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Research Article | DOI: https://doi.org/10.31579/2640-1053/243
1Department of physics with electronics, Federal University Birnin Kebbi, P.M.B. 1157.
2Department of Remedial Studies, Physics unit, Waziri Umaru Federal Polytechnic, P.M.B1034.
*Corresponding Author: Buhari Samaila, Department of physics with electronics, Federal University Birnin Kebbi, P.M.B. 1157.
Citation: Buhari Samaila, A.A Shehu, Buhari Maidamma, Aminu M. Bande, (2025), Contrast Media Effects and Radiation Dose Assessment in Contrast Enhanced Computed Tomography, J. Cancer Research and Cellular Therapeutics. 9(4); DOI:10.31579/2640-1053/243
Copyright: © 2025, Buhari Samaila. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Received: 23 June 2025 | Accepted: 30 June 2025 | Published: 07 July 2025
Keywords: computed tomography (CT); radiation dose optimization; contrast media; diagnostic reference levels; iterative reconstruction; patient safety
Modern CT imaging walks a fine line between diagnostic precision and patient safety. Recent research highlights how smarter scanning techniques can protect patients—especially vulnerable groups like children—from unnecessary radiation exposure while maintaining high-quality results. A comprehensive review of literature was conducted to identify studies related to contrast media effects and radiation dose assessment in CECT. Relevant data including Location, Type of research, Objective, Method, Findings, Conclusion, authors and year of publications were extracted, analyzed and reported. For young patients undergoing abdominal scans, radiation doses can carry concerning long-term risks. This has led to calls for stricter dose guidelines tailored to pediatric cases. Meanwhile, new reconstruction software allows radiologists to slash radiation and contrast dye amounts in chest and kidney scans without losing critical diagnostic details. Some cardiac CT protocols now use dual-scan methods that cut exposure while delivering equally clear images of heart defects. Innovative approaches are proving that less can indeed be more. By pairing advanced imaging algorithms with reduced contrast doses, clinics can now lower organ radiation exposure significantly while still getting the answers they need. The research also reveals an often-overlooked factor: the contrast dye itself can boost radiation absorption in sensitive organs like kidneys by startling amounts sometimes over 70% depending on scan timing. These findings point to a new era of precision in CT scanning. By adopting smarter protocols, embracing new technologies, and carefully timing contrast delivery, healthcare providers can continue delivering life-saving diagnoses while minimizing risks. The future of medical imaging lies in doing more with less less radiation, less contrast, and less uncertainty about patient safety.
In the realm of contemporary medicine, the utilization of contrast-enhanced computed tomography (CECT) has emerged as an indispensable and crucial diagnostic imaging technique, which is routinely employed in clinical practice. This method, which involves the administration of contrast agents, has revolutionized the field of radiology by providing a holistic and comprehensive understanding of both the anatomical and functional aspects of internal tissues and structures. The integration of contrast agents into the CECT procedure has heralded a paradigm shift in medical imaging, enabling healthcare professionals to glean invaluable insights into the pathophysiology of various diseases and conditions [37]. Particularly when compared to non-contrast scans, the utilization of contrast material in CT scans may lead to an escalation in radiation exposure. The objective of this systematic review of literature is to extensively examine the present body of research pertaining to the assessment of radiation dose in the context of CECT. Through the amalgamation of existing knowledge and evidence, this review endeavors to provide a nuanced comprehension of how CECT contributes to the cumulative radiation exposure of patients and the strategies employed to mitigate these hazards.
Radiation dose evaluation holds significant importance in the field of medical imaging, as it directly impacts the balance between benefits and risks associated with CECT examinations. This evaluation encompasses a comprehensive assessment, which involves the measurement of dose indices such as the computed tomography dose index (CTDI) and dose-length product (DLP), as well as the estimation of effective dose (ED). The latter estimation takes into consideration the varying sensitivity of different organs and tissues towards ionizing radiation, thereby providing a more comprehensive perspective on the risks associated with radiation [27,28]. Through a systematic and rigorous analysis of existing literature, this study aims to provide insights into various factors that influence radiation dose in CECT, including patient demographics, imaging protocols, and technological advancements. Furthermore, it will explore the evolving guidelines and strategies for dose optimization that have been implemented to ensure that CECT scans are conducted with the minimal radiation exposure possible while maintaining diagnostic efficacy.
This study aimed to review the previous works to assess the impacts of contrast media and radiation dose assessment. The outcome of this review will be a valuable resource for radiologists, medical physicists, and healthcare policymakers, as it synthesizes the latest evidence and best practices related to radiation dose assessment in CECT. By critically examining the current state of knowledge, this review seeks to contribute to the ongoing efforts to strike a balance between diagnostic accuracy and patient safety in the realm of contrast-enhanced computed tomography.
Literature Search Strategy
A comprehensive literature search was conducted to identify relevant articles and studies related to contrast-enhanced computed tomography (CECT) with a specific emphasis on the effects of contrast media and the assessment of radiation doses. The following databases were utilized: PubMed/MEDLINE, Google Scholar, Scopus, Web of Science, science direct, research gate and academia. The search strategy employed a combination of keywords, including "contrast-enhanced computed tomography," "contrast media," "radiation dose," "radiation exposure," "CT scan," and related terms. The search was limited to articles published in English, with no restrictions on publication date up to the knowledge cutoff date in July, 2024 (Samaila et al., 2022)
Search Flowchart
A flowchart detailing the search and selection process, including the number of articles retrieved, excluded, and included, was created to ensure transparency as shown below:
Figure 1: Flow chart diagram of the full literature screening process
Data Extraction and synthesis
Two independent reviewers conducted the initial screening of titles and abstracts to identify potentially relevant articles. In case of discrepancies, a third reviewer was consulted to reach a consensus. Full-text articles of the selected studies were then retrieved and assessed for eligibility. The extracted data were synthesized to provide an overview of the current knowledge regarding contrast media effects and radiation dose assessment in CECT. Findings were summarized in table 1 below (Samaila et al., 2023; Samaila and Rilwanu, 2023)
Ethical Considerations
Ethical considerations were taken into account to ensure that the literature review adhered to ethical standards for research and publication. Proper citation and referencing were ensured to give credit to the original authors of the studies included in the review.
The use of contrast media in CECT can increase image quality and enhance the visualization of certain structures or abnormalities. However, the use of contrast media can also lead to an increase in radiation dose to the patient. Studies have shown that the radiation dose delivered during CECT can vary depending on factors such as the type of contrast media used, the scanning protocol, and the patient's age. It is important to optimize the scanning parameters and establish diagnostic reference levels to minimize radiation risks. Additionally, the use of alternative contrast agents, such as gold nanoparticles, has shown promise in optimizing CT imaging by reducing radiation dose while enhancing image contrast. The table below summarized the findings from the literature.
| S/N | Location | Type of research | Objective | Method | Findings | Conclusion | References |
| 1 | Saudi Arabia | Infant and children radiation doses and cancer risks estimation during abdominal computed tomography (CT) | explores the infant and children radiation doses during computed tomography (CT) abdomen and estimates the cancer risk from the procedure using a total of 87 patients | - | The mean, standard deviation, and range of patients’ age (years) are 13 ± 4.5 (2–17). The mean and range of the air kerma length product (PKL(mGy.cm)) and volume CT air kerma index (Cvol (mGy)) were 1740 (157.8–8440.3) (mGy.cm) and 9.8 (2.09–45.77) (mGy) per CT abdomen procedure, respectively. The mean and range of the effective dose (mSv) per procedure are 34 (3.14–176.8). The average radiogenic risk per CT procedure is one cancer incidence per 250 CT-enhanced abdomen procedures. The mean and range of total irradiation even are 4.0 (2.0–8.0) times per procedure. | The results of this study showed that child risk is high compared to other CT examinations. Therefore, patients’ dose optimization and proper establishment of a diagnostic reference level (DRL) are necessary to preventing avoidable radiation risks.
| [37]
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| 2 | China | Investigation of the clinical value of adaptive statistical iterative reconstruction in reducing the iodixanol content and radiation dose during contrast-enhanced chest CT scan for patients diagnosed with lung masses/nodules based on the analysis of image quality | To investigate the clinical value of adaptive statistical iterative reconstruction in reducing the iodixanol content and radiation dose during contrast-enhanced chest CT scan for patients diagnosed with lung masses/nodules based on the analysis of image quality | SPSS version 22.0 (IBM SPSS Statistics for Windows, released in 2013, IBM Corp., Armonk, NY, USA) was used for statistical analysis And mathematical equations | The two groups obtained non-significantly different subjective scores for five structures detected in the lung window and five structures detected in the mediastinal window, as well as the overall image (P > 0.05 for all). Both the two-group images obtained diagnosis-acceptable scores (≥ 3 points) on displays of 10 structures and overall image quality. The mean CT value of vessels (100 kVp vs. 120 kVp: 314.90 ± 23.42 vs. 308.93 ± 21.40; P > 0.05), standard deviation (13.03 ± 0.88 vs. 12.83 ± 0.90; P > 0.05), and contrast-to-noise ratio (20.77 ± 2.20 vs. 20.36 ± 1.94; P > 0.05) were not significantly different between two groups. However, the CT dose index, dose-length product, effective dose, and total iodine dose were reduced by 27.58%, 36.65%, 36.59%, and 22.86% in the 100-kVp group compared to the 120-kVp group | The ASIR showed great potential in reducing the radiation dose and iodine contrast dose, while maintaining good image quality and providing strong confidence for the diagnosis of lung cancer | [16]
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| 3 | Australia | Comparison of radiation dose, contrast enhancement, image noise and heart rate variability in electrocardiography (ECG)-gated computed tomography (CT) ventricular volumetry using a three-dimensional (3D) threshold-based segmentation between the conventional single scan and dual-focused scan methods in patients with congenital heart disease | To compare radiation dose, contrast enhancement, image noise and heart rate variability in electrocardiography (ECG)-gated computed tomography (CT) ventricular volumetry using a three-dimensional (3D) threshold-based segmentation between the conventional single scan and dual-focused scan methods in patients with congenital heart disease | Gafchromic films (XR-CT2) | The fndings indicatd that Volume CT dose index, dose-length product, and effective dose estimates, in group 1 were significantly higher than those in group 2 (28.4 ± 24.6 mGy vs. 9.7 ± 4.5 mGy, 636.5 ± 572.9 mGy cm vs. 379.5 ± 192.4 mGy cm, 8.9 ± 8.0 mSv vs. 5.3 ± 2.7 mSv, 8.2 ± 6.4 mSv vs. 5.0 ± 2.2 mSv, respectively; p values 0.05). Image noise measured in the air showed no significant differences between groups 1 and 2 (5.6 ± 1.9 HU vs. 5.5 ± 1.1 HU; p > 0.05). The proportion of heart rate variability ≥ 20 beats per minute in group 1 (15.6 %, 5/32) was significantly higher than that in group 2 (3.1 %). | Compared with the conventional single scan method, the dual focused scan method can provide a lower radiation dose with comparable contrast enhancement and image noise for ECG-gated CT ventricular volumetry using a 3D threshold-based segmentation in patients with congenital heart disease.
| (Geso et al., 2020)
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| 4 | USA | Radiation dose reduction while preserving observer performance and CT number at multi-phase dual energy (DE) renal CT | to determine if Prior iterative reconstruction (PIR) could reduce radiation dose while preserving observer performance and CT number at multi-phase dual energy (DE) renal CT | Validated noise insertion and PIR | Twenty-three patients had 49 renal lesions (11 solid renal neoplasms). CT number was nearly identical between techniques (mean CT number difference: unenhanced 2 ± 2 HU; enhanced 4 ± 4 HU). AUC for malignancy was similar between multi-phase routine dose DE and lower dose PIR images [per patient: 0.950 vs. 0.916 (p = 0.356); per lesion: 0.931 vs. 0.884 (p = 0.304)]. Per patient sensitivity was also similar (78% routine dose vs. 82% lower dose [p ≥ 0.99]), as was specificity (91% routine dose vs. 93% lower dose PIR [p > 0.99]), with similar findings on a per lesion level. Subjective image quality was also similar (p = 0.34) | Prior iterative reconstruction is a new reconstruction method for multi-phase CT examinations that promises to facilitate radiation dose reduction by over 50% for multi-phase DE renal CT exams without compromising CT number or observer performance.
| (Navin et al., 2019)
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| 5 | Japan
| Decreasing the radiation dose for contrast-enhanced abdominal spectral CT with a half contrast dose: a matched-pair comparison with a 120 kVp | To compare the estimated radiation dose of 50% reduced iodine contrast medium (halfCM) for virtual monochromatic images (VMIs) with that of standard CM (stdCM) with a 120 kVp imaging protocol for contrast-enhanced CT (CECT).
| Welch’s t-test and Monte-Carlo simulation tool (ImpactMC; VAMP GmbH, Erlangen, Germany) was used to simulate the radiation dose delivered to each patient for NECT and CECT | For the arterial phase, the mean organ doses normalized to CTDIvol for stdCM and halfCM were 1.22 and 1.29 for the liver, 1.50 and 1.35 for the spleen, 1.75 and 1.51 for the pancreas, and 1.89 and 1.53 for the kidneys. As compared with non-enhanced CT, the average increase in the organ dose was significantly lower for halfCM (13.8% ± 14.3 and 26.7% ± 16.7) than for stdCM (31.0% ± 14.3 and 38.5% ± 14.8) during the hepatic arterial and portal venous phases (p < 0> | As compared with stdCM with the 120 kVp imaging protocol, a 50% reduction in CM with VMIs with the 55 keV protocol allowed for a substantial reduction of the average organ dose of iodine CM while maintaining the iodine CT number for CECT.
| (Sakabe et al., 2020) |
| 6 | China | Comparison of Application Value of Different Radiation Dose Evaluation Methods in Evaluating Radiation Dose of Adult Thoracic and Abdominal CT scan | To explore the differences among volumetric CT dose index (CTDIvol), body-specific dose assessment (SSDEED) based on effective diameter (ED), and SSDEWED based on water equivalent diameter (WED) in evaluating the radiation dose of adult thoracic and abdominal CT scanning. | workstation measurement software and SPSS22.0 software was used | The AP, LAT, ED, and WED of groups B, E, C, and F were higher than those of groups A and D, and those of groups C and F were higher than those of groups B and E (P < 0> | In Conclusion ,CTDIvol and ED-based SSDEED underestimated the radiation dose of the subject exposed, where the patient was actually exposed to a greater dose. However, SSDEWED based on WED considers better the difference in patient size and attenuation characteristics, and can more accurately evaluate the radiation dose received by patients of different sizes during the chest and abdomen CT scan.
| (He et al., 2022) |
| 7 | Iran | The effect of contrast material on radiation dose during computed tomography pulmonary angiography | To evaluate the impact of contrast material on radiation dose for adults undergoing computed tomography pulmonary angiography (CTPA) | Physiologically based pharmacokinetic (PBPK) model and Monte Carlo N-Particle extended code (MCNPX) version 2.6.0. were used | It was shown that the estimated radiation dose to the lungs could be 31–40% (27–34%) larger when considering the effect of iodinated contrast administration with injection rate of 5 (3) mL/s. Moreover, the effective dose for contrast-enhanced CT (CECT) would be utmost 10–13% larger than that for non-enhanced CT (NECT). The radiation doses to the other organs in-/outside the scanned region would be decreased if the scan performed on time. In case of late scanning, absorbed dose decreases slightly for lungs (∼15–20%) whereas becomes (∼10% or more) higher than its NECT value for some organs such as heart muscle, kidneys, and spleen. | To sum up, the late scanning (Δ t > 5 s after the end of injection) is not recommended because of higher dose delivered to other organs than the lungs (particularly heart muscle).
| (Karami et al., 2020)
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| 8 | Durham | The Effect of Contrast Material on Radiation Dose at CT: Part I. Incorporation of Contrast Material Dynamics in Anthropomorphic Phantoms | to develop a method to calculate the relative dose increase when a computerized tomography scan (CT) is carried out after administration of iodinated contrast medium, with respect to the same CT scan in absence of contrast medium. | Pharmacokinetic Model | The data shown for the three patients exhibit an average relative dose increase between 22% for liver and 74% for kidneys; also, spleen (34%), pancreas (28%), and thyroid (48%) show a remarkable average increase | The method developed allows a simple evaluation of the dose increase when iodinated contrast medium is used in CT scans, basing on the increment in Hounsfield units observed on the patients’ organs. Since many clinical protocols employ multiple scans at different circulatory phases after administration of contrast medium, such a method can be useful to evaluate the total dose to the patient, also in view of potential clinical protocol optimizations. | (Sahbaee, Segars, et al., 2017)
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| 9 | Investigatio of the effect of iodine uptake on tissue/organ absorbed doses from CT exposure and its implications in CT dosimetry | To investigate the effect of iodine uptake on tissue/organ absorbed doses from CT exposure and its implications in CT dosimetry | Monte Carlo methods | The mean iodine uptake range during contrast-enhanced CT imaging was found to be 0.02-0.46% w/w for the investigated tissues, while the maximum value recorded was 0.82% w/w. For the same CT exposure, iodinated tissues were found to receive higher radiation dose than non-iodinated tissues, with dose increase exceeding 100% for tissues with high iodine uptake. Administration of iodinated contrast medium considerably increases radiation dose to tissues from CT exposure | Radiation absorption ability of organs/tissues is considerably affected by iodine uptake • Iodinated organ/tissues may absorb up to 100 % higher radiation dose • Compared to non-enhanced, contrast-enhanced CT may deliver higher dose to patient tissues • CT dosimetry of contrast-enhanced CT imaging should encounter tissue iodine uptake | (Perisinakis et al., 2018) | |
| 10 | Massachusetts | Reducing Radiation Dose and Contrast Medium Volume With Application of Dual-Energy CT in Children and Young Adults | to assess if dual-source dual-energy CT (DS-DECT) can be used with lower radiation doses and contrast material volumes than single-energy CT (SECT) in children and young adults | The descriptive statistical analysis was performed in Excel (version 2016, Microsoft) and CARE Dose 4D [Siemens Healthineers] | Mean patient ages and weights ± SD in DS-DECT (10 ± 6 years old, 38 ± 23 kg) and SECT (11 ± 7 years old, 43 ± 29 kg) groups were not significantly different (p > 0.05). Respective SSDEs for chest DS-DECT (4.0 ± 2.1 mGy), chest SECT (6.1 ± 4.4 mGy), abdomen-pelvis DS-DECT (5.0 ± 5.0 mGy), and abdomen-pelvis SECT (8.3 ± 4.0 mGy) were significantly different (p = 0.003-0.005). Contrast material volume for DS-DECT examinations was 19-22% lower compared with the weight- and body region-matched scans obtained with SECT. Image quality of DECT was acceptable in all patients | In children and young adults, chest and abdomen-pelvis DS-DECT enables substantial radiation dose and contrast volume reductions compared with weight- and region-matched SECT. | (Tabari et al., 2020) |
| 11 | Comparison of radiation dose and image quality of DECT and SECT abdominopelvic examinations in children as a function of patient size | To compare radiation dose and image quality of DECT and SECT abdominopelvic examinations in children as a function of patient size | DECT SSDEs were lower across all effective patient diameters compared with SECT (mean: 8.5±1.8 mGv vs. 9.3±2.0 mGv, respectively, P≤0.001). DECT CTDIvol was lower compared to SECT (mean: 5.6±2.4 mGv vs. 6.1±2.7 mGv, respectively, P≤0.001) except in the smallest diameter group ( 0.05). | In children, regardless of effective diameter, contrast-enhanced abdominopelvic DECT can be performed with a similar or lower dose and similar image quality compared with SECT examinations. | Marilyn et al (2021)
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| 12 | US | Contribution of dose increase from iodine to biological effect | To establish the contribution of dose, increase from iodine to biological effect. | Phantom and simulated CT system | The presence of iodinated-contrast in CT increased the organ doses by 2% to 50% on average. Typical values were heart (50%±7%), kidney (19%±7%), and liver (2%±3%). The corresponding increase in the average foci per cell was 107%±19%, indicating biological effect of iodine was greater than what would be anticipated from the iodine-initiated increase in radiation dose alone. | Mean foci per cell and organ dose both increase in the presence of a contrast agent. The former, however, is at least twice as large as the latter, indicating that iodine contributes to an increase in the probability of DNA damage not only as a consequence of increased x-ray energy deposition but also from other mechanisms. Hence iodine radiation dose, while relevant to be included in estimating the risk associated with contrast-enhanced CT, still can underestimate the biological effects. | (Abadi et al., 2016)
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| 13 | Norway | Impact of iodine concentration and scan parameters on image quality, contrast enhancement, and radiation dose in Thoracic CT | To investigate the impact of varying contrast medium (De Farias et al.) densities and x-ray tube potentials on contrast enhancement (CE), image quality, and radiation dose in thoracic computed tomography (CT) using two different scanning techniques | Analysis was performed using SPSS Version 26 (IBM Inc, Armonk, NY, USA) | A constant volume CT dose index (CTDIvol) depending on phantom size and automatic dose modulation was tested. CE (HU) and image quality (contrast-to-noise ratio, CNR) were measured for all combinations of CM density and tube potential. A reference threshold of CE and kVp was defined as ≥ 200 HU and 120 kVp. For the medium-sized phantom, with a specific CE of 100–600 HU, the diagnostic CE (200 HU) at 70 kVp was ~ 90% higher than at 120 kVp, for both scan techniques (p < 0> | For thoracic CT, diagnostic CE (≥ 200 HU) and maintained CNR was achieved by using lower CM density in combination with lower tube potential (< 120>
| (Solbak et al., 2020) |
| 14 | Thailand | Impact of iodinated contrast media concentration on image quality for dual-energy CT and single-energy CT with low tube voltage settings
| To investigate the impact of low tube voltage settings on single-energy computed tomography (SECT) and rapid kV switching dual-energy CT (DECT) with reduced concentrations of iodinated CM | ATCM systems with different noise index (NI) settings were set, and the images were reconstructed using ASiR-V | Tube voltage settings of 70 kVp together with a 40% reduction in the iodinated CM are suitable for the small phantom size, while those of 80 kVp and 20% reduction are suitable for the medium and large sizes. This allows radiation doses to be reduced by 12%–30%. Values of CNR and contrast for DECT are better than those for SECT with the same NI setting. | Diagnostic reference of image quality can be maintained by using SECT with lower tube voltage and DECT with reductions of iodinated CM concentration and radiation dose. Therefore, the NI setting can be increased when DECT is used to achieve a similar image quality. | (Sookpeng and Martin, 2023) |
| 15 | Investigations of CT Dose with Contrast Agent and Its Effects on the CTDI | to utilize the effects of the contrast media “CM” used in computed tomography “CT” which is used to enhance subject contrast on the delivered CT via its inclusion into the CT dose index “CTDI”, and to introduce a simple method to determine this effect via the available CT numbers at the imaged targets | Measured dose effects due to the inclusion of the CM varied depending on the concentration. The increase in dose is estimated to be about 17% for 20% contrast media in the target while that for 10% by volume is around 6.6%. These are estimated from the CT numbers. Patients’ data also shows the influence of the CM on the CTDI values. | The dosimetric effects of the contrast media are included in the CTDI and can be estimated by using the CT numbers obtained.
| Geso et al (2020)
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| 16 | Kingdom of Bahrain | to establish national diagnostic reference levels (NDRLs) for computed tomography (CT) examinations performed on adult patients based on clinical indications, patient gender, and size in the Kingdom of Bahrain | The NDRLs were calculated for each clinical indication as the third quartile of the CT scanners’ median values of CTDIvol and DLP. They were also calculated based on the patient's gender (for the head) and their size (for the abdomen-pelvis and CAP clinical indications). From 1665 CT examinations, the NDRLs in terms of CTDIvol were 67, 66, 67, 13, 14, 17, 19, and 15 mGy for symptoms of headache, trauma, stroke, flank pain, renal colic, abdominal pain, diverticulitis/appendicitis and oncologic follow-up, respectively. Likewise, these were 1206, 1286, 1152, 690, 779, 972, 1061, and 1073 mGy cm in terms of DLP, respectively. For large-size patients, NDRLs in terms of CTDIvol were on average 1.7 times higher than those from medium size patients for all the clinical indications in the abdomen-pelvis and CAP regions. | The NDRLs were established for the most common clinical indications in the Kingdom of Bahrain. They are higher than those established in the literature, thus emphasizing the urgent need for an optimization strategy for better patient radiation protection.
| (Hasan et al., 2022) | ||
| 17 | Germany | How low can we go in contrast-enhanced CT imaging of the chest? A dose-finding cadaver study using the model-based iterative image reconstruction approach | To study dose-finding cadavers using a model-based iterative image reconstruction approach | Statistical analysis, the intraclass correlation coefficient (ICC), and the Wilcoxon test were used. | Results Mean CT dose index values (mGy) were as follows: D0/FDBR = 10.1 ± 1.7, D1 = 6.2 ± 2.8, D2 = 5.7 ± 2.7, D3 = 3.5 ± 1.9, D4 = 1.8 ± 1.0, and D5 = 0.9 ± 0.5. Mean IQ ratings were as follows: D0 = +1.8 ± 0.2, D1 = +1.5 ± 0.3, D2 = +1.1 ± 0.3, D3 = +0.7 ± 0.5, D4 = +0.1 ± 0.5, and D5 = −1.2 ± 0.5. All values demonstrated a significant difference in baseline | Compared to ASIR, MBIR allowed for a significant dose reduction of 82% without impairment of IQ. This resulted in a calculated mean effective dose below 1 mSv. | (Mueck et al., 2015)
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| 18 | Sudan | Survey of Patients Radiation Doses in Computed Tomography Chest Imaging: Proposal of Diagnostic Reference Level.
| To evaluate patient doses during chest CT procedures in a certain radiological hospital to establish a local diagnostic reference level (DRL). | The data was analyzed using the Statistical Package for the Social Sciences (SPSS) version. 16.0 Chicago, Illinois, USA, SPSS Inc.). Descriptive statistics, Bivariate statistics ( t-test, ANOVA). DLP (mGy.cm) and CTDIvol (mGy) were analyzed to obtain the third quartile value as a reference value for DRL for each hospital and the overall average | A total of 78 CT chest procedures were performed during one year. The range of patient dose per CT procedure was 126.0 mGy.cm to 1104.0 mGy.cm per chest procedure. The CTDIvol ranged between 3.0 mGy to 20 mGy per procedure. | Patient dose variation attributed to CT modality and image acquisition protocol. Patients were exposed to a higher radiation dose in 64 slices compared to the other two modalities due to the use of sequential technique at the latter one. A diagnostic reference level was proposed for chest CT procedures. | (Elnour et al., 2015) |
| 19 | Ghana | Radiation dose reduction without degrading image quality during computed tomography examinations: Dosimetry and quality control study | To reduce Radiation dose without degrading image quality during computed tomography | Computed Tomography Dose Index (CTDI) phantoms, RTI barracuda system with electrometer, and CT dose Profiler detector | Doses to patients using the default head sequence protocol had an average CTDI vol value of 65.45 mGy and a range of 7.10-16.80 mGy for thorax, abdomen, and pelvis examinations while the new protocol had an average CTDI vol of 58.32 mGy for the head and a range of 3.83-15.24 mGy for the truck region. The DLP value for default head scans decreased from an average of 2279.85 mGy.cm to 874.53 mGy.cm with the new protocol. Tube potentials (KV) and tube current-time (mAs) had an effect on spatial resolution and low contrast detectability as well as doses. | From the new protocols, lower values of KV and mAs together with other factors were enough to produce an acceptable level of image quality which leads to adequate diagnosis without unnecessary doses to patients. | (Acquah et al., 2014)
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| 20 | Italy | Balancing Radiation and Contrast Media Dose in Single-Pass Abdominal Multidetector CT: Prospective Evaluation of Image Quality | To balance Radiation and Contrast Media Dose in Single-Pass Abdominal Multidetector CT: Prospective Evaluation of Image Quality | Workstation (OsiriX Imaging Software, Geneva, Switzerland) with standard window settings (Window Width = 400 Hounsfield units [HU]; Window Level = 50 HU) and Tukey honest significant difference test for multiple comparisons. | Although peak hepatic enhancement was 152 ± 16, 128 ± 12, and 101 ± 14 Hounsfield units (P < .001) for groups A, B, and C, respectively, no significant differences were observed in the corresponding SNRL with 9.2 ± 1.4, 9.1 ± 1.2, and 9.2 ± 3. Radiation (mGy × cm) and contrast media dose administered were 476 ± 147 and 155 ± 27 for group A, 926 ± 291 and 130 ± 16 for group B, and 1981 ± 451 and 106 ± 15 for group C, respectively (P < .001). None of the studies was graded as poor or inadequate by both readers, and the prevalence-adjusted bias-adjusted kappa ranged between 0.48 and 0.93 for all but one criteria. | A constant image quality in CE-MDCT can be obtained by balancing radiation and contrast media doses administered to patients of different age. | (Camera et al., 2015)
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| 21 | North Carolina | The Effect of Contrast Material on Radiation Dose at CT: Part II. A Systematic Evaluation across 58 Patient Models
| To estimate the radiation dose as a result of contrast medium administration in a typical abdominal computed tomographic (CT) examination across a library of contrast material–enhanced computational patient models. | Monte Carlo simulation software | The results from the patient models subjected to the injection protocol indicated up to a total of 53%, 30%, 35%, 54%, 27%, 18%, 17%, and 24% increase in radiation dose delivered to the heart, spleen, liver, kidneys, stomach, colon, small intestine, and pancreas, respectively. The biologically relevant dose increase concerning the dose at an unenhanced CT examination was in the range of 0%–18% increase for the liver and 27% for the kidney across 58 patient models. | The administration of contrast medium increases the total radiation dose. However, radiation dose, while relevant to be included in estimating the risk associated with contrast-enhanced CT, may still not fully characterize the total biological effects. Therefore, given the fact that many CT diagnostic decisions would be impossible without the use of iodine, this study suggests the need to consider the effect of iodinated contrast material on the organ doses of patients undergoing CT studies when designing CT protocols. | (Sahbaee, Abadi, et al., 2017) |
| 22 | Mexico | A prospective evaluation of the contrast, radiation dose, and image quality of contrast-enhanced CT scans of pediatric abdomens using a low-concentration iodinated contrast agent and low tube voltage combined with a 70% ASIR algorithm | To quantitatively and subjectively assess the image quality of and radiation dose for an abdominal enhanced computed tomography (CT) scan with a low tube voltage and a low concentration of iodinated contrast agent in children | 5-point scale, paired t-tests, Mann-Whitney U tests, and mathematical modeling were used
| There was no significant difference in age, weight, or body mass index (BMI) between the two groups (all P>.5). The iodine load in Group A (5517.3±3197.2 mg I) was 37% lower than that in Group B (8772.1±8474.6 mg I), although there was no significant difference between them (P=.111). The DLP and the CT dose index (CTDIvol) for Group A were also lower than for Group B, but were not statistically significantly different (DLP, 104 mGy-cm±45.81 vs 224.5 mGy-cm±45.83; CTDIvol, 1.44 mGy±0.50 vs 2.08 mGy±1.87, all P>.05). The mean arterial and portal venous enhancement (255.33 HU±83.42, 146.41 HU±23.45, respectively), noise (AP 14.96 HU±2.09, PVP 16.30 HU±3.21), CNRs (AO 14.54±7.12, PV 5.07±1.73) and SNRs (AO 20.76±6.76, PV 12.43±3.24) for Group A were similar to Group B (enhancement: 226.55 HU±77.71, 138.69 HU±33.22; noise: 14.92 HU±3.12, 15.36 HU±3.48; CNRs: 12.96±7.14, 5.16±2.28; SNRs: 19.13±7.30, 12.69±4.22; all P>.05). The mean scores of the quality of the AP and PVP images in Group B were 4.31±0.53 and 4.35±0.52, respectively, while the scores obtained in Group A were 4.29±0.51 and 4.25±0.51; there were no statistically significant differences between the two groups. | The scanning protocol using a low tube voltage (80 kV) together with 70% ASIR and a low-concentration iodinated contrast agent (270 mg I/mL) enables a 37% reduction in iodine load and a 30% reduction in radiation dose while maintaining compatible image quality.
| (Wang et al., 2016)
|
| 23 | India | Effect of Iodinated Contrast Media on Serum Electrolyte Concentrations in Patients Undergoing Routine Contrast Computed Tomography Scan Procedure | To evaluate the changes in serum electrolyte concentrations with intravenous iodinated contrast media administration in the adult population and to correlate the changes in electrolyte concentrations, if any, with the demographic profile of the patients. | Eschweiler Combiline analyzer based on ion-selective electrode principle | The mean age of the study population in our study was 40.11 ± 20.51 years. We found that changes in serum sodium and chloride concentration after administration of contrast media are significant (sodium: 136.29 ± 3.53 vs. 132.49 ± 6.36 mmol/L and chloride: 100.03 ± 0.70 vs. 97.53 ± 0.70 mmol/L). Sodium concentration shows more decrease in females compared to males after administration of iodine contrast. The most probable reason for this decrease in serum electrolytes was secondary changes to hemodilution due to the high osmolality of the contrast. | Attending physicians must be alert for such possibilities of changes in electrolytes after contrast administration and be prepared to treat any adversity if one occurs.
| (Sankaran et al., 2019)
|
| 24 | Russia | The role of atorvastatin in the frequency of contrast-induced acute kidney injury (CI-AKI) in patients with cardiovascular diseases (CVD) undergoing computed tomography (CT) with intravenous contrast media | To assess the role of atorvastatin in the frequency of contrast-induced acute kidney injury (CI-AKI) in patients with cardiovascular diseases (CVD) undergoing computed tomography (CT) with intravenous contrast media | Statistical analysis was used. | CI-AKI was diagnosed in 4 (3.96%) patients. At the same time, it was not possible to establish statistically significant relationships (p0.05) between risk factors and the development of CI-AKI. Statins can be a successful way to prevent this complication. | Cardiovascular diseases may increase the risk of CI-AKI after computed tomography with intravenous contrast media administration. Therefore, it is recommended to evaluate the serum creatinine concentration in such patients
| (Vasin et al., 2022) |
| 25 | Khon Kaen | Adverse Reactions from Contrast Media in Patients Undergone Computed Tomography at the Department of Radiology, Srinagarind Hospital | To study the profile of adverse reactions to iodinated contrast media | Naranjo’s algorithm and adverse reactions questionnaire | A total of 105 cases (9.5%) reported adverse reactions (57% male; 43 |
|
Table 1: An overview literature finding
Contrast Media Injection Protocol in Computed tomography
Contrast media injection protocols in computed tomography (CT) have been evaluated in several studies. One study compared different injection durations and iodine concentrations for step-and-shoot coronary CT angiography (CCTA) and found that a bodyweight-adjusted iodinated contrast media (ICM) with a 13-second injection duration and a 350 mgI/mL iodine concentration yielded improved image quality. Another study evaluated low kV multiphase abdominal CT imaging and found that adapted injection protocols with reduced iodine load offer the potential for patient-individualized contrast media adaption. A study on contrast-enhanced 4D-CT scans for thoracic tumors found that varying the flow rate and delay time with minimal contrast agent usage can provide qualitatively acceptable enhancement. In terms of hepatic enhancement, a study compared fixed contrast media injection durations and rates and found that a fixed duration protocol yielded greater magnitude and inter-patient variability in hepatic enhancement compared to a fixed rate protocol. Lastly, a study compared a body-weight-based protocol to a semi-fixed protocol and found that the body-weight-based protocol increased interpatient uniformity of liver attenuation while maintaining good subjective image quality. Costa and Peet (2021) assessed whether a fixed contrast media injection duration improves the magnitude and inter-patient variability in hepatic enhancement over a fixed injection rate. Outpatients who underwent portovenous phase abdominal CT (fixed duration, February–November 2018; fixed rate, January–July 2020) with 1.22 mL/kg iohexol 350 were included. Subjects with liver, kidney or heart disease were excluded. The number of subjects and injection protocols were as follows: fixed duration arm, 56 women, 60 men, 35 s injection duration; fixed rate arm, 66 women, 62 men, 3 mL/s injection rate. Liver attenuation measurements were obtained from regions of interest on pre- and post-contrast images. Mean hepatic enhancement (MHE) and MHE normalized to iodine dose (MHE/I) were compared (unpaired t-tests and F-tests). There was no statistically significant difference in age, weight, body mass index or CM dosing (p > 0.05). Enhancement indices were significantly lower in the fixed rate group as compared to the fixed duration group, as follows: MHE, 50.0 ± 12 vs. 54.8 ± 11 HU (p = 0.001); and MHE/I, 1.53 ± 0.43 vs. 1.66 ± 0.51 HU/g, (p = 0.04). However, there was no significant difference in the variances of MHE (p = 0.51) and MHE/I (p = 0.08). A fixed CM injection duration yields a greater magnitude in hepatic enhancement indices than a fixed injection rate. Inter-patient variability in hepatic enhancement indices do not significantly differ between the two injection protocols. In a similar study conducted by Sakabe et al. (2020) regarding the standard Contrast Media (stdCM) protocol, 600 mgI/kg of CM (Omnipaque 300; Daiichi-Sankyo, Tokyo, Japan or Iomeron 300; Eisai Co., Ltd., Tokyo, Japan; or Iopamiron 370; Bayer Healthcare, Osaka, Japan) was delivered within 33.0 s followed by 30 ml of saline solution. CECTa and CECTp were started at 35 and 80 s after CM injection, respectively. We also delivered a 50% reduced iodinated CM dose of 300 mgI/kg in the halfCM protocol within 33.0 s followed by 30 ml of saline solution. CECTa and CE CTp were started at 37 and 80 s after CM injection, respectively. Regarding CECTa, the scan start time for the half CM protocol was 2.0 s later than that for the stdCM protocol due to the slower half injection rate.Matsumoto et al. (2019)compared enhancement of the aorta and liver on hepatic dynamic computed tomography scans acquired with contrast material doses based on the lean body weight (LBW) or the total body weight (TBW). The patients were randomly divided 529 patients (279 men, 250 women; median age, 66 years) scheduled for hepatic dynamic computed tomography into 2 groups. The LBW patients (n = 278) were injected with 679 mg iodine/kg (men) or 762 mg iodine/kg (women). The TBW group (n = 251) was injected with 600 mg iodine/kg TBW. Each group was subdivided into the 3 classes based on the body mass index (BMI; low, normal, high). Aortic enhancement during the hepatic arterial phase and hepatic enhancement during the portal venous phase was compared. The aortic and hepatic equivalence margins were 100 and 20 Hounsfield units, respectively. Comparison of the median iodine dose in patients with a normal or high BMI showed that it was significantly lower under the LBW protocol than the TBW protocol (558.2 and 507.0 mg iodine/kg, P < 0>
Effects of contrast media in computed tomography procedures
Contrast media used in computed tomography (CT) can have various effects. Swelling of the salivary glands, known as iodide mumps, is a rare but benign adverse reaction to iodine-containing contrast media. Contrast-induced nephropathy (CIN) is a serious adverse effect, but it can be reduced by using low osmolality contrast media and ensuring good hydration before and after contrast administration (Yu et al., 2021). The choice of iodide contrast media components can also affect the incidence of adverse reactions, with iopromide and iomeprol associated with higher incidences of severe reactions. Iodinated contrast media can cause changes in serum electrolyte concentrations, particularly sodium and chloride, due to fluid shifts and hemodilution. Atorvastatin may be effective in preventing contrast-induced acute kidney injury (CI-AKI) in patients with cardiovascular diseases undergoing CT with contrast media administration. The previous findings highlight the importance of careful consideration and monitoring of patients receiving contrast media during CT procedures (Kim et al., 2017). Yu et al. (2021) found that the use of iopromide and iomeprol in iodide contrast media resulted in a higher incidence of death and threat of life resulting from adverse reactions than other ingredients. Patients who are administered iodide contrast media containing iopromide and iomeprol during the computed tomography test should be carefully examined by the relevant medical professional, as the significance of gender and age varies from component to component. As multiple iodide contrast agents are available, the use of an appropriate iodide contrast media will reduce the incidence of iodide contrast media adverse reactions. In research of Sankaran et al. (2019) carried out with objectives of evaluating the changes in serum electrolyte concentrations with intravenous iodinated contrast media administration in adult population and to correlate the changes in electrolyte concentrations, if any, with the demographic profile of the patients. About 103 numbers of adult patient samples over a period of 2 months by collecting blood both before administration of contrast and after 24 h of the contrast-enhanced computed tomography scan procedure were analyzed. Serum concentrations of sodium, potassium, chloride, and ionized calcium were measured using Eschweiler Combiline analyzer based on ion-selective electrode principle. Results: The mean age of the study population in our study was 40.11 ± 20.51 years. They found that changes in serum sodium and chloride concentration after administration of contrast media are significant (sodium: 136.29 ± 3.53 vs. 132.49 ± 6.36 mmol/L and chloride: 100.03 ± 0.70 vs. 97.53 ± 0.70 mmol/L). Sodium concentration shows more decrease in females compared to males after administration of iodine contrast. The most probable reason for this decrease in serum electrolytes was secondary changes to hemodilution due to high osmolality of the contrast. Conclusions: Attending physicians must be alert for such possibilities of changes in electrolytes after contrast administration and be prepared to treat any adversity if one occurs.
Vasin et al. (2022) assessed the role of atorvastatin to the frequency of contrast-induced acute kidney injury (CI-AKI) in patients with cardiovascular diseases (CVD) undergoing computed tomography (CT) with intravenous contrast media. One hundred patients with CVD undergoing CT with intravenous contrast media administration were included in prospective observational study. Patients were divided into 3 groups 16 (15.8%) patients receiving atorvastatin at a dose of 80 mg 24 hours and 40 mg before the CT and 40 mg after; 33 (32.7%) patients 40 mg before the CT and 40 mg after; 52 (51.5%) people not receiving statin therapy. The primary endpoint was CI-AKI according to KDIGO criteria: the 25% rise (or 0.5 mg/dl) of serum creatinine from baseline assessed 4872 hours after administration of contrast media. There were 51% of men. The average age was 59.7714.4. The most frequent cardiovascular disease was hypertension 86%. RESULTS CI-AKI was diagnosed in 4 (3.96%) patients. At the same time, it was not possible to establish statistically significant relationships (p0.05) between risk factors and the development of CI-AKI. Statins can be a successful way to prevent this complication. CONCLUSION Cardiovascular diseases may increase the risk of CI-AKI after computed tomography with intravenous contrast media administration. Therefore, it is recommended to evaluate the serum creatinine concentration in such patients. Similarly, Suecharoen and Kanpittaya (2017) studied adverse reactions (causes and severity) to iodinated contrast media at Srinagarind Hospital between March and July, 2015, 1,101 patients from the Department of Radiology. The patients were classified per Naranjo’s algorithm and through use of an adverse reactions’ questionnaire. A total of 105 cases (9.5%) reported adverse reactions (57% male; 43
Contrast-enhanced computed tomography (CECT) is a valuable imaging modality that provides detailed anatomical information for diagnosis and management of medical conditions [1]. However, it is important to recognize and mitigate the potential risks associated with contrast media administration and radiation exposure. Understanding the effects of contrast media on patients, including allergic reactions, renal impairment, and nephrogenic systemic fibrosis in at-risk populations, is crucial. Optimizing imaging protocols to minimize radiation dose while maintaining diagnostic accuracy is necessary. By carefully balancing the benefits and risks of CECT, healthcare providers can make informed decisions, ensuring patient safety and high-quality care. Continued research and advancements in imaging technology are essential for refining contrast administration protocols and reducing radiation exposure, ultimately improving patient outcomes in diagnostic radiology.
Clearly Auctoresonline and particularly Psychology and Mental Health Care Journal is dedicated to improving health care services for individuals and populations. The editorial boards' ability to efficiently recognize and share the global importance of health literacy with a variety of stakeholders. Auctoresonline publishing platform can be used to facilitate of optimal client-based services and should be added to health care professionals' repertoire of evidence-based health care resources.
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To Dear Erin Aust, I would like to express my heartfelt appreciation for the opportunity to have my work published in this esteemed journal. The entire publication process was smooth and well-organized, and I am extremely satisfied with the final result. The Editorial Team demonstrated the utmost professionalism, providing prompt and insightful feedback throughout the review process. Their clear communication and constructive suggestions were invaluable in enhancing my manuscript, and their meticulous attention to detail and dedication to quality are truly commendable. Additionally, the support from the Editorial Office was exceptional. From the initial submission to the final publication, I was guided through every step of the process with great care and professionalism. The team's responsiveness and assistance made the entire experience both easy and stress-free. I am also deeply impressed by the quality and reputation of the journal. It is an honor to have my research featured in such a respected publication, and I am confident that it will make a meaningful contribution to the field.
"I am grateful for the opportunity of contributing to [International Journal of Clinical Case Reports and Reviews] and for the rigorous review process that enhances the quality of research published in your esteemed journal. I sincerely appreciate the time and effort of your team who have dedicatedly helped me in improvising changes and modifying my manuscript. The insightful comments and constructive feedback provided have been invaluable in refining and strengthening my work".
I thank the ‘Journal of Clinical Research and Reports’ for accepting this article for publication. This is a rigorously peer reviewed journal which is on all major global scientific data bases. I note the review process was prompt, thorough and professionally critical. It gave us an insight into a number of important scientific/statistical issues. The review prompted us to review the relevant literature again and look at the limitations of the study. The peer reviewers were open, clear in the instructions and the editorial team was very prompt in their communication. This journal certainly publishes quality research articles. I would recommend the journal for any future publications.
Dear Jessica Magne, with gratitude for the joint work. Fast process of receiving and processing the submitted scientific materials in “Clinical Cardiology and Cardiovascular Interventions”. High level of competence of the editors with clear and correct recommendations and ideas for enriching the article.
We found the peer review process quick and positive in its input. The support from the editorial officer has been very agile, always with the intention of improving the article and taking into account our subsequent corrections.
My article, titled 'No Way Out of the Smartphone Epidemic Without Considering the Insights of Brain Research,' has been republished in the International Journal of Clinical Case Reports and Reviews. The review process was seamless and professional, with the editors being both friendly and supportive. I am deeply grateful for their efforts.
To Dear Erin Aust – Editorial Coordinator of Journal of General Medicine and Clinical Practice! I declare that I am absolutely satisfied with your work carried out with great competence in following the manuscript during the various stages from its receipt, during the revision process to the final acceptance for publication. Thank Prof. Elvira Farina
Dear Jessica, and the super professional team of the ‘Clinical Cardiology and Cardiovascular Interventions’ I am sincerely grateful to the coordinated work of the journal team for the no problem with the submission of my manuscript: “Cardiometabolic Disorders in A Pregnant Woman with Severe Preeclampsia on the Background of Morbid Obesity (Case Report).” The review process by 5 experts was fast, and the comments were professional, which made it more specific and academic, and the process of publication and presentation of the article was excellent. I recommend that my colleagues publish articles in this journal, and I am interested in further scientific cooperation. Sincerely and best wishes, Dr. Oleg Golyanovskiy.
Dear Ashley Rosa, Editorial Coordinator of the journal - Psychology and Mental Health Care. " The process of obtaining publication of my article in the Psychology and Mental Health Journal was positive in all areas. The peer review process resulted in a number of valuable comments, the editorial process was collaborative and timely, and the quality of this journal has been quickly noticed, resulting in alternative journals contacting me to publish with them." Warm regards, Susan Anne Smith, PhD. Australian Breastfeeding Association.
Dear Jessica Magne, Editorial Coordinator, Clinical Cardiology and Cardiovascular Interventions, Auctores Publishing LLC. I appreciate the journal (JCCI) editorial office support, the entire team leads were always ready to help, not only on technical front but also on thorough process. Also, I should thank dear reviewers’ attention to detail and creative approach to teach me and bring new insights by their comments. Surely, more discussions and introduction of other hemodynamic devices would provide better prevention and management of shock states. Your efforts and dedication in presenting educational materials in this journal are commendable. Best wishes from, Farahnaz Fallahian.
Dear Maria Emerson, Editorial Coordinator, International Journal of Clinical Case Reports and Reviews, Auctores Publishing LLC. I am delighted to have published our manuscript, "Acute Colonic Pseudo-Obstruction (ACPO): A rare but serious complication following caesarean section." I want to thank the editorial team, especially Maria Emerson, for their prompt review of the manuscript, quick responses to queries, and overall support. Yours sincerely Dr. Victor Olagundoye.
Dear Ashley Rosa, Editorial Coordinator, International Journal of Clinical Case Reports and Reviews. Many thanks for publishing this manuscript after I lost confidence the editors were most helpful, more than other journals Best wishes from, Susan Anne Smith, PhD. Australian Breastfeeding Association.
Dear Agrippa Hilda, Editorial Coordinator, Journal of Neuroscience and Neurological Surgery. The entire process including article submission, review, revision, and publication was extremely easy. The journal editor was prompt and helpful, and the reviewers contributed to the quality of the paper. Thank you so much! Eric Nussbaum, MD
Dr Hala Al Shaikh This is to acknowledge that the peer review process for the article ’ A Novel Gnrh1 Gene Mutation in Four Omani Male Siblings, Presentation and Management ’ sent to the International Journal of Clinical Case Reports and Reviews was quick and smooth. The editorial office was prompt with easy communication.
Dear Erin Aust, Editorial Coordinator, Journal of General Medicine and Clinical Practice. We are pleased to share our experience with the “Journal of General Medicine and Clinical Practice”, following the successful publication of our article. The peer review process was thorough and constructive, helping to improve the clarity and quality of the manuscript. We are especially thankful to Ms. Erin Aust, the Editorial Coordinator, for her prompt communication and continuous support throughout the process. Her professionalism ensured a smooth and efficient publication experience. The journal upholds high editorial standards, and we highly recommend it to fellow researchers seeking a credible platform for their work. Best wishes By, Dr. Rakhi Mishra.
Dear Jessica Magne, Editorial Coordinator, Clinical Cardiology and Cardiovascular Interventions, Auctores Publishing LLC. The peer review process of the journal of Clinical Cardiology and Cardiovascular Interventions was excellent and fast, as was the support of the editorial office and the quality of the journal. Kind regards Walter F. Riesen Prof. Dr. Dr. h.c. Walter F. Riesen.
Dear Ashley Rosa, Editorial Coordinator, International Journal of Clinical Case Reports and Reviews, Auctores Publishing LLC. Thank you for publishing our article, Exploring Clozapine's Efficacy in Managing Aggression: A Multiple Single-Case Study in Forensic Psychiatry in the international journal of clinical case reports and reviews. We found the peer review process very professional and efficient. The comments were constructive, and the whole process was efficient. On behalf of the co-authors, I would like to thank you for publishing this article. With regards, Dr. Jelle R. Lettinga.
Dear Clarissa Eric, Editorial Coordinator, Journal of Clinical Case Reports and Studies, I would like to express my deep admiration for the exceptional professionalism demonstrated by your journal. I am thoroughly impressed by the speed of the editorial process, the substantive and insightful reviews, and the meticulous preparation of the manuscript for publication. Additionally, I greatly appreciate the courteous and immediate responses from your editorial office to all my inquiries. Best Regards, Dariusz Ziora
Dear Chrystine Mejia, Editorial Coordinator, Journal of Neurodegeneration and Neurorehabilitation, Auctores Publishing LLC, We would like to thank the editorial team for the smooth and high-quality communication leading up to the publication of our article in the Journal of Neurodegeneration and Neurorehabilitation. The reviewers have extensive knowledge in the field, and their relevant questions helped to add value to our publication. Kind regards, Dr. Ravi Shrivastava.
Dear Clarissa Eric, Editorial Coordinator, Journal of Clinical Case Reports and Studies, Auctores Publishing LLC, USA Office: +1-(302)-520-2644. I would like to express my sincere appreciation for the efficient and professional handling of my case report by the ‘Journal of Clinical Case Reports and Studies’. The peer review process was not only fast but also highly constructive—the reviewers’ comments were clear, relevant, and greatly helped me improve the quality and clarity of my manuscript. I also received excellent support from the editorial office throughout the process. Communication was smooth and timely, and I felt well guided at every stage, from submission to publication. The overall quality and rigor of the journal are truly commendable. I am pleased to have published my work with Journal of Clinical Case Reports and Studies, and I look forward to future opportunities for collaboration. Sincerely, Aline Tollet, UCLouvain.
Dear Ms. Mayra Duenas, Editorial Coordinator, International Journal of Clinical Case Reports and Reviews. “The International Journal of Clinical Case Reports and Reviews represented the “ideal house” to share with the research community a first experience with the use of the Simeox device for speech rehabilitation. High scientific reputation and attractive website communication were first determinants for the selection of this Journal, and the following submission process exceeded expectations: fast but highly professional peer review, great support by the editorial office, elegant graphic layout. Exactly what a dynamic research team - also composed by allied professionals - needs!" From, Chiara Beccaluva, PT - Italy.
Dear Maria Emerson, Editorial Coordinator, we have deeply appreciated the professionalism demonstrated by the International Journal of Clinical Case Reports and Reviews. The reviewers have extensive knowledge of our field and have been very efficient and fast in supporting the process. I am really looking forward to further collaboration. Thanks. Best regards, Dr. Claudio Ligresti
