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Pham TD, Tsunoyama T. Exploring Extravasation in Cancer Patients. Cancers (Basel) 2024; 16:2308. [PMID: 39001371 PMCID: PMC11240416 DOI: 10.3390/cancers16132308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 06/17/2024] [Accepted: 06/21/2024] [Indexed: 07/16/2024] Open
Abstract
Extravasation, the unintended leakage of intravenously administered substances, poses significant challenges in cancer treatment, particularly during chemotherapy and radiotherapy. This comprehensive review explores the pathophysiology, incidence, risk factors, clinical presentation, diagnosis, prevention strategies, management approaches, complications, and long-term effects of extravasation in cancer patients. It also outlines future directions and research opportunities, including identifying gaps in the current knowledge and proposing areas for further investigation in extravasation prevention and management. Emerging technologies and therapies with the potential to improve extravasation prevention and management in both chemotherapy and radiotherapy are highlighted. Such innovations include advanced vein visualization technologies, smart catheters, targeted drug delivery systems, novel topical treatments, and artificial intelligence-based image analysis. By addressing these aspects, this review not only provides healthcare professionals with insights to enhance patient safety and optimize clinical practice but also underscores the importance of ongoing research and innovation in improving outcomes for cancer patients experiencing extravasation events.
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Affiliation(s)
- Tuan D. Pham
- Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London E1 2AD, UK
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Zhang Y, Yuan D, Qi K, Zhang M, Zhang W, Wei N, Li L, Lv P, Gao J, Liu J. Feasibility Analysis of Individualized Low Flow Rate Abdominal Contrast-Enhanced Computed Tomography in Chemotherapy Patients: Dual-Source Computed Tomography With Low Tube Voltage. J Comput Assist Tomogr 2024:00004728-990000000-00319. [PMID: 38693081 DOI: 10.1097/rct.0000000000001624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
PURPOSE The aim of the study is to investigate the feasibility of using dual-source computed tomography (CT) combined with low flow rate and low tube voltage for postchemotherapy image assessment in cancer patients. METHODS Ninety patients undergoing contrast-enhanced CT scans of the upper abdomen were prospectively enrolled and randomly assigned to groups A, B, and C (n = 30 each). In group A, patients underwent scans at 120 kVp with 448 mgI/kg. Patients in group B underwent scans at 100 kVp with 336 mgI/kg. Patient in group C underwent scans at 70 kVp with of 224 mgI/kg. Quantitative measurements including the CT number, standard deviation of CT number, signal-to-noise ratio, contrast-to-noise ratio, subjective reader scores, and the volume and flow rate of contrast agent were evaluated for each group. RESULTS There was no statistically significant difference in the subjective image scores within the three groups except for the kidney (all P > 0.05). Group C showed significantly higher CT values, lower noise levels, and higher signal-to-noise ratio and contrast-to-noise ratio values in the majority of the regions of interest compared to the other groups (P < 0.05). In group C, the contrast agent dose was decreased by 46% compared to group A (79.48 ± 12.24 vs 42.7 ± 8.6, P < 0.01), and the contrast agent injection rate was reduced by 22% (2.7 ± 0.41 vs 2.1 ± 0.4, P < 0.01). CONCLUSIONS The use of 70 kVp tube voltage combined with low iodine flow rates prove to be a more effective approach in solving the challenge of compromised blood vessels in postchemotherapy tumor patients, without reducing image quality and diagnostic confidence.
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Affiliation(s)
- Yicun Zhang
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Dian Yuan
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Ke Qi
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Mengyuan Zhang
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Weiting Zhang
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Nannan Wei
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | | | - Peijie Lv
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Jianbo Gao
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
| | - Jie Liu
- From the The Department of Radiology, The First Affiliated Hospital of Zhengzhou, University, Zhengzhou
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Liu W, Wang P, Zhu H, Tang H, Guan H, Wang X, Wang C, Qiu Y, He L. Contrast media extravasation injury: a prospective observational cohort study. Eur J Med Res 2023; 28:458. [PMID: 37880738 PMCID: PMC10598951 DOI: 10.1186/s40001-023-01444-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 10/11/2023] [Indexed: 10/27/2023] Open
Abstract
OBJECTIVE To identify the risk factors for moderate and severe contrast media extravasation and provide effective guidance to reduce the degree of extravasation injuries. METHODS We observed 224 adult patients who underwent contrast media extravasation at Xiangya Hospital of Central South University, Hunan Provincial Maternal and Child Healthcare Hospital, and Xiangya Changde Hospital, Hunan Province between January 1, 2018 and December 31, 2022. Risk factors for moderate extravasation injuries were evaluated using univariate and multivariate logistic regression. RESULTS Among 224 patients, 0 (0%) had severe, 18 (8.0%) had moderate, and 206 (92.0%) had mild contrast media extravasation injury. Multivariate logistic regression analysis revealed malignant tumors (odds ratio [OR] = 6.992, 95% confidence interval [CI]: 1.674-29.208), Iohexol (OR = 9.343, 95% CI 1.280-68.214), large-volume (> 50 mL) extravasation (OR = 5.773, 95% CI 1.350‒24.695), and injection site (back of the hand) (OR = 13.491, 95% CI 3.056-59.560) as independent risk factors for moderate injury. CONCLUSION Risk factors for moderate contrast media extravasation injury are malignant tumors, iohexol, large-volume (> 50 mL) extravasation, and back-of-the-hand injection. Analysis of these risk factors can help reduce the degree of injury after extravasation. CLINICAL RELEVANCE STATEMENT High-risk patients with extravasation support should choose the appropriate contrast media type, avoiding back-of-the-hand injections. We recommend that patients with cancer be implanted with a high-pressure resistant central venous catheter and receive effective measures to timely detect and reduce extravasation.
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Affiliation(s)
- Wanli Liu
- Teaching and Research Section of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Pinghu Wang
- Breast Surgery Department, Hunan Provincial Maternal and Child Healthcare Hospital, Changsha, Hunan, People's Republic of China
| | - Hui Zhu
- Xiangya Changde Hospital, Changde, Hunan, People's Republic of China
| | - Hui Tang
- Teaching and Research Section of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Hongmei Guan
- Teaching and Research Section of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China
| | - Xiaoying Wang
- Xiangya Changde Hospital, Changde, Hunan, People's Republic of China
| | - Chengxiang Wang
- Xiangya Changde Hospital, Changde, Hunan, People's Republic of China
| | - Yao Qiu
- Xiangya Changde Hospital, Changde, Hunan, People's Republic of China
| | - Lianxiang He
- Teaching and Research Section of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, Hunan, People's Republic of China.
- Xiangya Changde Hospital, Changde, Hunan, People's Republic of China.
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Otgonbaatar C, Ryu JK, Shin J, Kim HM, Seo JW, Shim H, Hwang DH. Deep learning reconstruction allows for usage of contrast agent of lower concentration for coronary CTA than filtered back projection and hybrid iterative reconstruction. Acta Radiol 2023; 64:1007-1017. [PMID: 35979586 DOI: 10.1177/02841851221118476] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The demand for homogeneous and higher vascular contrast enhancement is critical to provide an appropriate interpretation of abnormal vascular findings in coronary computed tomography angiography (CTA). PURPOSE To evaluate the effect of various contrast media concentrations (Iohexol-370, Iohexol-300, Iohexol-240) and image reconstructions (filtered back projection [FBP], hybrid iterative reconstruction [IR], and deep learning reconstruction [DLR]) on coronary CTA. MATERIAL AND METHODS A total of 63 patients referred for coronary CTA between July and October 2021 were enrolled in this prospective study, and they randomly received one of three contrast media. CTA images were reconstructed with FBP, hybrid IR, and DLR. The CT attenuation, image noise, signal-to-noise ratio (SNR), and contrast-to-noise ratio (CNR) were calculated for all three images. The images were subjectively evaluated by two radiologists in terms of overall image quality, artifacts, image noise, and vessel wall delineation on a 5-point Likert scale. RESULTS The application of DLR resulted in significantly lower image noise; higher CT attenuation, SNR, and CNR; and better subjective analysis among the three different concentrations of contrast media groups (P < 0.001). There was no significant difference in the CT attenuation of the left ventricle (P = 0.089) and coronary arteries (P = 0.072) between hybrid IR at Iohexol-300 and DLR at Iohexol-240. Furthermore, application of DLR to the Iohexol-240 significantly improved SNR and CNR; it achieved higher subjective scores compared with hybrid IR at Iohexol-300 (P < 0.001). CONCLUSION We suggest that using DLR with Iohexol-240 contrast media is preferable to hybrid IR with Iohexol-300 contrast media in coronary CTA.
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Affiliation(s)
- Chuluunbaatar Otgonbaatar
- Department of Radiology, 26725Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jae-Kyun Ryu
- Medical Imaging AI Research Center, 496517Canon Medical Systems Korea, Seoul, Republic of Korea
| | - Jaemin Shin
- Department of Neurology, 58934Korea University Guro Hospital, Seoul, Republic of Korea
| | - Han Myun Kim
- Department of Radiology, 65521Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Jung Wook Seo
- Department of Radiology, 119750Inje University Ilsan Paik Hospital, Goyang, Republic of Korea
| | - Hackjoon Shim
- Medical Imaging AI Research Center, 496517Canon Medical Systems Korea, Seoul, Republic of Korea
- ConnectAI Research Center, 37991Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Dae Hyun Hwang
- Department of Radiology, 65521Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Republic of Korea
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Shigematsu S, Oda S, Sakabe D, Matsuoka A, Hayashi H, Taguchi N, Kidoh M, Nagayama Y, Nakaura T, Murakami M, Hatemura M, Hirai T. Practical Preventive Strategies for Extravasation of Contrast Media During CT: What the Radiology Team Should Do. Acad Radiol 2022; 29:1555-1559. [PMID: 35246376 DOI: 10.1016/j.acra.2022.01.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/05/2022] [Accepted: 01/09/2022] [Indexed: 12/14/2022]
Abstract
RATIONALE AND OBJECTIVES This study aimed to assess the effectiveness of practical preventive strategies (i.e., venous vulnerability assessment and prevention scan protocol rules) taken by our radiology team (radiology nurses, radiology technicians, radiologists) on reducing extravasation of contrast media (ECM) during CT. MATERIALS AND METHODS A total of 73,931 patients who underwent contrast-enhanced CT scans between January 2013 and December 2019 were retrospectively included. Venous vulnerability assessment by the radiology team began in 2015, and prevention scan protocol rules for the prevention of ECM were added in 2017. We defined each period as follows: 2013-2014, no prevention (Period A); 2015-2016, early prevention (Period B, venous vulnerability assessment only); and 2017-2019: late prevention (Period C, venous vulnerability assessment with prevention scan protocol rules). The incident reports, radiology reports, and medical records of patients in whom ECM occurred were reviewed. We compared the frequency of ECM during each period. RESULTS ECM occurred in 0.39% (292/73,931) of the patients. The frequencies of ECM for Periods A, B, and C were 0.62% (121/19,505), 0.43% (89/20,847), and 0.24% (82/33,579), respectively. There were significant differences in the frequencies of ECM among the three periods (Chi-squared test, p < 0.01). CONCLUSION Implementation of venous vulnerability assessment and prevention scan protocol rules by a radiology team can be a practical and simple solution to reduce the risk of ECM during CT.
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Affiliation(s)
- Shinsuke Shigematsu
- Department of Central Radiology, Kumamoto University Hospital, Chuo-ku, Kumamoto, Japan
| | - Seitaro Oda
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan.
| | - Daisuke Sakabe
- Department of Central Radiology, Kumamoto University Hospital, Chuo-ku, Kumamoto, Japan
| | - Ayumi Matsuoka
- Department of Central Radiology, Kumamoto University Hospital, Chuo-ku, Kumamoto, Japan
| | - Hidetaka Hayashi
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Narumi Taguchi
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Masafumi Kidoh
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Yasunori Nagayama
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Takeshi Nakaura
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Michiyo Murakami
- Department of Central Radiology, Kumamoto University Hospital, Chuo-ku, Kumamoto, Japan
| | - Masahiro Hatemura
- Department of Central Radiology, Kumamoto University Hospital, Chuo-ku, Kumamoto, Japan
| | - Toshinori Hirai
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjyo, Chuo-ku, Kumamoto, 860-8556, Japan
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游 永, 李 万, 刘 洪, 钟 思, 李 真. [Clinical Application of "Three-Low" Technique Combined with Artificial Intelligence Iterative Reconstruction Algorithm in Aortic CT Angiography]. SICHUAN DA XUE XUE BAO. YI XUE BAN = JOURNAL OF SICHUAN UNIVERSITY. MEDICAL SCIENCE EDITION 2022; 53:676-681. [PMID: 35871740 PMCID: PMC10409462 DOI: 10.12182/20220760105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Indexed: 06/15/2023]
Abstract
Objective To explore the application value of the "three-low" technique (low radiation dose, low contrast agent dosage and low contrast agent flow rate) combined with artificial intelligence iterative reconstruction (AIIR) in aortic CT angiography (CTA). Methods A total of 33 patients who underwent aortic CTA were prospectively enrolled. Based on the time of their follow-up examinations, the imaging data were divided into Group A and Group B, with Group A being the control group (100 kV, 0.8 mL/kg, 5 mL/s) and Group B being the "three-low" technique group (70 kV, 0.5 mL/kg, 3 mL/s). In group A, the images were reconstructed by Karl iterative algorithm. Group B was divided into B1 and B2 subgroups, with their images being reconstructed by Karl iterative algorithm and AIIR, respectively. The CT and SD values of the ascending aorta, descending aorta, abdominal aorta, left common iliac artery and right common iliac artery were measured, and the signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated. The subjective scoring of image quality was performed. The radiation dose parameters were documented. Results Differences in the CT value, SD value, SNR and CNR of the three groups were statistically significant ( P<0.001). The CT value, SNR and CNR of group B2 were significantly higher than those of group B1, while the SD value of group B2 was significantly lower than that of group B1 ( P<0.017). There was no significant difference between the CT values of group A and those of group B2 ( P>0.017). The SD values, SNR and CNR in group B2 were better than those in group A ( P>0.017). There was significant difference in the subjective evaluation of image quality among the three groups ( P<0.05), but there was no significant difference between group A and group B2 ( P>0.017). The radiation dose and contrast medium dosage in group B decreased 84.14% and 37.08%, respectively, compared with those of group A. Conclusion With the "three-low" technique combined with AIIR algorithm, the image quality of aortic CTA obtained is comparable to that of conventional dose scanning, while the radiation dose, contrast agent dosage and contrast agent flow rate of patients are significantly reduced.
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Affiliation(s)
- 永春 游
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 万江 李
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 洪川 刘
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 思华 钟
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - 真林 李
- 四川大学华西医院 放射科 (成都 610041)Department of Radiology, West China Hospital, Sichuan University, Chengdu 610041, China
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Roditi G, Khan N, van der Molen AJ, Bellin MF, Bertolotto M, Brismar T, Correas JM, Dekkers IA, Geenen RWF, Heinz-Peer G, Mahnken AH, Quattrocchi CC, Radbruch A, Reimer P, Romanini L, Stacul F, Thomsen HS, Clément O. Intravenous contrast medium extravasation: systematic review and updated ESUR Contrast Media Safety Committee Guidelines. Eur Radiol 2022; 32:3056-3066. [PMID: 35175378 PMCID: PMC9038843 DOI: 10.1007/s00330-021-08433-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 08/29/2021] [Accepted: 10/14/2021] [Indexed: 01/28/2023]
Abstract
NEED FOR A REVIEW Guidelines for management and prevention of contrast media extravasation have not been updated recently. In view of emerging research and changing working practices, this review aims to inform update on the current guidelines. AREAS COVERED In this paper, we review the literature pertaining to the pathophysiology, diagnosis, risk factors and treatments of contrast media extravasation. A suggested protocol and guidelines are recommended based upon the available literature. KEY POINTS • Risk of extravasation is dependent on scanning technique and patient risk factors. • Diagnosis is mostly clinical, and outcomes are mostly favourable. • Referral to surgery should be based on clinical severity rather than extravasated volume.
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Affiliation(s)
- Giles Roditi
- Department of Radiology, Glasgow Royal Infirmary, Glasgow, UK
| | - Nadir Khan
- Department of Radiology, Glasgow Royal Infirmary, Glasgow, UK
| | - Aart J van der Molen
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Marie-France Bellin
- University Paris-Saclay, AP-HP, University Hospital Bicêtre, Service de Radiologie, BioMaps, Le Kremlin-Bicêtre, France
| | | | - Torkel Brismar
- Department of Clinical Science, Intervention and Technology, Unit of Radiology, Karolinska Institutet and Department of Radiology, Karolinska University Hospital in Huddinge, Stockholm, Sweden
| | - Jean-Michel Correas
- Université de Paris, AP-HP, Groupe Hospitalier Necker, DMU Imagina, Service de Radiologie, Paris, France
| | - Ilona A Dekkers
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Remy W F Geenen
- Department of Radiology, Northwest Clinics, Alkmaar, The Netherlands
| | | | - Andreas H Mahnken
- Department of Diagnostic and Interventional Radiology, Marburg University Hospital, Marburg, Germany
| | - Carlo C Quattrocchi
- Imaging Center, Unit of Diagnostic Imaging and Interventional Radiology, Università Campus Bio-Medico Di Roma, Rome, Italy
| | - Alexander Radbruch
- Department of Radiology, Clinic for Diagnostic and Interventional Neuroradiology, Bonn, Germany
| | - Peter Reimer
- Department of Radiology, Institute for Diagnostic and Interventional Radiology, Klinikum Karlsruhe, Karlsruhe, Germany
| | | | - Fulvio Stacul
- Department of Radiology, Ospedale Maggiore, Trieste, Italy
| | - Henrik S Thomsen
- Department of Radiology, Copenhagen University Hospital Herlev, Copenhagen, Denmark
| | - Olivier Clément
- Université de Paris, AP-HP, Hôpital Européen Georges Pompidou, DMU Imagina, Service de Radiologie, 20 Rue LeBlanc, 75015, Paris, France.
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Roca-Sarsanedas J, Galimany-Masclans J, Regidor-Braojos AM, Falcó-Pegueroles A. Topical treatment of tissue damage due to extravasation of iodinated contrast using thermal compresses. J Tissue Viability 2021; 31:135-141. [DOI: 10.1016/j.jtv.2021.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 11/30/2021] [Accepted: 12/21/2021] [Indexed: 10/19/2022]
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Nwasike C, Purr E, Yoo E, Nagi JS, Doiron AL. Activatable Nanoparticles: Recent Advances in Redox-Sensitive Magnetic Resonance Contrast Agent Candidates Capable of Detecting Inflammation. Pharmaceuticals (Basel) 2021; 14:69. [PMID: 33467028 PMCID: PMC7829999 DOI: 10.3390/ph14010069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/14/2021] [Accepted: 01/14/2021] [Indexed: 11/16/2022] Open
Abstract
The emergence of activatable magnetic resonance (MR) contrast agents has prompted significant interest in the detection of functional markers of diseases, resulting in the creation of a plethora of nanoprobes capable of detecting these biomarkers. These markers are commonly dysregulated in several chronic diseases, specifically select cancers and inflammatory diseases. Recently, the development of redox-sensitive nanoparticle-based contrast agents has gained momentum given advances in medicine linking several inflammatory diseases to redox imbalance. Researchers have pinpointed redox dysregulation as an opportunity to use activatable MR contrast agents to detect and stage several diseases as well as monitor the treatment of inflammatory diseases or conditions. These new classes of agents represent an advancement in the field of MR imaging as they elicit a response to stimuli, creating contrast while providing evidence of biomarker changes and commensurate disease state. Most redox-sensitive nanoparticle-based contrast agents are sensitive to reductive glutathione or oxidative reactive oxygen species. In this review, we will explore recent investigations into redox-activatable, nanoparticle-based MR contrast agent candidates.
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Affiliation(s)
- Chukwuazam Nwasike
- Department of Biomedical Engineering, Binghamton University (SUNY), Binghamton, NY 13902, USA; (C.N.); (E.P.)
| | - Erin Purr
- Department of Biomedical Engineering, Binghamton University (SUNY), Binghamton, NY 13902, USA; (C.N.); (E.P.)
| | - Eunsoo Yoo
- Department of Otolaryngology-Head & Neck Surgery, University of Pennsylvania, Philadelphia, PA 19104, USA;
| | - Jaspreet Singh Nagi
- Department of Electrical and Biomedical Engineering, University of Vermont, Burlington, VT 05405, USA;
| | - Amber L. Doiron
- Department of Electrical and Biomedical Engineering, University of Vermont, Burlington, VT 05405, USA;
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10
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Digumarthy SR, Singh R, Rastogi S, Otrakji A, Homayounieh F, Zhang EW, McDermott S, Kalra MK. Low contrast volume dual-energy CT of the chest: Quantitative and qualitative assessment. Clin Imaging 2020; 69:305-310. [PMID: 33045474 DOI: 10.1016/j.clinimag.2020.10.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/18/2020] [Accepted: 10/01/2020] [Indexed: 12/13/2022]
Abstract
PURPOSE To evaluate the image quality of chest CT performed on dual-energy scanners using low contrast volume for routine chest (DECT-R) and pulmonary angiography (DECTPA) protocols. MATERIALS AND METHODS This retrospective study included dual-energy CT scans of chest performed with low contrast volume in 84 adults (34M:50F; Age 69 ± 16 years: Weight 71 ± 16kg). There were 42 patients with DECT-R and 42 patients with DECT-PA protocols. Images were reviewed by two thoracic radiologists. Qualitative assessment was done on a four-point scale, for subjective assessment of contrast enhancement and artifacts (1 = Excellent, 2 = optimal, 3 = suboptimal, and 4 = Limited) in the pulmonary arteries and thoracic aorta, on virtual monoenergetic and material decomposition iodine (MDI) images. Quantitative assessment was performed by measuring the CT (Hounsfield) units in aorta and pulmonary arteries. The estimated glomerular filtration rate (eGFR) was calculated before and after CT scans. Two tailed student's t-test was performed to assess the significance of findings, and strength of correlation between readers was determined by Cohen's kappa test. RESULTS DECT-PA and DECT-R demonstrated excellent/adequate contrast density within the pulmonary arteries (up to segmental branch), and aorta. There was no suboptimal or limited examination. There was strong interobserver agreement for arterial enhancement in pulmonary arteries (kappa = 0.62-0.89) and for thoracic aorta (kappa = 0.62-0.94). Pulmonary emboli were seen in 3/42(7%) in DECT-R and in 5/42(12%) in DECT-PA. There was no significant change in eGFR before and after IV contrast injection (p = 0.46-0.52). CONCLUSION DECT-R and DECT-PA performed with low contrast volume provide diagnostic quality opacification of the pulmonary vessels and aorta vessels.
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Affiliation(s)
- Subba R Digumarthy
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America.
| | - Ramandeep Singh
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | - Shivam Rastogi
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | - Alexi Otrakji
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | - Fatemeh Homayounieh
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | - Eric W Zhang
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | - Shaunagh McDermott
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
| | - Mannudeep K Kalra
- Division of Thoracic Imaging and Intervention, Massachusetts General Hospital, Boston, MA, United States of America; Harvard Medical School, Boston, MA, United States of America
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11
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Soares DTS, Hermann AP, Lacerda MR, Méier MJ, Caceres NTDG, Lima JZ. Care for the critical patient undergoing point-of-care testing: integrative review. Rev Bras Enferm 2020; 73:e20180948. [PMID: 32785501 DOI: 10.1590/0034-7167-2018-0948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Accepted: 02/12/2020] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE to identify, based on the evidence, point-of-care testing in bedbound in critically ill patients. METHOD integrative review, carried out through search in Pubmed, Virtual Health Library, Joanna Briggs Institute, The British Institute of Radiology, Brazilian Radiology, and Google Scholar databases. We used the PICO research strategy and selected articles published from 2013 onwards, which presented information about point-of-care testing. RESULTS the different interventions found in the analysis of the 23 selected articles allowed the thematic grouping of care related to safety in communication, patient identification, care with devices, and the prevention and control of infection, which can be used in point-of-care testing. Final considerations: The care described in the evidence provided support for validating a safe care protocol for critically ill patients undergoing imaging studies in bed.
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Barrera CA, White AM, Shepherd AM, Mecca P, Biko DM, Saul D, Otero HJ. Contrast Extravasation using Power Injectors for Contrast-Enhanced Computed Tomography in Children: Frequency and Injury Severity. Acad Radiol 2019; 26:1668-1674. [PMID: 31138458 DOI: 10.1016/j.acra.2019.04.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 04/01/2019] [Accepted: 04/13/2019] [Indexed: 11/29/2022]
Abstract
PURPOSE To evaluate the safety of power injectors for contrast-enhanced computed tomography (CT) in children, namely: the prevalence and injury severity of contrast extravasations related to power injectors and the factors associated with these events. METHODS The need to obtain informed consent was waived for this HIPAA-compliant and IRB approved retrospective study. Around 2429 contrast-enhanced CT performed with a power injector were identified during a 3-year period. Data collected included patient demographic, power injector, and contrast agent information. The patients' symptoms, severity of injury and treatment with contrast extravasation were recorded. Around 1496 cases (823 boys, 673 girls) were included in the analysis. Independent-sample t test and Chi-square were used. For a sub-analysis using the extravasation cases, nonparametric tests were used. RESULTS The mean age was 9.5 ± 6.1 years. The most common access site, catheter site, and contrast agent used were the antecubital fossa, 22 gauge and Iohexol. The mean peak pressure was 68.9 ± 62.3 psi and the flow rate was 1.7 ± 0.9 mL/s. Eighteen cases of contrast extravasation were identified with a mean age of 11.2 ± 6.2 years. There were seven mild, six moderate, and five severe. Cases with extravasation had significantly higher peak pressure (p < 0.001) and flow rate (p < 0.001) compared to those without extravasation. Patients who received Iohexol-350 had significantly more contrast extravasation compared to those who used Iohexol-300 (p = 0.03). However, after post-hoc correction, only peak pressure (p < 0.01) and flow rate (p = 0.01) remained significant. CONCLUSION The use of power injectors in children undergoing contrast-enhanced CT is associated with a low rate of extravasation and of long-term injury.
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Affiliation(s)
- Christian A Barrera
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104.
| | - Ammie M White
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104
| | - Ashley M Shepherd
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104
| | - Patricia Mecca
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104
| | - David M Biko
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104
| | - David Saul
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104
| | - Hansel J Otero
- Department of Radiology, The Children's Hospital of Philadelphia, 3401 Civic Center Boulevard, Philadelphia, PA 19104
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13
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Ko CH, Tay SY, Chang HC, Chan WP. Large-volume iodinated contrast medium extravasation: low frequency and good outcome after conservative management in a single-centre cohort of more than 67,000 patients. Eur Radiol 2018; 28:5376-5383. [PMID: 29948071 DOI: 10.1007/s00330-018-5514-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 04/15/2018] [Accepted: 04/26/2018] [Indexed: 11/30/2022]
Abstract
OBJECTIVES Our aim was to retrospectively investigate the frequency and outcome of large-volume iodinated contrast medium (CM) extravasation in our institution and to compare our management protocol to current practice. METHODS Institutional review board approval was obtained, and informed consent was waived because the study was retrospective. From January 2008 to September 2016, radiological examinations with intravenous non-ionic iodinated CM administration were performed in 67,129 patients. Contrast medium extravasation events on CT scans and intravenous pyelograms but not on angiograms were included. All data were collected prospectively and stratified according to age, injection method (manual vs auto-injection), prevention of extravasation by various means (including intercom alarm), management of extravasation (routine application of silver sulfadiazine ointment, clobetasol propionate cream, and damp gauze at room temperature), etc. RESULTS: The incidence of large-volume CM extravasation was very low (0.04% [27/67,129] overall; 0.03% related to manual injection [age range, 59-92 years; mean, 75.4 years], and 0.045% related to auto-injection [age range, 36-86 years; mean, 65.8 years]). The CM extravasation volume in majority of patients was 20-40 ml in 5 of 9 patients (55.6%) in the manual injection group and 14 of 18 (77.8%) in the auto-injection group. Swelling and pain were the most common symptoms. No patient developed severe signs or needed surgical intervention. CONCLUSIONS Results show a very low incidence of large-volume CM extravasation without severe complications or sequelae. The casual effect between our protocols and good outcome cannot be scrutinised thoroughly because the study lacks a control group and is retrospective. KEY POINTS • The incidence of large-volume contrast medium extravasation (≥20 ml) was 0.04%. • No patient needed surgical intervention, and most recovered within 7 days. • Each element of our management protocol contributed to good outcome.
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Affiliation(s)
- Chih-Hsiang Ko
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, 111 Hsing-Long Road, Sec 3, Taipei, 116, Taiwan, Republic of China.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan, Republic of China
| | - Shee Yen Tay
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, 111 Hsing-Long Road, Sec 3, Taipei, 116, Taiwan, Republic of China.,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan, Republic of China
| | - Hsiu-Chin Chang
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, 111 Hsing-Long Road, Sec 3, Taipei, 116, Taiwan, Republic of China
| | - Wing P Chan
- Department of Radiology, Wan Fang Hospital, Taipei Medical University, 111 Hsing-Long Road, Sec 3, Taipei, 116, Taiwan, Republic of China. .,Department of Radiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan, Republic of China.
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Al Ewaidat H, Zheng X, Khader Y, Spuur K, Abdelrahman M, Alhasan MKM, Al-Hourani ZA. Knowledge and Awareness of CT Radiation Dose and Risk Among Patients. JOURNAL OF DIAGNOSTIC MEDICAL SONOGRAPHY 2018. [DOI: 10.1177/8756479318776214] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The study aims to assess the level of patients’ awareness and knowledge regarding radiation and dosage along with the associated risks from computed tomography (CT) scan. This cross-sectional study used questionnaires, which were distributed to the diagnostic imaging departments of six large local hospitals in Jordan between September 2014 and March 2015. A total of 600 patients completed the questionnaire, out of which, 52.33% of respondents were female and 47.6% male. The findings show insignificant effects of gender on patient’s knowledge ( P = .596) and significant effect of employment and profession on positive scores ( P = .000). Similarly, no statistical differences were found between gender and correct answers ( P = .707). This cohort of patients demonstrated a lack of awareness and knowledge about the use of ionizing radiation for diagnostic imaging. Thus, there may exist a similar lack of information that will require imaging professionals to raise patients’ awareness and offer them the appropriate information.
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Affiliation(s)
- Haytham Al Ewaidat
- Department of Allied Medical Sciences-Radiologic Technology, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Xiaoming Zheng
- Medical Radiation Science, School of Dentistry and Health Science, Charles Sturt University, Orange, New South Wales, Australia
| | - Yousef Khader
- Faculty Medicine Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Kelly Spuur
- Medical Radiation Science, School of Dentistry and Health Science, Charles Sturt University, Orange, New South Wales, Australia
| | - Mostafa Abdelrahman
- Department of Allied Medical Sciences-Radiologic Technology, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Mostafa Khaled Mustafa Alhasan
- Department of Allied Medical Sciences-Radiologic Technology, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Zeid A. Al-Hourani
- Applied Dental Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
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