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Wang Y, Wang B, Qin J, Yan H, Chen H, Guo J, Wu PY, Wang X. Use of multiparametric MRI to noninvasively assess iodinated contrast-induced acute kidney injury. Magn Reson Imaging 2024; 114:110248. [PMID: 39357626 DOI: 10.1016/j.mri.2024.110248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2024] [Revised: 09/06/2024] [Accepted: 09/29/2024] [Indexed: 10/04/2024]
Abstract
PURPOSE To gauge the utility of multiparametric MRI in characterizing pathologic changes after iodinated contrast-induced acute kidney injury (CI-AKI) in rats. METHODS We randomly grouped 24 rats injected with 8 g iodine/kg of body weight (n = 6 each) and 6 rats injected with saline as controls. All rats underwent T1, T2 mapping and diffusion kurtosis imaging (DKI) after contrast injection at 0 (control), 1, 3, 7, 13 days. T1, T2, and mean kurtosis (MK) values were performed in renal outer/inner stripes of outer medulla (OSOM and ISOM) and cortex (CO), and their diagnosis performance for CI-AKI also been evaluated. Serum creatinine (SCr), insulin-like growth factor-binding protein 7 (IGFBP7), tissue inhibitor metalloproteinase 2 (TIMP-2), aquaporin-1 (AQP1), α-smooth muscle actin (α-SMA), and histologic indices were examined. RESULTS Compared with controls, urinary concentrations of both TIMP-2 and IGFBP7 were obviously elevated from Day 1 to Day 13 (all p < 0.05). T2 values were significantly higher than control group for Days 1 and 3, and T1 and MK increased were more remarkable at all time points (Days 1-13) in CI-AKI (all p < 0.05) than control group. Changes in T1 and MK strongly correlated with renal injury scores of all anatomical compartments and with expression levels of AQP1 and moderately correlated with α-SMA. Changes in T2 values correlating moderately with renal scores of CO, ISOM and OSOM and AQP1. The MK obtained the highest area under the receiver operating characteristic (ROC) curve of 0.846 with a sensitivity of 70.8 % and specificity of 88.9 %. CONCLUSIONS Combined use of multiparametric MRI could be a valid noninvasive method for comprehensive monitoring of CI-AKI. Among these parameters, MK may achieve the best diagnostic performance for CI-AKI.
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Affiliation(s)
- Yongfang Wang
- Department of Medical Imaging, First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China; Shanxi Key Laboratory of Intelligent Imaging, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China, 030001; Department of Medical Imaging, Shanxi Medical University, Taiyuan 030000, Shanxi, China
| | - Bin Wang
- Department of Medical Imaging, First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China
| | - Jiangbo Qin
- Department of Medical Imaging, First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China
| | - Haili Yan
- Department of Medical Imaging, First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China
| | - Haoyuan Chen
- Department of Medical Imaging, First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China; Department of Medical Imaging, Shanxi Medical University, Taiyuan 030000, Shanxi, China
| | - Jinxia Guo
- GE Healthcare, MR Research China, Beijing 100000, China.
| | - Pu-Yeh Wu
- GE Healthcare, MR Research China, Beijing 100000, China
| | - Xiaochun Wang
- Department of Medical Imaging, First Hospital of Shanxi Medical University, Taiyuan 030000, Shanxi, China; Shanxi Key Laboratory of Intelligent Imaging, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi Province, China, 030001; Department of Medical Imaging, Shanxi Medical University, Taiyuan 030000, Shanxi, China.
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Zhao N, Shen Y, Shi D, Mao Y, Wang G, Xiao G, Xu D, Yan G. Advances in the Clinical Study of Nuclear Overhauser Enhancement. J Magn Reson Imaging 2024. [PMID: 39340226 DOI: 10.1002/jmri.29623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 08/06/2024] [Accepted: 08/06/2024] [Indexed: 09/30/2024] Open
Abstract
Nuclear overhauser enhancement is a confounding factor arising from the in vivo application of a chemical exchange saturation transfer technique in which two nuclei in close proximity undergo dipole cross-relaxation. Several studies have shown applicability and efficacy of nuclear overhauser enhancement in observing tumors and other lesions in vivo. Thus, this effect could become an emerging molecular imaging research tool for many diseases. Moreover, nuclear overhauser enhancement has the advantages of simplicity, noninvasiveness, and high resolution and has become a major focus of current research. In this review, we summarize the principles and applications of nuclear overhauser enhancement. LEVEL OF EVIDENCE: 2 TECHNICAL EFFICACY: Stage 1.
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Affiliation(s)
- Nannan Zhao
- Department of Center of Morphological Experiment, Medical college of Yanbian University, Yanji, China
- Department of Radiology, Xiamen Medical College Affiliated Second Hospital, Xiamen, China
| | - Yuanyu Shen
- Department of Radiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Dafa Shi
- Department of Radiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Yumeng Mao
- Department of Radiology, Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Guangsong Wang
- Department of Radiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Gang Xiao
- School of Mathematics and Statistics, Hanshan Normal University, Chaozhou, China
| | - Dongyuan Xu
- Department of Center of Morphological Experiment, Medical college of Yanbian University, Yanji, China
| | - Gen Yan
- Department of Radiology, Xiamen Medical College Affiliated Second Hospital, Xiamen, China
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Bellew SD, Kahler Z, Hamm J, Koberlein AM, Gormley MA. The Effect of Contrast Rationing on the Development of Acute Kidney Injury During the Global Contrast Shortage. J Emerg Med 2024; 67:e157-e163. [PMID: 38816258 DOI: 10.1016/j.jemermed.2024.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/20/2024] [Accepted: 04/22/2024] [Indexed: 06/01/2024]
Abstract
BACKGROUND In April of 2022, the COVID-19 pandemic resulted in a global shortage of intravenous contrast media (ICM), which led our health care system to implement rationing measures. STUDY OBJECTIVES We set out to determine if the reduction in ICM use was associated with a change in the incidence of acute kidney injury (AKI). METHODS We conducted a multicenter retrospective cohort analysis to compare the incidence of AKI in patients who presented before and after ICM rationing. Adult patients who had a CT of the abdomen performed who had at least 2 creatinine measurements, at least 24 h apart, were included. The maximum increase in creatinine was determined by subtracting the maximal creatinine obtained within 7 days with the initial creatinine. The primary outcome was the development of AKI. RESULTS A total of 2168 patients met inclusion criteria (1082 before; 1086 after). There was no significant difference in age, gender, comorbid conditions, disposition, or initial estimated glomerular filtration rate between groups. In the prerationing group, 87.7% of patients received ICM compared to 42.7% after. There was no significant difference in the development of AKI between groups (11.1% vs. 11.0%), including when stratified by baseline renal function and adjusted for age, sex, race, comorbid conditions, and emergency severity index. CONCLUSIONS The dramatic reduction in ICM use that resulted from the global shortage was not associated with a change in the incidence of AKI. This reinforces the results of previous studies which have failed to find evidence of a relationship between ICM administration and AKI.
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Affiliation(s)
- Shawna D Bellew
- Department of Emergency Medicine, Prisma Health-Upstate, Greenville, South Carolina; University of South Carolina School of Medicine Greenville, Greenville, South Carolina.
| | - Zachary Kahler
- Department of Emergency Medicine, Prisma Health-Upstate, Greenville, South Carolina; University of South Carolina School of Medicine Greenville, Greenville, South Carolina
| | - Jacob Hamm
- University of South Carolina School of Medicine Greenville, Greenville, South Carolina; Department of Radiology, Prisma Health-Upstate, Greenville, South Carolina
| | | | - Mirinda Ann Gormley
- Department of Emergency Medicine, Prisma Health-Upstate, Greenville, South Carolina; University of South Carolina School of Medicine Greenville, Greenville, South Carolina; Clemson University School of Health Research, Clemson, South Carolina
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Magnusson MMM, Gerk U, Schüpbach G, Rieger J, Plendl J, Marin I, Drews B, Kaessmeyer S. Microvascular changes following exposure to iodinated contrast media in vitro. A qualitative comparison to serum creatinine concentrations in post-cardiac catheterization patients. Microvasc Res 2024; 153:104659. [PMID: 38286222 DOI: 10.1016/j.mvr.2024.104659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 01/31/2024]
Abstract
INTRODUCTION Contrast-associated acute kidney injury (CA-AKI) is characterized as a loss of renal function following radiological contrast media administration. While all contrast media induce variable changes in microvascular endothelial cells in vitro, only few studies report clinical significance of their findings. A comprehensive assessment of the effect of iodinated contrast media on the renal function in vitro and in vivo is essential. The aim of our study was to morphometrically quantify the effect of two different contrast media (Iobitridol and Iodixanol) on vascular endothelial capillaries in vitro and to analyze their effect on the renal function of patients who underwent cardiac catheterization including the intra-arterial administration of contrast media, by measuring serum creatinine concentration (SCr), a byproduct of muscle metabolism, primarily excreted by the kidneys. Our hypothesis suggests that conducting a qualitative comparison of both outcomes will enable identification of differences and similarities between in vitro and in vivo exposure. MATERIAL AND METHODS In vitro, co-cultures of human dermal fibroblasts and human dermal microvascular endothelial cells forming capillary beds were exposed to a mixture of phosphate buffered saline and either Iobitridol, Iodixanol, or one of their supplements EDTA or Trometamol for 1.5 or 5 min. Negative control co-cultures were exposed exclusively to phosphate buffered saline. Co-cultures were either directly fixed or underwent a regeneration time of 1, 3 or 7 days. An artificial intelligence software was trained for detection of labeled endothelial capillaries (CD31) on light microscope images and measurements of morphometric parameters. In vivo, we retrospectively analyzed data from patients who underwent intra-arterial administration of contrast media and for whom SCr values were available pre- and post-contrast exposition (1, 3, and 7 days following procedure). Temporal development of SCr and incidence of CA-AKI were assessed. Both exposure types were qualitatively compared. RESULTS In vitro, Iobitridol, Iodixanol and EDTA induced a strong decrease of two morphometric parameters after 3 days of regeneration. In vivo, a significant increase of SCr and incidence of CA-AKI was observed 3 days following procedure in the post-contrast media patients. No difference was observed between groups. DISCUSSION Two of the morphometric parameters were inversely proportional to the SCr of the patients. If the endothelial damages observed in vitro occur in vivo, it may result in renal hypoxia, inducing a loss of kidney function clinically translated into an increase of SCr. Further development of our in vitro model could allow closer replication of the internal structure of a kidney and bridge the gap between in vitro studies and their clinical findings.
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Affiliation(s)
- Marine M M Magnusson
- Division of Veterinary Anatomy, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Ulrich Gerk
- Städtisches Klinikum Dresden, Dresden, Germany
| | - Gertraud Schüpbach
- Veterinary Public Health Institute, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Juliane Rieger
- Institute of Translational Medicine for Health Care Systems, Department of Human Medicine, Faculty of Medicine, MSB Medical School Berlin, Berlin, Germany
| | - Johanna Plendl
- Institute of Veterinary Anatomy, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Ilka Marin
- Institute of Veterinary Anatomy, Department of Veterinary Medicine, Freie Universität Berlin, Berlin, Germany
| | - Barbara Drews
- Division of Veterinary Anatomy, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Sabine Kaessmeyer
- Division of Veterinary Anatomy, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
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Grassedonio E, Incorvaia L, Guarneri M, Guagnini F, Midiri M. Prevention of post-contrast kidney injury in patients with cancer. Drugs Context 2024; 13:2023-11-2. [PMID: 38510312 PMCID: PMC10954291 DOI: 10.7573/dic.2023-11-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 01/24/2024] [Indexed: 03/22/2024] Open
Abstract
Post-contrast acute kidney injury is defined as a nephropathy with an increase in serum creatinine of >0.3 mg/dL (or >26.5 μmol/L) or >1.5-times the baseline within 48-72 h of intravascular administration of a contrast medium. Patients with cancer have an increased risk of post-contrast acute kidney injury not only related to the frequent use of contrast medium for computed tomography scans but also to other factors, including the type of tumour, age, oncological therapies, use of other nephrotoxic agents and dehydration. Preventive strategies were developed and may be applied to different risk profiles. Patients at risk may be detected by recently published risk scores.
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Affiliation(s)
- Emanuele Grassedonio
- Biomedicine Department, Neuroscience and Advance Diagnostics, University of Palermo, Palermo, Italy
| | - Lorena Incorvaia
- Department of Precision Medicine in Medical, Surgical and Critical Care (Me.Pre.C.C.), Section of Medical Oncology, University of Palermo, Palermo, Italy
| | - Marco Guarneri
- Nephrology and Dialysis, Azienda Ospedaliera Universitaria “Paolo Giaccone” Polyclinic, Palermo, Italy
| | - Fabio Guagnini
- GE HealthCare Pharmaceutical Diagnostic (PDx), Milan, Italy
| | - Massimo Midiri
- Biomedicine Department, Neuroscience and Advance Diagnostics, University of Palermo, Palermo, Italy
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Campion D, Ponzo P, Risso A, Caropreso P, Caviglia GP, Sanavia T, Frigo F, Bonetto S, Giovo I, Rizzo M, Martini S, Bugianesi E, Mengozzi G, Marzano A, Manca A, Saracco GM, Alessandria C. A prospective, multicenter, three-cohort study evaluating contrast-induced acute kidney injury (CI-AKI) in patients with cirrhosis. J Hepatol 2024; 80:62-72. [PMID: 37865273 DOI: 10.1016/j.jhep.2023.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 09/30/2023] [Accepted: 10/04/2023] [Indexed: 10/23/2023]
Abstract
BACKGROUND & AIMS Nephrotoxicity of intravenous iodinated contrast media (ICM) in cirrhosis is still a debated issue, due to scarce, low-quality and conflicting evidence. This study aims to evaluate the incidence and predisposing factors of acute kidney injury (AKI) in patients with cirrhosis undergoing contrast-enhanced computed tomography (CECT). METHODS We performed a prospective, multicenter, cohort study including 444 inpatients, 148 with cirrhosis (cohort 1) and 163 without cirrhosis (cohort 3) undergoing CECT and 133 with cirrhosis (cohort 2) unexposed to ICM. Kidney function parameters were assessed at T0, 48-72 h (T1), 5 and 7 days after CECT/enrollment. Urinary neutrophil gelatinase-associated lipocalin (U-NGAL) was measured in 50 consecutive patients from cohort 1 and 50 from cohort 2 as an early biomarker of tubular damage. RESULTS AKI incidence was not significantly increased in patients with cirrhosis undergoing CECT (4.8%, 1.5%, 2.5% in cohorts 1, 2, 3 respectively, p = n.s.). Most AKI cases were mild and transient. The presence of concomitant infections was the only independent predictive factor of contrast-induced AKI (odds ratio 22.18; 95% CI 2.87-171.22; p = 0.003). No significant modifications of U-NGAL between T0 and T1 were detected, neither in cohort 1 nor in cohort 2 (median ΔU-NGAL: +0.2 [-7.6 to +5.5] ng/ml, +0.0 [-6.8 to +9.5] ng/ml, respectively [p = 0.682]). CONCLUSIONS AKI risk after CECT in cirrhosis is low and not significantly different from that of the general population or of the cirrhotic population unexposed to ICM. It mostly consists of mild and rapidly resolving episodes of renal dysfunction and it is not associated with tubular kidney injury. Patients with ongoing infections appear to be the only ones at higher risk of AKI. IMPACT AND IMPLICATIONS Nephrotoxicity due to intravenous iodinated contrast media (ICM) in patients with cirrhosis is still a debated issue, as the available evidence is limited and based on very heterogeneous studies, often conducted on small and retrospective cohorts. In this prospective three-cohort study we found that intravenous administration of ICM was associated with a low risk of AKI, similar to that of the general population and to that of patients with cirrhosis unexposed to ICM. Patients with ongoing infections were the only ones to have a significantly increased risk of contrast-induced AKI. Therefore, the actual recommendations of performing contrast imaging studies cautiously in cirrhosis do not seem to be reasonable anymore, with the exception of infected patients, who have a significantly higher risk of contrast-induced AKI.
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Affiliation(s)
- Daniela Campion
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Paola Ponzo
- Division of Gastroenterology, S. Croce e Carle Hospital, Cuneo, Italy
| | - Alessandro Risso
- Division of Gastroenterology, S. Croce e Carle Hospital, Cuneo, Italy
| | - Paola Caropreso
- Clinical Biochemistry Laboratory, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Gian Paolo Caviglia
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Tiziana Sanavia
- Computational Biomedicine Unit, Department of Medical Sciences, University of Turin, Turin, Italy
| | - Francesco Frigo
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Silvia Bonetto
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Ilaria Giovo
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Martina Rizzo
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Silvia Martini
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Elisabetta Bugianesi
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Giulio Mengozzi
- Clinical Biochemistry Laboratory, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Alfredo Marzano
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Aldo Manca
- Division of Gastroenterology, S. Croce e Carle Hospital, Cuneo, Italy
| | - Giorgio Maria Saracco
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy
| | - Carlo Alessandria
- Division of Gastroenterology and Hepatology, A.O.U. Città della Salute e della Scienza di Torino, University of Turin, Turin, Italy.
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Sarafidis PA, Theodorakopoulou M, Ortiz A, Fernandez-Fernández B, Nistor I, Schmieder R, Arici M, Saratzis A, Van der Niepen P, Halimi JM, Kreutz R, Januszewicz A, Persu A, Cozzolino M. Atherosclerotic renovascular disease: a clinical practice document by the European Renal Best Practice (ERBP) board of the European Renal Association (ERA) and the Working Group Hypertension and the Kidney of the European Society of Hypertension (ESH). Nephrol Dial Transplant 2023; 38:2835-2850. [PMID: 37202218 PMCID: PMC10689166 DOI: 10.1093/ndt/gfad095] [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: 03/04/2023] [Indexed: 05/20/2023] Open
Abstract
Atherosclerotic renovascular disease (ARVD) is the most common type of renal artery stenosis. It represents a common health problem with clinical presentations relevant to many medical specialties and carries a high risk for future cardiovascular and renal events, as well as overall mortality. The available evidence regarding the management of ARVD is conflicting. Randomized controlled trials failed to demonstrate superiority of percutaneous transluminal renal artery angioplasty (PTRA) with or without stenting in addition to standard medical therapy compared with medical therapy alone in lowering blood pressure levels or preventing adverse renal and cardiovascular outcomes in patients with ARVD, but they carried several limitations and met important criticism. Observational studies showed that PTRA is associated with future cardiorenal benefits in patients presenting with high-risk ARVD phenotypes (i.e. flash pulmonary oedema, resistant hypertension or rapid loss of kidney function). This clinical practice document, prepared by experts from the European Renal Best Practice (ERBP) board of the European Renal Association (ERA) and from the Working Group on Hypertension and the Kidney of the European Society of Hypertension (ESH), summarizes current knowledge in epidemiology, pathophysiology and diagnostic assessment of ARVD and presents, following a systematic literature review, key evidence relevant to treatment, with an aim to support clinicians in decision making and everyday management of patients with this condition.
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Affiliation(s)
- Pantelis A Sarafidis
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Marieta Theodorakopoulou
- Department of Nephrology, Hippokration Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, Madrid, Spain
| | | | - Ionut Nistor
- Department of Internal Medicine, Nephrology and Geriatrics, Grigore T Popa University of Medicine and Pharmacy, Iasi, Romania
- Department of Nephrology, Dr C I Parhon University Hospital, Iasi, Romania
| | - Roland Schmieder
- Department of Nephrology and Hypertension, University Hospital Erlangen, Erlangen, Germany
| | - Mustafa Arici
- Department of Nephrology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Athanasios Saratzis
- Department of Cardiovascular Sciences & Leicester Vascular Institute, University Hospital Leicester, Leicester, UK
| | - Patricia Van der Niepen
- Department of Nephrology & Hypertension, Universitair ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jean-Michel Halimi
- Service de Néphrologie-Hypertension, Dialyses, Transplantation rénale, CHRU Tours, Tours, France and INSERM SPHERE U1246, Université Tours, Université de Nantes, Tours, France
| | - Reinhold Kreutz
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institut für Klinische Pharmakologie und Toxikologie, Berlin, Germany
| | - Andrzej Januszewicz
- Department of Hypertension, National Institute of Cardiology, Warsaw, Poland
| | - Alexandre Persu
- Division of Cardiology, Cliniques Universitaires Saint-Luc and Pole of Cardiovascular Research, Institut de Recherche Expérimentale et Clinique, Université Catholique de Louvain, Brussels, Belgium
| | - Mario Cozzolino
- Renal Division, ASST Santi Paolo e Carlo, Department of Health Sciences, University of Milan, Milan, Italy
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8
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Jia Y, Szewczyk-Bieda M, Greenhalgh R, Drinkwater K. Preventing post-contrast acute kidney injury and hypersensitivity reactions: UK national audit. Clin Radiol 2023; 78:e898-e907. [PMID: 37612224 DOI: 10.1016/j.crad.2023.07.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/06/2023] [Accepted: 07/23/2023] [Indexed: 08/25/2023]
Abstract
AIM To audit UK radiology departmental protocols related to the prevention of Iodine-based contrast media (ICM) adverse drug reactions (ADRs) and to assess their compliance with the Royal College of Radiologists (RCR) endorsed Royal Australian and New Zealand College of Radiologists' 2018 Iodinated Contrast Guidelines. MATERIALS AND METHODS Questionnaires were sent to all UK acute National Health Service (NHS) providers treating adult patients with an audit lead registered with the RCR (162 providers encompassing 211 hospital radiology departments). The questionnaire included three main sections: renal function screening, renal protection regimens, and hypersensitivity reactions prevention and follow-up. Data collection was conducted between April and July 2022. RESULTS Sixty-one per cent (129/211) of departments responded, representing 67% of eligible providers. An independent imaging services provider supplied one additional set of data (n=130 overall). Of the responding departments, for post-contrast acute kidney injury (PC-AKI), 41% and 56% had the recommended risk assessment for inpatients and outpatients, respectively. Renal function testing was often over-utilised, and their results were applied improperly. Sixty-eight per cent of departments used the advised threshold for considering renal protection. For hypersensitivity reactions, 9% of departments had the correct risk assessment. Thirty-six per cent of departments had the correct risk mitigation protocol for identified high-risk patients. The documentation and follow-up for hypersensitivity reactions were similarly inadequate. CONCLUSION Local protocols on preventing ICM ADRs were largely non-compliant with RCR guidelines. Departments need to update their protocols in line with current evidence to avoid iatrogenic morbidity or unnecessary tests and over-precaution.
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Affiliation(s)
- Y Jia
- Department of Medicine, Imperial College London, London, UK.
| | - M Szewczyk-Bieda
- Department of Clinical Radiology, Ninewells Hospital, NHS Tayside, Dundee, UK
| | - R Greenhalgh
- Department of Radiology, London North West University Healthcare NHS Trust, London, UK
| | - K Drinkwater
- Directorate of Education and Professional Practice, The Royal College of Radiologists, London, UK
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Newhouse JH. A Control Group Is Necessary for Experiments Designed to Quantitate Nephrotoxic Risk Attributed to Contrast Media. AJR Am J Roentgenol 2023; 221:560. [PMID: 37585738 DOI: 10.2214/ajr.23.29717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
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10
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Mehta R, Sorbo D, Ronco F, Ronco C. Key Considerations regarding the Renal Risks of Iodinated Contrast Media: The Nephrologist's Role. Cardiorenal Med 2023; 13:324-331. [PMID: 37757781 PMCID: PMC10664334 DOI: 10.1159/000533282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/23/2023] [Indexed: 09/29/2023] Open
Abstract
BACKGROUND The administration of iodinated contrast medium during diagnostic and therapeutic procedures has always been associated with the fear of causing acute kidney injury (AKI) or an exacerbation of chronic kidney disease. This has led, on the one hand, to the deterrence, when possible, of the use of contrast medium (preferring other imaging methods with the risk of loss of diagnostic power), and on the other hand, to the trialling of multiple prophylaxis protocols in an attempt to reduce the risk of kidney injury. SUMMARY A literature review on contrast-induced (CI)-AKI risk mitigation strategies was performed, focussing on the recognition of individual risk factors and on the most recent evidence regarding prophylaxis. KEY MESSAGES Nephrologists can contribute significantly in the CI-AKI context, from the early stages of the decision-making process to stratifying patients by risk, individualising prophylaxis measures based on the risk profile, and ensuring appropriate evaluation of kidney function and damage post-procedure to improve care.
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Affiliation(s)
- Ravindra Mehta
- Division of Nephrology-Hypertension University of California – San Diego, San Diego, CA, USA
| | - David Sorbo
- Nephrology, Dialysis and Transplantation Unit, St. Bortolo Hospital, ULSS8 Berica, Vicenza, Italy
| | - Federico Ronco
- Interventional Cardiology – Department of Cardiac Thoracic and Vascular Sciences Ospedale dell’Angelo – Mestre (Venice), Venice, Italy
| | - Claudio Ronco
- Nephrology, Dialysis and Transplantation Unit and International Renal Research Institute, St Bortolo Hospital, ULSS8 Berica, Vicenza, Italy
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11
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Ravn EJ, Hasific S, Thomassen M, Hjortebjerg R, Bach Laursen K, Diederichsen A, Bistrup C, Øvrehus KA. Intravenous versus oral hydration to reduce the risk of postcontrast acute kidney injury after intravenous contrast-enhanced CT in patients with severe chronic kidney disease (ENRICH): a study protocol for a single-centre, parallel-group, open-labelled non-inferiority randomised controlled trial in Denmark. BMJ Open 2023; 13:e074057. [PMID: 37699636 PMCID: PMC10503331 DOI: 10.1136/bmjopen-2023-074057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 08/07/2023] [Indexed: 09/14/2023] Open
Abstract
INTRODUCTION Contrast-enhanced CT (CECT) is widely used for diagnostic purposes. The use of contrast medium carries a risk for postcontrast acute kidney injury (PC-AKI), especially in patients with AKI or chronic kidney disease (CKD). Current guidelines recommend prophylactic intravenous hydration to prevent PC-AKI in high-risk patients. Oral hydration is non-inferior to intravenous hydration in patients with moderate CKD, but it has not been evaluated in high-risk patients. METHODS AND ANALYSIS The ENRICH trial will enrol 254 patients with estimated glomerular filtration rate ≤30 mL/min/1.73 m2 undergoing intravenous CECT, who are block randomised (2-4-2) with stratification for CKD stage, diabetes status, and indication for referral to prophylactic treatment with oral or intravenous hydration. PC-AKI is defined as an absolute increase in SCr of >0.3 mg/dL or >1.5 from baseline at 2-5 days. Renal function will also be evaluated <90 days, <7 days and 1-3 days before intravenous CECT, and 25-40 days after intravenous CECT. Secondary outcomes include dialysis, renal adverse events, hospitalisation due to hydration-related or contrast-related sequelae, and all-cause mortality ≤30 days postcontrast. Pre- and postcontrast plasma and urinary biomarkers will be evaluated for diagnostic and prognostic accuracy of the primary and secondary outcomes. ETHICS AND DISSEMINATION Oral hydration is patient-friendly and less costly compared with intravenous hydration. If oral hydration is non-inferior to intravenous hydration in high-risk patients, it could be implemented as new hydration strategy, which will facilitate the clinical diagnosing of elective patients with severe CKD without unnecessary resource utilisation. The protocol is approved by the Regional Scientific Ethical Committee for Southern Denmark (S-20210126), and the Data Protection Agency (21/66779). The study is conducted in accordance with the Declaration of Helsinki. Positive as well as negative findings will be reported in international peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT05283512.
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Affiliation(s)
| | - Selma Hasific
- Department of Cardiology, Odense University Hospital, Odense, Denmark
| | - Mads Thomassen
- Clinical Genetics, University of Southern Denmark, Odense, Denmark
| | | | | | - Axel Diederichsen
- Department of Cardiology, Odense University Hospital, Odense, Denmark
- Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Claus Bistrup
- Clinical Research, University of Southern Denmark, Odense, Denmark
- Department of Nephrology, Odense University Hospital, Odense, Denmark
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12
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Jeon H, Jang HR. Electronic alerts based on clinical decision support system for post-contrast acute kidney injury. Kidney Res Clin Pract 2023; 42:541-545. [PMID: 37813522 PMCID: PMC10565452 DOI: 10.23876/j.krcp.23.186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 07/20/2023] [Indexed: 10/13/2023] Open
Affiliation(s)
- Hojin Jeon
- Division of Nephrology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Hye Ryoun Jang
- Division of Nephrology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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13
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Miyoshi K, Tanabe M, Ihara K, Tanabe M, Higashi M, Narikiyo K, Kawano Y, Inoue A, Ito K. Dual-Source Contrast-Enhanced Multiphasic CT of the Liver Using Low Voltage (70 kVp): Feasibility of a Reduced Radiation Dose and a 50% of Contrast Dose. Tomography 2023; 9:1568-1576. [PMID: 37736978 PMCID: PMC10514808 DOI: 10.3390/tomography9050125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/05/2023] [Accepted: 08/17/2023] [Indexed: 09/23/2023] Open
Abstract
This study investigated the feasibility of both a reduced radiation dose and a 50% of contrast dose in multiphasic CT of the liver with a 70 kVp protocol compared with a standard-tube-voltage protocol derived from dual-energy (DE) CT (blended DE protocol) with a full-dose contrast-agents in the same patient group. This study included 46 patients who underwent multiphasic contrast-enhanced dynamic CT of the liver with both a 70 kVp and a blended DE protocols. For quantitative analysis, median CT values for the liver, aorta, and portal vein, as well as signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR), were measured and calculated. In addition, as a qualitative analysis, the contrast effect and overall image quality of the abdominal organs were evaluated on a five-point scale. CNR and SNR of the hepatic parenchyma were not significantly different between the 70kV protocol and the Blended DE protocol in all phases. The 70 kVp protocol showed significantly better image quality compared with the blended DE protocol in the arterial phase (p = 0.035) and the equilibrium layer phase (p = 0.016). A 70 kVp CT protocol in combination with a reduced radiation dose and half-dose iodine load is feasible for multiphasic dynamic CT of the liver by maintaining the contrast enhancement effects and image quality in comparison with the blended DE CT protocol.
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Affiliation(s)
- Keisuke Miyoshi
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Masahiro Tanabe
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Kenichiro Ihara
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Masaya Tanabe
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Mayumi Higashi
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Koji Narikiyo
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Yosuke Kawano
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Atsuo Inoue
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
| | - Katsuyoshi Ito
- Department of Radiology, Yamaguchi University Graduate School of Medicine, Ube 755-8505, Japan
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14
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Desai R, Raval M, Adompreh-Fia KS, Nagarajan JS, Ghadge N, Vyas A, Jain A, Paul TK, Sachdeva R, Kumar G. Role of Intravascular Ultrasound in Pulmonary Embolism Patients Undergoing Mechanical Thrombectomy: A Systematic Review. Tomography 2023; 9:1393-1407. [PMID: 37489479 PMCID: PMC10366920 DOI: 10.3390/tomography9040111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/11/2023] [Accepted: 07/12/2023] [Indexed: 07/26/2023] Open
Abstract
BACKGROUND Traditionally, mechanical thrombectomy performed for pulmonary embolism (PE) necessitates the utilization of iodinated contrast. Intravascular ultrasound (IVUS) has been used as a diagnostic and therapeutic modality in the management of acute high and intermediate-risk PE. Recently, with the shortage of contrast supplies and the considerable incidence of contrast-induced acute kidney injury (CI-AKI), other safer and more feasible IVUS methods have become desirable. The purpose of this systematic review was to evaluate the importance of IVUS in patients with PE undergoing thrombectomy. METHODS Medline/PubMed, Embase, Scopus, and Google Scholar were searched for review studies, case reports, and case series. Clinical characteristics, outcomes and the usage of IVUS-guided mechanical thrombectomy during the treatment of acute high and intermediate-risk PE were examined in a descriptive analysis. RESULTS In this systematic review, we included one prospective study, two case series, and two case reports from July 2019 to May 2023. A total of 39 patients were evaluated; most were female (53.8%). The main presenting symptoms were dyspnea and chest pain (79.5%); three patients (7.9%) presented with syncope, one with shock and one with cardiac arrest. Biomarkers (troponin and BNP) were elevated in 94.6% of patients. Most patients (87.2%) had intermediate-risk PE, and 12.8% had high-risk PE. All patients presented with right-heart strain (RV/LV ratio ≥ 0.9, n = 39). Most patients (56.4%) had bilateral PE. Mechanical thrombectomy was performed using IVUS without contrast utilization in 39.4% of the patients. After the initial learning curve, contrast usage decreased gradually over time. There was a significant decrease in the composite mean arterial pressure immediately following IVUS-guided thrombectomy from 35.1 ± 7.2 to 25.2 ± 8.3 mmHg (p < 0.001). Post-procedure, there was no reported (0%) CI-AKI, no all-cause mortality, no major bleeding, or other adverse events. There was a significant improvement in symptoms and RV function at the mean follow-up. CONCLUSIONS New evidence suggests that IVUS-guided mechanical thrombectomy is safe, with visualization of the thrombus for optimal intervention, and reduces contrast exposure.
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Affiliation(s)
- Rupak Desai
- Division of Cardiology, Atlanta VA Medical Center, Decatur, GA 30033, USA
| | - Maharshi Raval
- Department of Internal Medicine, Landmark Medical Center, Woonsocket, RI 02895, USA
| | | | | | | | - Ankit Vyas
- Department of Internal Medicine, Baptist Hospitals of Southeast Texas, Beaumont, TX 77701, USA
| | - Akhil Jain
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Timir K Paul
- Division of Cardiology, Saint Thomas Heart Institute, University of Tennessee Health Sciences Center, Nashville, TN 37205, USA
| | - Rajesh Sachdeva
- Division of Cardiology, Atlanta VA Medical Center, Decatur, GA 30033, USA
| | - Gautam Kumar
- Division of Cardiology, Atlanta VA Medical Center, Decatur, GA 30033, USA
- Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322, USA
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15
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Park MS, Ha HI, Ahn JH, Lee IJ, Lim HK. Reducing contrast-agent volume and radiation dose in CT with 90-kVp tube voltage, high tube current modulation, and advanced iteration algorithm. PLoS One 2023; 18:e0287214. [PMID: 37319309 PMCID: PMC10270572 DOI: 10.1371/journal.pone.0287214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/31/2023] [Indexed: 06/17/2023] Open
Abstract
Increasing utilization of computed tomography (CT) has raised concerns regarding CT radiation dose and technology has been developed to achieve an appropriate balance between image quality, radiation dose, and the amount of contrast material. This study was planned to evaluate the image quality and radiation dose in pancreatic dynamic computed tomography (PDCT) with 90-kVp tube voltage and reduction of the standard amount of contrast agent, compared with 100-kVp PDCT of the research hospital's convention. Total of 51 patients with both CT protocols were included. The average Hounsfield units (HU) values of the abdominal organs and image noise were measured for objective image quality analysis. Two radiologists evaluated five categories of image qualities such as subjective image noise, visibility of small structure, beam hardening or streak artifact, lesion conspicuity and overall diagnostic performance for subjective image quality analysis. The total amount of contrast agent, radiation dose, and image noise decreased in the low-kVp group, by 24.4%, 31.7%, and 20.6%, respectively (p < 0.001). The intraobserver and interobserver agreements were moderate to substantial (k = 0.4-0.8). The contrast-to-noise ratio (CNR), signal-to-noise ratio (SNR), and figure of merit of the almost organs except psoas muscle in the low-kVp group were significantly higher (p < 0.001). Except for lesion conspicuity, both reviewers judged that subjective image quality of the 90-kVp group was better (p < 0.001). With 90-kVp tube voltage, 25% reduced contrast agent volume with advanced iteration algorithm and high tube current modulation achieved radiation dose reduction of 31.7%, as well as better image quality and diagnostic confidence.
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Affiliation(s)
- Min Su Park
- Department of Radiology, Hallym University Sacred Heart Hospital, Anyang-si, Gyeonggi-do, Republic of Korea
| | - Hong Il Ha
- Department of Radiology, Hallym University Sacred Heart Hospital, Anyang-si, Gyeonggi-do, Republic of Korea
| | - Jhii-Hyun Ahn
- Department of Radiology, Yonsei University Wonju College of Medicine, Wonju Severance Christian Hospital, Wonju, Gangwon-do, Republic of Korea
| | - In Jae Lee
- Department of Radiology, Hallym University Sacred Heart Hospital, Anyang-si, Gyeonggi-do, Republic of Korea
| | - Hyun Kyung Lim
- Department of Radiology, Soonchunhyang University Seoul Hospital, Seoul, Republic of Korea
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16
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Gupta D, Roy I, Gandhi S. Metallic nanoparticles for CT-guided imaging of tumors and their therapeutic applications. OPENNANO 2023. [DOI: 10.1016/j.onano.2023.100146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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17
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Ruff C, Artzner C, Nikoalou K, Grözinger G. Atherosclerotic plaque composition and specific endovascular considerations in the end stage renal disease patients: a narrative review. Cardiovasc Diagn Ther 2023; 13:133-146. [PMID: 36864951 PMCID: PMC9971292 DOI: 10.21037/cdt-22-53] [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: 01/28/2022] [Accepted: 05/13/2022] [Indexed: 11/06/2022]
Abstract
Background and Objective Vascular calcification (VC) and resulting vascular disease is one of the major causes of cardiovascular morbidity and mortality in patients with chronic kidney disease (CKD). CKD itself is increasingly recognized as a risk factor for cardiac and peripheral arterial disease (PAD). This paper examines the atherosclerotic plaque composition and specific endovascular considerations in the end stage renal disease (ESRD) patients. The literature was reviewed regarding the current status of medical and interventional management arteriosclerotic disease in patients with CKD. Lastly, three representative cases displaying typical endovascular treatment options are provided. Methods A literature search was performed in PubMed covering publications up to September 2021 as well as discussion with experts in the field. Key Content and Findings The high prevalence of atherosclerotic lesions in patients with chronic renal failure and high (re-)stenosis cause problems in the medium and long term as vascular calcium load represents one of the most widely encountered predictors of failure of endovascular treatment of PAD and future cardiovascular events (e.g., coronary calcium score). Patients with CKD also suffer from a greater risk for major vascular adverse events in general and worse revascularization outcomes following peripheral vascular intervention. A correlation between calcium burden and drug-coated balloon (DCB) performance has been established for PAD necessitating the need for different tools to cope with vascular calcium such as endoprosthesis or braided stents. Patients with CKD are at a higher risk of developing contrast-induced nephropathy (CIN). In addition to recommendations such as the administration of intravenous fluids, carbon dioxide (CO2) angiography is one option to potentially provide an effective and safe alternative both to iodine-based contrast media allergy and to the use of iodine-based contrast media in patients with CKD. Conclusions Management and endovascular procedures of patients with ESRD are complex. In the course of time, new endovascular therapy methods have been developed such as directional atherectomy (DA) and the so-called "pave-and-crack" technique to deal with high vascular calcium burden. Besides interventional therapy, vascular patients with CKD benefit from aggressive medical management.
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Affiliation(s)
- Christer Ruff
- Department of Neuroradiology, University Hospital Tuebingen, Tuebingen, Germany;,Department of Radiology, University Hospital Tuebingen, Tuebingen, Germany
| | - Christoph Artzner
- Department of Radiology, University Hospital Tuebingen, Tuebingen, Germany
| | | | - Gerd Grözinger
- Department of Radiology, University Hospital Tuebingen, Tuebingen, Germany
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18
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Al-Mosawi M, Mousa BA, Almohana S, Hadi NR. THE RISK OF ACUTE KIDNEY INJURY AFTER ELECTIVE VERSUS EMERGENCY CORONARY INTERVENTION. WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2023; 75:3010-3017. [PMID: 36723319 DOI: 10.36740/wlek202212120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The aim: A serious and common complication after percutaneous coronary intervention is acute kidney injury, which is associated with an increased risk of renal, cardiovascular and even mortality; therefore, early prognosis and identification of patients at higher risk are essential for early initiation of preventive measures. The aim of this study is to predict and compare the risk for the development of CI-AKI in patient with ACS who undergo emergency PCI or elective (i.e. after medical stabilization) PCI by utilizing the sensitivity of serum NGAL as an early and reliable predictor for CI-AK. PATIENTS AND METHODS Materials and methods: The study include 37 patients with acute coronary syndrome, baseline serum creatinine, complete blood count and pre and two hours post operative serum neutrophil gelatinase-associated lipocalin were measured and all patients underwent percutaneous coronary intervention according to the standard protocol used in Al Najaf Cardiac Center. RESULTS Results: This is a Two-Arm study that included a total of 37 patients with acute coronary syndrome aged 38-83 years. Eighteen of them had emergency percutaneous coronary intervention while the remaining 19 had elective percutaneous coronary intervention (after medical stabilization). Elevation of serum neutrophil gelatinase-associated lipocalin level two hours after percutaneous coronary intervention was found to be significantly higher among emergency percutaneous coronary intervention group compared to elective group. CONCLUSION Conclusions: Acute coronary syndrome patients are undergoing emergency percutaneous coronary intervention are at an increasing risk for the development of contrast induced acute kidney injury than those undergoing elective percutaneous coronary intervention.
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Affiliation(s)
| | - Bashar Abed Mousa
- DEPARTMENT OF NEPHROLOGY AND RENAL TRANSPLANT CENTRE, AL-SADER TEACHING HOSPITAL, NAJAF, IRAQ
| | - Sadiq Almohana
- DEPARTMENT OF MEDICINE, FACULTY OF MEDICINE, UNIVERSITY OF KUFA, NAJAF, IRAQ
| | - Najah R Hadi
- DEPARTMENT OF PHARMACOLOGY & THERAPEUTICS, FACULTY OF MEDICINE, UNIVERSITY OF KUFA, NAJAF, IRAQ
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19
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Langenbach MC, Sandstede J, Sieren MM, Barkhausen J, Gutberlet M, Bamberg F, Lehmkuhl L, Maintz D, Naehle CP. German Radiological Society and the Professional Association of German Radiologists Position Paper on Coronary computed tomography: Clinical Evidence and Quality of Patient Care in Chronic Coronary Syndrome. ROFO-FORTSCHR RONTG 2023; 195:115-134. [PMID: 36634682 DOI: 10.1055/a-1973-9687] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
This position paper is a joint statement of the German Radiological Society (DRG) and the Professional Association of German Radiologists (BDR), which reflects the current state of knowledge about coronary computed tomography. It is based on preclinical and clinical studies that have investigated the clinical relevance as well as the technical requirements and fundamentals of cardiac computed tomography. CITATION FORMAT: · Langenbach MC, Sandstede J, Sieren M et al. DRG and BDR Position Paper on Coronary CT: Clinical Evidence and Quality of Patient Care in Chronic Coronary Syndrome. Fortschr Röntgenstr 2023; 195: 115 - 133.
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Affiliation(s)
- Marcel C Langenbach
- Institute for Diagnostic and Interventional Radiology, University Hospital Cologne, Koln, Germany.,Cardiovascular Imaging Research Center, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jörn Sandstede
- Radiologische Allianz, Hamburg, Germany.,Berufsverband der deutschen Radiologen e. V. (BDR), München, Deutschland
| | - Malte M Sieren
- Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein Campus Luebeck, Lübeck, Germany
| | - Jörg Barkhausen
- Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein Campus Luebeck, Lübeck, Germany
| | - Matthias Gutberlet
- Department of Diagnostic and Interventional Radiology, Leipzig Heart Centre University Hospital, Leipzig, Germany
| | - Fabian Bamberg
- Department of Diagnostic and Interventional Radiology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Lukas Lehmkuhl
- Department for Diagnostic and Interventional Radiology, RHÖN Clinic, Campus Bad Neustadt, Germany
| | - David Maintz
- Institute for Diagnostic and Interventional Radiology, University Hospital Cologne, Koln, Germany
| | - Claas P Naehle
- Institute for Diagnostic and Interventional Radiology, University Hospital Cologne, Koln, Germany.,Radiologische Allianz, Hamburg, Germany
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20
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Langenbach MC, Sandstede J, Sieren MM, Barkhausen J, Gutberlet M, Bamberg F, Lehmkuhl L, Maintz D, Nähle CP. [German Radiological Society and the Professional Association of German Radiologists position paper on coronary computed tomography: clinical evidence and quality of patient care in chronic coronary syndrome]. RADIOLOGIE (HEIDELBERG, GERMANY) 2023; 63:1-19. [PMID: 36633613 PMCID: PMC9838426 DOI: 10.1007/s00117-022-01096-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 11/14/2022] [Indexed: 01/13/2023]
Abstract
This position paper is a joint statement of the German Radiological Society (DRG) and the Professional Association of German Radiologists (BDR), which reflects the current state of knowledge about coronary computed tomography (CT). It is based on preclinical and clinical studies that have investigated the clinical relevance as well as the technical requirements and fundamentals of cardiac computed tomography.
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Affiliation(s)
- M C Langenbach
- Institut für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Köln, Köln, Deutschland.
- Cardiovascular Imaging Research Center, Department of Radiology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
| | - J Sandstede
- Radiologische Allianz, Hamburg, Deutschland
- Berufsverband der deutschen Radiologen e. V. (BDR), München, Deutschland
| | - M M Sieren
- Klinik für Radiologie und Nuklearmedizin, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Lübeck, Deutschland
| | - J Barkhausen
- Klinik für Radiologie und Nuklearmedizin, Universitätsklinikum Schleswig-Holstein, Campus Lübeck, Lübeck, Deutschland
| | - M Gutberlet
- Abteilung für Diagnostische und Interventionelle Radiologie, Herzzentrum Leipzig - Universität Leipzig, Leipzig, Deutschland
| | - F Bamberg
- Medizinische Fakultät, Abteilung für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Freiburg, Freiburg, Deutschland
| | - L Lehmkuhl
- Abteilung für Diagnostische und Interventionelle Radiologie, RHÖN Klinik, Campus Bad Neustadt, Bad Neustadt, Deutschland
| | - D Maintz
- Institut für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Köln, Köln, Deutschland
| | - C P Nähle
- Institut für Diagnostische und Interventionelle Radiologie, Universitätsklinikum Köln, Köln, Deutschland
- Radiologische Allianz, Hamburg, Deutschland
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21
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Shin SH, Wendland MF, Wang J, Velasquez M, Vandsburger MH. Noninvasively differentiating acute and chronic nephropathies via multiparametric urea-CEST, nuclear Overhauser enhancement-CEST, and quantitative magnetization transfer MRI. Magn Reson Med 2023; 89:774-786. [PMID: 36226662 PMCID: PMC11027791 DOI: 10.1002/mrm.29477] [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: 06/15/2022] [Revised: 08/26/2022] [Accepted: 09/14/2022] [Indexed: 12/13/2022]
Abstract
PURPOSE Standardized blood tests often lack adequate sensitivity and specificity to capture the gradual progression of renal injuries. We suggest a multiparametric molecular MRI approach as a noninvasive tool for monitoring renal function loss and distinguishing different types of renal injuries. METHODS CEST and quantitative magnetization transfer (qMT) imaging were performed on cisplatin (n = 16) and aristolochic acid (AA)-induced nephropathy (n = 22) mouse models at 7T with an infusion of either saline or urea. Seven-pool Lorentzian fitting was applied for the analysis of CEST Z-spectra, and the T1 -corrected CEST contrast apparent exchange-dependent relaxation (AREX) from urea (+1 ppm) and two nuclear Overhauser enhancement (NOE) pools (-1.6 and -3.5 ppm) were measured. Similarly, qMT spectra were fitted into two-pool Ramani equation and the relative semi-solid macromolecular pool-size ratio was measured. Histology of mouse kidneys was performed to validate the MR findings. RESULTS AA model showed disrupted spatial gradients of urea in the kidney and significantly decreased NOE CEST and qMT contrast. The cisplatin model showed slightly decreased qMT contrast only. The orrelation of MR parameters to histological features showed that NOE CEST and qMT imaging are sensitive to both acute and chronic injuries, whereas urea CEST shows a significant correlation only to acute injuries. CONCLUSION These results indicate that our multiparametric approach allows comprehensive and totally noninvasive monitoring of renal function and histological changes for distinguishing different nephropathies.
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Affiliation(s)
- Soo Hyun Shin
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA
| | - Michael F. Wendland
- Berkeley Preclinical Imaging Core (BPIC), University of California, Berkeley, Berkeley, CA
| | - Jingshen Wang
- Department of Biostatistics, University of California, Berkeley, Berkeley, CA
| | - Mark Velasquez
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA
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22
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Attia MF, Akasov R, Elbaz NM, Owens TC, Curtis EC, Panda S, Santos-Oliveira R, Alexis F, Kievit FM, Whitehead DC. Radiopaque Iodosilane-Coated Lipid Hybrid Nanoparticle Contrast Agent for Dual-Modality Ultrasound and X-ray Bioimaging. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54389-54400. [PMID: 36449986 DOI: 10.1021/acsami.2c09104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Here, we report the synthesis of robust hybrid iodinated silica-lipid nanoemulsions (HSLNEs) for use as a contrast agent for ultrasound and X-ray applications. We engineered iodinated silica nanoparticles (SNPs), lipid nanoemulsions, and a series of HSLNEs by a low-energy spontaneous nanoemulsification process. The formation of a silica shell requires sonication to hydrolyze and polymerize/condensate the iodomethyltrimethoxysilane at the oil/water interface of the nanoemulsion droplets. The resulting nanoemulsions (NEs) exhibited a homogeneous spherical morphology under transmission electron microscopy. The particles had diameters ranging from 20 to 120 nm with both negative and positive surface charges in the absence and presence of cetyltrimethylammonium bromide (CTAB), respectively. Unlike CTAB-coated nanoformulations, the CTAB-free NEs showed excellent biocompatibility in murine RAW macrophages and human U87-MG cell lines in vitro. The maximum tolerated dose assessment was evaluated to verify their safety profiles in vivo. In vitro X-ray and ultrasound imaging and in vivo computed tomography were used to monitor both iodinated SNPs and HSLNEs, validating their significant contrast-enhancing properties and suggesting their potential as dual-modality clinical agents in the future.
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Affiliation(s)
- Mohamed F Attia
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599, United States
| | - Roman Akasov
- Federal Scientific Research Centre "Crystallography and Photonics" of RAS, 59 Leninsky Avenue, Moscow119333, Russia
- I.M. Sechenov First Moscow State Medical University, Trubetskaya Street 8-2, Moscow119991, Russia
| | - Nancy M Elbaz
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Chapel Hill, North Carolina27599, United States
| | - Tyler C Owens
- Center for Nanotechnology in Drug Delivery and Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina27599, United States
| | - Evan C Curtis
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska68583-0900, United States
| | - Soham Panda
- Department of Chemistry, Clemson University, Clemson, South Carolina29634, United States
| | - Ralph Santos-Oliveira
- Brazilian Nuclear Energy Commission, Nuclear Engineering Institute, Argonauta Nuclear Reactor Center, Rio de Janeiro21941906, Brazil
- Laboratory of Radiopharmacy and Nanoradiopharmaceuticals, Zona Oeste State University, Rio de Janeiro23070-200, Brazil
| | - Frank Alexis
- Departamento de Ingeniería Química, Colegio de Ciencias e Ingenierías, Universidad San Francisco de Quito USFQ, Quito170901, Ecuador
| | - Forrest M Kievit
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska68583-0900, United States
| | - Daniel C Whitehead
- Department of Chemistry, Clemson University, Clemson, South Carolina29634, United States
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Chaudhari H, Mahendrakar S, Baskin SE, Reddi AS. Contrast-Induced Acute Kidney Injury: Evidence in Support of Its Existence and a Review of Its Pathogenesis and Management. Int J Nephrol Renovasc Dis 2022; 15:253-266. [PMID: 36311164 PMCID: PMC9604418 DOI: 10.2147/ijnrd.s371700] [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: 04/21/2022] [Accepted: 08/10/2022] [Indexed: 11/06/2022] Open
Abstract
The role of contrast-induced nephropathy (CIN) remains controversial. Many experts contend that CIN does not exist or is extremely rare. The diagnosis was previously made too frequently and inappropriately in the presence of coexisting and confounding comorbidities and risk factors making it difficult to singularly isolate the etiologic role of intravenous contrast media in acute kidney injury (AKI). It is probable that many patients were denied important diagnostic information from radiocontrast studies for fear of CIN. Recently, a new terminology for CIN was introduced, and the term CIN was replaced by two interrelated new terms: one is contrast-associated acute kidney injury (CA-AKI), and the second one is contrast-induced acute kidney injury (CI-AKI). CA-AKI occurs in association with risk factors or comorbidities, therefore, it is a correlative diagnosis. On the other hand, CI-AKI is a subtype of CA-AKI that results directly from iodinated contrast media. In this review, we present evidence from various studies that argue against CI-AKI and also those that suggest its existence but with much lower frequency. We will also provide the current status of the pathophysiology and management of CA-AKI/CI-AKI.
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Affiliation(s)
- Harshad Chaudhari
- Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ, USA,Correspondence: Harshad Chaudhari, Email
| | - Smita Mahendrakar
- Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Stuart E Baskin
- Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ, USA
| | - Alluru S Reddi
- Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ, USA
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24
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Sprangers B, Perazella MA, Lichtman SM, Rosner MH, Jhaveri KD. Improving Cancer Care for Patients With CKD: The Need for Changes in Clinical Trials. Kidney Int Rep 2022; 7:1939-1950. [PMID: 36090489 PMCID: PMC9458993 DOI: 10.1016/j.ekir.2022.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/10/2022] [Accepted: 06/06/2022] [Indexed: 11/06/2022] Open
Abstract
Chemotherapeutic agents used to treat cancer generally have narrow therapeutic indices along with potentially serious adverse toxicities. Many cancer drugs are at least partially excreted through the kidney and, thus, the availability of accurate data on safe and effective dosing of these drugs in patients with chronic kidney disease (CKD) is essential to guide treatment decisions. Typically, during drug development, initial clinical studies only include patients with normal or only mildly impaired kidney function. In subsequent preregistration studies, a limited number of patients with more severe kidney dysfunction are included. Data obtained from patients with either severe kidney dysfunction (here defined as an estimated glomerular filtration rate [eGFR] < 30 ml/min or stage 4G CKD) or end-stage kidney disease (ESKD) requiring kidney replacement treatment are particularly limited before drug registration and only a minority of new drug applications to the US Food and Drug Administration (FDA) include data from this population. Unfortunately, limited data and/or other safety concerns may result in a manufacturer statement that the drug is contraindicated in patients with advanced kidney disease, which hinders access to potentially beneficial drugs for these patients. This systemic exclusion of patients with CKD from cancer drug trials remains an unsolved problem, which prevents provision of optimal clinical care for these patients, raises questions of inclusion, diversity, and equity. In addition, with the aging of the population, there are increasing numbers of patients with CKD and cancer who face these issues. In this review, we evaluate the scientific basis to exclude patients with CKD from cancer trials and propose a comprehensive strategy to address this problem.
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Affiliation(s)
- Ben Sprangers
- Department of Microbiology and Immunology, Laboratory of Molecular Immunology, Rega Institute, KU Leuven, Leuven, Belgium
- Division of Nephrology, University Hospitals Leuven, Leuven, Belgium
| | - Mark A. Perazella
- Section of Nephrology, Yale University School of Medicine, New Haven, Connecticut, USA
- Veterans Affairs Medical Center, West Haven, Connecticut, USA
| | - Stuart M. Lichtman
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA
| | - Mitchell H. Rosner
- Division of Nephrology, University of Virginia Health System, Charlottesville, Virginia, USA
| | - Kenar D. Jhaveri
- Division of Kidney Diseases and Hypertension, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Great Neck, New York, USA
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25
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Fluid administration strategies for the prevention of contrast-associated acute kidney injury. Curr Opin Nephrol Hypertens 2022; 31:414-424. [PMID: 35894275 DOI: 10.1097/mnh.0000000000000815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW The known timing of contrast media exposure in patients identified as high-risk for contrast-associated acute kidney injury (CA-AKI) enables the use of strategies to prevent this complication of intravascular contrast media exposure. Although multiple preventive strategies have been proposed, periprocedural fluid administration remains as the primary preventive strategy. This is a critical review of the current evidence evaluating a variety of fluid administration strategies in CA-AKI. RECENT FINDINGS Fluid administration strategies to prevent CA-AKI include comparisons of intravenous (i.v.) to no fluid administration, different fluid solutions, duration of fluid administration, oral hydration, left ventricular end diastolic-pressure guided fluid administration and forced diuresis techniques. SUMMARY Despite an abundance of fluid administration trials, it is difficult to make definitive recommendations about preventive fluid administration strategies due to low scientific quality of published studies. The literature supports use of i.v. compared with no fluid administration, especially in high-risk patients undergoing intra-arterial contrast media exposure. Use of isotonic saline is recommended over 0.45% saline or isotonic sodium bicarbonate. Logistical considerations support shortened over longer i.v. fluid administration strategies, despite an absence of evidence of equivalent efficacy. Current literature does not support oral hydration for high-risk patients. The use of tailored fluid administration in heart failure patients and forced diuresis with matching fluid administration are promising new fluid administration strategies.
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26
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Risk of acute kidney injury after contrast-enhanced computerized tomography: a systematic review and meta-analysis of 21 propensity score-matched cohort studies. Eur Radiol 2022; 32:8432-8442. [PMID: 35727320 DOI: 10.1007/s00330-022-08916-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/07/2022] [Accepted: 05/30/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVES Intravenous application of contrast media is part of a wide spectrum of diagnostic procedures for better imaging quality. Clinical avoidance of contrast-enhanced imaging is an ever-present quandary in patients with impaired kidney function. The objective of this study was to estimate the risk for acute kidney injury (AKI), dialysis and mortality among patients undergoing contrast-enhanced CT compared to propensity score-matched controls (i.e. contrast-unenhanced CT). Selected cohort studies featured high-risk patients with advanced kidney disease and critical illness. METHODS This review was designed to conform to the Preferred Reporting Items in Systematic Reviews and Meta-Analysis (PRISMA) guidelines. PubMed was searched from August 2021 to November 2021 for all-language articles without date restriction. A random-effects model (DerSimonian and Laird method) was used for meta-analysis. RESULTS Twenty-one articles were included, comprising data of 169,455 patients. The overall risk of AKI was similar in the contrast-enhanced and unenhanced groups (OR: 0.97 [95% CI: 0.85; 1.11], p = 0.64), regardless of baseline renal function and underlying disease. Substantial heterogeneity was detected (I2 = 90%, p ≤ 0.0001). Multivariable logistic regression identified hypertension (p = 0.03) and estimated glomerular filtration rate (eGFR) ≤ 30 mL/min/1.73 m2 (p = 0.0001) as factors associated with greater risk of post-contrast AKI. CONCLUSIONS Based on propensity score-matched pairs obtained from 21 cohort studies, we found no evidence for increased risk for AKI, dialysis or mortality after contrast-enhanced CT among patients with eGFR ≥ 45 mL/min/1.73 m2. In congruence with the emerging evidence in the literature, caution should be exercised in patients with hypertension and eGFR ≤ 30 mL/min/1.73 m2. KEY POINTS • The application of contrast media for medical imaging is not associated with higher odds for AKI, induction of renal replacement therapy, or mortality. Many comorbidities traditionally associated with greater risk for acute kidney injury do not appear to predispose for renal decline after contrast media exposure. • Underlying hypertension and eGFR less than or equal to 30 mL/min/1.73 m2 seem to predispose for post-contrast acute kidney injury. • Propensity score matching cannot account for unmeasured influences on AKI incidence, which needs to be addressed in the interpretation of results.
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Precisely translating computed tomography diagnosis accuracy into therapeutic intervention by a carbon-iodine conjugated polymer. Nat Commun 2022; 13:2625. [PMID: 35551194 PMCID: PMC9098856 DOI: 10.1038/s41467-022-30263-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 04/23/2022] [Indexed: 12/24/2022] Open
Abstract
X-ray computed tomography (CT) has an important role in precision medicine. However, CT contrast agents with high efficiency and the ability to translate diagnostic accuracy into therapeutic intervention are scarce. Here, poly(diiododiacetylene) (PIDA), a conjugated polymer composed of only carbon and iodine atoms, is reported as an efficient CT contrast agent to bridge CT diagnostic imaging with therapeutic intervention. PIDA has a high iodine payload (>84 wt%), and the aggregation of nanofibrous PIDA can further amplify CT intensity and has improved geometrical and positional stability in vivo. Moreover, with a conjugated backbone, PIDA is in deep blue color, making it dually visible by both CT imaging and the naked eyes. The performance of PIDA in CT-guided preoperative planning and visualization-guided surgery is validated using orthotopic xenograft rat models. In addition, PIDA excels clinical fiducial markers of imaging-guided radiotherapy in efficiency and biocompatibility, and exhibits successful guidance of robotic radiotherapy on Beagles, demonstrating clinical potential to translate CT diagnosis accuracy into therapeutic intervention for precision medicine.
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28
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The Image Quality and Diagnostic Performance of CT with Low-Concentration Iodine Contrast (240 mg Iodine/mL) for the Abdominal Organs. Diagnostics (Basel) 2022; 12:diagnostics12030752. [PMID: 35328304 PMCID: PMC8947528 DOI: 10.3390/diagnostics12030752] [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: 02/18/2022] [Revised: 03/11/2022] [Accepted: 03/17/2022] [Indexed: 11/17/2022] Open
Abstract
Purpose: To evaluate the difference between CT examinations using 240 mgI/mL contrast material (CM) and 320 mgI/mL CM in the contrast enhancement of the abdominal organs and the diagnostic performance for focal hepatic lesions. Materials and methods: This retrospective study included 422 CT examinations, using 240 mgI/mL iohexol (Group A, 206 examinations) and 320 mgI/mL ioversol (Group B, 216 examinations), performed between April 2019 and May 2020. Two CT scanners (single-source CT (machine A) and dual-source CT (machine B)) were used to obtain CT images. Two radiologists independently drew regions of interest (ROIs) in the liver, pancreas, spleen, kidney, aorta, portal vein, and paraspinal muscle. The signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) were calculated for each organ. They evaluated the degree of subjective enhancement of the organs and detected/differentiated focal hepatic lesions. Results: The SNR, CNR, and subjective enhancement of most organs were significantly higher in Group B than in Group A (p < 0.05). The sensitivity and specificity for cysts and malignancy were higher than 85.0% in both groups. The sensitivity for hemangioma was lower in Group B (<75%) than in Group A. In Group A, the SNR and CNR were significantly higher in most organs with machine B than with machine A. Conclusion: Although the SNR and CNR of the abdominal organs were lower with 240 mgI/mL CM than with 320 mgI/mL CM, 240 mgI/mL CM was feasible for evaluating the liver. A CT scanner with more advanced specifications may be beneficial for examinations with 240 mgI/mL CM by using lower tube voltage.
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29
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Orlacchio A, Guastoni C, Beretta GD, Cosmai L, Galluzzo M, Gori S, Grassedonio E, Incorvaia L, Marcantoni C, Netti GS, Passamonti M, Porta C, Procopio G, Rizzo M, Roma S, Romanini L, Stacul F, Casinelli A. SIRM-SIN-AIOM: appropriateness criteria for evaluation and prevention of renal damage in the patient undergoing contrast medium examinations-consensus statements from Italian College of Radiology (SIRM), Italian College of Nephrology (SIN) and Italian Association of Medical Oncology (AIOM). Radiol Med 2022; 127:534-542. [PMID: 35303246 PMCID: PMC9098565 DOI: 10.1007/s11547-022-01483-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/08/2022] [Indexed: 11/04/2022]
Abstract
The increasing number of examinations and interventional radiological procedures that require the administration of contrast medium (CM) in patients at risk for advanced age and/or comorbidities highlights the problem of CM-induced renal toxicity. A multidisciplinary group consisting of specialists of different disciplines—radiologists, nephrologists and oncologists, members of the respective Italian Scientific Societies—agreed to draw up this position paper, to assist clinicians increasingly facing the challenges posed by CM-related renal dysfunction in their daily clinical practice. The major risk factor for acute renal failure following CM administration (post-CM AKI) is the preexistence of renal failure, particularly when associated with diabetes, heart failure or cancer. In accordance with the recent guidelines ESUR, the present document reaffirms the importance of renal risk assessment through the evaluation of the renal function (eGFR) measured on serum creatinine and defines the renal risk cutoff when the eGFR is < 30 ml/min/1.73 m2 for procedures with intravenous (i.v.) or intra-arterial (i.a.) administration of CM with renal contact at the second passage (i.e., after CM dilution with the passage into the pulmonary circulation). The cutoff of renal risk is considered an eGFR < 45 ml/min/1.73 m2 in patients undergoing i.a. administration with first-pass renal contact (CM injected directly into the renal arteries or in the arterial district upstream of the renal circulation) or in particularly unstable patients such as those admitted to the ICU. Intravenous hydration using either saline or Na bicarbonate solution before and after CM administration represents the most effective preventive measure in patients at risk of post-CM AKI. In the case of urgency, the infusion of 1.4% sodium bicarbonate pre- and post-CM may be more appropriate than the administration of saline. In cancer patients undergoing computed tomography, pre- and post-CM hydration should be performed when the eGFR is < 30 ml/min/1.73 m2 and it is also advisable to maintain a 5 to 7 days interval with respect to the administration of cisplatin and to wait 14 days before administering zoledronic acid. In patients with more severe renal risk (i.e., with eGFR < 20 ml/min/1.73 m2), particularly if undergoing cardiological interventional procedures, the prevention of post-CM AKI should be implemented through an internal protocol shared between the specialists who treat the patient. In magnetic resonance imaging (MRI) using gadolinium CM, there is a lower risk of AKI than with iodinated CM, particularly if doses < 0.1 mmol/kg body weight are used and in patients with eGFR > 30 ml/min/1.73 m2. Dialysis after MRI is indicated only in patients already undergoing chronic dialysis treatment to reduce the potential risk of systemic nephrogenic fibrosis.
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Affiliation(s)
- Antonio Orlacchio
- Radiology Unit, Department of Surgical Science, University of Rome "Tor Vergata", Rome, Italy. .,Emergency Radiology, Policlinico Tor Vergata, Viale Oxford, 81, 00133, Rome, Italy.
| | | | | | - Laura Cosmai
- Nephology Unit, Azienda Ospedaliera San Carlo Borromeo di Milano, Milan, Italy
| | - Michele Galluzzo
- Emergency Radiology, Azienda Ospedaliera San Camillo-Forlanini, Rome, Italy
| | - Stefania Gori
- Department of Oncology, IRCC Ospedale Sacro Cuore Don Calabria, Negrar Valpolicella, Italy
| | | | | | - Carmelita Marcantoni
- Nephology UnitSan Marco Hospital, Azienda Ospedaliero Universitaria, Catania, Italy
| | | | | | | | - Giuseppe Procopio
- Genito-Urinary Medical Oncology, Fondazione Istituto Nazionale Tumori, Milano, Italy
| | - Mimma Rizzo
- Oncology Unit, Hospital Santa Chiara, Trento, Italy
| | - Silvia Roma
- Radiology Unit, Hospital F. Spaziani, Frosinone, Italy
| | - Laura Romanini
- Radiology Unit, Ospedale di Cremona, ASST Cremona, Cremona, Italy
| | - Fulvio Stacul
- Department of Radiology, Maggiore Hospital, Azienda Sanitaria Universitaria Integrata di Trieste, Trieste, Italy
| | - Alice Casinelli
- Emergency Radiology, Policlinico Tor Vergata, Viale Oxford, 81, 00133, Rome, Italy
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30
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Multiparametric Functional MRI of the Kidney: Current State and Future Trends with Deep Learning Approaches. ROFO-FORTSCHR RONTG 2022; 194:983-992. [PMID: 35272360 DOI: 10.1055/a-1775-8633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
BACKGROUND Until today, assessment of renal function has remained a challenge for modern medicine. In many cases, kidney diseases accompanied by a decrease in renal function remain undetected and unsolved, since neither laboratory tests nor imaging diagnostics provide adequate information on kidney status. In recent years, developments in the field of functional magnetic resonance imaging with application to abdominal organs have opened new possibilities combining anatomic imaging with multiparametric functional information. The multiparametric approach enables the measurement of perfusion, diffusion, oxygenation, and tissue characterization in one examination, thus providing more comprehensive insight into pathophysiological processes of diseases as well as effects of therapeutic interventions. However, application of multiparametric fMRI in the kidneys is still restricted mainly to research areas and transfer to the clinical routine is still outstanding. One of the major challenges is the lack of a standardized protocol for acquisition and postprocessing including efficient strategies for data analysis. This article provides an overview of the most common fMRI techniques with application to the kidney together with new approaches regarding data analysis with deep learning. METHODS This article implies a selective literature review using the literature database PubMed in May 2021 supplemented by our own experiences in this field. RESULTS AND CONCLUSION Functional multiparametric MRI is a promising technique for assessing renal function in a more comprehensive approach by combining multiple parameters such as perfusion, diffusion, and BOLD imaging. New approaches with the application of deep learning techniques could substantially contribute to overcoming the challenge of handling the quantity of data and developing more efficient data postprocessing and analysis protocols. Thus, it can be hoped that multiparametric fMRI protocols can be sufficiently optimized to be used for routine renal examination and to assist clinicians in the diagnostics, monitoring, and treatment of kidney diseases in the future. KEY POINTS · Multiparametric fMRI is a technique performed without the use of radiation, contrast media, and invasive methods.. · Multiparametric fMRI provides more comprehensive insight into pathophysiological processes of kidney diseases by combining functional and structural parameters.. · For broader acceptance of fMRI biomarkers, there is a need for standardization of acquisition, postprocessing, and analysis protocols as well as more prospective studies.. · Deep learning techniques could significantly contribute to an optimization of data acquisition and the postprocessing and interpretation of larger quantities of data.. CITATION FORMAT · Zhang C, Schwartz M, Küstner T et al. Multiparametric Functional MRI of the Kidney: Current State and Future Trends with Deep Learning Approaches. Fortschr Röntgenstr 2022; DOI: 10.1055/a-1775-8633.
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31
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Fladt J, d'Esterre CD, Joundi R, McDougall C, Gensicke H, Barber P. Acute stroke imaging selection for mechanical thrombectomy in the extended time window: is it time to go back to basics? A review of current evidence. J Neurol Neurosurg Psychiatry 2022; 93:238-245. [PMID: 35115388 DOI: 10.1136/jnnp-2021-328000] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 01/05/2022] [Indexed: 12/15/2022]
Abstract
Treatment with endovascular therapy in the extended time window for acute ischaemic stroke with large vessel occlusion involves stringent selection criteria based on the two landmark studies DAWN and DEFUSE3. Current protocols typically include the requirement of advanced perfusion imaging which may exclude a substantial proportion of patients from receiving a potentially effective therapy. Efforts to offer endovascular reperfusion therapies to all appropriate candidates may be facilitated by the use of simplified imaging selection paradigms with widely available basic imaging techniques, such as non-contrast CT and CT angiography. Currently available evidence from our literature review suggests that patients meeting simplified imaging selection criteria may benefit as much as those patients selected using advanced imaging techniques (CT perfusion or MRI) from endovascular therapy in the extended time window. A comprehensive understanding of the role of imaging in patient selection is critical to optimising access to endovascular therapy in the extended time window and improving outcomes in acute stroke. This article provides an overview on current developments and future directions in this emerging area.
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Affiliation(s)
- Joachim Fladt
- Departments of Clinical Neurosciences, Radiology and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.,Stroke Center and Department of Neurology, University Hospital Basel, Basel, Switzerland
| | - Christopher D d'Esterre
- Departments of Clinical Neurosciences, Radiology and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Raed Joundi
- Departments of Clinical Neurosciences, Radiology and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Connor McDougall
- Departments of Clinical Neurosciences, Radiology and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Henrik Gensicke
- Stroke Center and Department of Neurology, University Hospital Basel, Basel, Switzerland
| | - Philip Barber
- Departments of Clinical Neurosciences, Radiology and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
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32
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Hicks CW, Clark TW, Cooper CJ, de Bhailís ÁM, De Carlo M, Green D, Małyszko J, Miglinas M, Textor SC, Herzog CA, Johansen KL, Reinecke H, Kalra PA. Atherosclerotic Renovascular Disease: A KDIGO (Kidney Disease: Improving Global Outcomes) Controversies Conference. Am J Kidney Dis 2022; 79:289-301. [PMID: 34384806 PMCID: PMC9834909 DOI: 10.1053/j.ajkd.2021.06.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 06/23/2021] [Indexed: 02/03/2023]
Abstract
The diagnosis and management of atherosclerotic renovascular disease (ARVD) is complex and controversial. Despite evidence from the ASTRAL (2009) and CORAL (2013) randomized controlled trials showing that percutaneous renal artery revascularization did not improve major outcomes compared with best medical therapy alone over 3-5 years, several areas of uncertainty remain. Medical therapy, including statin and antihypertensive medications, has evolved in recent years, and the use of renin-angiotensin-aldosterone system blockers is now considered the primary means to treat hypertension in the setting of ARVD. However, the criteria to identify kidneys with renal artery stenosis that have potentially salvageable function are evolving. There are also data suggesting that certain high-risk populations with specific clinical manifestations may benefit from revascularization. Here, we provide an overview of the epidemiology, diagnosis, and treatment of ARVD based on consensus recommendations from a panel of physician experts who attended the recent KDIGO (Kidney Disease: Improving Global Outcomes) Controversies Conference on central and peripheral arterial diseases in chronic kidney disease. Most focus is provided for contentious issues, and we also outline aspects of investigation and management of ARVD that require further research.
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33
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Mehran R, Owen R, Chiarito M, Baber U, Sartori S, Cao D, Nicolas J, Pivato CA, Nardin M, Krishnan P, Kini A, Sharma S, Pocock S, Dangas G. A contemporary simple risk score for prediction of contrast-associated acute kidney injury after percutaneous coronary intervention: derivation and validation from an observational registry. Lancet 2021; 398:1974-1983. [PMID: 34793743 DOI: 10.1016/s0140-6736(21)02326-6] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/05/2021] [Accepted: 10/12/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Contrast-associated acute kidney injury can occur after percutaneous coronary intervention (PCI). Prediction of the contrast-associated acute kidney injury risk is important for a tailored prevention and mitigation strategy. We sought to develop a simple risk score to estimate contrast-associated acute kidney injury risk based on a large contemporary PCI cohort. METHODS Consecutive patients undergoing PCI at a large tertiary care centre between Jan 1, 2012, and Dec 31, 2020, with available creatinine measurements both before and within 48 h after the procedure, were included; only patients on chronic dialysis were excluded. Patients treated between 2012 and 2017 comprised the derivation cohort and those treated between 2018 and 2020 formed the validation cohort. The primary endpoint was contrast-associated acute kidney injury, defined according to the Acute Kidney Injury Network. Independent predictors of contrast-associated acute kidney injury were derived from multivariate logistic regression analysis. Model 1 included only pre-procedural variables, whereas Model 2 also included procedural variables. A weighted integer score based on the effect estimate of each independent variable was used to calculate the final risk score for each patient. The impact of contrast-associated acute kidney injury on 1-year deaths was also evaluated. FINDINGS 32 378 PCI procedures were performed and screened for inclusion in the present analysis. After the exclusion of patients without paired creatinine measurements, patients on chronic dialysis, and multiple procedures, 14 616 patients were included in the derivation cohort (mean age 66·2 years, 29·2% female) and 5606 were included in the validation cohort (mean age 67·0 years, 26·4% female). Contrast-associated acute kidney injury occurred in 860 (4·3%) patients. Independent predictors of contrast-associated acute kidney injury included in Model 1 were: clinical presentation, estimated glomerular filtration rate, left ventricular ejection fraction, diabetes, haemoglobin, basal glucose, congestive heart failure, and age. Additional independent predictors in Model 2 were: contrast volume, peri-procedural bleeding, no flow or slow flow post procedure, and complex PCI anatomy. The occurrence of contrast-associated acute kidney injury in the derivation cohort increased gradually from the lowest to the highest of the four risk score groups in both models (2·3% to 34·9% in Model 1, and 2·0% to 38·8% in Model 2). Inclusion of procedural variables in the model only slightly improved the discrimination of the risk score (C-statistic in the derivation cohort: 0·72 for Model 1 and 0·74 for model 2; in the validation cohort: 0·84 for Model 1 and 0·86 for Model 2). The risk of 1-year deaths significantly increased in patients with contrast-associated acute kidney injury (10·2% vs 2·5%; adjusted hazard ratio 1·76, 95% CI 1·31-2·36; p=0·0002), which was mainly due to excess 30-day deaths. INTERPRETATION A contemporary simple risk score based on readily available variables from patients undergoing PCI can accurately discriminate the risk of contrast-associated acute kidney injury, the occurrence of which is strongly associated with subsequent death. FUNDING None.
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Affiliation(s)
- Roxana Mehran
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Ruth Owen
- London School of Hygiene & Tropical Medicine, London, UK
| | - Mauro Chiarito
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy; Cardio Center, Humanitas Clinical and Research Hospital IRCCS, Milan, Italy
| | - Usman Baber
- University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Samantha Sartori
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Davide Cao
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Johny Nicolas
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Carlo Andrea Pivato
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy; Cardio Center, Humanitas Clinical and Research Hospital IRCCS, Milan, Italy
| | - Matteo Nardin
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Prakash Krishnan
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Annapoorna Kini
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Samin Sharma
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Stuart Pocock
- London School of Hygiene & Tropical Medicine, London, UK
| | - George Dangas
- The Zena and Michael A Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Su TH, Hsieh CH, Chan YL, Wong YC, Kuo CF, Li CH, Lee CC, Chen HY. Intravenous CT Contrast Media and Acute Kidney Injury: A Multicenter Emergency Department-based Study. Radiology 2021; 301:571-581. [PMID: 34636631 DOI: 10.1148/radiol.2021204446] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Background Although the historical risk of acute kidney injury (AKI) after intravenous administration of contrast media might be overstated, the risk in patients with impaired kidney function remains a concern. Purpose To investigate whether intravenous contrast media administration during CT is associated with a higher risk of AKI and further hemodialysis compared with the risk in patients undergoing unenhanced CT. Materials and Methods This retrospective study evaluated patients who underwent contrast-enhanced or unenhanced CT in five Taiwanese emergency departments between 2009 and 2016. The outcomes were AKI within 48-72 hours after CT, AKI within 48 hours to 1 week after CT, or further hemodialysis within 1 month after CT. The associations between contrast media exposure and outcome were estimated by using an overlap propensity score weighted generalized regression model. Subgroup analyses were performed according to the estimated glomerular filtration rate (eGFR). Results The study included 68 687 patients (median age, 68 years; interquartile range, 53-74 years; 39 995 men) with (n = 31 103) or without (n = 37 584) exposure to contrast media. After propensity score weighting, contrast media exposure was associated with higher risk of AKI within 48-72 hours after CT (odds ratio [OR], 1.16; 95% CI: 1.04, 1.29; P = .007) but no significant risk at 48 hours to 1 week after CT (OR, 1.00; 95% CI: 0.93, 1.08; P = .90). Among patients with eGFR less than 30 mL/min/1.73 m2, exposure to contrast media was associated with a higher AKI risk (48-72 hours after CT: OR, 1.36; 95% CI: 1.09, 1.70; P = .007) (48 hours-1 week after CT: OR, 1.49; 95% CI: 1.27, 1.74; P < .001) and a higher risk of hemodialysis (OR, 1.36; 95% CI: 1.09, 1.70; P = .008). For patients with eGFR greater than 45 mL/min/1.73.m2, contrast media exposure was not associated with higher AKI risk (P > .05). Conclusion Contrast-enhanced CT was associated with higher risk of acute kidney injury and further hemodialysis among Taiwanese patients with an estimated glomerular filtration rate (eGFR) of less than 30 mL/min/1.73 m2 but not those with an eGFR of more than 45 mL/min/1.73 m2. © RSNA, 2021 Online supplemental material is available for this article.
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Affiliation(s)
- Tse-Hsuan Su
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Chih-Huang Hsieh
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Yi-Ling Chan
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Yon-Cheong Wong
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Chang-Fu Kuo
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Chih-Huang Li
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Cheng-Chia Lee
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
| | - Hsien-Yi Chen
- From the Department of Emergency Medicine (T.H.S., C.H.H., Y.L.C., C.H.L., H.Y.C.), Division of Emergency and Critical Care Radiology, Department of Medical Imaging and Intervention (Y.C.W.), Division of Rheumatology, Allergy and Immunology, Department of Internal Medicine (C.F.K.), and Kidney Research Center, Department of Nephrology (C.C.L.), Linkou Chang Gung Memorial Hospital, Linkou Main Branch, No. 5 Fu-Hsing Street, Kweishan, Taoyuan 333, Taiwan; College of Medicine (T.H.S., Y.L.C., C.H.L., H.Y.C.), Department of Medical Imaging and Radiological Sciences, College of Medicine (Y.C.W.), and Graduate Institute of Clinical Medical Science, College of Medicine (C.C.L.), Chang Gung University, Taoyuan, Taiwan
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Sudarski D, Naami R, Shehadeh F, Elias A, Kerner A, Aronson D. Risk of Worsening Renal Function Following Repeated Exposures to Contrast Media During Percutaneous Coronary Interventions. J Am Heart Assoc 2021; 10:e021473. [PMID: 34533055 PMCID: PMC8649525 DOI: 10.1161/jaha.121.021473] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Multiple contrast media exposures are common, but their cumulative effect on renal function is unknown. We aimed to investigate the renal consequences of repeated exposures to contrast media with coronary interventions. Methods and Results We studied 2942 patients who underwent between 1 and 9 procedures. The primary end point was a persistent creatinine increase of ≥50% above baseline at ≥90 days after the last procedure. The effect of cumulative contrast media dose was assessed using Cox models, with cumulative exposure as a time‐dependent variable, and propensity score matching. The primary end point occurred in 190 patients (6.5%), with 6.1%, 6.8%, and 6.2% of patients with 1, 2 or 3, and ≥4 procedures, respectively (P=0.75). In the multivariable Cox model, baseline renal function, diabetes, anemia, acute coronary syndrome, and heart failure were independent predictors of the primary end point (all P≤0.01), whereas cumulative contrast dose was not (hazard ratio [HR], 1.29 [95% CI, 0.89–1.88] for the fourth contrast quartile [>509 mL] versus first contrast quartile [<233 mL]). Propensity score matching yielded 384 patient pairs with similar characteristics and either 1 or 2 to 9 contrast exposures (median cumulative dose, 160 and 480 mL, respectively). Despite large differences in the cumulative contrast exposure, there were similar rates of the primary end points (7.3% versus 6.3%, respectively; HR, 0.76 [95% CI, 0.44–1.32]). Conclusions In patients with multiple exposures to contrast media, worsening of renal function over time is associated with known risk factors for the progression of kidney disease but not with cumulative contrast volume.
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Affiliation(s)
- Doron Sudarski
- Department of Cardiology Rambam Medical Center, and B. Rappaport Faculty of MedicineTechnion Medical School Haifa Israel
| | - Robert Naami
- Department of Cardiology Rambam Medical Center, and B. Rappaport Faculty of MedicineTechnion Medical School Haifa Israel
| | - Faheem Shehadeh
- Department of Cardiology Rambam Medical Center, and B. Rappaport Faculty of MedicineTechnion Medical School Haifa Israel
| | - Adi Elias
- Department of Cardiology Rambam Medical Center, and B. Rappaport Faculty of MedicineTechnion Medical School Haifa Israel
| | - Arthur Kerner
- Department of Cardiology Rambam Medical Center, and B. Rappaport Faculty of MedicineTechnion Medical School Haifa Israel
| | - Doron Aronson
- Department of Cardiology Rambam Medical Center, and B. Rappaport Faculty of MedicineTechnion Medical School Haifa Israel
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Colakoglu S, Tebockhorst S, Freedman J, Douglass S, Siddikoglu D, Chong TW, Mathes DW. CT angiography prior to DIEP flap breast reconstruction: a randomized controlled trial. J Plast Reconstr Aesthet Surg 2021; 75:45-51. [PMID: 34332925 DOI: 10.1016/j.bjps.2021.05.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 04/13/2021] [Accepted: 05/27/2021] [Indexed: 01/22/2023]
Abstract
BACKGROUND CT angiogram (CTA) has become the preferred method for the planning of abdominal-based microsurgical breast reconstruction to gather information about location, number, caliber and trajectory of the abdominal perforators and to decrease overall flap dissection and operating room time. However, the high-level evidence to support its utility has been limited to nonrandomized retrospective and prospective studies. METHODS Patients undergoing deep inferior epigastric artery perforator (DIEP) flap breast reconstruction were prospectively randomized to preoperative CTA and no imaging groups. Patient demographics, operative times, selected row and number of perforators for flap harvest, agreement in perforator selection between radiologist and surgeon, and clinical outcomes data were collected. Two-way ANOVA, Fisher's exact and Student's t-tests were used for statistical analysis. RESULTS Overall, 37 patients with 63 flaps were included in this study. Seventeen patients had CT scan prior to surgery. Mean age was 50.5 ± 9.6 years. Flap dissection time was significantly shorter in the CT group (150.8 ± 17.8 vs 184.7 ± 25.1 min and p< 0.001). Although overall odds ratio (OR) time was also shorter in the CT group, this only reached a statistical significance in bilateral surgeries (575.9 ± 70.1 vs 641.9 ± 79.6 min and p = 0.038). Hemiabdomen side, selected DIEP row, and the number of dissected perforators did not affect the overall dissection time. Complication rates were similar between the two groups. CONCLUSION This prospective, randomized study demonstrates that preoperative CTA analysis of perforators decreases flap harvest and overall OR time with equivalent postoperative outcomes.
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Affiliation(s)
- Salih Colakoglu
- Department of Plastic and Reconstructive Surgery, Johns Hopkins Hospital, Baltimore, MD, United States
| | | | - Jonathan Freedman
- Division of Plastic and Reconstructive Surgery, University of Colorado, Aurora, CO, United States
| | - Sara Douglass
- Division of Plastic and Reconstructive Surgery, University of Colorado, Aurora, CO, United States
| | - Duygu Siddikoglu
- Department of Biostatistics, Canakkale OnSekiz Mart Faculty of Medicine, Canakkale, Turkey
| | - Tae W Chong
- Division of Plastic and Reconstructive Surgery, University of Colorado, Aurora, CO, United States
| | - David W Mathes
- Division of Plastic and Reconstructive Surgery, University of Colorado, Aurora, CO, United States.
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Laible M, Jenetzky E, Möhlenbruch MA, Bendszus M, Ringleb PA, Rizos T. The Impact of Post-contrast Acute Kidney Injury on In-hospital Mortality After Endovascular Thrombectomy in Patients With Acute Ischemic Stroke. Front Neurol 2021; 12:665614. [PMID: 34163423 PMCID: PMC8215575 DOI: 10.3389/fneur.2021.665614] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/20/2021] [Indexed: 01/22/2023] Open
Abstract
Background and Purpose: Clinical outcome and mortality after endovascular thrombectomy (EVT) in patients with ischemic stroke are commonly assessed after 3 months. In patients with acute kidney injury (AKI), unfavorable results for 3-month mortality have been reported. However, data on the in-hospital mortality after EVT in this population are sparse. In the present study, we assessed whether AKI impacts in-hospital and 3-month mortality in patients undergoing EVT. Materials and Methods: From a prospectively recruiting database, consecutive acute ischemic stroke patients receiving EVT between 2010 and 2018 due to acute large vessel occlusion were included. Post-contrast AKI (PC-AKI) was defined as an increase of baseline creatinine of ≥0.5 mg/dL or >25% within 48 h after the first measurement at admission. Adjusting for potential confounders, associations between PC-AKI and mortality after stroke were tested in univariate and multivariate logistic regression models. Results: One thousand one hundred sixty-nine patients were included; 166 of them (14.2%) died during the acute hospital stay. Criteria for PC-AKI were met by 29 patients (2.5%). Presence of PC-AKI was associated with a significantly higher risk of in-hospital mortality in multivariate analysis [odds ratio (OR) = 2.87, 95% confidence interval (CI) = 1.16–7.13, p = 0.023]. Furthermore, factors associated with in-hospital mortality encompassed higher age (OR = 1.03, 95% CI = 1.01–1.04, p = 0.002), stroke severity (OR = 1.05, 95% CI = 1.03–1.08, p < 0.001), symptomatic intracerebral hemorrhage (OR = 3.20, 95% CI = 1.69–6.04, p < 0.001), posterior circulation stroke (OR = 2.85, 95% CI = 1.72–4.71, p < 0.001), and failed recanalization (OR = 2.00, 95% CI = 1.35–3.00, p = 0.001). Conclusion: PC-AKI is rare after EVT but represents an important risk factor for in-hospital mortality and for mortality within 3 months after hospital discharge. Preventing PC-AKI after EVT may represent an important and potentially lifesaving effort in future daily clinical practice.
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Affiliation(s)
- Mona Laible
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany.,Department of Neurology, University of Ulm, Ulm, Germany
| | - Ekkehart Jenetzky
- Faculty of Health/School of Medicine, Witten/Herdecke University, Witten, Germany.,Department for Child and Adolescent Psychiatry, Johannes Gutenberg-University, Mainz, Germany
| | | | - Martin Bendszus
- Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany
| | | | - Timolaos Rizos
- Department of Neurology, Heidelberg University Hospital, Heidelberg, Germany
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Kene M, Arasu VA, Mahapatra AK, Huang J, Reed ME. Acute Kidney Injury After CT in Emergency Patients with Chronic Kidney Disease: A Propensity Score-matched Analysis. West J Emerg Med 2021; 22:614-622. [PMID: 34125036 PMCID: PMC8203012 DOI: 10.5811/westjem.2021.1.50246] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 01/08/2021] [Indexed: 11/11/2022] Open
Abstract
INTRODUCTION Acute kidney injury (AKI) after intravenous contrast administration for computed tomography (CT) occurs infrequently, but certain patients may be susceptible. This study evaluated AKI incidence among emergency department (ED) patients with pre-existing chronic kidney disease (CKD) undergoing CT exams. METHODS This retrospective cohort study in an integrated healthcare system included ED patients previously diagnosed with CKD stages 3-5 (estimated glomerular filtration rate <60 milliliters per minute per 1.73 meters squared over at least three months), undergoing CT exams with or without intravenous contrast, from January 1, 2013-December 31, 2017. We excluded patients with CT prior to (30 days) or following (14 days) index CT and missing serum creatinine (sCr) measurements. We applied propensity score matching, and then multivariable regression adjustment for post-CT ED disposition and ED diagnosis, to calculate adjusted risk of AKI. Secondary patient-centered outcomes included 30-day mortality, end-stage renal disease (ESRD) diagnosis, and dialysis initiation. RESULTS Among 103,573 eligible ED patients undergoing CT, propensity score matching yielded 5,589 pairs. Adjusted risk ratio (ARR) for AKI was higher overall for contrast-enhanced CT (1.60; 95% confidence interval [CI], 1.43-1.79). However, secondary outcomes were infrequent: 19/5,589 non-contrast vs 40/5,589 contrast patients with new dialysis initiation at 30 days (adjusted risk 0.3% vs 0.7%; adjusted risk reduction 0.4%; 95% CI, 0.1%-0.7%). CONCLUSION In ED patients with chronic kidney disease undergoing CT, intravenous contrast was associated with higher overall adjusted risk of AKI, but patient-centered secondary outcomes were rare. The clinical significance of transient kidney injury after CT is unclear, although patients with advanced chronic kidney disease appear to have elevated risk.
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Affiliation(s)
- Mamata Kene
- The Permanente Medical Group, Oakland, California.,Kaiser Foundation Hospital, Department of Emergency Medicine, Fremont, California
| | - Vignesh A Arasu
- The Permanente Medical Group, Oakland, California.,Kaiser Foundation Hospital, Department of Radiology, Vallejo, California.,Kaiser Permanente Division of Research, Oakland, California
| | - Ajit K Mahapatra
- The Permanente Medical Group, Oakland, California.,Kaiser Foundation Hospital, Department of Nephrology, Santa Clara, California
| | - Jie Huang
- Kaiser Permanente Division of Research, Oakland, California
| | - Mary E Reed
- Kaiser Permanente Division of Research, Oakland, California
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Gilligan LA, Dillman JR, Su W, Zhang B, Chuang J, Trout AT. Primary thyroid dysfunction after single intravenous iodinated contrast exposure in young children: a propensity score matched analysis. Pediatr Radiol 2021; 51:640-648. [PMID: 33201320 DOI: 10.1007/s00247-020-04881-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 09/01/2020] [Accepted: 10/08/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Data suggest an increased risk of thyroid dysfunction following iodine-based contrast material (IBCM) in children. OBJECTIVE To estimate the prevalence of thyroid stimulating hormone (TSH) abnormalities following exposure to a single dose of intravenous IBCM during computed tomography (CT) in young children. MATERIALS AND METHODS Inpatients ≤24 months of age who underwent a single CT with intravenous IBCM (exposed cohort) or abdominal ultrasound (US) (unexposed cohort) examination and had a TSH value obtained within 90 days after imaging between January 2009 to November 2018 were identified. Propensity score matching with 20 variables was performed. Primary thyroid dysfunction was defined by abnormally high or low TSH value. Multivariable logistic regression identified risk factors, including intravenous IBCM, for thyroid dysfunction. RESULTS From the eligible 4,215 imaging examinations, 114 unique patients were included in the propensity matched population (n=57 per group). Thyroid dysfunction was identified in 14% (8/57) and 7% (4/57) of the IBCM-exposed and IBCM-unexposed cohorts, respectively. No patient in either cohort was started on thyroid hormone supplementation within the 3 months after imaging. Intravenous IBCM exposure was not a significant predictor of thyroid dysfunction on univariable (odds ratio [OR]=2.16, 95% confidence interval [CI]=0.61-7.64, P=0.23) or multivariable (OR=2.61, 95% CI=0.65-10.55, P=0.18) analyses. Significant independent predictors of post-imaging thyroid dysfunction included height (OR=1.25, P=0.0095) and trisomy 21 (OR=4.04, P=0.019). CONCLUSION Hospitalized children ≤24 months of age who received a single dose of intravenous IBCM for CT examination had a similar prevalence of TSH abnormalities compared to a propensity score matched group who underwent abdominal US. One dose of intravenous IBCM likely does not cause prolonged TSH abnormalities; however, larger studies are needed.
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Affiliation(s)
- Leah A Gilligan
- Department of Radiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave., MLC 5031, Cincinnati, OH, 45229, USA.,Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Jonathan R Dillman
- Department of Radiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave., MLC 5031, Cincinnati, OH, 45229, USA.,Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Weizhe Su
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Bin Zhang
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Janet Chuang
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.,Division of Endocrinology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Andrew T Trout
- Department of Radiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave., MLC 5031, Cincinnati, OH, 45229, USA. .,Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, OH, USA. .,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, USA.
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Hectors SJ, Riyahi S, Dev H, Krishnan K, Margolis DJA, Prince MR. Multivariate analysis of CT imaging, laboratory, and demographical features for prediction of acute kidney injury in COVID-19 patients: a Bi-centric analysis. Abdom Radiol (NY) 2021; 46:1651-1658. [PMID: 33098478 PMCID: PMC7584857 DOI: 10.1007/s00261-020-02823-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 10/02/2020] [Accepted: 10/10/2020] [Indexed: 12/12/2022]
Abstract
PURPOSE To develop and externally validate a multivariate prediction model for the prediction of acute kidney injury (AKI) in COVID-19, based on baseline renal perfusion from contrast-enhanced CT together with clinical and laboratory parameters. METHODS In this retrospective IRB-approved study, we identified COVID-19 patients who had a standard-of-care contrast-enhanced abdominal CT scan within 5 days of their COVID-19 diagnosis at our institution (training set; n = 45, mean age 65 years, M/F 23/22) and at a second institution (validation set; n = 41, mean age 61 years, M/F 22/19). The CT renal perfusion parameter, cortex-to-aorta enhancement index (CAEI), was measured in both sets. A multivariate logistic regression model for predicting AKI was constructed from the training set with stepwise feature selection with CAEI together with demographical and baseline laboratory/clinical data used as input variables. Model performance in the training and validation set was evaluated with ROC analysis. RESULTS AKI developed in 16 patients (35.6%) of the training set and in 6 patients (14.6%) of the validation set. Baseline CAEI was significantly lower in the patients that ultimately developed AKI (P = 0.003). Logistic regression identified a model combining baseline CAEI, blood urea nitrogen, and gender as most significant predictor of AKI. This model showed excellent diagnostic performance for prediction of AKI in the training set (AUC = 0.89, P < 0.001) and good performance in the validation set (AUC 0.78, P = 0.030). CONCLUSION Our results show diminished renal perfusion preceding AKI and a promising role of CAEI, combined with laboratory and demographic markers, for prediction of AKI in COVID-19.
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Affiliation(s)
- Stefanie J. Hectors
- Department of Radiology, Weill Medical College of Cornell University, 515 E 71st St, Office S-117, New York, NY 10021 USA
| | - Sadjad Riyahi
- Department of Radiology, Weill Medical College of Cornell University, 515 E 71st St, Office S-117, New York, NY 10021 USA
| | - Hreedi Dev
- Department of Radiology, Weill Medical College of Cornell University, 515 E 71st St, Office S-117, New York, NY 10021 USA
| | - Karthik Krishnan
- Department of Radiology, Weill Medical College of Cornell University, 515 E 71st St, Office S-117, New York, NY 10021 USA
| | - Daniel J. A. Margolis
- Department of Radiology, Weill Medical College of Cornell University, 515 E 71st St, Office S-117, New York, NY 10021 USA
| | - Martin R. Prince
- Department of Radiology, Weill Medical College of Cornell University, 515 E 71st St, Office S-117, New York, NY 10021 USA
- Department of Radiology, Columbia University Medical Center, New York, NY USA
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de Laforcade L, Bobot M, Bellin MF, Clément O, Grangé S, Grenier N, Wynckel A, Guerrot D. [ESUR recommendations on the use of contrast media: Practice survey, review and commentary by CJN, FIRN and SFNDT]. Nephrol Ther 2021; 17:80-91. [PMID: 33551369 DOI: 10.1016/j.nephro.2020.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 09/20/2020] [Accepted: 10/19/2020] [Indexed: 10/22/2022]
Abstract
Contrast media administration is classically considered to cause or worsen kidney failure. Recent data may moderate this assertion. The European Society of Urogenital Radiology recently published guidelines re-evaluating the precautions before administering contrast media. The present work evaluates the practice of French nephrologists, and provides a commentary on these recommendations based on an updated review of the literature. We conducted survey among French nephrologists, using an electronic questionnaire distributed by the Société Francophone de Néphrologie, Dialyse et Transplantation, the French Intensive care Renal Network and the Club des Jeunes Néphrologues. 266 responses were collected. The European Society of Urogenital Radiology guidelines are poorly known among the panel of nephrologists. Their practices differ from the guidelines by the more frequent and earlier implementation of measures to prevent renal failure post contrast media. In accordance with the guidelines, hydration is prescribed as a first-line preventive measure, mainly with saline and bicarbonate. Inhibitors of the renin-angiotensin-aldosterone system are frequently discontinued before an injection of contrast media, contrary to what is recommended. In conclusion, the European Society of Urogenital Radiology guidelines, which the working group endorses, but which are still too little known and applied in clinical nephrology in France, prompt nephrologists to lift some of the restrictions on the use of PCI as well as on the continuation of ARS inhibitors before injecting PCI.
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Affiliation(s)
- Louis de Laforcade
- Service d'endocrinologie-diabétologie-néphrologie, centre hospitalier Pierre-Oudot, 30, avenue du Médipole, 38300 Bourgoin-Jallieu, France; Commission Néphrologie Clinique de la SFNDT, 24, Montée des Roches, Saint-Sorlin, 69440 Chabanière, France.
| | - Mickaël Bobot
- Commission Néphrologie Clinique de la SFNDT, 24, Montée des Roches, Saint-Sorlin, 69440 Chabanière, France; Centre de néphrologie et transplantation rénale, CHU de conception, 147, boulevard Baille, 13005 Marseille, France; Inserm 1263, Inrae 1260, C2VN, université Aix-Marseille, 27, boulevard Jean-Moulin, 13385 Marseille, France; Comité Scientifique du Club des Jeunes Néphrologues, clinique du Landy, 93400 Saint-Ouen, France
| | - Marie-France Bellin
- CEA, CNRS, Inserm, BioMaps, service de radiologie, hôpital-bicêtre Paul-Brousse, université Paris-Saclay, 78, rue du Général-Leclerc, 94270 Le Kremlin-Bicêtre, France
| | - Olivier Clément
- Service de radiologie, hôpital européen Georges-Pompidou, université de Paris, 20, rue Leblanc, 75015 Paris, France
| | - Steven Grangé
- Service de réanimation médicale, CHU de Rouen, 1, rue de Germont, 76031 Rouen cedex, France; French Intensive care Renal Network,24, Montée des Roches, Saint-Sorlin, 69440 Chabanière, France
| | - Nicolas Grenier
- Service de radiologie et d'imagerie diagnostique et interventionnelle de l'adulte, CHU de Bordeaux, hôpital Pellegrin, place Amélie-Raba-Léon, 33076 Bordeaux, France
| | - Alain Wynckel
- French Intensive care Renal Network,24, Montée des Roches, Saint-Sorlin, 69440 Chabanière, France; Service de néphrologie, hôpital Maison Blanche, CHU de Reims, 45, rue Cognacq-Jay, 51092 Reims, France
| | - Dominique Guerrot
- Commission Néphrologie Clinique de la SFNDT, 24, Montée des Roches, Saint-Sorlin, 69440 Chabanière, France; Service de néphrologie, hémodialyse, transplantation rénale, lithiase rénale, hypertension artérielle, unité de surveillance continue, CHU de Rouen, 1, rue de Germont, 76031 Rouen cedex, France
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de Laforcade L, Bobot M, Bellin MF, Clément O, Grangé S, Grenier N, Wynckel A, Guerrot D. Kidney and contrast media: Common viewpoint of the French Nephrology societies (SFNDT, FIRN, CJN) and the French Radiological Society (SFR) following ESUR guidelines. Diagn Interv Imaging 2021; 102:131-139. [PMID: 33531265 DOI: 10.1016/j.diii.2021.01.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/11/2021] [Accepted: 01/12/2021] [Indexed: 12/29/2022]
Abstract
Contrast medium administration is classically considered to cause or worsen kidney failure, but recent data may moderate this assertion. The European Society of Urogenital Radiology recently published guidelines re-evaluating the precautions before administering contrast media. Kidney injury does not constitute a contra-indication to the administration of iodinated contrast medium, as long as the benefit-risk ratio justifies it. Intravenous hydration with 0.9% NaCl or 1.4% sodium bicarbonate is the only validated measure for the prevention of post-iodine contrast nephropathy. This is necessary for intravenous or intra-arterial administration of iodinated contrast agent without first renal pass when the glomerular filtration rate is less than 30mL/min/1.73m2, for intra-arterial administration of iodinated contrast agent with first renal passage when the glomerular filtration rate is less than 45mL/min/1.73m2, or in patients with acute renal failure. The use of iodinated contrast medium should allow the carrying out of relevant examinations based on an analysis of the benefit-risk ratio and the implementation of measures to prevent toxicity when necessary.
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Affiliation(s)
- Louis de Laforcade
- Department of Nephrology, Bourgoin-Jallieu Hospital, 38300 Bourgoin-Jallieu, France.
| | - Mickaël Bobot
- Department of Nephrology and Renal Transplantation, Hôpital de la Conception, Assistance Publique Hôpitaux de Marseille, 13005 Marseille, France; C2VN, INSERM 1263, INRAE 1260, Aix-Marseille Univ, 13005 Marseille, France
| | - Marie-France Bellin
- Department of Radiology, Bicêtre Hospital, APHP, University Paris-Saclay, BioMaps, 94043 Le Kremlin Bicêtre, France
| | - Olivier Clément
- Department of Radiology, Hopital Européen Georges Pompidou, AP-HP, Centre, 75015 Paris, France; Université de Paris, 75006 Paris, France
| | - Steven Grangé
- Medical Intensive Care Unit, Rouen University Hospital, 76000 Rouen, France
| | - Nicolas Grenier
- Radiology Department, Bordeaux University Hospital, 33000 Bordeaux, France
| | - Alain Wynckel
- Nephrology Department, Reims University Hospital, 51100 Reims, France
| | - Dominique Guerrot
- Normandie Univ, UNIROUEN, INSERM U1096, FHU REMOD-VHF, 76000 Rouen, France
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Latus J, Schwenger V, Schlieper G, Reinecke H, Hoyer J, Persson PB, Remppis BA, Mahfoud F. [Contrast medium-induced acute kidney injury-Consensus paper of the working group "Heart and Kidney" of the German Cardiac Society and the German Society of Nephrology]. Internist (Berl) 2020; 62:111-120. [PMID: 33349899 DOI: 10.1007/s00108-020-00938-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
This consensus paper summarizes the expert consensus and recommendations of the working group "Heart and Kidney" of the German Cardiac Society (DGK) and the German Society of Nephrology (DGfN) on contrast medium-induced acute kidney injury. Potentially nephrotoxic contrast agents containing iodine are frequently used in interventional medicine and for computer tomography diagnostics. Acute kidney injury occurs in approximately 8-17% of patients exposed to contrast media. The risk factors and underlying pathophysiology are discussed and recommendations for the prophylaxis and treatment of contrast medium-induced acute nephropathy are presented.
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Affiliation(s)
- J Latus
- Klinik für Nieren‑, Hochdruck- und Autoimmunerkrankungen, Klinikum der Landeshauptstadt Stuttgart, Stuttgart, Deutschland
| | - V Schwenger
- Klinik für Nieren‑, Hochdruck- und Autoimmunerkrankungen, Klinikum der Landeshauptstadt Stuttgart, Stuttgart, Deutschland
| | - G Schlieper
- Zentrum für Nieren‑, Hochdruck- und Stoffwechselerkrankungen, Hannover, Deutschland
| | - H Reinecke
- Klinik für Kardiologie I: Koronare Herzkrankheit, Herzinsuffizienz und Angiologie, Universitätsklinik Münster, Münster, Deutschland
| | - J Hoyer
- Klinik für Innere Medizin, Nephrologie und Internistische Intensivmedizin, Universitätsklinikum Marburg, Marburg, Deutschland
| | - P B Persson
- Institute of Physiology, Center for Cardiovascular Research, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - B A Remppis
- Klinik für Kardiologie, Herz- und Gefäßzentrum Bad Bevensen, Bad Bevensen, Deutschland
| | - F Mahfoud
- Klinik für Innere Medizin III, Kardiologie und Angiologie und Internistische Intensivmedizin, Universitätsklinikum des Saarlandes, IMED, Kirrberger Str. 1, 66421, Homburg/Saar, Deutschland.
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Brito C, Falcão L, Raimundo M, Fernandes S, Fernandes A, Silva S, Vilela P, Almeida ED. Contrast-induced acute kidney injury in acute ischaemic stroke patients. Neuroradiol J 2020:1971400920977206. [PMID: 33283660 DOI: 10.1177/1971400920977206] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
PURPOSE The potential nephrotoxicity of intravenous iodinated contrast media is a major concern for acute ischaemic stroke imaging evaluation. This study aimed to assess the incidence of acute kidney injury after intravenous iodinated contrast media exposure in acute ischaemic stroke patients. METHODS We conducted a retrospective cohort analysis between January 2012 and July 2018 to select adult patients admitted to the emergency department with acute ischaemic stroke. The exposed patients received a uniform intravenous dose of low osmolar non-ionic iodinated contrast media, as part of the imaging protocol for acute ischaemic stroke. The unexposed patients underwent a non-enhanced cranial computed tomography scan. Acute kidney injury was defined according to the Kidney Disease Improving Global Outcomes criteria, limited to the first 72 hours. RESULTS A total of 161 and 105 patients were included in the exposed and unexposed groups, respectively. The median age was 72.8 years (interquartile range 20), 53% were men and 97% were white. Demographic and baseline characteristics were similar between the groups. The incidence of acute kidney injury between exposed (n = 10, 6.2%) and unexposed (n = 1, 1%) groups (P = 0.073) was similar and contrast exposure was not a significant predictor of acute kidney injury. CONCLUSION Intravenous iodinated contrast media exposure during acute ischaemic stroke imaging protocols is not an independent predictor of acute kidney injury in patients with normal or near-normal renal function. Studies with larger sample sizes would help to clarify if patients with both cardiovascular risk factors and impaired renal function could benefit from prophylactic measures.
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Affiliation(s)
- Catarina Brito
- Neuroradiology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
- University College London, UK
- *These authors contributed equally to the study and final manuscript
| | - Luís Falcão
- Nephrology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
- *These authors contributed equally to the study and final manuscript
| | - Mário Raimundo
- Nephrology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Sara Fernandes
- Nephrology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
| | | | - Sónia Silva
- Nephrology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
| | - Pedro Vilela
- Neuroradiology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
- Institutional Council of the European Society of Neuroradiology
- Portuguese Neuroradiology Society, Portugal
- Spanish Neuroradiology Society, Spain
| | - Edgar de Almeida
- Nephrology Department, Hospital Beatriz Ângelo, Lisbon, Portugal
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Isaka Y, Hayashi H, Aonuma K, Horio M, Terada Y, Doi K, Fujigaki Y, Yasuda H, Sato T, Fujikura T, Kuwatsuru R, Toei H, Murakami R, Saito Y, Hirayama A, Murohara T, Sato A, Ishii H, Takayama T, Watanabe M, Awai K, Oda S, Murakami T, Yagyu Y, Joki N, Komatsu Y, Miyauchi T, Ito Y, Miyazawa R, Kanno Y, Ogawa T, Hayashi H, Koshi E, Kosugi T, Yasuda Y. Guideline on the use of iodinated contrast media in patients with kidney disease 2018. Clin Exp Nephrol 2020; 24:1-44. [PMID: 31709463 PMCID: PMC6949208 DOI: 10.1007/s10157-019-01750-5] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yoshitaka Isaka
- Department of Nephrology, Osaka University Graduate School of Medicine, Osaka, Japan.
| | - Hiromitsu Hayashi
- Department of Clinical Radiology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Kazutaka Aonuma
- Cardiology Department, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
| | | | - Yoshio Terada
- Department of Endocrinology, Metabolism and Nephrology, Kochi Medical School, Kochi University, Kochi, Japan
| | - Kent Doi
- Department of Acute Medicine, The University of Tokyo, Tokyo, Japan
| | - Yoshihide Fujigaki
- Division of Nephrology, Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan
| | - Hideo Yasuda
- First Department of Medicine, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Taichi Sato
- First Department of Medicine, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Tomoyuki Fujikura
- First Department of Medicine, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Ryohei Kuwatsuru
- Department of Radiology, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Hiroshi Toei
- Department of Radiology, Graduate School of Medicine, Juntendo University, Tokyo, Japan
| | - Ryusuke Murakami
- Department of Clinical Radiology, Graduate School of Medicine, Nippon Medical School, Tokyo, Japan
| | - Yoshihiko Saito
- Department of Cardiovascular Medicine, Nara Medical University, Nara, Japan
| | | | - Toyoaki Murohara
- Department of Cardiology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Akira Sato
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Hideki Ishii
- Department of Cardiology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Tadateru Takayama
- Division of General Medicine, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Makoto Watanabe
- Department of Cardiovascular Medicine, Nara Medical University, Nara, Japan
| | - Kazuo Awai
- Department of Diagnostic Radiology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Seitaro Oda
- Department of Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Takamichi Murakami
- Department of Radiology, Kobe University Graduate School of Medicine, Hyogo, Japan
| | - Yukinobu Yagyu
- Department of Radiology, Faculty of Medicine, Kindai University, Osaka, Japan
| | - Nobuhiko Joki
- Division of Nephrology, Toho University Ohashi Medical Center, Tokyo, Japan
| | - Yasuhiro Komatsu
- Department of Healthcare Quality and Safety, Gunma University Graduate School of Medicine, Gunma, Japan
| | | | - Yugo Ito
- Department of Nephrology, St. Luke's International Hospital, Tokyo, Japan
| | - Ryo Miyazawa
- Department of Radiology, St. Luke's International Hospital, Tokyo, Japan
| | - Yoshihiko Kanno
- Department of Nephrology, Tokyo Medical University, Tokyo, Japan
| | - Tomonari Ogawa
- Department of Nephrology and Hypertension, Saitama Medical Center, Saitama, Japan
| | - Hiroki Hayashi
- Department of Nephrology, Fujita Health University School of Medicine, Aichi, Japan
| | - Eri Koshi
- Department of Nephrology, Komaki City Hospital, Aichi, Japan
| | - Tomoki Kosugi
- Nephrology, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Yoshinari Yasuda
- Department of CKD Initiatives/Nephrology, Nagoya University Graduate School of Medicine, Aichi, Japan
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Gorodetski B, Heine O, Wolf M, Collettini F, Hamm B, Darmon-Kern E, Penzkofer T. Safety Analysis of Iobitridol as a Nonionic Contrast Medium: A Postmarketing Multicenter Surveillance Study With 94,960 Patients Almost 20 Years After Introduction. Invest Radiol 2020; 55:144-152. [PMID: 31977601 DOI: 10.1097/rli.0000000000000620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Our study sought to reevaluate the safety and diagnostic efficacy of iobitridol as a nonionic contrast medium after almost 20 years of use. MATERIALS AND METHODS This noninterventional postmarketing surveillance noncontrolled, multicenter (168 centers in Germany) study enrolled 94,960 patients receiving intravenous or intra-arterial iobitridol. The majority of the adjusted population (n = 92,550, 98.2%) underwent either computed tomography examination (n = 46,502, 49.3%) or intravenous urography (n = 46,048, 48.8%). A standardized questionnaire was used to ascertain patient's information, known risk factors, renal function status, premedication, type of examination, injection of contrast agent, imaging quality, diagnostic value, and safety. RESULTS A total of 469 patients (0.49%) experienced an adverse event (AE), and 24 patients (0.025%) reported a serious AE (SAE). All patients recovered and no fatal event occurred. The prevalence of AE was significantly higher in patients with at least one risk factor, with premedication, with a history of AE, in female and patients younger than 60 years old (P < 0.05). Presence of at least one risk factor is the only predictive factor for the prevalence of SAE (P = 0.042). In patients with a history of AE, premedication did not significantly lower the AE rate (P = 0.737). No statistically significant difference in the prevalence of AE between the different combination of cortisone and/or antihistamines as pretreatment was found. CONCLUSIONS Iobitridol is a safe contrast medium with a high tolerability and efficacy. Presence of risk factors such as cardiovascular diseases, allergies, or asthma was the only significant predictive factor for an AE and an SAE. Premedication did not significantly lower the occurrence of an AE and an SAE.
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Affiliation(s)
- Boris Gorodetski
- From the Department of Diagnostic and Interventional Radiology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin
| | | | - Michael Wolf
- Michael Wolf Information Systems, Püttlingen, Germany
| | - Federico Collettini
- From the Department of Diagnostic and Interventional Radiology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin
| | - Bernd Hamm
- From the Department of Diagnostic and Interventional Radiology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin
| | | | - Tobias Penzkofer
- From the Department of Diagnostic and Interventional Radiology, Charité Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin
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McDougall CC, Chan L, Sachan S, Guo J, Sah RG, Menon BK, Demchuk AM, Hill MD, Forkert ND, d'Esterre CD, Barber PA. Dynamic CTA-Derived Perfusion Maps Predict Final Infarct Volume: The Simple Perfusion Reconstruction Algorithm. AJNR Am J Neuroradiol 2020; 41:2034-2040. [PMID: 33004342 DOI: 10.3174/ajnr.a6783] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/07/2020] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Infarct core volume measurement using CTP (CT perfusion) is a mainstay paradigm for stroke treatment decision-making. Yet, there are several downfalls with cine CTP technology that can be overcome by adopting the simple perfusion reconstruction algorithm (SPIRAL) derived from multiphase CTA. We compare SPIRAL with CTP parameters for the prediction of 24-hour infarction. MATERIALS AND METHODS Seventy-two patients had admission NCCT, multiphase CTA, CTP, and 24-hour DWI. All patients had successful/quality reperfusion. Patient-level and cohort-level receiver operator characteristic curves were generated to determine accuracy. A 10-fold cross-validation was performed on the cohort-level data. Infarct core volume was compared for SPIRAL, CTP-time-to-maximum, and final DWI by Bland-Altman analysis. RESULTS When we compared the accuracy in patients with early and late reperfusion for cortical GM and WM, there was no significant difference at the patient level (0.83 versus 0.84, respectively), cohort level (0.82 versus 0.81, respectively), or the cross-validation (0.77 versus 0.74, respectively). In the patient-level receiver operating characteristic analysis, the SPIRAL map had a slightly higher, though nonsignificant (P < .05), average receiver operating characteristic area under the curve (cortical GM/WM, r = 0.82; basal ganglia = 0.79, respectively) than both the CTP-time-to-maximum (cortical GM/WM = 0.82; basal ganglia = 0.78, respectively) and CTP-CBF (cortical GM/WM = 0.74; basal ganglia = 0.78, respectively) parameter maps. The same relationship was observed at the cohort level. The Bland-Altman plot limits of agreement for SPIRAL and time-to-maximum infarct volume were similar compared with 24-hour DWI. CONCLUSIONS We have shown that perfusion maps generated from a temporally sampled helical CTA are an accurate surrogate for infarct core.
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Affiliation(s)
- C C McDougall
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program.,Department of Radiology (C.C.M., B.K.M., N.D.F., C.D.d.E., P.A.B.).,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
| | - L Chan
- Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.)
| | - S Sachan
- Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.)
| | - J Guo
- Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.)
| | - R G Sah
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program.,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
| | - B K Menon
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program.,Department of Radiology (C.C.M., B.K.M., N.D.F., C.D.d.E., P.A.B.).,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
| | - A M Demchuk
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program.,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
| | - M D Hill
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program.,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
| | - N D Forkert
- Department of Radiology (C.C.M., B.K.M., N.D.F., C.D.d.E., P.A.B.).,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Alberta Children's Hospital Research Institute (N.D.F.), University of Calgary, Calgary, Alberta, Canada
| | - C D d'Esterre
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program.,Department of Radiology (C.C.M., B.K.M., N.D.F., C.D.d.E., P.A.B.).,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Department of Clinical Neurosciences (C.C.M., L.C., S.S., J.G., R.G.S., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
| | - P A Barber
- From the Department of Clinical Neurosciences (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d., P.A.B.), Calgary Stroke Program .,Department of Radiology (C.C.M., B.K.M., N.D.F., C.D.d.E., P.A.B.).,Hotchkiss Brain Institute (C.C.M., B.K.M., A.M.D., M.D.H., N.D.F., C.C.d.E., P.A.B.).,Seaman Family Centre (C.C.M., R.G.S., B.K.M., A.M.D., M.D.H., C.D.d.E., P.A.B.), Foothills Medical Centre, Calgary, Alberta, Canada
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Corbett M, Duarte A, Llewellyn A, Altunkaya J, Harden M, Harris M, Walker S, Palmer S, Dias S, Soares M. Point-of-care creatinine tests to assess kidney function for outpatients requiring contrast-enhanced CT imaging: systematic reviews and economic evaluation. Health Technol Assess 2020; 24:1-248. [PMID: 32840478 PMCID: PMC7475798 DOI: 10.3310/hta24390] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Patients with low estimated glomerular filtration rates may be at higher risk of post-contrast acute kidney injury following contrast-enhanced computed tomography imaging. Point-of-care devices allow rapid measurement of estimated glomerular filtration rates for patients referred without a recent estimated glomerular filtration rate result. OBJECTIVES To assess the clinical effectiveness and cost-effectiveness of point-of-care creatinine tests for outpatients without a recent estimated glomerular filtration rate measurement who need contrast-enhanced computed tomography imaging. METHODS Three systematic reviews of test accuracy, implementation and clinical outcomes, and economic analyses were carried out. Bibliographic databases were searched from inception to November 2018. Studies comparing the accuracy of point-of-care creatinine tests with laboratory reference tests to assess kidney function in adults in a non-emergency setting and studies reporting implementation and clinical outcomes were included. Risk of bias of diagnostic accuracy studies was assessed using a modified version of the Quality Assessment of Diagnostic Accuracy Studies 2 (QUADAS-2) tool. Probabilities of individuals having their estimated glomerular filtration rates correctly classified were estimated within a Bayesian framework and pooled using a fixed-effects model. A de novo probabilistic decision tree cohort model was developed to characterise the decision problem from an NHS and a Personal Social Services perspective. A range of alternative point-of-care testing approaches were considered. Scenario analyses were conducted. RESULTS Fifty-four studies were included in the clinical reviews. Twelve studies reported diagnostic accuracy for estimated glomerular filtration rates; half were rated as being at low risk of bias, but there were applicability concerns for most. i-STAT (Abbott Point of Care, Inc., Princeton, NJ, USA) and ABL (Radiometer Ltd, Crawley, UK) devices had higher probabilities of correctly classifying individuals in the same estimated glomerular filtration rate categories as the reference laboratory test than StatSensor® devices (Nova Biomedical, Runcorn, UK). There was limited evidence for epoc® (Siemens Healthineers AG, Erlangen, Germany) and Piccolo Xpress® (Abaxis, Inc., Union City, CA, USA) devices and no studies of DRI-CHEM NX 500 (Fujifilm Corporation, Tokyo, Japan). The review of implementation and clinical outcomes included six studies showing practice variation in the management decisions when a point-of-care device indicated an abnormal estimated glomerular filtration rate. The review of cost-effectiveness evidence identified no relevant studies. The de novo decision model that was developed included a total of 14 strategies. Owing to limited data, the model included only i-STAT, ABL800 FLEX and StatSensor. In the base-case analysis, the cost-effective strategy appeared to be a three-step testing sequence involving initially screening all individuals for risk factors, point-of-care testing for those individuals with at least one risk factor, and including a final confirmatory laboratory test for individuals with a point-of-care-positive test result. Within this testing approach, the specific point-of-care device with the highest net benefit was i-STAT, although differences in net benefit with StatSensor were very small. LIMITATIONS There was insufficient evidence for patients with estimated glomerular filtration rates < 30 ml/minute/1.73 m2, and on the full potential health impact of delayed or rescheduled computed tomography scans or the use of alternative imaging modalities. CONCLUSIONS A three-step testing sequence combining a risk factor questionnaire with a point-of-care test and confirmatory laboratory testing appears to be a cost-effective use of NHS resources compared with current practice. The risk of contrast causing acute kidney injury to patients with an estimated glomerular filtration rate of < 30 ml/minute/1.73 m2 is uncertain. Cost-effectiveness of point-of-care testing appears largely driven by the potential of point-of-care tests to minimise delays within the current computed tomography pathway. FUTURE WORK Studies evaluating the impact of risk-stratifying questionnaires on workflow outcomes in computed tomography patients without recent estimated glomerular filtration rate results are needed. STUDY REGISTRATION This study is registered as PROSPERO CRD42018115818. FUNDING This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 24, No. 39. See the NIHR Journals Library website for further project information.
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Affiliation(s)
- Mark Corbett
- Centre for Reviews and Dissemination (CRD), University of York, York, UK
| | - Ana Duarte
- Centre for Health Economics (CHE), University of York, York, UK
| | - Alexis Llewellyn
- Centre for Reviews and Dissemination (CRD), University of York, York, UK
| | - James Altunkaya
- Centre for Health Economics (CHE), University of York, York, UK
| | - Melissa Harden
- Centre for Reviews and Dissemination (CRD), University of York, York, UK
| | - Martine Harris
- Mid Yorkshire Hospitals NHS Trust, Pinderfields Hospital, Wakefield, UK
| | - Simon Walker
- Centre for Health Economics (CHE), University of York, York, UK
| | - Stephen Palmer
- Centre for Health Economics (CHE), University of York, York, UK
| | - Sofia Dias
- Centre for Reviews and Dissemination (CRD), University of York, York, UK
| | - Marta Soares
- Centre for Health Economics (CHE), University of York, York, UK
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McLean KA, Ahmed WUR, Akhbari M, Claireaux HA, English C, Frost J, Henshall DE, Khan M, Kwek I, Nicola M, Rehman S, Varghese S, Drake TM, Bell S, Nepogodiev D, McLean KA, Drake TM, Glasbey JC, Borakati A, Drake TM, Kamarajah S, McLean KA, Bath MF, Claireaux HA, Gundogan B, Mohan M, Deekonda P, Kong C, Joyce H, Mcnamee L, Woin E, Burke J, Khatri C, Fitzgerald JE, Harrison EM, Bhangu A, Nepogodiev D, Arulkumaran N, Bell S, Duthie F, Hughes J, Pinkney TD, Prowle J, Richards T, Thomas M, Dynes K, Patel M, Patel P, Wigley C, Suresh R, Shaw A, Klimach S, Jull P, Evans D, Preece R, Ibrahim I, Manikavasagar V, Smith R, Brown FS, Deekonda P, Teo R, Sim DPY, Borakati A, Logan AE, Barai I, Amin H, Suresh S, Sethi R, Bolton W, Corbridge O, Horne L, Attalla M, Morley R, Robinson C, Hoskins T, McAllister R, Lee S, Dennis Y, Nixon G, Heywood E, Wilson H, Ng L, Samaraweera S, Mills A, Doherty C, Woin E, Belchos J, Phan V, Chouari T, Gardner T, Goergen N, Hayes JDB, MacLeod CS, McCormack R, McKinley A, McKinstry S, Milligan W, Ooi L, Rafiq NM, Sammut T, Sinclair E, Smith M, Baker C, Boulton APR, Collins J, Copley HC, Fearnhead N, Fox H, Mah T, McKenna J, Naruka V, Nigam N, Nourallah B, Perera S, Qureshi A, Saggar S, Sun L, Wang X, Yang DD, Caroll P, Doyle C, Elangovan S, Falamarzi A, Perai KG, Greenan E, Jain D, Lang-Orsini M, Lim S, O'Byrne L, Ridgway P, Van der Laan S, Wong J, Arthur J, Barclay J, Bradley P, Edwin C, Finch E, Hayashi E, Hopkins M, Kelly D, Kelly M, McCartan N, Ormrod A, Pakenham A, Hayward J, Hitchen C, Kishore A, Martins T, Philomen J, Rao R, Rickards C, Burns N, Copeland M, Durand C, Dyal A, Ghaffar A, Gidwani A, Grant M, Gribbon C, Gruhn A, Leer M, Ahmad K, Beattie G, Beatty M, Campbell G, Donaldson G, Graham S, Holmes D, Kanabar S, Liu H, McCann C, Stewart R, Vara S, Ajibola-Taylor O, Andah EJE, Ani C, Cabdi NMO, Ito G, Jones M, Komoriyama A, Patel P, Titu L, Basra M, Gallogly P, Harinath G, Leong SH, Pradhan A, Siddiqui I, Zaat S, Ali A, Galea M, Looi WL, Ng 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H, Mahmood F, Patel P, Perry M, Power A, Simpson R, Ali A, Brobbey P, Burrows A, Elder P, Ganyani R, Horseman C, Hurst P, Mann H, Marimuthu K, McBride S, Pilsworth E, Powers N, Stanier P, Innes R, Kersey T, Kopczynska M, Langasco N, Patel N, Rajagopal R, Atkins B, Beasley W, Lim ZC, Gill A, Ang HL, Williams H, Yogeswara T, Carter R, Fam M, Fong J, Latter J, Long M, Mackinnon S, McKenzie C, Osmanska J, Raghuvir V, Shafi A, Tsang K, Walker L, Bountra K, Coldicutt O, Fletcher D, Hudson S, Iqbal S, Bernal TL, Martin JWB, Moss-Lawton F, Smallwood J, Vipond M, Cardwell A, Edgerton K, Laws J, Rai A, Robinson K, Waite K, Ward J, Youssef H, Knight C, Koo PY, Lazarou A, Stanger S, Thorn C, Triniman MC, Botha A, Boyles L, Cumming S, Deepak S, Ezzat A, Fowler AJ, Gwozdz AM, Hussain SF, Khan S, Li H, Morrell BL, Neville J, Nitiahpapand R, Pickering O, Sagoo H, Sharma E, Welsh K, Denley S, Khan S, Agarwal M, Al-Saadi N, Bhambra R, Gupta A, Jawad ZAR, Jiao LR, Khan K, Mahir G, Singagireson S, Thoms 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T, Turner S, Varcada M, Warren L, Wynell-Mayow W, Church R, Linley-Adams L, Osborn G, Saunders M, Spencer R, Srikanthan M, Tailor S, Tullett A, Ali M, Al-Masri S, Carr G, Ebhogiaye O, Heng S, Manivannan S, Manley J, McMillan LE, Peat C, Phillips B, Thomas S, Whewell H, Williams G, Bienias A, Cope EA, Courquin GR, Day L, Garner C, Gimson A, Harris C, Markham K, Moore T, Nadin T, Phillips C, Subratty SM, Brown K, Dada J, Durbacz M, Filipescu T, Harrison E, Kennedy ED, Khoo E, Kremel D, Lyell I, Pronin S, Tummon R, Ventre C, Walls L, Wootton E, Akhtar A, Davies E, El-Sawy D, Farooq M, Gaddah M, Griffiths H, Katsaiti I, Khadem N, Leong K, Williams I, Chean CS, Chudek D, Desai H, Ellerby N, Hammad A, Malla S, Murphy B, Oshin O, Popova P, Rana S, Ward T, Abbott TEF, Akpenyi O, Edozie F, El Matary R, English W, Jeyabaladevan S, Morgan C, Naidu V, Nicholls K, Peroos S, Prowle J, Sansome S, Torrance HD, Townsend D, Brecher J, Fung H, Kazmi Z, Outlaw P, Pursnani K, Ramanujam N, Razaq A, Sattar M, Sukumar S, Tan TSE, Chohan K, Dhuna S, Haq T, Kirby S, Lacy-Colson J, Logan P, Malik Q, McCann J, Mughal Z, Sadiq S, Sharif I, Shingles C, Simon A, Burnage S, Chan SSN, Craig ARJ, Duffield J, Dutta A, Eastwood M, Iqbal F, Mahmood F, Mahmood W, Patel C, Qadeer A, Robinson A, Rotundo A, Schade A, Slade RD, De Freitas M, Kinnersley H, McDowell E, Moens-Lecumberri S, Ramsden J, Rockall T, Wiffen L, Wright S, Bruce C, Francois V, Hamdan K, Limb C, Lunt AJ, Manley L, Marks M, Phillips CFE, Agnew CJF, Barr CJ, Benons N, Hart SJ, Kandage D, Krysztopik R, Mahalingam P, Mock J, Rajendran S, Stoddart MT, Clements B, Gillespie H, Lee S, McDougall R, Murray C, O'Loane R, Periketi S, Tan S, Amoah R, Bhudia R, Dudley B, Gilbert A, Griffiths B, Khan H, McKigney N, Roberts B, Samuel R, Seelarbokus A, Stubbing-Moore A, Thompson G, Williams P, Ahmed N, Akhtar R, Chandler E, Chappelow I, Gil H, Gower T, Kale A, Lingam G, Rutler L, Sellahewa C, Sheikh A, Stringer H, Taylor R, Aglan H, Ashraf MR, Choo S, Das E, Epstein J, Gentry R, Mills D, Poolovadoo Y, Ward N, Bull K, Cole A, Hack J, Khawari S, Lake C, Mandishona T, Perry R, Sleight S, Sultan S, Thornton T, Williams S, Arif T, Castle A, Chauhan P, Chesner R, Eilon T, Kamarajah S, Kambasha C, Lock L, Loka T, Mohammad F, Motahariasl S, Roper L, Sadhra SS, Sheikh A, Toma T, Wadood Q, Yip J, Ainger E, Busti S, Cunliffe L, Flamini T, Gaffing S, Moorcroft C, Peter M, Simpson L, Stokes E, Stott G, Wilson J, York J, Yousaf A, Borakati A, Brown M, Goaman A, Hodgson B, Ijeomah A, Iroegbu U, Kaur G, Lowe C, Mahmood S, Sattar Z, Sen P, Szuman A, Abbas N, Al-Ausi M, Anto N, Bhome R, Eccles L, Elliott J, Hughes EJ, Jones A, Karunatilleke AS, Knight JS, Manson CCF, Mekhail I, Michaels L, Noton TM, Okenyi E, Reeves T, Yasin IH, Banfield DA, Harris R, Lim D, Mason-Apps C, Roe T, Sandhu J, Shafiq N, Stickler E, Tam JP, Williams LM, Ainsworth P, Boualbanat Y, Doull C, Egan E, Evans L, Hassanin K, Ninkovic-Hall G, Odunlami W, Shergill M, Traish M, 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M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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