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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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Selamet U, Ahdoot RS, Salasnek R, Abdelnour L, Hanna RM. Onconephrology: mitigation of renal injury in chemotherapy administration. Curr Opin Nephrol Hypertens 2024; 33:257-266. [PMID: 38095483 DOI: 10.1097/mnh.0000000000000960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
PURPOSE OF REVIEW Onconephrology was first coined as a name for the intersection of cancer medicine and nephrology in the early 2010s. It was recognized then that beyond and understanding of kidney physiology, a new generation of nephrologists skilled in both molecular biology and precision medicine were needed to deal with the challenges of emerging cancer therapies. Stem cell transplants, biologic agents, adjuvants blocking basic cellular signaling pathways, immunotherapy were found to promote novel anticancer outcomes, but also to pose new risks to the kidneys. The field rapidly overlapped with emerging expertise in vascular glomerular disease, glomerular disease, and the same biologic agents now applied to auto immune systemic and kidney diseases. RECENT FINDINGS Many categories of chemotherapeutic agents have been discovered to have adverse renal side effects. In this review, we address classic chemotherapeutic nephrotoxicity and oncologic clinical situations leading to acute kidney injury. We also review the frontiers of nephrotoxicity reported with cell cycle inhibitors, diverse classes of tyrosine kinase inhibitors, immune checkpoint inhibitors, chimeric antigen receptor T-cell therapy, anticancer vaccines, and thrombotic microangiopathies triggered by malignancy and chemotherapy. The aim will be to focus on published strategies to mitigate nephrotoxicity. SUMMARY As onconephrology expands into its own field, it gives birth to new subdisciplines. An understanding that patient populations want the benefits of chemotherapy without the renal (and other) systemic toxicities is emerging. A need to develop a new class of molecular and genetic experts in onconephrology to mitigate nephrotoxicity from chemotherapy is apparent and urgent.
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Affiliation(s)
- Umut Selamet
- Department of Medical Oncology of Medical Oncology, Dana Farber Cancer Institute, Boston, Massachusetts
| | - Rebecca S Ahdoot
- Department of Medicine- Division of Nephrology, University of California-Irvine, Irvine
| | - Reed Salasnek
- Department of Medicine- Division of Nephrology, University of California-Irvine, Irvine
| | - Lama Abdelnour
- Department of Medicine-Division of Nephrology, University of California Los Angeles, Los Angeles, CA, USA
| | - Ramy M Hanna
- Department of Medicine- Division of Nephrology, University of California-Irvine, Irvine
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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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Nishikawa M, Machida H, Shimizu Y, Kariyasu T, Morisaka H, Adachi T, Nakai T, Sakaguchi K, Saito S, Matsumoto S, Koyanagi M, Yokoyama K. Image quality and radiologists' subjective acceptance using model-based iterative and deep learning reconstructions as adjuncts to ultrahigh-resolution CT in low-dose contrast-enhanced abdominopelvic CT: phantom and clinical pilot studies. Abdom Radiol (NY) 2022; 47:891-902. [PMID: 34914007 PMCID: PMC8807451 DOI: 10.1007/s00261-021-03373-5] [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: 06/01/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 12/02/2022]
Abstract
Purpose In contrast-enhanced abdominopelvic CT (CE-APCT) for oncologic follow-up, ultrahigh-resolution CT (UHRCT) may improve depiction of fine lesions and low-dose scans are desirable for minimizing the potential adverse effects by ionizing radiation. We compared image quality and radiologists’ acceptance of model-based iterative (MBIR) and deep learning (DLR) reconstructions of low-dose CE-APCT by UHRCT. Methods Using our high-resolution (matrix size: 1024) and low-dose (tube voltage 100 kV; noise index: 20–40 HU) protocol, we scanned phantoms to compare the modulation transfer function and noise power spectrum between MBIR and DLR and assessed findings in 36 consecutive patients who underwent CE-APCT (noise index: 35 HU; mean CTDIvol: 4.2 ± 1.6 mGy) by UHRCT. We used paired t-test to compare objective noise and contrast-to-noise ratio (CNR) and Wilcoxon signed-rank test to compare radiologists’ subjective acceptance regarding noise, image texture and appearance, and diagnostic confidence between MBIR and DLR using our routine protocol (matrix size: 512; tube voltage: 120 kV; noise index: 15 HU) for reference. Results Phantom studies demonstrated higher spatial resolution and lower low-frequency noise by DLR than MBIR at equal doses. Clinical studies indicated significantly worse objective noise, CNR, and subjective noise by DLR than MBIR, but other subjective characteristics were better (P < 0.001 for all). Compared with the routine protocol, subjective noise was similar or better by DLR, and other subjective characteristics were similar or worse by MBIR. Conclusion Image quality, except regarding noise characteristics, and acceptance by radiologists were better by DLR than MBIR in low-dose CE-APCT by UHRCT. Graphical abstract ![]()
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Pediatric onco-nephrology: time to spread the word : Part I: early kidney involvement in children with malignancy. Pediatr Nephrol 2021; 36:2227-2255. [PMID: 33245421 DOI: 10.1007/s00467-020-04800-3] [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: 05/21/2020] [Revised: 08/28/2020] [Accepted: 09/25/2020] [Indexed: 12/29/2022]
Abstract
Onco-nephrology has been a growing field within the adult nephrology scope of practice. Even though pediatric nephrologists have been increasingly involved in the care of children with different forms of malignancy, there has not been an emphasis on developing special expertise in this area. The fast pace of discovery in this field, including the development of new therapy protocols with their own kidney side effects and the introduction of the CD19-targeted chimeric antigen receptor T cell (CAR-T) therapy, has introduced new challenges for general pediatric nephrologists because of the unique effects of these treatments on the kidney. Moreover, with the improved outcomes in children receiving cancer therapy come an increased number of survivors at risk for chronic kidney disease related to both their cancer diagnosis and therapy. Therefore, it is time for pediatric onco-nephrology to take its spot on the expanding subspecialties map in pediatric nephrology.
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Barrios López A, García Martínez F, Rodríguez JI, Montero-San-Martín B, Gómez Rioja R, Diez J, Martín-Hervás C. Incidence of contrast-induced nephropathy after a computed tomography scan. RADIOLOGIA 2021; 63:307-313. [PMID: 34246421 DOI: 10.1016/j.rxeng.2020.02.005] [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: 03/17/2019] [Accepted: 02/13/2020] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIMS The term contrast-induced nephropathy is used to describe acute deterioration of renal function after the intravenous administration of iodinated contrast material. We aimed to estimate the incidence of contrast-induced nephropathy and to analyze the evolution of different biomarkers of renal function in patients who underwent computed tomography with intravenous contrast administration after premedication with oral hydration and N-acetylcysteine. MATERIAL AND METHODS This prospective observational study included 112 patients with chronic renal failure (glomerular filtration rate (GFR) 30ml-60ml/min/1.73m2) scheduled for computed tomography with intravenous iodinated contrast material. We recorded demographic variables, dose of contrast material, diabetes mellitus, hypertension, and serum hemoglobin. We measured serum creatinine and GFR after premedication and after the CT examination. We summarized variables as means, standard deviations, and percentages. We used the Wilcoxon and Mann-Whitney tests to compare pre- and post-CT values and Pearson's r to analyze correlations. RESULTS Incidence acute kidney injury: 0.9%; 95%CI: 0.36-1.4. Mean difference between pre- and post-CT creatinine: 0.04; 95%CI: 0.002-0.09, p<0.004. Mean difference between pre- and post-CT GFR: -3.06; 95%CI: -4.66 to -1.47), p<0.001. CONCLUSIONS The incidence of contrast-induced nephropathy in patients with chronic renal failure and GFR 30ml-60ml/min/1.73m2 is low. The biomarkers of renal function analyzed improve in patients who receive premedication and the minimum dose of contrast material.
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Affiliation(s)
- A Barrios López
- Servicio de Radiodiagnóstico, Hospital Universitario La Paz, Madrid, Spain.
| | - F García Martínez
- Servicio de Radiodiagnóstico, Hospital Universitario La Paz, Madrid, Spain
| | - J I Rodríguez
- Servicio de Radiodiagnóstico, Hospital Universitario La Paz, Madrid, Spain
| | | | - R Gómez Rioja
- Servicio de Análisis Clínicos, Hospital Universitario La Paz, Madrid, Spain
| | - J Diez
- Servicio de Bioestadística, IdiPAZ - Hospital Universitario La Paz, Madrid, Spain
| | - C Martín-Hervás
- Servicio de Radiodiagnóstico, Hospital Universitario La Paz, Madrid, Spain
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8
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Caruso D, Rosati E, Panvini N, Rengo M, Bellini D, Moltoni G, Bracci B, Lucertini E, Zerunian M, Polici M, De Santis D, Iannicelli E, Anibaldi P, Carbone I, Laghi A. Optimization of contrast medium volume for abdominal CT in oncologic patients: prospective comparison between fixed and lean body weight-adapted dosing protocols. Insights Imaging 2021; 12:40. [PMID: 33743100 PMCID: PMC7981367 DOI: 10.1186/s13244-021-00980-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/26/2021] [Indexed: 11/25/2022] Open
Abstract
Background Patient body size represents the main determinant of parenchymal enhancement and by adjusting the contrast media (CM) dose to patient weight may be a more appropriate approach to avoid a patient over dosage of CM. To compare the performance of fixed-dose and lean body weight (LBW)-adapted contrast media dosing protocols, in terms of image quality and parenchymal enhancement. Results One-hundred cancer patients undergoing multiphasic abdominal CT were prospectively enrolled in this multicentric study and randomly divided in two groups: patients in fixed-dose group (n = 50) received 120 mL of CM while in LBW group (n = 50) the amount of CM was computed according to the patient’s LBW. LBW protocol group received a significantly lower amount of CM (103.47 ± 17.65 mL vs. 120.00 ± 0.00 mL, p < 0.001). Arterial kidney signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) and pancreatic CNR were significantly higher in LBW group (all p ≤ 0.004). LBW group provided significantly higher arterial liver, kidney, and pancreatic contrast enhancement index (CEI) and portal venous phase kidney CEI (all p ≤ 0.002). Significantly lower portal vein SNR and CNR were observed in LBW-Group (all p ≤ 0.020). Conclusions LBW-adapted CM administration for abdominal CT reduces the volume of injected CM and improves both image quality and parenchymal enhancement.
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Affiliation(s)
- Damiano Caruso
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Elisa Rosati
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Nicola Panvini
- Diagnostic Imaging Unit, Department of Medico-Surgical Sciences and Biotechnologies, ICOT Hospital, "Sapienza" University of Rome, Via Franco Faggiana, 1668, 04100, Latina, Italy
| | - Marco Rengo
- Diagnostic Imaging Unit, Department of Medico-Surgical Sciences and Biotechnologies, ICOT Hospital, "Sapienza" University of Rome, Via Franco Faggiana, 1668, 04100, Latina, Italy
| | - Davide Bellini
- Diagnostic Imaging Unit, Department of Medico-Surgical Sciences and Biotechnologies, ICOT Hospital, "Sapienza" University of Rome, Via Franco Faggiana, 1668, 04100, Latina, Italy
| | - Giulia Moltoni
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Benedetta Bracci
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Elena Lucertini
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Marta Zerunian
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Michela Polici
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Domenico De Santis
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Elsa Iannicelli
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Paolo Anibaldi
- Hospital Direction and Clinical Departments, Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy
| | - Iacopo Carbone
- Diagnostic Imaging Unit, Department of Medico-Surgical Sciences and Biotechnologies, ICOT Hospital, "Sapienza" University of Rome, Via Franco Faggiana, 1668, 04100, Latina, Italy
| | - Andrea Laghi
- Radiology Unit, Department of Surgical and Medical Sciences and Translational Medicine, Sapienza University of Rome - Sant'Andrea University Hospital, Via di Grottarossa, 1035-1039, 00189, Rome, Italy.
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González Cervantes JJ, Mascarós Martínez JM, Arana E. Administration of iodinated contrast: What is the risk in cancer patients? Eur J Cancer Care (Engl) 2020; 30:e13351. [PMID: 33135211 DOI: 10.1111/ecc.13351] [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] [Received: 02/20/2020] [Revised: 06/20/2020] [Accepted: 09/10/2020] [Indexed: 12/29/2022]
Abstract
OBJECTIVE Despite the association between intravenous contrast and kidney injury, few studies exist in oncology. Our objective was to estimate kidney outcomes following iodinated contrast-enhanced computed tomography (CECT) in cancer patients, and to evaluate whether self-assessment questionnaires can identify kidney injury risk factors. METHODS This prospective observational study included 289 patients who underwent a CECT scan between March and May 2017 in a hospital setting. All patients completed the modified European Society of Urogenital Radiology (ESUR) questionnaire and had an estimated glomerular filtration rate (eGFR) >30 ml/min/1.73 m2 on the day of the examination. Outcomes were followed for 4 months. Univariate and logistic regression analyses were carried out. RESULTS In the logistic regression analysis, the only variables statistically associated with deterioration in the eGFR were age, (odds ratio (OR) = 1.091, p = 0.003), female sex, (OR 0.22, p = 0.020) and arterial hypertension (AH), (OR = 3.57, p = 0.019). Regarding exitus, only the group with a worse eGFR was close to predictive statistical significance (OR = 2.48, p = 0.09). CONCLUSIONS The administration of iodinated contrast in cancer patients was not associated with an increase in kidney outcomes. Risk factors in these patients were age, sex and AH.
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Affiliation(s)
- Jose Javier González Cervantes
- Escuela de Doctorado, Universidad Católica de Valencia San Vicente Mártir, Valencia, España.,Servicio de Radiología, Instituto Valenciano de Oncología. (FIVO), Valencia, España
| | | | - Estanislao Arana
- Servicio de Radiología, Instituto Valenciano de Oncología. (FIVO), Valencia, España
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Porta C, Bamias A, Danesh FR, Dębska-Ślizień A, Gallieni M, Gertz MA, Kielstein JT, Tesarova P, Wong G, Cheung M, Wheeler DC, Winkelmayer WC, Małyszko J. KDIGO Controversies Conference on onco-nephrology: understanding kidney impairment and solid-organ malignancies, and managing kidney cancer. Kidney Int 2020; 98:1108-1119. [PMID: 33126977 DOI: 10.1016/j.kint.2020.06.046] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 05/28/2020] [Accepted: 06/10/2020] [Indexed: 12/12/2022]
Abstract
The association between kidney disease and cancer is multifaceted and complex. Persons with chronic kidney disease (CKD) have an increased incidence of cancer, and both cancer and cancer treatments can cause impaired kidney function. Renal issues in the setting of malignancy can worsen patient outcomes and diminish the adequacy of anticancer treatments. In addition, the oncology treatment landscape is changing rapidly, and data on tolerability of novel therapies in patients with CKD are often lacking. Caring for oncology patients has become more specialized and interdisciplinary, currently requiring collaboration among specialists in nephrology, medical oncology, critical care, clinical pharmacology/pharmacy, and palliative care, in addition to surgeons and urologists. To identify key management issues in nephrology relevant to patients with malignancy, KDIGO (Kidney Disease: Improving Global Outcomes) assembled a global panel of multidisciplinary clinical and scientific expertise for a controversies conference on onco-nephrology in December 2018. This report covers issues related to kidney impairment and solid organ malignancies as well as management and treatment of kidney cancer. Knowledge gaps, areas of controversy, and research priorities are described.
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Affiliation(s)
- Camillo Porta
- Department of Internal Medicine and Therapeutics, University of Pavia and Division of Translational Oncology, IRCCS Istituti Clinici Scientifici Maugeri, Pavia, Italy.
| | - Aristotelis Bamias
- Second Propaedeutic Department of Internal Medicine, National and Kapodistrian University of Athens, Greece
| | - Farhad R Danesh
- Section of Nephrology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA
| | - Alicja Dębska-Ślizień
- Clinical Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Gdańsk, Poland
| | - Maurizio Gallieni
- Nephrology and Dialysis Unit, Luigi Sacco Department of Biomedical and Clinical Sciences, Università di Milano, Milan, Italy
| | - Morie A Gertz
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Jan T Kielstein
- Medical Clinic V, Nephrology, Rheumatology, Blood Purification, Academic Teaching Hospital Braunschweig, Braunschweig, Germany
| | - Petra Tesarova
- Department of Oncology, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Germaine Wong
- Centre for Kidney Research, The Children's Hospital at Westmead, Westmead, New South Wales, Australia; Sydney School of Public Health, University of Sydney, New South Wales, Australia
| | | | - David C Wheeler
- Department of Renal Medicine, University College London, London, UK; George Institute for Global Health, Sydney, Australia
| | - Wolfgang C Winkelmayer
- Selzman Institute for Kidney Health, Section of Nephrology, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
| | - Jolanta Małyszko
- Department of Nephrology, Dialysis, and Internal Medicine, Medical University of Warsaw, Poland.
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11
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Miyoshi K, Onoda H, Tanabe M, Nakao S, Higashi M, Iida E, Okada M, Furukawa M, Ito K. Image quality in dual-source multiphasic dynamic computed tomography of the abdomen: evaluating the effects of a low tube voltage (70 kVp) in combination with contrast dose reduction. Abdom Radiol (NY) 2020; 45:3755-3762. [PMID: 32382819 DOI: 10.1007/s00261-020-02565-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE To compare the image quality of multiphasic (arterial, portal, and equilibrium phases) dynamic computed tomography (CT) of the abdomen obtained by a low tube voltage (70kVp) in combination with a half-dose iodine load using low-concentration contrast agent in high tube output dual-source CT with a standard tube voltage (120kVp) and full-dose iodine load using the same group of adult patients. METHODS Fifty-five patients who underwent both low-tube-voltage (70kVp) abdominal CT with a half-dose iodine load and standard-tube-voltage (120kVp) CT with a full-dose iodine load were analyzed. The mean CT values and signal-to-noise ratio (SNR) of the liver, aorta and portal veins were quantitatively assessed. In addition, the contrast enhancement of the abdominal organs and overall image quality were qualitatively evaluated. RESULTS The mean CT values and SNR of the liver parenchyma were significantly higher in 70-kVp protocol than in 120-kVp protocol in all 3 phases (p = 0.018 ~ < 0.001). Regarding the qualitative analysis, the overall image quality in the 70-kVp protocol was significantly better than in the 120-kVp protocol in all 3 phases (p < 0.001). In addition, the contrast enhancement scores of the liver parenchyma and hepatic vein in the equilibrium phase were also significantly higher in the 70-kVp protocol than in the 120-kVp protocol (p < 0.001). CONCLUSION A low tube voltage (70kVp) in combination with a half-dose iodine load using a low-concentration contrast agent and an iterative reconstruction algorithm in high tube output dual-source CT may improve the contrast enhancement and image quality in multiphasic dynamic CT of the abdomen in patients under 71 kg of body weight.
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Affiliation(s)
- Keisuke Miyoshi
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Hideko Onoda
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Mashiro Tanabe
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Sei Nakao
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Mayumi Higashi
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Etsushi Iida
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Munemasa Okada
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Matakazu Furukawa
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan
| | - Katsuyoshi Ito
- Department of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minami-Kogushi, Ube, Yamaguchi, 755-8505, Japan.
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Gökyer A, Küçükarda A, Köstek O, Hacıoğlu MB, Uzunoğlu S, Kula O, Kurt N, Üstündağ S, Erdoğan B, Çiçin İ. Contrast nephropathy in cancer patients receiving anti-VEGF therapy: a prospective study. Int J Clin Oncol 2020; 25:1757-1762. [PMID: 32591963 DOI: 10.1007/s10147-020-01729-3] [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] [Received: 03/09/2020] [Accepted: 06/13/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVES Contrast nephropathy risk has been increasing in cancer patients. Nephrotoxic side effects of anti-vascular endothelial growth factor/receptor (anti-VEGF/R) drugs used in oncologic treatment are also prominent. The purpose of this study was to identify the possible association among anti-VEGF/R drugs use and development of the contrast-induced nephropathy (CIN) in patients with cancers. METHODS A total of 92 patients were included in this prospective cross-sectional study. Patients whose glomerular filtration rate (GFR) of < 50 ml/min, hemoglobin of < 10 g/dl, and eastern cooperative oncology group (ECOG) score of ≥ 2 and had received nephrotoxic drugs were not included in the study. Blood samples were collected baseline at pre computed tomography (CT) and day 2, day 3 and day 7 later CT imaging. CIN was defined as either an increased serum creatinine value of 0.5 mg/dl or increased 25% to baseline. CIN frequency between groups receivingand not receiving anti-VEGF/R was compared using the chi-squared test. CIN frequency between bevacizumab and other anti-VEGF/R was also analyzed. RESULTS There were 39 patients in the anti-VEGF/R (+) group and 53 patients in the anti-VEGF/R (-) group. Eleven patients (28%) in the anti-VEGF/R (+) group and 3 patients (5.6%) in the anti-VEGF/R (-) group had CIN (p = 0.006). In the anti-VEGF/R (+) group, 23 patients received bevacizumab (combined with FOLFOX/FOLFIRI), while 16 patients received other anti-VEGF/R (sunitinib, axitinib, regorafenib, aflibercept) effective treatments. CIN ratio in patients who received bevacizumab or other anti-VEGFR therapy was similar (p = 0 = 50). Of the patients, one patient had acute kidney injury leading to death. CONCLUSION CIN was significantly more frequent in cancer patients who receiving anti-VEGF/R drugs than those not receiving anti-VEGF/R drugs.
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Affiliation(s)
- Ali Gökyer
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey.
| | - Ahmet Küçükarda
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey
| | - Osman Köstek
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey
| | - Muhammet Bekir Hacıoğlu
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey
| | - Sernaz Uzunoğlu
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey
| | - Osman Kula
- Department of Radiology, Trakya University School of Medicine, Edirne, Turkey
| | - Nazmi Kurt
- Department of Radiology, Trakya University School of Medicine, Edirne, Turkey
| | - Sedat Üstündağ
- Division of Nephrology, Department of Internal Medicine, Trakya University School of Medicine, Edirne, Turkey
| | - Bülent Erdoğan
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey
| | - İrfan Çiçin
- Division of Medical Oncology, Department of Internal Medicine, Trakya University School of Medicine, 22030, Edirne, Turkey
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13
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Werner S, Bez C, Hinterleitner C, Horger M. Incidence of contrast-induced acute kidney injury (CI-AKI) in high-risk oncology patients undergoing contrast-enhanced CT with a reduced dose of the iso-osmolar iodinated contrast medium iodixanol. PLoS One 2020; 15:e0233433. [PMID: 32437415 PMCID: PMC7241755 DOI: 10.1371/journal.pone.0233433] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 05/05/2020] [Indexed: 12/18/2022] Open
Abstract
Objectives To determine the incidence of post-contrast acute kidney injury (PC-AKI) and presumed contrast-induced acute kidney injury (CI-AKI) following contrast-enhanced CT (CECT) with intravenous application of a reduced dose of the iso-osmolar contrast agent iodixanol in cancer patients with chronic kidney disease. Methods 198 oncology patients with a baseline estimated glomerular filtration rate (eGFR) <60ml/min/1.73m2 undergoing a total of 237 CECTs using a reduced dose of 60ml iodixanol were retrospectively analyzed. Statistical analysis was performed for the entire cohort and subgroups. The effect of additional risk factors on the occurrence of PC-AKI was evaluated. Results The overall PC-AKI incidence was 6.3%. Excluding patients with concurrent medical conditions known to directly and independently impact kidney function and patients with AKI preceding the CT-scan resulted in a presumed CI-AKI incidence of 3.8%. No permanent post-contrast worsening of renal function and no AKI treatment were required. Subgroups considering baseline eGFR yielded PC-AKI incidences of 4.6% (eGFR 45-60ml/min/1.73m2, n = 130), 7.4% (eGFR 30-45ml/min/1.73m2, n = 95) and 16.7% (eGFR <30ml/min/1.73m2, n = 12). Additional patient related risk factors did not show any significant effect on the occurrence of PC-AKI. Conclusions Low incidences of PC-AKI/CI-AKI suggest that a reduced dose of an iso-osmolar contrast agent is safe in high-risk oncological patients with impaired renal function.
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Affiliation(s)
- Sebastian Werner
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
- * E-mail:
| | - Christian Bez
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
| | - Clemens Hinterleitner
- Department of Internal Medicine II–Haematology, Oncology, Clinical Immunology and Rheumatology, University Hospital Tübingen, Tübingen, Germany
| | - Marius Horger
- Department of Diagnostic and Interventional Radiology, University Hospital Tübingen, Tübingen, Germany
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14
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Cosmai L, Porta C, Privitera C, Gesualdo L, Procopio G, Gori S, Laghi A. Acute kidney injury from contrast-enhanced CT procedures in patients with cancer: white paper to highlight its clinical relevance and discuss applicable preventive strategies. ESMO Open 2020; 5:e000618. [PMID: 32205339 PMCID: PMC7204797 DOI: 10.1136/esmoopen-2019-000618] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/27/2019] [Accepted: 12/31/2019] [Indexed: 01/09/2023] Open
Abstract
Patients with cancer are subjected to several imaging examinations which frequently require the administration of contrast medium (CM). However, it has been estimated that acute kidney injury (AKI) due to the injection of iodinated CM accounts for 11% of all cases of AKI, and it is reported in up to 2% of all CT examinations. Remarkably, the risks of developing AKI are increased in the elderly, in patients with chronic kidney disease or diabetes, and with dehydration or administration of nephrotoxic chemotherapeutics. Given the common occurrence of postcontrast acute kidney injury (PC-AKI) in clinical practice, primary care physicians and all specialists involved in managing patients with cancer should be aware of the strategies to reduce the risk of this event. In 2018, a panel of four experts from the specialties of radiology, oncology and nephrology were speakers at the annual meeting of the Italian Society of Medical Radiology (Società Italiana di Radiologia Medica e Interventistica), with the aim of commenting on existing evidence and providing their experience on the incidence and management of PC-AKI in patients with cancer. The discussion represented the basis for this white paper, which is intended to be a practical guide organised by statements describing methods to reduce renal injury risks related to CM-enhanced CT examinations in patients with cancer.
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Affiliation(s)
- Laura Cosmai
- Onconephrology Outpatients Clinic, Nephrology and Dialysis, ASST Santi Carlo e Paolo, San Paolo Hospital, Milan, Italy
| | - Camillo Porta
- Division of Translational Oncology, IRCCS Istituti Clinici Scientifici Maugeri, Pavia, Italy
- Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
| | - Carmelo Privitera
- Division of Radiology, Azienda Ospedaliero-Universitaria Policlinico Vittorio Emanuele, Catania, Italy
| | - Loreto Gesualdo
- Department of Emergency and Organ Transplantation, Nephrology, Dialysis and Transplantation Unit, University of Bari 'Aldo Moro', Bari, Italy
| | - Giuseppe Procopio
- Department of Medical Oncology, Fondazione IRCCS, Istituto Nazionale dei Tumori, Milano, Italy
| | - Stefania Gori
- Oncologia Medica, Ospedale Don Calabria-Sacro Cuore di Negrar, Verona, Italy
| | - Andrea Laghi
- Department of Surgical and Medical Sciences and Translational Medicine, "Sapienza" University of Rome, Sant'Andrea University Hospital, Rome, Italy
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15
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Desbuissons G, Izzedine H, Bardier A, Dubreuil O, Vaillant JC, Frochot V, Mercadal L. Oxalate nephropathy is a major cause of kidney injury in surgically treated pancreatic adenocarcinoma patients. Clin Kidney J 2019; 12:821-828. [PMID: 31807294 PMCID: PMC6885689 DOI: 10.1093/ckj/sfz015] [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: 11/20/2018] [Indexed: 12/03/2022] Open
Abstract
Background Despite new therapeutics, the prognosis for pancreatic cancer remains poor. Pancreatic surgery is a therapeutic option in non-metastatic forms. The consequences for renal function are poorly described. Methods Patients who underwent surgery for pancreatic cancer between 1 January 2010 and 1 January 2017 and who experienced kidney biopsy in the Pitié-Salpêtrière Hospital were analysed. Results Two hundred and ninety-four patients had pancreatic surgery during the period of analysis and five of them had a kidney biopsy (mean ± SD 20 months ±13.6 months after surgery) during the post-operative follow-up. Among these patients, three exhibited oxalate nephropathy (ON), indicating that the prevalence of ON in patients with pancreatectomy is at least 1%. ON may be insidious, with chronic renal failure without urinary abnormalities. All patients had a high oxalate-to-creatinine ratio in urine sample. Renal function improved after specific management of ON in two patients. Pancreaticoduodenectomy may represent a higher risk of ON than left pancreatectomy. Conclusion Although rare and underestimated, ON appears to be a real risk after pancreatic resection. Early detection may preserve renal function.
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Affiliation(s)
- Geoffroy Desbuissons
- Nephrology Department, Pitié-Salpêtrière University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France.,Division of Nephrology, RAMSAY-Générale de Santé, Hôpital privé de l'Ouest Parisien, Trappes, France
| | - Hassan Izzedine
- Nephrology Department, Pitié-Salpêtrière University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France.,Division of Oncology, RAMSAY-Générale de Santé, Hôpital Privé Les Peupliers, Paris, France
| | - Armelle Bardier
- Pathology Department, Pitié-Salpêtrière University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Olivier Dubreuil
- Oncology Department, Pitié-Salpêtrière University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Jean Christophe Vaillant
- Department of Hepato Pancreato Biliary Surgery, Pitié-Salpêtrière University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Vincent Frochot
- Physiology Unit, Tenon University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Lucile Mercadal
- Nephrology Department, Pitié-Salpêtrière University Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France
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16
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Rate and risk factors for AKI after CT scans in a cancer cohort
. Clin Nephrol 2019; 91:147-154. [PMID: 30415653 PMCID: PMC6727567 DOI: 10.5414/cn109591] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2019] [Indexed: 01/20/2023] Open
Abstract
Aims: The proinflammatory milieu in cancer patients may expose them to increased risk for acute kidney injury (AKI) after IV contrast (CON). The aims of this study were to determine: (1) the rates of AKI after CON and noncontrast (NC) CT scans in cancer inpatients, (2) if rates differed among cancer subtypes, and (3) whether recent chemotherapy, comorbid conditions, or nephrotoxins increase AKI after CON. Materials and methods: Retrospective data was collected on adults who had received a CON or NC CT from January 1, 2012 to December 30, 2014. AKI was defined as a > 1.5× increased baseline creatinine. Data was analyzed using Rao-Scott χ2-test, propensity score matching, and logistic regressions. Results: A total of 7,512 CT scans were performed in 4,456 patients (4,958 NC, 2,554 CON). The rate for AKI with CON was 7.3% and 11.4% (p < 0.001) with NC imaging. The risk of AKI increased with lower baseline eGFR: for eGFR ≤ 29 mL/min/1.73m2, OR = 1.83 (p = 0.0002); for eGFR 30 – 59 mL/min/1.73m2, OR = 1.5 compared to eGFR ≥ 60 mL/min/1.73m2 (p < 0.0001). AKI rates were higher when any chemotherapy was given within 60 days of CT (OR = 1.22, p < 0.02), with congestive heart failure (OR 1.51, p = 0.0006), and history of AKI (OR 3.89, p < 0.0001). In 1:1 propensity score matched samples, the OR for AKI after CON was 0.87 (p = 0.23) compared to NC. Conclusion: In cancer patients, eGFR below 59 mL/min/1.73m2 were associated with increased rate of AKI, independent of contrast exposure. Congestive heart failure and prior AKI were also associated with increased rates of AKI.
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17
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Ng CS, Kalva SP, Gunnarsson C, Ryan MP, Baker ER, Mehta RL. Risk of renal events following intravenous iodinated contrast material administration among inpatients admitted with cancer a retrospective hospital claims analysis. Cancer Imaging 2018; 18:30. [PMID: 30143056 PMCID: PMC6109283 DOI: 10.1186/s40644-018-0159-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 07/21/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND There is little published evidence examining the use of contrast material (CM) and the risk of acute renal adverse events (AEs) in individuals with increasingly common risk factors including cancer and chronic kidney disease (CKD). The objective of this study was to use real world hospital data to test the hypothesis that inpatients with cancer having CT procedures with iodinated CM would have higher rates of acute renal AEs in comparison to inpatients without cancer. METHODS Inpatient hospital visits in the Premier Hospital Database from January 1, 2010 through September 30, 2015 were eligible for inclusion. The outcome of interest was a composite of acute renal AEs including: acute kidney injury, acute renal failure requiring dialysis, contrast induced-acute kidney injury and renal failure. Multivariable models, adjusted for differences in patient demographics and comorbid conditions, were used to estimate the incremental risk of acute renal AEs by CT (with or without iodinated CM), CKD stage and type of cancer. RESULTS Among 29,850,475 inpatient visits across 611 hospitals, 7.4% had record of a CT scan, 5.9% had CKD, and 3.4% had the primary diagnosis of cancer. The baseline risk for an acute renal AE in patients without cancer or CKD and no CT or CM was 0.5%. The absolute risk increases from baseline by 0.2% with a CT and by 0.8% with iodinated CM. Patients with CKD having a CT scan with iodinated CM have an absolute risk of 4.1 to 9.7% depending on the stage of CKD. For patients with cancer, the absolute risk increases, varying from 0.3 to 2.3% depending on the type of cancer. CONCLUSIONS Inpatients with cancer are at higher likelihood of developing acute renal AEs following CT with iodinated CM compared to those without a cancer. Understanding the underlying risks of acute renal AEs among complex inpatient admissions is an important consideration in treatment choices for oncology patients.
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Affiliation(s)
- Chaan S Ng
- MD Anderson Cancer Center, 1515 Holcombe Boulevard, Houston, TX, 77030-4009, USA
| | - Sanjeeva P Kalva
- University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, 75390-8834, TX, USA
| | - Candace Gunnarsson
- CTI Clinical Trial & Consulting Services100 E, RiverCenter Blvd, Covington, KY, 41011, USA.
| | - Michael P Ryan
- CTI Clinical Trial & Consulting Services100 E, RiverCenter Blvd, Covington, KY, 41011, USA
| | - Erin R Baker
- CTI Clinical Trial & Consulting Services100 E, RiverCenter Blvd, Covington, KY, 41011, USA
| | - Ravindra L Mehta
- University of California San Diego 0892 UCSD Medical Center, 9500 Gilman Drive, La Jolla, CA, 92037, USA
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18
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Factors affecting the incidence of contrast-induced nephropathy in patients undergoing computed tomography. RADIOLOGIA 2018. [DOI: 10.1016/j.rxeng.2018.03.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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19
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Kim H, Lee M, Cha MU, Nam KH, An SY, Park S, Jhee JH, Yun HR, Kee YK, Park JT, Yoo TH, Kang SW, Han SH. Microscopic hematuria is a risk factor of incident chronic kidney disease in the Korean general population: a community-based prospective cohort study. QJM 2018; 111:389-397. [PMID: 29554373 DOI: 10.1093/qjmed/hcy054] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Although asymptomatic microscopic hematuria (MH) is a common finding in clinical practice, its long-term outcome remains unknown. AIM This study evaluated the clinical implication of MH in the general population using a large-scale long-term longitudinal cohort database. METHODS This study included 8719 participants from the Korean Genome and Epidemiology Study between 2001 and 2014. MH was defined as ≥5 red blood cells per high-power field in random urinalysis without evidence of pyuria. The primary study outcome measure was incident chronic kidney disease (CKD), defined as estimated glomerular filtration rate <60 ml min-1⋅1.73⋅m-2. RESULTS During a median follow-up of 11.7 years, CKD occurred in 677 (7.8%) subjects. In Cox regression after adjustment for multiple confounders, subjects with MH had a significantly higher risk of incident CKD than those without [hazard ratio (HR) 1.45, 95% confidence interval (CI) 1.12-1.87; P = 0.005]. Isolated MH without proteinuria was also a risk factor of incident CKD (HR 1.37, 95% CI 1.04-1.79; P = 0.023) and the risk was further increased in MH with concomitant proteinuria (HR 5.41, 95% CI 2.54-11.49; P < 0.001). In propensity score matching analysis after excluding subjects with proteinuria, multi-variable stratified Cox regression analysis revealed that subjects with isolated MH had a significantly higher risk of incident CKD than those without (HR 1.83, 95% CI 1.14-2.94; P = 0.012). CONCLUSION The presence of MH is associated with an increased risk of incident CKD in the general population. Therefore, attentive follow-up is warranted in persons with MH for early detection of CKD.
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Affiliation(s)
- H Kim
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
- Division of Nephrology, Soonchunhyang University Hospital, Seoul, Korea
| | - M Lee
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - M-U Cha
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - K H Nam
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - S Y An
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - S Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - J H Jhee
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - H-R Yun
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - Y K Kee
- Department of Internal Medicine, Hangang Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - J T Park
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - T-H Yoo
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - S-W Kang
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
| | - S H Han
- Department of Internal Medicine, College of Medicine, Institute of Kidney Disease Research, Yonsei University, Seoul, Korea
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Heras Benito M, Garrido Blázquez M, Gómez Sanz Y, Bernardez Mardomingo M, Ruiz Cacho J, Rodríguez Recio FJ, Fernández-Reyes Luis MJ. Factors affecting the incidence of contrast-induced nephropathy in patients undergoing computed tomography. RADIOLOGIA 2018; 60:326-331. [PMID: 29779857 DOI: 10.1016/j.rx.2018.03.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 02/27/2018] [Accepted: 03/29/2018] [Indexed: 01/18/2023]
Abstract
OBJECTIVE To analyze the incidence of contrast-induced nephropathy in a cohort of patients undergoing computed tomography (CT) with intravenous iodinated contrast material. To evaluate the efficacy of N-acetylcysteine in preventing contrast-induced nephropathy. PATIENTS AND METHODS This prospective observational study was carried out in the months comprising March 2016 through July 2016. We selected the first five patients scheduled to undergo CT examination each day who agreed to participate and signed the informed consent form. We recorded patients' cardiovascular histories, chronic treatments, and indications for the CT examination. We measured blood levels of creatinine and urea before and after the CT examination. We used the Modification of Diet in Renal Disease (MDRD-4) equation to estimate the glomerular filtration rate. We analyzed the type and dose of contrast material. We recorded whether N-acetylcysteine was administered before the CT examination. We used SPSS 15.0® to compare means and proportions. Statistical significance was set at p < 0.05. RESULTS No incidents of contrast-induced nephropathy were detected in any of the 202 patients included [mean age, 63.92 ± 12 years (range 22-87); 57.4% male; 21.8% diabetic; 39.6% hypertensive; 87.1% had MDRD4 ≥ 60 ml/min/1.73 m2 (89.45 ± 14, range 62.36-134.14) and 12.9% had MDRD4 < 60 ml/min/1.73 m2 (45.38 ± 11, range 9.16-58.90)]. The most common indication for CT examinations was oncologic (81.2%). The only contrast agent administered was iopamidol; the mean dose was 107.83 ± 11 ml (range 70-140). The mean interval between pre-CT and post-CT laboratory tests was 4.06 ± 1 days. Only 13 patients received N-acetylcysteine; 9 of these had MDRD < 60 ml/min/1.73 m2 and 4 had MDRD4 ≥ 60 ml/min/1.73 m2 (p = 0.000). CONCLUSIONS The incidence of contrast-induced nephropathy was not significant in patients with glomerular filtration rates greater than 30 ml/min/1.73 m2: these favorable results might be due to analyzing only scheduled examinations and to using relatively low doses of a "nonionic" iodinated contrast agent.
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Affiliation(s)
- M Heras Benito
- Servicio de Nefrología, Hospital General de Segovia, Segovia, España.
| | | | - Y Gómez Sanz
- Enfermería, Servicio de Radiología, Hospital General de Segovia, Segovia, España
| | | | - J Ruiz Cacho
- Servicio de Análisis Clínicos, Hospital General de Segovia, Segovia, España
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21
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Nagayama Y, Tanoue S, Tsuji A, Urata J, Furusawa M, Oda S, Nakaura T, Utsunomiya D, Yoshida E, Yoshida M, Kidoh M, Tateishi M, Yamashita Y. Application of 80-kVp scan and raw data-based iterative reconstruction for reduced iodine load abdominal-pelvic CT in patients at risk of contrast-induced nephropathy referred for oncological assessment: effects on radiation dose, image quality and renal function. Br J Radiol 2018; 91:20170632. [PMID: 29470108 DOI: 10.1259/bjr.20170632] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE To evaluate the image quality, radiation dose, and renal safety of contrast medium (CM)-reduced abdominal-pelvic CT combining 80-kVp and sinogram-affirmed iterative reconstruction (SAFIRE) in patients with renal dysfunction for oncological assessment. METHODS We included 45 patients with renal dysfunction (estimated glomerular filtration rate <45 ml per min per 1.73 m2) who underwent reduced-CM abdominal-pelvic CT (360 mgI kg-1, 80-kVp, SAFIRE) for oncological assessment. Another 45 patients without renal dysfunction (estimated glomerular filtration rate >60 ml per lmin per 1.73 m2) who underwent standard oncological abdominal-pelvic CT (600 mgI kg-1, 120-kVp, filtered-back projection) were included as controls. CT attenuation, image noise, and contrast-to-noise ratio (CNR) were compared. Two observers performed subjective image analysis on a 4-point scale. Size-specific dose estimate and renal function 1-3 months after CT were measured. RESULTS The size-specific dose estimate and iodine load of 80-kVp protocol were 32 and 41%,, respectively, lower than of 120-kVp protocol (p < 0.01). CT attenuation and contrast-to-noise ratio of parenchymal organs and vessels in 80-kVp images were significantly better than those of 120-kVp images (p < 0.05). There were no significant differences in quantitative or qualitative image noise or subjective overall quality (p > 0.05). No significant kidney injury associated with CM administration was observed. CONCLUSION 80-kVp abdominal-pelvic CT with SAFIRE yields diagnostic image quality in oncology patients with renal dysfunction under substantially reduced iodine and radiation dose without renal safety concerns. Advances in knowledge: Using 80-kVp and SAFIRE allows for 40% iodine load and 32% radiation dose reduction for abdominal-pelvic CT without compromising image quality and renal function in oncology patients at risk of contrast-induced nephropathy.
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Affiliation(s)
- Yasunori Nagayama
- 1 Department of Radiology, Kumamoto City Hospital , Kumamoto , Japan.,2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Shota Tanoue
- 1 Department of Radiology, Kumamoto City Hospital , Kumamoto , Japan.,2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Akinori Tsuji
- 1 Department of Radiology, Kumamoto City Hospital , Kumamoto , Japan
| | - Joji Urata
- 1 Department of Radiology, Kumamoto City Hospital , Kumamoto , Japan
| | | | - Seitaro Oda
- 2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Takeshi Nakaura
- 2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Daisuke Utsunomiya
- 2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Eri Yoshida
- 1 Department of Radiology, Kumamoto City Hospital , Kumamoto , Japan.,2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Morikatsu Yoshida
- 2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Masafumi Kidoh
- 2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Machiko Tateishi
- 1 Department of Radiology, Kumamoto City Hospital , Kumamoto , Japan.,2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
| | - Yasuyuki Yamashita
- 2 Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University , Kumamoto , Japan
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22
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Nagayama Y, Nakaura T, Oda S, Utsunomiya D, Funama Y, Iyama Y, Taguchi N, Namimoto T, Yuki H, Kidoh M, Hirata K, Nakagawa M, Yamashita Y. Dual-layer DECT for multiphasic hepatic CT with 50 percent iodine load: a matched-pair comparison with a 120 kVp protocol. Eur Radiol 2017; 28:1719-1730. [PMID: 29063254 DOI: 10.1007/s00330-017-5114-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 09/15/2017] [Accepted: 10/02/2017] [Indexed: 01/17/2023]
Abstract
OBJECTIVES To evaluate the image quality and lesion conspicuity of virtual-monochromatic-imaging (VMI) with dual-layer DECT (DL-DECT) for reduced-iodine-load multiphasic-hepatic CT. METHODS Forty-five adults with renal dysfunction who had undergone hepatic DL-DECT with 300-mgI/kg were included. VMI (40-70-keV, DL-DECT-VMI) was generated at each enhancement phase. As controls, 45 matched patients undergoing standard 120-kVp protocol (120-kVp, 600-mgI/kg, and iterative reconstruction) were included. We compared the size-specific dose estimate (SSDE), image noise, CT attenuation, and contrast-to-noise ratio (CNR) between protocols. Two radiologists scored the image quality and lesion conspicuity. RESULTS SSDE was significantly lower in DL-DECT group (p < 0.01). Image noise of DL-DECT-VMI was almost constant at each keV (differences of ≤15%) and equivalent to or lower than of 120-kVp. As the energy decreased, CT attenuation and CNR gradually increased; the values of 55-60 keV images were almost equivalent to those of standard 120-kVp. The highest scores for overall quality and lesion conspicuity were assigned at 40-keV followed by 45 to 55-keV, all of which were similar to or better than of 120-kVp. CONCLUSIONS For multiphasic-hepatic CT with 50% iodine-load, DL-DECT-VMI at 40- to 55-keV provides equivalent or better image quality and lesion conspicuity without increasing radiation dose compared with standard 120-kVp protocol. KEY POINTS • 40-55-keV yields optimal image quality for half-iodine-load multiphasic-hepatic CT with DL-DECT. • DL-DECT protocol decreases radiation exposure compared with 120-kVp scans with iterative reconstruction. • 40-keV images maximise conspicuity of hepatocellular carcinoma especially at hepatic-arterial phase.
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Affiliation(s)
- Yasunori Nagayama
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan.
| | - Takeshi Nakaura
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Seitaro Oda
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Daisuke Utsunomiya
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Yoshinori Funama
- Department of Medical Physics, Faculty of Life Sciences, Kumamoto University, 4-24-1 Kuhonji, Chuo-ku, Kumamoto, 862-0976, Japan
| | - Yuji Iyama
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Narumi Taguchi
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Tomohiro Namimoto
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Hideaki Yuki
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Masafumi Kidoh
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Kenichiro Hirata
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Masataka Nakagawa
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
| | - Yasuyuki Yamashita
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1, Honjo, Chuo-ku, Kumamoto, 860-8556, Japan
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23
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Nagayama Y, Nakaura T, Oda S, Tsuji A, Urata J, Furusawa M, Tanoue S, Utsunomiya D, Yamashita Y. Value of 100 kVp scan with sinogram-affirmed iterative reconstruction algorithm on a single-source CT system during whole-body CT for radiation and contrast medium dose reduction: an intra-individual feasibility study. Clin Radiol 2017; 73:217.e7-217.e16. [PMID: 29029768 DOI: 10.1016/j.crad.2017.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 07/04/2017] [Accepted: 09/12/2017] [Indexed: 01/28/2023]
Abstract
AIM To perform an intra-individual investigation of the usefulness of a contrast medium (CM) and radiation dose-reduction protocol using single-source computed tomography (CT) combined with 100 kVp and sinogram-affirmed iterative reconstruction (SAFIRE) for whole-body CT (WBCT; chest-abdomen-pelvis CT) in oncology patients. MATERIALS AND METHODS Forty-three oncology patients who had undergone WBCT under both 120 and 100 kVp protocols at different time points (mean interscan intervals: 98 days) were included retrospectively. The CM doses for the 120 and 100 kVp protocols were 600 and 480 mg iodine/kg, respectively; 120 kVp images were reconstructed with filtered back-projection (FBP), whereas 100 kVp images were reconstructed with FBP (100 kVp-F) and the SAFIRE (100 kVp-S). The size-specific dose estimate (SSDE), iodine load and image quality of each protocol were compared. RESULTS The SSDE and iodine load of 100 kVp protocol were 34% and 21%, respectively, lower than of 120 kVp protocol (SSDE: 10.6±1.1 versus 16.1±1.8 mGy; iodine load: 24.8±4versus 31.5±5.5 g iodine, p<0.01). Contrast enhancement, objective image noise, contrast-to-noise-ratio, and visual score of 100 kVp-S were similar to or better than of 120 kVp protocol. CONCLUSION Compared with the 120 kVp protocol, the combined use of 100 kVp and SAFIRE in WBCT for oncology assessment with an SSCT facilitated substantial reduction in the CM and radiation dose while maintaining image quality.
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Affiliation(s)
- Y Nagayama
- Department of Radiology, Kumamoto City Hospital 1-1-60, Koto, Higashi-ku, Kumamoto City, 862-0909, Japan; Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto 860-8556, Japan.
| | - T Nakaura
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto 860-8556, Japan
| | - S Oda
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto 860-8556, Japan
| | - A Tsuji
- Department of Radiology, Kumamoto City Hospital 1-1-60, Koto, Higashi-ku, Kumamoto City, 862-0909, Japan
| | - J Urata
- Department of Radiology, Kumamoto City Hospital 1-1-60, Koto, Higashi-ku, Kumamoto City, 862-0909, Japan
| | - M Furusawa
- Department of Radiology, Kumamoto City Hospital 1-1-60, Koto, Higashi-ku, Kumamoto City, 862-0909, Japan
| | - S Tanoue
- Department of Radiology, Kumamoto City Hospital 1-1-60, Koto, Higashi-ku, Kumamoto City, 862-0909, Japan; Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto 860-8556, Japan
| | - D Utsunomiya
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto 860-8556, Japan
| | - Y Yamashita
- Department of Diagnostic Radiology, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Chuo-ku, Kumamoto 860-8556, Japan
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24
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Incidence of Contrast-Induced Nephropathy in Patients with Multiple Myeloma Undergoing Contrast-Enhanced Procedures. Pathol Oncol Res 2017; 24:915-919. [DOI: 10.1007/s12253-017-0300-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Accepted: 09/01/2017] [Indexed: 02/07/2023]
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25
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Terrenato I, Sperati F, Musicco F, Pozzi AF, di Turi A, Caterino M, de Lutio di Castelguidone E, Setola SV, Bellomi M, Neumaier CE, Conti L, Cigliana G, Merola R, Antenucci A, Orlandi G, Giordano A, Barba M, Canitano S. Iodixanol versus iopromide in cancer patients: Evidence from a randomized clinical trial. J Cell Physiol 2017; 233:2572-2580. [PMID: 28777459 DOI: 10.1002/jcp.26132] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 08/03/2017] [Indexed: 01/10/2023]
Abstract
To assess the safety profile of iso-osmolar contrast medium (CM) versus low osmolar CM in cancer patients with an estimated glomerular filtration rate (eGFR) >60 ml/min. In this multicenter, blind trial of patients seeking a chest-abdomen-pelvis contrast enhanced computed tomography (CT) with iodated CM, participants were centrally randomized to iodixanol or iopromide. Contrast induced nephropathy (CIN) at 24 and/or 72 hr were our primary outcomes. We further considered irreversible CIN, average eGFR percentage variation (%Δ), and adverse events (AEs). Overall, 607 patients were enrolled. Among them, 497 eligible patients were randomized to iodixanol (N: 247) or iopromide (N: 250). No differences emerged by descriptive characteristics. Seven and 3 CIN at 24 hr (p = 0.34) and 8 and 2 CIN at 72 hr (p = 0.11) occurred in the iopromide and iodixanol group, respectively. Within the subgroup of individual patients who developed CIN (N: 17), the event rate was higher in the iopromide arm (p = 0.045). No cases of permanent CIN or significant differences in terms of AEs or GFR %Δ were observed. Our results suggest a more favorable safety profile of iodixanol versus iopromide. Adequately sized trials with similar design are warranted to confirm our findings and clarify the underlying biological mechanisms.
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Affiliation(s)
- Irene Terrenato
- Biostatistic Unit, Regina Elena National Cancer Institute, Rome, Italy
| | - Francesca Sperati
- Biostatistic Unit, Regina Elena National Cancer Institute, Rome, Italy
| | - Felice Musicco
- Service of Pharmacovigilance, Regina Elena National Cancer Institute, Rome, Italy
| | | | - Annunziata di Turi
- Scientific Direction, Regina Elena National Cancer Institute, Rome, Italy
| | - Mauro Caterino
- Department of Diagnostic Imaging, Regina Elena National Cancer Institute, Rome, Italy
| | | | - Sergio V Setola
- Department of Diagnostic Imaging, Radiant and Metabolic Therapy, Istituto Nazionale Tumori IRCCS Fondazione Pascale, Naples, Italy
| | - Massimo Bellomi
- Department of Medical Imaging and Radiation Sciences, European Institute of Oncology, Milan, Italy.,Department of Oncology and Hematology-Oncology, University of Milan, Milan, Italy
| | - Carlo E Neumaier
- Diagnostic Imaging and Senology, IRCCS-A.O.U., San Martino-IST, Genoa, Italy
| | - Laura Conti
- Departement of Clinical Patology, Regina Elena National Cancer Institute, Rome, Italy
| | - Giovanni Cigliana
- Departement of Clinical Patology, Regina Elena National Cancer Institute, Rome, Italy
| | - Roberta Merola
- Departement of Clinical Patology, Regina Elena National Cancer Institute, Rome, Italy
| | - Anna Antenucci
- Departement of Clinical Patology, Regina Elena National Cancer Institute, Rome, Italy
| | - Giulia Orlandi
- Departement of Clinical Patology, Regina Elena National Cancer Institute, Rome, Italy
| | - Antonio Giordano
- Department of Medicine, Surgery and Neuroscience, University of Siena and Istituto Toscano Tumori (ITT), Siena, Italy.,Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, Pennsylvania
| | - Maddalena Barba
- Scientific Direction, Regina Elena National Cancer Institute, Rome, Italy.,Division of Medical Oncology 2, Regina Elena National Cancer Institute, Rome, Italy
| | - Stefano Canitano
- Department of Diagnostic Imaging, Regina Elena National Cancer Institute, Rome, Italy
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26
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Małyszko J, Kozlowski L, Kozłowska K, Małyszko M, Małyszko J. Cancer and the kidney: dangereoux liasons or price paid for the progress in medicine? Oncotarget 2017; 8:66601-66619. [PMID: 29029541 PMCID: PMC5630441 DOI: 10.18632/oncotarget.18094] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Accepted: 04/23/2017] [Indexed: 01/10/2023] Open
Abstract
A long time ago, the links between renal disease and malignancy were observed, however, quite recently, their importance was recognized and 'new' subspecialty in nephrology, namely 'onconephrology' was established. In the XXI century, patients with malignancy make up the most growing number of the subjects seen for nephrology consult and/or critical care nephrology services. A plethora of renal problems may be found in patients with malignancy. They may influence not only their short-term outcomes but also the adequate therapy of the underlying oncological problem. Thus, all these kidney-related issues pose an important challenge for both specialities: oncology and nephrology. In the review a spectrum of acute and chronic renal injury caused by the malignancy is presented as well as the associations between renal disease and cancer. Assessment of kidney function and its importance in patients with malignancy is also discussed as medical oncologists should check the appropriate dose of chemotherapeutic drugs in relation to the actual renal function before prescribing them to the patients. Moreover, effects of kidney function on outcomes in oncology is presented. In addition, nephrology services should better understand both the biology of malignancy with its treatment to become a valuable part treating team to yield the best possible outcome. It is important for nephrology services to be acknowledged and to take an active participation in care of oncology patients.
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Affiliation(s)
- Jolanta Małyszko
- Second Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Bialystok, Bialystok, Poland
| | - Leszek Kozlowski
- Department of Oncological Surgery, Ministry of Interior Affairs, Bialystok, Poland
| | - Klaudia Kozłowska
- Second Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Bialystok, Bialystok, Poland
| | - Maciej Małyszko
- Second Department of Nephrology and Hypertension with Dialysis Unit, Medical University of Bialystok, Bialystok, Poland
| | - Jacek Małyszko
- First Department of Nephrology and Transplantology with Dialysis Unit, Medical University of Bialystok, Bialystok, Poland
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27
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Luk L, Steinman J, Newhouse JH. Intravenous Contrast-Induced Nephropathy-The Rise and Fall of a Threatening Idea. Adv Chronic Kidney Dis 2017; 24:169-175. [PMID: 28501080 DOI: 10.1053/j.ackd.2017.03.001] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Contrast-induced nephropathy (CIN) has been considered to be a cause of renal failure for over 50 years, but careful review of past and recent studies reveals the risks of CIN to be overestimated. Older studies frequently cited the use of high-osmolality contrast media, which have since been replaced by low-osmolality contrast media, which have lower risks for nephropathy. In addition, literature regarding CIN typically describes the incidence following cardiac angiography, whereas the risk of CIN from intravenous injection is much lower. Most of the early published literature also lacked appropriate control groups to compare to those that received iodinated contrast, and thus attributed rises in creatinine to intravenous contrast without considering normal creatinine fluctuations (frequent in patients with kidney disease) and other acute pathologic states such as hypotension or nephrotoxic drug administration. The aim of this paper is to review the literature detailing CIN risk, discuss why CIN risk is often overestimated and how withholding contrast can lead to misdiagnosis and delay in appropriate patient management.
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28
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Schreuder SM, Stoker J, Bipat S. Prediction of presence of kidney disease in patients undergoing intravenous iodinated contrast enhanced computed tomography: a validation study. Eur Radiol 2017; 27:1613-1621. [PMID: 27436026 PMCID: PMC5334394 DOI: 10.1007/s00330-016-4478-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 04/26/2016] [Accepted: 06/20/2016] [Indexed: 10/27/2022]
Abstract
OBJECTIVES To validate two previously presented models containing risk factors to identify patients with estimated glomerular filtration rate (eGFR) <60 ml/min/1.73 m2 or eGFR <45 ml/min/1.73 m2. METHODS In random patients undergoing intravenous contrast-enhanced computed tomography (CECT) the following risk factors were assessed: history of urological/nephrological disease, hypertension, diabetes mellitus, anaemia, congestive heart failure, other cardiovascular disease or multiple myeloma or Waldenström disease. Data on kidney function, age, gender and type and indication of CECT were also registered. We studied two models: model A-diabetes mellitus, history of urological/nephrological disease, cardiovascular disease, hypertension; model B-diabetes mellitus, history of urological/nephrological disease, age >75 years and congestive heart failure. For each model, associations with eGFR <60 ml/min/1.73 m2 or eGFR <45 ml/min/1.73 m2 was studied. RESULTS A total of 1,001 patients, mean age 60.36 years were included. In total, 92 (9.2 %) patients had an eGFR <60 ml/min/1.73 m2 and 11 (1.1 %) patients an eGFR <45 ml/min/1.73 m2. Model A detected 543 patients: 81 with eGFR <60 ml/min/1.73 m2 (missing 11) and all 11 with eGFR <45 ml/min/1.73 m2. Model B detected 420 patients: 70 (missing 22) with eGFR <60 ml/min/1.73 m2 and all 11 with eGFR <45 ml/min/1.73 m2. Associations were significant (p < 0.05). CONCLUSIONS Model B resulted in the lowest superfluous eGFR measurements while detecting all patients with eGFR <45 ml/min/1.73 m2 and nearly all with eGFR <60 ml/min/1.73 m2. KEY POINTS • Less than 10% of patients undergoing contrast-enhanced CT have an eGFR of <60ml/min/1.73m 2 • Four risk factors can be used to detect pre-existent kidney disease • It is safe to reduce eGFR measurements using a four-risk-factor model.
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Affiliation(s)
- Sanne M Schreuder
- Department of Radiology, Academic Medical Centre, G1-212, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
| | - Jaap Stoker
- Department of Radiology, Academic Medical Centre, G1-212, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Shandra Bipat
- Department of Radiology, Academic Medical Centre, G1-212, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
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30
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Tao SM, Wichmann JL, Schoepf UJ, Fuller SR, Lu GM, Zhang LJ. Contrast-induced nephropathy in CT: incidence, risk factors and strategies for prevention. Eur Radiol 2015; 26:3310-8. [PMID: 26685852 DOI: 10.1007/s00330-015-4155-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2015] [Revised: 11/28/2015] [Accepted: 12/02/2015] [Indexed: 02/06/2023]
Abstract
UNLABELLED In the past, a high percentage of hospital-acquired renal failure was attributed to contrast media. That position is now very controversial. Recently, doubts have been raised regarding the real relationship between acute kidney injury and intravenous contrast media administration. Similarly, statements about specific methods of preventing contrast-inducing nephropathy have been challenged. This review article addresses the controversies of incidence, causation, and prevention in an attempt to help the practicing radiologist adopt methods for their own department. KEY POINTS • The reported CIN incidence ranges from 2-12 % following contrast-enhanced CT. • Studies without a non-contrast CT control group may overestimate CIN incidence. • Development and application of a comprehensive CIN prevention strategy is recommended.
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Affiliation(s)
- Shu Min Tao
- Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210002, China
| | - Julian L Wichmann
- Division of Cardiovascular Imaging, Medical University of South Carolina, Ashley River Tower, MSC 226, 25 Courtenay Dr, Charleston, SC, 29425, USA.,Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt, Germany
| | - U Joseph Schoepf
- Division of Cardiovascular Imaging, Medical University of South Carolina, Ashley River Tower, MSC 226, 25 Courtenay Dr, Charleston, SC, 29425, USA
| | - Stephen R Fuller
- Division of Cardiovascular Imaging, Medical University of South Carolina, Ashley River Tower, MSC 226, 25 Courtenay Dr, Charleston, SC, 29425, USA
| | - Guang Ming Lu
- Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210002, China
| | - Long Jiang Zhang
- Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, 210002, China.
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31
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Mansouri M, Aran S, Shaqdan KW, Abujudeh HH. How often are Patients Harmed When They Visit the Computed Tomography Suite? A Multi-year Experience, in Incident Reporting, in a Large Academic Medical Center. Eur Radiol 2015; 26:2064-72. [PMID: 26560719 DOI: 10.1007/s00330-015-4061-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 08/27/2015] [Accepted: 10/06/2015] [Indexed: 11/28/2022]
Abstract
OBJECTIVES Our goal is to present our multi-year experience in incident reporting in CT in a large medical centre. METHODS This is an IRB-approved, HIPAA-compliant study. Informed consent was waived for this study. The electronic safety incident reporting system of our hospital was searched for the variables from April 2006 to September 2012. Incident classifications were diagnostic test orders, ID/documentation, safety/security/conduct, service coordination, surgery/procedure, line/tube, fall, medication/IV safety, employee general incident, environment/equipment, adverse drug reaction, skin/tissue and diagnosis/treatment. RESULTS A total of 1918 incident reports occurred in the study period and 843,902 CT examinations were performed. The rate of safety incident was 0.22 % (1918/843,902). The highest incident rates were due to adverse drug reactions (652/843,902 = 0.077 %) followed by medication/IV safety (573/843,902 = 0.068 %) and diagnostic test orders (206/843,902 = 0.024 %). Overall 45 % of incidents (869/1918) caused no harm and did not affect the patient, 33 % (637/1918) caused no harm but affected the patient, 22 % (420/1918) caused temporary or minor harm/damage and less than 1 % (10/1918) caused permanent or major harm/damage or death. CONCLUSION Our study shows a total safety incident report rate of 0.22 % in CT. The most common incidents are adverse drug reaction, medication/IV safety and diagnostic test orders. KEY POINTS • Total safety incident report rate in CT is 0.22 %. • Adverse drug reaction is the most common safety incident in CT. • Medication/IV safety is the second most common safety incident in CT.
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Affiliation(s)
- Mohammad Mansouri
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Founders Building, Room 210, Boston, 02114, MA, USA
| | - Shima Aran
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Founders Building, Room 210, Boston, 02114, MA, USA
| | - Khalid W Shaqdan
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Founders Building, Room 210, Boston, 02114, MA, USA
| | - Hani H Abujudeh
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Founders Building, Room 210, Boston, 02114, MA, USA. .,Department of Radiology, Cooper University Hospital of Rowan University, One Cooper Plaza, Camden, 08103, NJ, USA.
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32
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Nephrotoxic Polypharmacy and Risk of Contrast Medium–Induced Nephropathy in Hospitalized Patients Undergoing Contrast-Enhanced CT. AJR Am J Roentgenol 2015; 205:703-8. [DOI: 10.2214/ajr.15.14329] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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33
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Lesniak W, Bala MM, Dubiel B, Gajewski P. Acetylcysteine for preventing contrast-induced nephropathy. Hippokratia 2015. [DOI: 10.1002/14651858.cd011228.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wiktoria Lesniak
- Polish Institute for Evidence Based Medicine; ul. Krakowska 41 Krakow Poland 31-066
| | - Malgorzata M Bala
- Jagiellonian University Medical College; 2nd Department of Internal Medicine; 8 Skawinska St Krakow Poland 31-066
| | - Bozena Dubiel
- Polish Institute for Evidence Based Medicine; ul. Krakowska 41 Krakow Poland 31-066
| | - Piotr Gajewski
- Polish Institute for Evidence Based Medicine; ul. Krakowska 41 Krakow Poland 31-066
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34
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Hong SI, Ahn S, Lee YS, Kim WY, Lim KS, Lee JH, Lee JL. Contrast-induced nephropathy in patients with active cancer undergoing contrast-enhanced computed tomography. Support Care Cancer 2015; 24:1011-7. [PMID: 26238629 DOI: 10.1007/s00520-015-2875-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 07/27/2015] [Indexed: 01/03/2023]
Abstract
PURPOSE This study was performed to measure the incidence and identify potential predictors of contrast-induced nephropathy (CIN) in cancer patients without chronic kidney disease and with normal or near-normal baseline serum creatinine measures who underwent contrast-enhanced computed tomography (CECT). Severity of CIN was reported based on the RIFLE (risk, injury, failure, loss of kidney function, and end-stage renal disease) classification of acute kidney injury. METHODS A retrospective analysis was performed on 820 cancer patients who presented at our emergency department from October 2014 to March 2015. CIN was defined as an increase in creatinine concentration of ≥0.5 mg/dL or ≥25 % above baseline that occurred 48 to 72 h after CECT. RESULTS The incidence of CIN was 8.0%. Serial CT examination [odds ratio (OR) 4.09; 95% confidence interval (CI) 1.34-12.56], hypotension before the CT scan (OR 3.95; 95% CI 1.77-8.83), liver cirrhosis (OR 2.82; 95% CI 1.06-7.55), BUN/creatinine >20 (OR 2.54; 95% CI 1.44-4.46), and peritoneal carcinomatosis (OR 1.75; 95% CI 1.01-3.00) were independently associated with CIN. Of 66 CIN patients, 44 met any of the severity criteria of the RIFLE classification. Five of these patients died during hospitalization but only one death was related to renal failure. CONCLUSIONS Even when the baseline serum creatinine is ≤1.5 mg/dL, a significant portion of cancer patients are still at risk of CIN. Consecutive CECT examinations, hypotension before CT, liver cirrhosis, dehydration, and peritoneal carcinomatosis seem to predispose patients to CIN.
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Affiliation(s)
- Seok-In Hong
- Department of Emergency Medicine, Cancer Emergency Room, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul, 138-736, Korea
| | - Shin Ahn
- Department of Emergency Medicine, Cancer Emergency Room, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul, 138-736, Korea.
| | - Yoon-Seon Lee
- Department of Emergency Medicine, Cancer Emergency Room, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul, 138-736, Korea
| | - Won Young Kim
- Department of Emergency Medicine, Cancer Emergency Room, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul, 138-736, Korea
| | - Kyung Soo Lim
- Department of Emergency Medicine, Cancer Emergency Room, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul, 138-736, Korea
| | - Jae Ho Lee
- Department of Emergency Medicine, Cancer Emergency Room, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul, 138-736, Korea
| | - Jae-Lyun Lee
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Moos SI, Stoker J, Nagan G, de Weijert RS, van Vemde DNH, Bipat S. Prediction of presence of kidney disease in a general patient population undergoing intravenous iodinated contrast enhanced computed tomography. Eur Radiol 2014; 24:1266-75. [PMID: 24663822 DOI: 10.1007/s00330-014-3149-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 03/06/2014] [Accepted: 03/07/2014] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To assess which risk factors can be used to reduce superfluous estimated glomerular filtration rate (eGFR) measurements before intravenous contrast medium administration. METHODS In consecutive patients, all decreased eGFR risk factors were assessed: diabetes mellitus (DM), history of urologic/nephrologic disease (HUND), nephrotoxic medication, cardiovascular disease, hypertension, age > 60 years, anaemia, malignancy and multiple myeloma/M. Waldenström. We studied four models: (1) all risk factors, (2) DM, HUND, hypertension, age > 60 years; (3) DM, HUND, cardiovascular disease, hypertension; (4) DM, HUND, age > 75 years and congestive heart failure. For each model, association with eGFR < 60 ml/min/1.73 m(2) or eGFR < 45 ml/min/1.73 m(2) was studied. RESULTS A total of 998 patients, mean age 59.94 years were included; 112 with eGFR < 60 ml/min/1.73 m(2) and 30 with eGFR < 45 ml/min/1.73 m(2). Model 1 detected 816 patients: 108 with eGFR < 60 ml/min/1.73 m(2) and all 30 with eGFR < 45 ml/min/1.73 m(2). Model 2 detected 745 patients: 108 with eGFR < 60 ml/min/1.73 m(2) and all 30 with eGFR < 45 ml/min/1.73 m(2). Model 3 detected 622 patients: 100 with eGFR < 60 ml/min/1.73 m(2) and all 30 with eGFR < 45 ml/min/1.73 m(2). Model 4 detected 440 patients: 86 with eGFR < 60 ml/min/1.73 m(2) and all 30 with eGFR < 45 ml/min/1.73 m(2). Associations were significant (p < 0.001). CONCLUSION Model 4 is most effective, resulting in the lowest proportion of superfluous eGFR measurements while detecting all patients with eGFR < 45 ml/min/1.73 m(2) and most with eGFR < 60 ml/min/1.73 m(2). KEY POINTS A major risk factor for contrast-induced nephropathy (CIN) is kidney disease. Risk factors are used to identify patients with pre-existent kidney disease. Evidence for risk factors to identify patients with kidney disease is limited. The number of eGFR measurements to detect kidney disease can be reduced.
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Affiliation(s)
- Shira I Moos
- Department of Radiology, G1-215, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands,
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Contrast-induced acute kidney injury: definition, epidemiology, and outcome. BIOMED RESEARCH INTERNATIONAL 2014; 2014:859328. [PMID: 24734250 PMCID: PMC3966354 DOI: 10.1155/2014/859328] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/08/2013] [Accepted: 02/03/2014] [Indexed: 11/18/2022]
Abstract
Contrast-induced acute kidney injury (CI-AKI) is commonly defined as a decline in kidney function occurring in a narrow time window after administration of iodinated contrast material. The incidence of AKI after contrast material administration greatly depends on the specific definition and cutoff values used. Although self-limiting in most cases, postcontrast AKI carries a risk of more permanent renal insufficiency, dialysis, and death. The risk of AKI from contrast material, in particular when administered intravenously for contrast-enhanced CT, has been exaggerated by older, noncontrolled studies due to background fluctuations in renal function. More recent evidence from controlled studies suggests that the risk is likely nonexistent in patients with normal renal function, but there may be a risk in patients with renal insufficiency. However, even in this patient population, the risk of CI-AKI is probably much smaller than traditionally assumed. Since volume expansion is the only preventive strategy with a convincing evidence base, liberal hydration should be encouraged to further minimize the risk. The benefits of the diagnostic information gained from contrast-enhanced examinations will still need to be balanced with the potential risk of CI-AKI for the individual patient and clinical scenario.
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