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Wang W, Yu Y, Li X, Chen J, Zhang L, Wen J. Significance of Arterial Spin Labeling for Reducing Biopsies in Patients With Kidney Allograft Dysfunction. J Magn Reson Imaging 2024; 59:1777-1784. [PMID: 37515309 DOI: 10.1002/jmri.28926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/15/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Although biopsy is often entailed for managing patients with kidney allograft dysfunction, it is associated with potential complications of severe hemorrhage. Arterial spin labeling (ASL) is a non-invasive technique that assesses tissue perfusion. PURPOSE To assess the utility of ASL for the discrimination of patients with post-transplant allograft dysfunction who do not need biopsy from those who need. STUDY TYPE Prospective. SUBJECTS Forty-six patients (34 males/12 females, aged 38.8 ± 9.5 years) with kidney allograft dysfunction, including 31 in which biopsy directly lead to changes in management (NECESSARY group) and 15 in which clinical management did not alter after biopsy (UNNECESSARY group). FIELD STRENGTH/SEQUENCE 3.0 T and 3D fast-spin echo sequence. ASSESSMENT All patients underwent both ASL scan and biopsies. The serum creatinine, proteinuria, pathologic results, and cortical ASL readings were obtained and compared between the two groups. STATISTICAL ANALYSES Chi-square test, independent student t-test, Mann-Whitney U test, receiver-operating characteristic curve. A two-tailed P < 0.05 denoted statistical significance. RESULTS The NECESSARY group presented with significantly elevated serum creatinine as compared with the UNNECESSARY group (1.87 ± 0.56 mg/dL vs. 1.31 ± 0.37 mg/dL). The acute composite score was significantly higher in the NECESSARY group than that in the UNNECESSARY group (7 [4-8] vs. 1 [0-2]). Cortical ASL in the NECESSARY group was significantly decreased as compared with the UNNECESSARY group (108.06 [69.96-134.92] mL/min/100 g vs. 153.48 [113.19-160.37] mL/min/100 g). Serum creatinine differentiated UNNCESSARY group from the NECESSARY group with an area under the curve (AUC) and specificity of 0.79 and 54.84%, respectively. By comparison, the cortical ASL yielded an AUC of 0.75 and a specificity of 70.97%. Notably, the specificity was increased to 90.30% by combined use of serum creatinine and cortical ASL. DATA CONCLUSION The combined use of ASL and serum creatinine yielded a high specificity for selecting patients who may not need allograft biopsy. LEVEL OF EVIDENCE 2 TECHNICAL EFFICACY: Stage 3.
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Affiliation(s)
- Wei Wang
- National Clinical Research Center of Kidney Disease, Jinling Hospital, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Shanghai Tenth People's Hospital, Shanghai, China
| | - Yuanmeng Yu
- Department of Medical Imaging, Jinling Hospital, Clinical School of Southern University, Nanjing, China
- Department of MRI, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Xue Li
- National Clinical Research Center of Kidney Disease, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jinsong Chen
- National Clinical Research Center of Kidney Disease, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Longjiang Zhang
- Department of Medical Imaging, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jiqiu Wen
- National Clinical Research Center of Kidney Disease, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
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Kaczmarek M, Halimi JM, de Fréminville JB, Gatault P, Gueguen J, Goin N, Longuet H, Barbet C, Bisson A, Sautenet B, Herbert J, Buchler M, Fauchier L. A Universal Bleeding Risk Score in Native and Allograft Kidney Biopsies: A French Nationwide Cohort Study. J Clin Med 2023; 12:jcm12103527. [PMID: 37240634 DOI: 10.3390/jcm12103527] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/24/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
BACKGROUND The risk of bleeding after percutaneous biopsy in kidney transplant recipients is usually low but may vary. A pre-procedure bleeding risk score in this population is lacking. METHODS We assessed the major bleeding rate (transfusion, angiographic intervention, nephrectomy, hemorrhage/hematoma) at 8 days in 28,034 kidney transplant recipients with a kidney biopsy during the 2010-2019 period in France and compared them to 55,026 patients with a native kidney biopsy as controls. RESULTS The rate of major bleeding was low (angiographic intervention: 0.2%, hemorrhage/hematoma: 0.4%, nephrectomy: 0.02%, blood transfusion: 4.0%). A new bleeding risk score was developed (anemia = 1, female gender = 1, heart failure = 1, acute kidney failure = 2 points). The rate of bleeding varied: 1.6%, 2.9%, 3.7%, 6.0%, 8.0%, and 9.2% for scores 0 to 5, respectively, in kidney transplant recipients. The ROC AUC was 0.649 (0.634-0.664) in kidney transplant recipients and 0.755 (0.746-0.763) in patients who had a native kidney biopsy (rate of bleeding: from 1.2% for score = 0 to 19.2% for score = 5). CONCLUSIONS The risk of major bleeding is low in most patients but indeed variable. A new universal risk score can be helpful to guide the decision concerning kidney biopsy and the choice of inpatient vs. outpatient procedure both in native and allograft kidney recipients.
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Affiliation(s)
- Mathieu Kaczmarek
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
| | - Jean-Michel Halimi
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
- EA4245, University of Tours, F-37000 Tours, France
- INI-CRCT, F-54500 Nancy, France
| | - Jean-Baptiste de Fréminville
- Paris-Cardiovascular Research Center, INSERM, UMR970, Université de Paris, F-75006 Paris, France
- Unité Fonctionnelle d'Hypertension Artérielle, Centre de Référence des Maladies Rares de la Surrénale, Hôpital Européen Georges Pompidou, Assistance Publique-Hôpitaux de Paris, F-75015 Paris, France
| | - Philippe Gatault
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
- EA4245, University of Tours, F-37000 Tours, France
| | - Juliette Gueguen
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
| | - Nicolas Goin
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
| | - Hélène Longuet
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
| | - Christelle Barbet
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
| | - Arnaud Bisson
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau et Faculté de Médecine, EA7505, Université de Tours, F-37000 Tours, France
| | - Bénédicte Sautenet
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
- INI-CRCT, F-54500 Nancy, France
| | - Julien Herbert
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau et Faculté de Médecine, EA7505, Université de Tours, F-37000 Tours, France
- Service d'Information Médicale, d'Épidémiologie et d'Économie de la Santé, Centre Hospitalier Universitaire et Faculté de Médecine, EA7505, Université de Tours, F-37000 Tours, France
| | - Matthias Buchler
- Néphrologie-Immunologie Clinique, Hôpital Bretonneau, CHU Tours, F-37000 Tours, France
- EA4245, University of Tours, F-37000 Tours, France
| | - Laurent Fauchier
- Service de Cardiologie, Centre Hospitalier Universitaire Trousseau et Faculté de Médecine, EA7505, Université de Tours, F-37000 Tours, France
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Guan Y, Bai C, Li F, Li T, Zhao X, He Z, Guo N. The impact of blood pressure on the risk of postbiopsy bleeding during the whole procedure of percutaneous kidney biopsy. Abdom Radiol (NY) 2023; 48:1140-1147. [PMID: 36574058 DOI: 10.1007/s00261-022-03781-1] [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: 10/24/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 12/29/2022]
Abstract
PURPOSE To investigate whether BP is related to postbiopsy bleeding in patients undergoing native percutaneous kidney biopsy (PKB) and to evaluate the dynamic changes in blood pressure (BP) pre- and post-kidney biopsy. METHODS A retrospective cross-sectional study was conducted. The whole-procedural systolic (SBP) and diastolic (DBP) BP for patients undergoing ultrasound-guided native PKB from October 2017 to December 2020 were recorded in the study. Propensity score matching was used to minimize selection bias. SBP and DBP were analyzed as the main risk factors for bleeding complications. Receiver operating characteristic (ROC) curves were employed to explore the optimal BP thresholds to differentiate between bleeding and nonbleeding. The rates of major bleeding complications were analyzed according to BP thresholds through logistic analysis. RESULTS Of 1146 biopsies, 432 (37.7%) patients suffered from postbiopsy bleeding, 88 (7.7%) patients had major bleeding complications, and 344 (30.0%) patients had minor bleeding complications. In the original data, for patients with SBP ≥ 160 mmHg before PKB, the rate of major bleeding complications was 17.6% (7.5% for SBP < 160 mmHg), and the rate of major bleeding complications was 19.0% in patients with DBP ≥ 100 mmHg (7.5% for DBP < 100 mmHg). For patients with DBP ≥ 85 mmHg to 100 mmHg after PKB, the rate of major bleeding complications ranged from 9.5 to 17.5%. The rate of major bleeding complications was lower (6.6-7.3%) in patients with DBP < 100 mmHg to 85 mmHg. CONCLUSION Patients who have high-level BP during the native PKB perioperative period are at higher risk for postbiopsy bleeding. High-level BP here does not refer to traditional hypertension according to the guidelines for the diagnosis and treatment of hypertension, but rather BP above a certain threshold related to bleeding risk.
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Affiliation(s)
- Yuxia Guan
- Department of Nephrological, Peking Union Medical College Hospital, Beijing, China
| | - Chenxiao Bai
- Department of Nephrological, Peking Union Medical College Hospital, Beijing, China
| | - Fangfang Li
- Department of Endocrinology, Peking Union Medical College Hospital, Beijing, China
| | - Tongxin Li
- Department of Nephrological, Peking Union Medical College Hospital, Beijing, China
| | - Xuesong Zhao
- Department of Nephrological, Peking Union Medical College Hospital, Beijing, China
| | - Zixia He
- Department of Nephrological, Peking Union Medical College Hospital, Beijing, China
| | - Na Guo
- Department of Nursing, Peking Union Medical College Hospital, No. 1 Shuaifuyuan Wangfujing Dongcheng District, Beijing, 100730, China.
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Ho QY, Lim CC, Tan HZ, Sultana R, Kee T, Htay H. Complications of Percutaneous Kidney Allograft Biopsy: Systematic Review and Meta-analysis. Transplantation 2022; 106:1497-1506. [PMID: 35019898 DOI: 10.1097/tp.0000000000004033] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Kidney biopsy is important to guide the management of allograft dysfunction but has a risk of complications. This review aimed to determine the incidence and risk factors of complications after kidney allograft biopsy. METHODS This is a systematic review and meta-analysis of randomized controlled trials, cohort studies, or case-control studies indexed on PubMed, Embase, Cochrane Central Register of Controlled Trials, World Health Organization International Clinical Trials Registry, and ClinicalTrials.gov, limited to the English language, from January 2000 to December 2020, including adult and pediatric kidney allograft biopsies. Primary outcomes were gross hematuria, bleeding requiring transfusion, and major complications (requiring interventions such as blood transfusion or surgical or radiological interventions). RESULTS The review included 72 studies (40 082 biopsies). The quality of included studies was suboptimal. Pooled rates of gross hematuria, bleeding requiring transfusion, and major complications were 3.18% [95% confidence interval (95% CI), 2.31-4.19], 0.31% (95% CI, 0.15-0.52) and 0.89% (95% CI, 0.61-1.22), respectively. Gross hematuria rates were lower in high-income compared with middle-income countries (2.59% versus 6.44%, P < 0.01) and biopsies performed by radiology as compared with nephrology departments (1.25% versus 3.71%, P < 0.01). Blood transfusion rates were lower in pediatrics than adults (0.0% versus 0.65%, P < 0.01). Major complications were lower in biopsies performed by specialists as compared with trainees (0.02% versus 3.64%, P < 0.01). Graft loss and mortality were extremely rare. Limitations included missing data, few randomized controlled trials, and possible publication bias. CONCLUSIONS The risk of complications after kidney allograft biopsy was low. Given the low quality of included studies, risk factors for complications should be further examined in future studies.
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Affiliation(s)
- Quan Yao Ho
- Department of Renal Medicine, Singapore General Hospital, Singapore
- SingHealth Duke-NUS Transplant Centre, Singapore
| | | | - Hui Zhuan Tan
- Department of Renal Medicine, Singapore General Hospital, Singapore
| | | | - Terence Kee
- Department of Renal Medicine, Singapore General Hospital, Singapore
- SingHealth Duke-NUS Transplant Centre, Singapore
| | - Htay Htay
- Department of Renal Medicine, Singapore General Hospital, Singapore
- Duke-NUS Medical School, Singapore
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Pirklbauer M, Berger M, Boban MD, Tiefenthaler M. The Tangential Extraperitoneal Retrorenal Approach in Kidney Transplant Biopsy: An Observational Study to Assess Complication and Adequacy Rates. Transpl Int 2022; 35:10068. [PMID: 35185363 PMCID: PMC8842347 DOI: 10.3389/ti.2021.10068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/21/2021] [Indexed: 01/20/2023]
Abstract
Introduction: Ultrasound-guided percutaneous kidney allograft biopsy is the gold-standard for pathology work-up. Recent studies postulate better safety and efficacy for tangential approaches, however, there is no recommendation regarding biopsy needle path. In this context, we previously described the unified tangential extraperitoneal retrorenal (TER) approach for standard allograft biopsy. Methods: A single-center retrospective observational study evaluated safety and efficacy of the TER biopsy approach among 250 patients that underwent 330 ultrasound-guided kidney transplant biopsies between January 2011 and May 2020. Results: The overall major complication rate was 0.56% per biopsy attempt (1.21% per biopsy) including blood transfusion, arterial embolization and bladder catheterization for gross hematuria in 0.28, 0.14 and 0.14% of biopsy attempts, respectively (0.61, 0.30 and 0.30% of biopsies, respectively). Minor complications included subcapsular and/or perinephric hematoma, superficial bleeding, arteriovenous fistula and gross hematuria in 12.6, 3.0, 2.5 and 1.4% of biopsy attempts, respectively (27.0, 6.4, 5.5 and 3.0% of biopsies, respectively). Sample adequacy rate was 86.7%, ranging from 82.2 to 94.1% if one or ≥two cores were analyzed, respectively. Residents and consultants yielded similar complication and adequacy rates. Conclusion: According to current literature, ultrasound-guided TER kidney transplant biopsy is a safe and efficient approach eligible for nephrology training.
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The impact of blood pressure on the risk of major bleeding complication after renal transplant biopsy. Abdom Radiol (NY) 2022; 47:409-415. [PMID: 34605965 DOI: 10.1007/s00261-021-03282-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE To assess the impact of elevated blood pressure on the rate of major hemorrhagic complication after renal transplant biopsy. METHODS Pre-procedural systolic (SBP), diastolic (SBP), and mean arterial (MAP) blood pressure for consecutive patients undergoing US-guided renal transplant biopsies from 08/01/2015 to 7/31/2017 were retrospectively recorded. Patients who had a major bleeding complication were identified. The risk of complication as a function of SBP, DBP, and MAP was statistically analyzed, with significance set at p < 0.05. RESULTS Of 1689 biopsies, there were 10 bleeding complications (10/1689, 0.59%). There was no statistically significant difference between biopsies with complication compared to those without complication based on SBP (p = 0.351), DBP (p = 0.088), or MAP (p = 0.132). Using risk dichotomization criteria, the odds ratio for hemorrhagic complication when the patient had SBP ≥ 180 mmHg and DBP ≥ 95 mmHg was 75.63 (95% CI 6.87-516.8, p = 0.002). CONCLUSION The rate of hemorrhagic complication from renal transplant biopsy is low, and there is no statistically significant threshold for increased biopsy risk based on SBP, DBP, or MAP alone. The risk of complication was significantly higher only when both the SBP is ≥ 180 mmHg and DBP is ≥ 95 mmHg.
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Quencer KB, Anand K. Kidney Tissue Biopsy. Tech Vasc Interv Radiol 2021; 24:100775. [PMID: 34895708 DOI: 10.1016/j.tvir.2021.100775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
Kidney tissue biopsy is a commonly performed procedure which is valuable in the work-up for patients with medical renal disease and renal transplant. This article will review indications, contraindications, technique and potential complications of kidney biopsy.
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Affiliation(s)
- Keith B Quencer
- Division of Interventional Radiology, University of Utah Department of Radiology, Salt Lake City, UT.
| | - Keshav Anand
- Division of Interventional Radiology, University of Utah Department of Radiology, Salt Lake City, UT
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