Percutaneous Ultrasound-Guided Kidney Transplant Biopsy Outcomes: From the Nephrologist to the Radiologist Standpoint

Percutaneous Ultrasound-Guided Kidney Transplant Biopsy Outcomes: From the Nephrologist to the Radiologist Standpoint

Kidney transplant biopsies are the gold standard for evaluating allograft dysfunction. These biopsies are performed by nephrologists and radiologists under real-time ultrasound guidance. A few studies have examined the outcomes of ultrasound-guided kidney transplant biopsy in transplant recipients;...

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Bibliographic Details
Published in:Kidney360 Vol. 3; no. 10; pp. 1746 - 1753
Main Authors: Mattiazzi, Adela D, Cortesi, Camilo A, Patil, Rhea J, Carias Martinez, Karla G, Sedki, Mai, Cabeza Rivera, Franco H, Ruiz, Phillip, Salsamendi, Jason T, Guerra, Giselle
Format: Journal Article
Language:English
Published: United States American Society of Nephrology 27-10-2022
Subjects:
Anticoagulants
Female
Hematoma - etiology
Humans
Image-Guided Biopsy - adverse effects
Kidney - diagnostic imaging
Kidney Diseases - complications
Kidney Transplantation - adverse effects
Nephrologists
Original Investigation
Radiologists
Retrospective Studies
Ultrasonography, Interventional - adverse effects
transplant nephrology
interventional radiology
interventional ultrasonography
kidney biopsy
biopsy complications
transplantation
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Summary:Kidney transplant biopsies are the gold standard for evaluating allograft dysfunction. These biopsies are performed by nephrologists and radiologists under real-time ultrasound guidance. A few studies have examined the outcomes of ultrasound-guided kidney transplant biopsy in transplant recipients; however, none have compared these outcomes between both specialties. We retrospectively analyzed a cohort of 678 biopsies performed in a single center during a 44-month study period. Biopsies were stratified into two groups based upon the specialist performing the procedure: interventional radiology (IR; =447) and transplant nephrology (TN; =231). There were 55 (8%) complications related to biopsies in the entire cohort: 37 (8.2%) in the IR group and 18 (7.7%) in the TN group, without statistical difference between the groups ( =0.94). Blood pressure control and prior use of anticoagulation were significant predictors of complicated biopsies ( =0.004 and 0.02, respectively). Being a woman and prior use of anticoagulation were significant predictors of transfusion of blood products ( =0.01 and 0.01, respectively). Being a woman and blood pressure control were significant predictors of overall perinephric hematoma ( =0.01 and 0.01, respectively), and Black race was a significant predictor of perinephric hematoma without worsening of renal function ( =0.005). The specialist team performing the procedure was not a statistically significant predictor of biopsy complications, transfusion of blood products, or perinephric hematoma with comparable sample yield. Percutaneous ultrasound-guided kidney transplant biopsy performed by transplant nephrologists have similar complication rates when compared with interventional radiologists in an academic center.
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ISSN:2641-7650
2641-7650
DOI:10.34067/KID.0000332022