Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice

Background. The clinical utility of early detection and treatment of allograft rejection is well-established. Despite frequent testing called for by standard of care protocols, the five-year kidney allograft survival rate is estimated to be as low as 71%. Herein, we report on posttransplant care pro...

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Main Authors: John Peabody, Paul Billings, Czarlota Valdenor, Zach Demko, Solomon Moshkevich, David Paculdo, Mary Tran
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:International Journal of Nephrology
Online Access:http://dx.doi.org/10.1155/2019/5303284
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author John Peabody
Paul Billings
Czarlota Valdenor
Zach Demko
Solomon Moshkevich
David Paculdo
Mary Tran
author_facet John Peabody
Paul Billings
Czarlota Valdenor
Zach Demko
Solomon Moshkevich
David Paculdo
Mary Tran
author_sort John Peabody
collection DOAJ
description Background. The clinical utility of early detection and treatment of allograft rejection is well-established. Despite frequent testing called for by standard of care protocols, the five-year kidney allograft survival rate is estimated to be as low as 71%. Herein, we report on posttransplant care provided to kidney allograft recipients by board-certified nephrologists in the United States. Methods. We measured clinical practice in a representative sample of 175 practicing nephrologists. All providers cared for simulated patients’ status after renal transplant ranging from 30-75 years in age and 3-24 months after transplant. Our sample of nephrologists cared for a total of 525 allograft cases. Provider responses to the cases were reviewed by trained clinicians, and care was compared to evidence-based care standards and accepted standard of care protocols. Results. Among nephrologists, practicing in settings ranging from transplant centers to community practice, we found that the clinical workup of kidney injury in posttransplant patients is highly variable and frequently deviates from evidence-based care. In cases with pathologic evidence of rejection, only 29.1% (102/350) received an appropriate, evidence-based biopsy, whereas, in cases with no pathological evidence of rejection, 41.3% (45/109) received low-value, unnecessary biopsies. Conclusion. Clinical care in the posttransplant setting is highly variable. Biopsies are often ordered in cases where their results do not alter treatment. Additionally, we found that misdiagnosis was common as were opportunities for earlier biopsy and detection of rejection. This evidence suggests that better diagnostic tools may be helpful to determine which transplant patients should be biopsied and which should not. This study suggests that nephrologists and transplant patients need better tests than creatinine and proteinuria and less invasive approaches than routine biopsies to determine when transplant patients should be investigated for rejection and additional treatment.
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spelling doaj-art-601bc57f9694423b99f559e9bea968352025-02-03T06:13:27ZengWileyInternational Journal of Nephrology2090-214X2090-21582019-01-01201910.1155/2019/53032845303284Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology PracticeJohn Peabody0Paul Billings1Czarlota Valdenor2Zach Demko3Solomon Moshkevich4David Paculdo5Mary Tran6University of California, San Francisco, Department of Epidemiology and Biostatistics, 550 16th St, San Francisco, CA 94158, USANatera, Inc., 201 Industrial Rd, San Carlos, CA 94070, USAQURE Healthcare, 450 Pacific Ave, Suite 200, San Francisco, CA 94131, USANatera, Inc., 201 Industrial Rd, San Carlos, CA 94070, USANatera, Inc., 201 Industrial Rd, San Carlos, CA 94070, USAQURE Healthcare, 450 Pacific Ave, Suite 200, San Francisco, CA 94131, USAQURE Healthcare, 450 Pacific Ave, Suite 200, San Francisco, CA 94131, USABackground. The clinical utility of early detection and treatment of allograft rejection is well-established. Despite frequent testing called for by standard of care protocols, the five-year kidney allograft survival rate is estimated to be as low as 71%. Herein, we report on posttransplant care provided to kidney allograft recipients by board-certified nephrologists in the United States. Methods. We measured clinical practice in a representative sample of 175 practicing nephrologists. All providers cared for simulated patients’ status after renal transplant ranging from 30-75 years in age and 3-24 months after transplant. Our sample of nephrologists cared for a total of 525 allograft cases. Provider responses to the cases were reviewed by trained clinicians, and care was compared to evidence-based care standards and accepted standard of care protocols. Results. Among nephrologists, practicing in settings ranging from transplant centers to community practice, we found that the clinical workup of kidney injury in posttransplant patients is highly variable and frequently deviates from evidence-based care. In cases with pathologic evidence of rejection, only 29.1% (102/350) received an appropriate, evidence-based biopsy, whereas, in cases with no pathological evidence of rejection, 41.3% (45/109) received low-value, unnecessary biopsies. Conclusion. Clinical care in the posttransplant setting is highly variable. Biopsies are often ordered in cases where their results do not alter treatment. Additionally, we found that misdiagnosis was common as were opportunities for earlier biopsy and detection of rejection. This evidence suggests that better diagnostic tools may be helpful to determine which transplant patients should be biopsied and which should not. This study suggests that nephrologists and transplant patients need better tests than creatinine and proteinuria and less invasive approaches than routine biopsies to determine when transplant patients should be investigated for rejection and additional treatment.http://dx.doi.org/10.1155/2019/5303284
spellingShingle John Peabody
Paul Billings
Czarlota Valdenor
Zach Demko
Solomon Moshkevich
David Paculdo
Mary Tran
Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice
International Journal of Nephrology
title Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice
title_full Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice
title_fullStr Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice
title_full_unstemmed Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice
title_short Variation in Assessing Renal Allograft Rejection: A National Assessment of Nephrology Practice
title_sort variation in assessing renal allograft rejection a national assessment of nephrology practice
url http://dx.doi.org/10.1155/2019/5303284
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