Kidney biopsy in very elderly patients: indications, therapeutic impact and complications

Abstract Background Few data is available on the risk/benefit balance of native kidney biopsy (KB) in very elderly patients. Methods Multicenter retrospective cohort study in the Aix-Marseille area: the results of KB and medical charts of all patients over 85 years biopsied between January 2010 and...

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Autores principales: Mathilde Fedi, Mickaël Bobot, Julia Torrents, Pierre Gobert, Éric Magnant, Yannick Knefati, David Verhelst, Gaëtan Lebrun, Valérie Masson, Philippe Giaime, Julien Santini, Stanislas Bataille, Philippe Brunet, Bertrand Dussol, Stéphane Burtey, Julien Mancini, Laurent Daniel, Noémie Jourde-Chiche
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Publicado: BMC 2021
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spelling oai:doaj.org-article:7defd54093a145f3a9c5a3be4a1445c62021-11-08T11:17:57ZKidney biopsy in very elderly patients: indications, therapeutic impact and complications10.1186/s12882-021-02559-91471-2369https://doaj.org/article/7defd54093a145f3a9c5a3be4a1445c62021-11-01T00:00:00Zhttps://doi.org/10.1186/s12882-021-02559-9https://doaj.org/toc/1471-2369Abstract Background Few data is available on the risk/benefit balance of native kidney biopsy (KB) in very elderly patients. Methods Multicenter retrospective cohort study in the Aix-Marseille area: the results of KB and medical charts of all patients over 85 years biopsied between January 2010 and December 2018 were reviewed. Results 104 patients were included. Median age was 87 years. Indications for KB were: acute kidney injury (AKI) in 69.2% of patients, nephrotic syndrome (NS) with AKI in 13.5%, NS without AKI in 12.5%, and proteinuria in 4.8%. Median serum creatinine was 262 μmol/L, 21% of patients required dialysis at the time of KB. Significant bleeding occurred in 7 (6.7%) patients, requiring blood cell transfusion in 4 (3.8%), and radiological embolization in 1 (1%). The most frequent pathological diagnoses were: non-diabetic glomerular diseases (29.8%, including pauci-immune crescentic glomerulonephritis in 9.6%), hypertensive nephropathy (27.9%), acute interstitial nephritis (16.3%), renal involvement of hematological malignancy (8.7%), and acute tubular necrosis (6.7%). After KB, 51 (49%) patients received a specific treatment: corticosteroids (41.3%), cyclophosphamide (6.7%), rituximab (6.7%), bortezomib (3.8%), other chemotherapies (3.8%). Median overall survival was 31 months. Conclusions KB can reveal a diagnosis with therapeutic impact even in very elderly patients. Severe bleeding was not frequent in this cohort, but KB may have not been performed in more vulnerable patients.Mathilde FediMickaël BobotJulia TorrentsPierre GobertÉric MagnantYannick KnefatiDavid VerhelstGaëtan LebrunValérie MassonPhilippe GiaimeJulien SantiniStanislas BataillePhilippe BrunetBertrand DussolStéphane BurteyJulien ManciniLaurent DanielNoémie Jourde-ChicheBMCarticleKidney biopsyElderly patientAdvanced ageAcute kidney injuryNephrotic syndromeGlomerulonephritisDiseases of the genitourinary system. UrologyRC870-923ENBMC Nephrology, Vol 22, Iss 1, Pp 1-9 (2021)
institution DOAJ
collection DOAJ
language EN
topic Kidney biopsy
Elderly patient
Advanced age
Acute kidney injury
Nephrotic syndrome
Glomerulonephritis
Diseases of the genitourinary system. Urology
RC870-923
spellingShingle Kidney biopsy
Elderly patient
Advanced age
Acute kidney injury
Nephrotic syndrome
Glomerulonephritis
Diseases of the genitourinary system. Urology
RC870-923
Mathilde Fedi
Mickaël Bobot
Julia Torrents
Pierre Gobert
Éric Magnant
Yannick Knefati
David Verhelst
Gaëtan Lebrun
Valérie Masson
Philippe Giaime
Julien Santini
Stanislas Bataille
Philippe Brunet
Bertrand Dussol
Stéphane Burtey
Julien Mancini
Laurent Daniel
Noémie Jourde-Chiche
Kidney biopsy in very elderly patients: indications, therapeutic impact and complications
description Abstract Background Few data is available on the risk/benefit balance of native kidney biopsy (KB) in very elderly patients. Methods Multicenter retrospective cohort study in the Aix-Marseille area: the results of KB and medical charts of all patients over 85 years biopsied between January 2010 and December 2018 were reviewed. Results 104 patients were included. Median age was 87 years. Indications for KB were: acute kidney injury (AKI) in 69.2% of patients, nephrotic syndrome (NS) with AKI in 13.5%, NS without AKI in 12.5%, and proteinuria in 4.8%. Median serum creatinine was 262 μmol/L, 21% of patients required dialysis at the time of KB. Significant bleeding occurred in 7 (6.7%) patients, requiring blood cell transfusion in 4 (3.8%), and radiological embolization in 1 (1%). The most frequent pathological diagnoses were: non-diabetic glomerular diseases (29.8%, including pauci-immune crescentic glomerulonephritis in 9.6%), hypertensive nephropathy (27.9%), acute interstitial nephritis (16.3%), renal involvement of hematological malignancy (8.7%), and acute tubular necrosis (6.7%). After KB, 51 (49%) patients received a specific treatment: corticosteroids (41.3%), cyclophosphamide (6.7%), rituximab (6.7%), bortezomib (3.8%), other chemotherapies (3.8%). Median overall survival was 31 months. Conclusions KB can reveal a diagnosis with therapeutic impact even in very elderly patients. Severe bleeding was not frequent in this cohort, but KB may have not been performed in more vulnerable patients.
format article
author Mathilde Fedi
Mickaël Bobot
Julia Torrents
Pierre Gobert
Éric Magnant
Yannick Knefati
David Verhelst
Gaëtan Lebrun
Valérie Masson
Philippe Giaime
Julien Santini
Stanislas Bataille
Philippe Brunet
Bertrand Dussol
Stéphane Burtey
Julien Mancini
Laurent Daniel
Noémie Jourde-Chiche
author_facet Mathilde Fedi
Mickaël Bobot
Julia Torrents
Pierre Gobert
Éric Magnant
Yannick Knefati
David Verhelst
Gaëtan Lebrun
Valérie Masson
Philippe Giaime
Julien Santini
Stanislas Bataille
Philippe Brunet
Bertrand Dussol
Stéphane Burtey
Julien Mancini
Laurent Daniel
Noémie Jourde-Chiche
author_sort Mathilde Fedi
title Kidney biopsy in very elderly patients: indications, therapeutic impact and complications
title_short Kidney biopsy in very elderly patients: indications, therapeutic impact and complications
title_full Kidney biopsy in very elderly patients: indications, therapeutic impact and complications
title_fullStr Kidney biopsy in very elderly patients: indications, therapeutic impact and complications
title_full_unstemmed Kidney biopsy in very elderly patients: indications, therapeutic impact and complications
title_sort kidney biopsy in very elderly patients: indications, therapeutic impact and complications
publisher BMC
publishDate 2021
url https://doaj.org/article/7defd54093a145f3a9c5a3be4a1445c6
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