Risk and Timing of Major Bleeding Complications Requiring Intervention of the Percutaneous Kidney Biopsy With a Short Observation Protocol: A Retrospective Chart Review

被引:0
作者
Schorr, Melissa [1 ,2 ,5 ]
Roshanov, Pavel S. [1 ,3 ]
Vandelinde, Jeremy [4 ]
House, Andrew A. [1 ]
机构
[1] Western Univ, London Hlth Sci Ctr, Schulich Sch Med & Dent, Dept Med,Div Nephrol, London, ON, Canada
[2] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[3] Western Univ, Dept Epidemiol & Biostat, London, ON, Canada
[4] Western Univ, London Hlth Sci Ctr, Schulich Sch Med & Dent, Dept Med,Div Internal Med, London, ON, Canada
[5] Univ Calgary, Dept Med, Div Nephrol, 1122 4 St SW, Calgary, AB T23 1M1, Canada
关键词
percutaneous kidney biopsy; complications; bleeding; risk prediction; native kidney; transplant kidney; DIAGNOSTIC YIELD;
D O I
10.1177/20543581231205334
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Background:We previously published a retrospective study of kidney biopsies performed in a tertiary care hospital in London, Ontario from 2012 to 2017. This study resulted in a change of practice in our institution to shorter postbiopsy monitoring for outpatients as well as the development of a risk calculator to predict serious bleeding complications.Objective:The primary objective of this study was to determine whether this shorter monitoring time is adequate in the outpatient setting. A secondary objective was to validate the bleeding risk calculator in both inpatients and outpatients.Design:This was a retrospective chart review.Setting:This study was performed at a tertiary academic hospital in London, Ontario, Canada.Participants:This was a retrospective study of 400 adult patients who underwent kidney biopsy between April 30, 2018 and February 25, 2022 at a tertiary academic hospital in London, Canada.Methods:We retrospectively assessed frequency and timing of major bleeding complications in patients who underwent kidney biopsy. In secondary analyses, we examined the prediction performance of the risk calculator in discrimination and calibration.Results:Major bleeding occurred in 7 patients (1.8%). Five of these patients required blood transfusions (1.3%) and 2 required embolization (0.5%). In the outpatient setting, any major bleeding events were identified immediately (1 patient) or on the routine 2-hour ultrasounds (1 patient). The risk calculator showed good discrimination (C-statistic, 0.91, 95% confidence interval [CI] = [0.84 to 0.95]) and calibration (slope, 1.10, 95% CI = [0.47 to 1.74]; intercept, 95% CI = -0.02 [-0.79 to 0.75]), but with much uncertainty in the estimates.Limitations:The occurrence of only a few major bleeding events limits the reliability of our assessment of our risk calculator.Conclusions:There appears to be little yield in extending observation beyond 2 hours after an outpatient kidney biopsy with the use of immediate and 2-hour postbiopsy ultrasounds. The bleeding risk calculator (http://perioperativerisk.com/kbrc) warrants further validation. Contexte:Nous avons publie precedemment une etude retrospective des biopsies renales effectuees entre 2012 et 2017 dans un hopital de soins tertiaires de London, en Ontario. Les resultats de cette precedente etude ont entraine un changement de pratique dans notre etablissement, soit une reduction de la duree de la surveillance post-biopsie pour les patients ambulatoires, et la mise au point d'un calculateur de risque permettant de predire les complications hemorragiques graves.Objectifs:L'objectif principal de l'etude en cours etait de verifier si ce temps de surveillance plus court est adequat pour les patients ambulatoires. Un deuxieme objectif etait de valider le calculateur de risque d'hemorragie chez les patients hospitalises et les patients ambulatoires.Conception:etude retrospective des dossiers medicaux.Cadre:etude realisee dans un hopital de soins tertiaires de London, en Ontario (Canada).Sujets:Cette etude retrospective portait sur 400 patients adultes ayant subi une biopsie renale entre le 30 avril 2018 et le 25 fevrier 2022 dans un centre hospitalier universitaire de soins tertiaires de London, au Canada.Methodes:Nous avons procede a un examen retrospectif de la frequence des complications hemorragiques graves, et du moment ou celles-ci surviennent, chez les patients ayant subi une biopsie renale. Dans les analyses secondaires, nous avons examine la puissance predictive du calculateur de risque en matiere de discrimination et d'etalonnage.Resultats:Sept patients (1,75 %) ont subi une hemorragie majeure; de ces patients, cinq ont eu besoin de transfusions sanguines (1,3 %) et deux, d'une embolisation (0,5 %). En contexte ambulatoire, tous les evenements hemorragiques graves ont ete detectes immediatement (un patient) ou lors de l'echographie de routine a deux heures (un patient). Le calculateur de risque a montre une bonne discrimination (statistique C : 0,91 [IC 95 % : 0,84 a 0,95]) et un bon etalonnage (pente : 1,10 [0,47 a 1,74]; point d'intersection : -0,02 [-0,79 a 0,75]), mais une grande incertitude dans les estimations.Limitations:La fiabilite de l'evaluation de notre calculateur de risque est limitee par le tres faible echantillon d'evenements hemorragiques graves etant survenus.Conclusion:Il semble y avoir peu d'interet a prolonger la surveillance au-dela de deux heures apres une biopsie renale chez les patients ambulatoires lorsqu'une echographie est pratiquee immediatement apres la procedure et deux heures plus tard. Le calculateur de risque d'hemorragie (http://perioperativerisk.com/kbrc) necessite une validation plus approfondie.
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