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Kidney Biopsy-Related Complications in Hospitalized Patients with Acute Kidney Disease.

A new interesting article has been published in Clin J Am Soc Nephrol. 2018 Nov 7;13(11):1633-1640. doi: 10.2215/CJN.04910418. Epub 2018 Oct 22. and titled:

Kidney Biopsy-Related Complications in Hospitalized Patients with Acute Kidney Disease.

Authors of this article are:

Moledina DG, Luciano RL, Kukova L, Chan L, Saha A, Nadkarni G, Alfano S, Wilson FP, Perazella MA, Parikh CR.

A summary of the article is shown below:

BACKGROUND AND OBJECTIVES: Patients are informed of the risk of kidney biopsy-related complications using data from nonhospitalized patients, which may underestimate the risk for hospitalized patients. We evaluated the rate and risk factors of kidney biopsy-related complications in hospitalized patients with acute kidney disease (AKD) to better estimate the risk in this population.DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We used data from the Yale biopsy cohort to evaluate rates of kidney biopsy-related complications including adjudicated procedure-related bleeding requiring blood transfusions or angiographic interventions, medium- or large-sized hematomas, reimaging after biopsy including abdominal ultrasonography or computed tomography, and death in hospitalized patients with AKD (including AKI). We evaluated univariable and multivariable association of risk factors with transfusions. We compared rates of complications between hospitalized and nonhospitalized patients.RESULTS: Between 2015 and 2017, 159 hospitalized patients underwent a kidney biopsy for AKD evaluation, of which 80 (51%) had stage 1 AKI, 42 (27%) had stage 2 (or higher) AKI, and 27 (17%) had AKD (without AKI). Of these, 12 (8%; 95% confidence interval [95% CI], 5% to 15%) required a transfusion, three (2%; 95% CI, 1% to 5%) required an intervention, 11 (7%; 95% CI, 4% to 12%) had hematoma, and 31 (20%; 95% CI, 14% to 26%) required reimaging after biopsy. Of the four (3%; 95% CI, 1% to 6%) deaths during hospitalization, none were related to the biopsy. Female sex, lower platelet count, and higher BUN were associated with postbiopsy transfusions on univariable and multivariable analyses. Trainee as proceduralist and larger needle gauge were associated with transfusions in univariable, but not multivariable, analysis. Nonhospitalized patients had lower rates of transfusion than hospitalized patients, although the latter also had lower prebiopsy hemoglobin and greater surveillance after biopsy.CONCLUSIONS: Hospitalized patients experience higher risk of postbiopsy complications than previously reported and several factors, such as lower platelet count, female sex, and higher BUN, are associated with this risk.Copyright © 2018 by the American Society of Nephrology.

Check out the article’s website on Pubmed for more information:



This article is a good source of information and a good way to become familiar with topics such as:

Acute Kidney Injury;Angiography;Blood Urea Nitrogen;Cohort Studies;Confidence Intervals;Hematoma;Hemoglobins;Platelet Count;Tomography, X-Ray Computed;adult;biopsy;blood transfusion;female;hospitalization;interventional nephrology;kidney biopsy;kidney failure;kidney pathology;multivariable analysis;prospective studies;risk factors;ultrasonography

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