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Predictors of bleeding complications in percutaneous ultrasound-guided renal biopsy

Carlo Manno1, Giovanni F M Strippoli, Loredana Arnesano

  • 1Department of Emergency and Organ Transplantation, Division of Nephrology, University of Bari, Bari, Italy. c.manno@nephro.uniba.it

Kidney International
|October 2, 2004
PubMed

Insights

Women, younger patients, and those with higher partial thromboplastin time are at increased risk for bleeding after percutaneous renal biopsy. These factors help predict postbiopsy bleeding complications.

Area of Science:

  • Nephrology
  • Interventional Radiology
  • Medical Diagnostics

Background:

  • Percutaneous renal biopsy risks have decreased due to technical advances.
  • Bleeding complications remain a concern, leading to increased healthcare costs and hospital stays.

Purpose of the Study:

  • To investigate the predictive value of various patient and clinical factors for postrenal biopsy bleeding.
  • Identify key predictors for major and minor bleeding complications.

Main Methods:

  • Prospective cohort study of 471 patients undergoing ultrasound-guided native kidney biopsy.
  • Analysis included demographics, clinical data, baseline chemistry, and needle size.
  • Multivariate logistic regression was used to assess predictors of bleeding.

Main Results:

  • 34.1% of patients experienced postbiopsy bleeding, with 1.2% major complications.
  • Higher bleeding risk observed in women (AOR 2.05), younger patients (AOR 0.80), and those with higher partial thromboplastin time (AOR 1.26).
  • Other investigated variables did not show significant predictive value.

Conclusions:

  • Renal biopsy, despite improvements, carries inherent risks.
  • Gender, age, and partial thromboplastin time are significant predictors of postbiopsy bleeding.
  • Routine data can aid in assessing bleeding risk.
Abstract

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