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Evaluation of complications due to percutaneous renal biopsy: a clinical and angiographic study
Insights
Percutaneous kidney biopsies are generally safe, with few clinically significant complications. Angiography-guided biopsies showed transient creatinine increases and minor permanent kidney lesions, but no major issues were identified.
Area of Science:
- Nephrology
- Interventional Radiology
Background:
- Percutaneous kidney biopsy is a crucial diagnostic tool.
- Understanding complication rates is essential for patient safety and procedure optimization.
Purpose of the Study:
- To evaluate the complication rate of percutaneous kidney biopsies.
- To assess complications specifically in angiography-guided procedures.
Main Methods:
- Retrospective analysis of 173 percutaneous biopsies in 158 patients.
- Detailed review of complications, including hematomas, arteriovenous fistulae, and renal infarction.
- Assessment of serum creatinine changes and permanent kidney lesions.
Main Results:
- Complications occurred in 23% (hematomas), 8% (arteriovenous fistulae), and 6% (renal infarction) of angiography-guided biopsies.
- No predisposing factors for complications were identified.
- Transient serum creatinine elevation was observed post-biopsy; 13% of biopsies showed permanent kidney lesions, none clinically significant.
Conclusions:
- Percutaneous kidney biopsy, even when angiography-guided, has a low rate of clinically significant complications.
- The observed kidney lesions and creatinine changes are generally transient and not of major clinical concern.
Abstract:
Complications due to 173 percutaneous biopsies in 158 patients were evaluated. In 57 of the patients the biopsies were guided by renal angiography, and in this group hematomas were found in 23% of the biopsies, arteriovenous fistulae in 8%, and renal infarction in 6%. No predisposing factors leading to complications were found. A transient increase in serum creatinine concentration was recorded with a maximal value about the fourth to sixth day after the biopsy. Thirteen percent of the biopsies controlled by angiography resulted in permanent kidney lesions, but none of them seemed to be of clinical importance.