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. 2015 Apr;8(2):151-6.
doi: 10.1093/ckj/sfv012. Epub 2015 Mar 2.

Real-time ultrasound-guided percutaneous renal biopsy with needle guide by nephrologists decreases post-biopsy complications

Narayan Prasad  1 , Shashi Kumar  1 , Revanasiddappa Manjunath  1 , Dharmendra Bhadauria  1 , Anupama Kaul  1 , Raj K Sharma  1 , Amit Gupta  1 , Hira Lal  2 , Manoj Jain  3 , Vinita Agrawal  3
Affiliations

Real-time ultrasound-guided percutaneous renal biopsy with needle guide by nephrologists decreases post-biopsy complications

Narayan Prasad et al. Clin Kidney J. 2015 Apr.

Abstract

Background: Percutaneous renal biopsy (PRB) can result in serious complications. The study is aimed to compare the biopsy yield and complications rate of the real-time ultrasonagram (USG)-guided PRB and needle tracking with and without needle guide in two different study periods.

Methods: We compared the yield and complications of 2138 kidney biopsies performed in two different periods, 1510 biopsies during the first period from April 2004-December 2010 and 628 biopsies during second period from January 2011-March 2013. All biopsies in both periods were performed by nephrologists. Radiologists provided the real-time image without needle guide during the first period while nephrologists performed both imaging and biopsy with needle guide during the second period.

Results: Of all the 2138 patients, 226 (10.5%) patients developed 118 minor and 108 major complications. Only 13 (2.1%) major complications occurred in the second period and 95 (6.7%) in the first period (P < 0.001). The relative risk of developing a major complication without guide was 3.04 times greater than that of the biopsies performed with use of the guide. The mean number of glomeruli per biopsy obtained during the second period (17.98 ± 6.75) was significantly greater than that of the first period (14.14 ± 6.01) (P = 0.004). The number of passes to acquire adequate tissue (P = 0.001) and percentage of cortex on biopsy (P = 0.001) were also significantly better in the second period. The optimal observation period post biopsy is 24 h.

Conclusions: Real-time USG imaging supported by needle guide device is associated with better biopsy yield and fewer complications.

Keywords: Ultra-pro needle guide; complications; percutaneous renal biopsy; real-time ultrasound.

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Figures

Fig. 1.
Fig. 1.
(A) Image of Ultra-pro II needle guide, Civco, IA, USA, and (B) image of left kidney lower pole with dot marks of guide (arrow).
See this image and copyright information in PMC

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