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Urology. 2008 Oct;72(4):843-6. doi: 10.1016/j.urology.2008.05.020. Epub 2008 Aug 22.

Artery-only occlusion may provide superior renal preservation during laparoscopic partial nephrectomy.

Author information

1
Section of Urology, Department of Surgery, University of Chicago, Chicago, IL 60637, USA. emgong@post.harvard.edu

Abstract

OBJECTIVES:

Artery-only occlusion (AO) has been used during nephron-sparing surgery to reduce ischemic damage. However, this has not been demonstrated in laparoscopic partial nephrectomy (LPN). We compared our experience with AO and both artery and vein occlusion (AV) in LPN to optimize the method of ischemia.

METHODS:

This retrospective case-control study identified 25 patients who underwent AO during LPN and matched them to a cohort of 53 patients who underwent LPN with AV. The groups were compared for ischemia time, blood loss, transfusion rate, and renal function.

RESULTS:

The 2 cohorts were comparable on demographic data. Blood loss was similar, with AO and AV demonstrating equivalent transfusion rates. The 2 cohorts had similar warm ischemia times. Positive margin rate was not affected by venous backflow in the AO cohort (0% AO vs 1.9% AV, P = .679). No significant postoperative change in creatinine (Cr) or creatinine clearance (CrCl) was seen for AO; however, a significant change in Cr and CrCl was seen in AV.

CONCLUSIONS:

AO during LPN does not lead to a greater blood loss or an increased warm ischemia time. The benefit of AO on renal function is significant and requires further investigation.

PMID:
18722656
DOI:
10.1016/j.urology.2008.05.020
[Indexed for MEDLINE]

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