Use of viscoelastic solution to improve visualization during urologic microsurgery: evaluation of patency after vasovasostomy.

Abstract:

OBJECTIVES:Viscoat is a nonpyrogenic, sterile, viscoelastic solution used to protect the endothelium and enhance visualization during cataract and corneal surgery. Commonly used in ophthalmic surgery, we evaluated whether it could improve the optics during urologic microsurgery without adversely affecting outcomes. METHODS:We retrospectively compared consecutive vasovasostomies performed by a single surgeon with (n = 23) and without (n = 50) the bilateral use of Viscoat. The examined parameters included patient age, vasectomy duration, intraoperative sperm characteristics, patency (ejaculation of motile sperm), time to patency, and postoperative semen characteristics. The comparisons of the sample mean values and proportions were assessed with analysis of variance, Wilcoxon, and chi(2) tests. RESULTS:Subjectively, Viscoat improved visualization of the vasal lumen and suture placement and aided in resident and fellow instruction. The vasovasostomy cases performed with and without the use of Viscoat were similar with regard to the patient and intraoperative characteristics. The overall patency rates were similar between the two groups (91% vs 92%, P = .92) with a median follow-up of 7 months. In addition, the best total motile sperm count and the durability of the patency achieved were similar between the two groups. CONCLUSIONS:Viscoat is a dispersive agent that does not adversely affect surgical patency after vasovasostomy. Subjectively, it helped with visualizing the lumen of the vas deferens during urologic microsurgery.

journal_name

Urology

journal_title

Urology

authors

Eisenberg ML,Walsh TJ,Turek PJ

doi

10.1016/j.urology.2008.03.006

subject

Has Abstract

pub_date

2009-01-01 00:00:00

pages

134-6

issue

1

eissn

0090-4295

issn

1527-9995

pii

S0090-4295(08)00337-3

journal_volume

73

pub_type

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