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Abstract
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.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.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.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.
View details for DOI 10.1016/j.urology.2008.03.006
View details for Web of Science ID 000262379700036
View details for PubMedID 18977020