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[Comparative study of deferential permeability in rats after microsurgical vasovasotomy using the Howard technique
M Amer1, C Cressey, G A Ouegnin
1Service d'Urologie-Andrologie, Hôpital Saint-Antoine, Paris.
Abstract:
Microsurgery is the technique of choice for vasectomy reversal. This study was undertaken to compare the patency of the vas deferens in rats after vasovasostomy performed either according to the technique described by Howard or using low energy Co2 laser. Two groups of rats were operated on using a surgical microscope. Results were evaluated on the external appearance and histopathological studies of the anastomosis, as well as on patency as documented by a methylene blue test. Both techniques proved satisfactory, but results were clearly better with the laser method. These findings suggest that the laser technique should be preferred in human surgery.