Results of 1,469 microsurgical vasectomy reversals by the Vasovasostomy
Comparison of outcomes of vasovasostomy
performed in the convoluted and straight vas deferens.
Robotic microsurgical vasovasostomy
and vasoepididymostomy: A prospective randomized study in a rat model," Journal of Urology 171(4): 1720-1725.
Werthman performs the vasovasostomy
as an outpatient procedure in one to two hours.
In the study, the decision to perform vasovasostomy
or epididymal bypass was determined by the presence of sperm in the vasal fluid.
The pregnancy rate following vasovasostomy
varies significantly, depending primarily on the interval between the vasectomy and the reversal.
Historically, surgeons have relied only on the standard vasovasostomy
to reconnect the vas deferens.
3) Removal of a 4-cm length of vas has a 100% success rate but involves extensive operative dissection, increases the chance of bleeding and postoperative pain, and is not amenable to later vasovasostomy