Transverse 2 suture vasoepididymostomy has a patency rate similar to that of the 3 suture technique. Our new 2 suture longitudinal technique, which allows a larger opening in the epididymal tubule for anastomosis, is superior to the 2 and 3 suture techniques with respect to the patency and sperm granuloma rates.
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Chan et al. (2003) studied this question.
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