Injury to the Pre-Pubertal Vas Deferens. II. Experimental Repair

TL;DRAbstract

We have previously shown that the human vas deferens does not change in cross-sectional size between birth and the middle of puberty. This suggests that if the human vas is injured prior to mid-puberty, repair by a traditional microsurgical vasovasostomy may be technically difficult. We propose that a chromic stent can be used to assist in the repair of vas injured before mid-puberty. This hypothesis was tested in Sprague-Dawley rats. At three weeks of age, male offspring were divided into three groups (eight to nine rats/group): 1) Sham group--a sham operation at three weeks, 2) VV group--bilateral transection of vasa at three weeks followed by a delayed repair at eight weeks by microsurgical vasovasostomy without a stent, 3) Stent group--bilateral transection of vasa at three weeks followed by immediate repair by aligning the lumens with a 6-0 chromic intravasal stent (suture) and holding the transected ends together with several seromuscular sutures. At four months all rats were fer

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