An experimental study was performed comparing 6-0 polypropylene and 6-0 polyglycolic acid sutures in vasovasostomy. An indwelling entirely intraluminal splint of PE-10 tubing was used which was surgically removed three weeks postoperatively. Three months after vasovasostomy patency was determined by vasography. Eighty-five per cent patency was achieved with polyglycolic acid compared with 58 per cent patency when polypropylene was used.
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