{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,23]],"date-time":"2026-04-23T03:37:06Z","timestamp":1776915426435,"version":"3.51.2"},"reference-count":26,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2011,4,13]],"date-time":"2011-04-13T00:00:00Z","timestamp":1302652800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["World j. surg."],"published-print":{"date-parts":[[2011,7]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The endoscopic totally extraperitoneal (TEP) mesh repair is nowadays a well\u2010established tension\u2010free method for inguinal hernia repair. Mainly based on animal studies and case reports, a concern about the risk of postoperative infertility was expressed. This clinical study aimed to evaluate the risk of infertility due to obstructive azoospermia in men of fertile age who underwent a bilateral hernia repair.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Over 3 years (2005\u20132008) 59\u00a0male patients, 18\u201360 years of age, underwent a bilateral TEP repair. Twenty\u2010one of them were prospectively (\u201clight mesh\u201d) and 38 retrospectively (\u201cheavy mesh\u201d) evaluated for testicular volume and perfusion, serum levels of sexual hormones, ejaculate volume, and number of spermatic cells. Those parameters were determined preoperatively (prospective group) and not earlier than 3\u00a0months postoperatively (both groups).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>No significant difference between pre\u2010 and postoperative values was detected in the prospectively studied group. All postoperative parameters were within the normal range in the retrospective group. There was no evidence of impaired fertility in any patient due to the operation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The standardized TEP technique for simultaneous bilateral inguinal hernia repair in male patients was not associated with a higher risk for postoperative infertility after mesh implantation. The use of heavy\u2010weight meshes had no negative effect on fertility.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00268-011-1072-0","type":"journal-article","created":{"date-parts":[[2011,4,12]],"date-time":"2011-04-12T18:41:57Z","timestamp":1302633717000},"page":"1643-1648","source":"Crossref","is-referenced-by-count":18,"title":["Bilateral Endoscopic Total Extraperitoneal (TEP) Inguinal Hernia Repair Does Not Induce Obstructive Azoospermia: Data of a Retrospective and Prospective Trial"],"prefix":"10.1002","volume":"35","author":[{"given":"S.","family":"Skawran","sequence":"first","affiliation":[{"name":"Department of Visceral and Trauma Surgery Knappschaftskrankenhaus Wieckesweg 27 44309 Dortmund Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Weyhe","sequence":"additional","affiliation":[{"name":"Department of General and Visceral Surgery Pius\u2010Hospital Georgstra\u00dfe 12 26121 Oldenburg Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B.","family":"Schmitz","sequence":"additional","affiliation":[{"name":"Department of Visceral and Trauma Surgery Knappschaftskrankenhaus Wieckesweg 27 44309 Dortmund Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O.","family":"Belyaev","sequence":"additional","affiliation":[{"name":"Department of Surgery St. Josef\u2010Hospital, Ruhr\u2010University Bochum Gudrunstra\u00dfe 56 44791 Bochum Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. 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