{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T20:18:05Z","timestamp":1792095485208,"version":"4.4.0"},"reference-count":22,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2024,9,20]],"date-time":"2024-09-20T00:00:00Z","timestamp":1726790400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To assess the efficacy of intratesticular injection of autologous platelet\u2010rich plasma (PRP) in men with non\u2010obstructive azoospermia (NOA) and a history of failed microdissection\u2010testicular sperm extraction (mTESE) procedures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A prospective case series of a cohort study was conducted involving couples diagnosed with NOA. Patients with at least one failed mTESE procedure were included. Intratesticular PRP injection was performed using a standardized protocol. Follow\u2010up assessments included sperm analysis, hormonal evaluation, and in vitro fertilization (IVF) outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Data from 177 men with NOA were analyzed, with 135 patients meeting eligibility criteria. PRP treatment resulted in positive sperm retrieval rates of 27.5% in patients with one prior failed mTESE procedure and 16.4% in patients with two or more failed attempts. IVF outcomes showed fertilization rates of 86.4% and 100.0% in respective groups, with pregnancy rates of 36.8% and 22.2% per embryo transfer. Histopathological examination post\u2010mTESE revealed varied patterns, including Sertoli cell\u2010only syndrome and maturation arrest.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Intratesticular PRP injection shows promise as a potential therapeutic approach for NOA patients with prior failed mTESE procedures, demonstrating improved sperm retrieval rates and favorable IVF outcomes. Further randomized controlled trials are warranted to validate these findings and refine the technique's efficacy in male infertility management to answer the question of whether PRP could significantly improve the second attempt retrieval rate.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.16093","type":"journal-article","created":{"date-parts":[[2024,9,21]],"date-time":"2024-09-21T06:34:29Z","timestamp":1726900469000},"page":"1977-1984","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["The effect of intratesticular autologous platelet\u2010rich plasma injection on sperm retrieval rates and in vitro fertilization outcomes in couples with non\u2010obstructive azoospermia"],"prefix":"10.1111","volume":"50","author":[{"given":"Tansu","family":"Gudelci","sequence":"first","affiliation":[{"name":"Department of Urology Acibadem Maslak Hospital  Istanbul 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