نتایج جستجو برای: nonobstructive azoospermia
تعداد نتایج: 2977 فیلتر نتایج به سال:
Over the past 20 years, there has been a clear trend to increase in number of infertile men Ukraine, their percentage reaches 50% couples. There is significant male infertility caused by azoospermia – lack sperm ejaculate. In infertility, found 10–15% patients, among other forms pathospermia. Given ambiguity ideas about etiology, pathogenesis and treatment diagnostic approaches for various type...
OBJECTIVE To evaluate sperm retrieval in men with nonobstructive azoospermia and maturation arrest (MA) undergoing microdissection testicular sperm extraction (micro-TESE). DESIGN Retrospective chart review. SETTING Tertiary referral center. PATIENT(S) Men with nonobstructive azoospermia and MA who underwent micro-TESE. INTERVENTION(S) Microdissection TESE. MAIN OUTCOME MEASURE(S) Spe...
BACKGROUND Although microRNAs (miRNAs) play essential roles in spermatogenesis, little is known about seminal plasma miRNAs in infertile men. We investigated the profile of seminal plasma miRNAs in infertile men to identify miRNAs that are altered in infertility; we then evaluated their diagnostic value. METHODS Seminal plasma samples were obtained from 289 infertile men and 168 age-matched f...
The clinical management of men with nonobstructive azoospermia (NOA) seeking fertility has been a challenge for andrologists, urologists, and reproductive medicine specialists alike. This review presents a personal perspective on the clinical management of NOA, including the lessons learned over 15 years dealing with this male infertility condition. A five-consecutive-step algorithm is proposed...
During a period of 8 years, 1,079 intracytoplasmic sperm injection (ICSI) procedures with aspirated epididymal or testicular spermatozoa were performed. Epididymal spermatozoa were used in 172 cycles and testicular spermatozoa or spermatids in 907 cycles. Multiple biopsies were obtained from at least two different locations in the testes. Retrieved spermatozoa were used after cryopreservation (...
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