Age-related sperm abnormalities due to varicocele: is there an answer?
نویسندگان
چکیده
منابع مشابه
Can Altered Expression of HSPA2 in Varicocele Patients Lead to Abnormal Spermatogenesis?
Background Heat shock protein A2 (HSPA2) is correlated with sperm maturity and function. Therefore, dysfunctional expression of this gene results in abnormal spermatogenesis. On the other hand, DNA damage in spermatozoa is considered to be an important cause of male infertility, and the presence of sperm with DNA fragmentation and chromatin abnormalities in human ejaculates is well documented, ...
متن کاملبررسی ارتباط میزان دیامتر و وجود رفلاکس با آزمایش اسپرم در بیماران مبتلا به واریکوسل در بیمارستان شهید هاشمی‌نژاد در سال 1382
Background & Aim: Varicocele is the dilation of the pampiniform venous plexus of testis more than 2 mm and is one of the most common causes of sperm abnormalities in infertile men. The main diagnostic test for varicocele is ultrasonography that evaluates the vein diameter in B mode exam and venous reflux in color Doppler exam, but there is no single agreement on the importance of these two ...
متن کاملP-17: Body Mass Index and Sperm Counts Associated with Varicocele in Infertile Men
Background: Varicocele is a progressive disease and etiology of varicocele is not well known. Some studies have been reported that prevalence of varicocele decreases with increasing BMI. The aim of this study was to determine interrelation of varicocoele with height, body mass index (BMI) and sperm counts in infertile men. Materials and Methods: We retrospectively evaluated the data of all pati...
متن کاملA REVIEW OF 427 CASES OF VARICOCELE
427 patients with varicocele ranging in age from 14 to more than 35 years underwent surgical operation during a 10 year period (1977-1986). 190 (44.5%) were referred for infertility and 365 had left-sided varicoceles (85.5%). No relationship was found between infertility and the grade of varicocele. Clinical features of prostatitis were often present. Semen analyses were performed in 37% o...
متن کاملSperm DNA fragmentation
tau.amegroups.com © Translational Andrology and Urology. All rights reserved. I agree with Agarwal et al. (1) that sperm DNA fragmentation (SDF) should be included in the evaluation of male factor infertility, along with semen analysis. Although there exist divergent views on this topic, our group has routinely employed SDF (TUNEL assay) and other methods for identification of sperm DNA damage ...
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عنوان ژورنال:
- Journal of postgraduate medicine
دوره 53 1 شماره
صفحات -
تاریخ انتشار 2007