Results 11 to 20 of about 28,518 (267)

Varicocele in brothers of patients with varicocele. [PDF]

Urology journal, 2007
The aim of this study was to evaluate varicocele patients' brothers to determine whether they are at a higher risk of varicocele than the general population of men.A total of 56 patients with varicocele and their 131 brothers (> 16 years old) were evaluated. The brothers had no complaints of infertility, pain, or cosmetic problems.
Beigi, Faramarz Mohammadali, Mehrabi, Sadrollah, Javaherforooshzadeh, Ahmad   +2 more
openaire   +6 more sources

Effect of Tadalafil on Testicular Histology and Sperm Parameters in An Experimental Varicocele Model

Andrologia, Volume 2026, Issue 1, 2026.
Objectives Varicocele is a common cause of male infertility, often associated with oxidative stress and impaired testicular blood flow. This study aimed to evaluate whether orally administered tadalafil, through its cGMP‐mediated vasodilatory and antioxidant effects, can protect against histological damage and altered sperm parameters in a rat model of
Melih Yetemen, Mehmet Çağatay Çiçek, Kadir Ömür Günseren, Mehmed Berk Toker, Onur Onguncan, Berna Aytaç Vuruşkan, Levent Turan, Hakan Kılıçarslan   +7 more
openalex   +2 more sources

Body mass index and age correlate with antioxidant supplementation effects on sperm quality: Post hoc analyses from a double-blind placebo-controlled trial [PDF]

, 2020
Spermatozoa are vulnerable to lack of energy and oxidative stress as a result of elevated levels of reactive oxygen species. Therefore, it is essential that appropriate nutrients are available during maturation.
Agarwal, Ashok, Busetto, Gian Maria, Chung, Benjamin I, De Berardinis, Ettore, Del Giudice, Francesco, Ferro, Matteo, Maggi, Martina, Porreca, Angelo, Sciarra, Alessandro, Virmani, Ashraf   +9 more
core   +1 more source

The first Australian evidence-based guidelines on male infertility. [PDF]

Med J Aust
Abstract Introduction Infertility affects about one in six couples and a male factor may contribute to 50% of cases. Until recently, no Australian‐based clinical guidelines for the management of male infertility had been published. A panel of experts was assembled to formulate the first Australian evidence‐based guidelines on male infertility.
Katz DJ, O'Donnell L, McLachlan RI, Moss TJ, Boothroyd CV, Jayadev V, Catford SR.   +6 more
europepmc   +2 more sources

Effect of varicocele repair on sperm retrieval rate and testicular histopathological patterns in men with nonobstructive azoospermia

Asian Journal of Andrology, 2022
Varicocele adversely affects semen parameters. However, the effect of varicocele repair on the sperm retrieval rate and testicular histopathological patterns in men with nonobstructive azoospermia has not been widely reported. We retrospectively assessed
Ponco Birowo, Dimas Tri Prasetyo, Dwi Ari Pujianto, Widi Atmoko, Nur Rasyid, Ivan Rizal Sini   +5 more
doaj   +1 more source

Effect of metabolic and antioxidant supplementation on sperm parameters in oligo-astheno-teratozoospermia, with and without varicocele: a double-blind placebo-controlled study [PDF]

, 2018
Since sperm require high energy levels to perform their specialised function, it is vital that essential nutrients are available for spermatozoa when they develop, capacitate and acquire motility.
Agarwal, A., Antonini, G., Busetto, G. M., De Berardinis, E., Del Giudice, F., Gentile, V., Micic, S., Ragonesi, G., Virmani, A.   +8 more
core   +1 more source

Varicocele among healthy young men in Turkey; prevalence and relationship with body mass index

International Brazilian Journal of Urology, 2012
AIM: Varicocele is characterized by abnormal tortuosity and dilatation of the veins of the pampiniform plexus within the spermatic cord and is one of the causes related to male infertility.
Haluk Soylemez, Murat Atar, Ahmet Ali Sancaktutar, Yasar Bozkurt, Necmettin Penbegul   +4 more
doaj   +1 more source

Simultaneous microsurgical spermatic vein ligation and sclerotherapy - A combined procedure for the treatment of recurrent or persistent varicocele [PDF]

, 2001
Objectives: Microsurgical ligation as well as antegrade sclerotherapy have been established in varicocele treatment. The aim of this study was to evaluate whether a combination of microsurgery.
Adam, C., Corvin, Stefan, Hofstetter, Alfons, Liedl, B., Reich, O., Stürminger, P., Zaak, Dirk   +6 more
core   +1 more source

Moment of induction and duration of experimental varicocele in rats: effects on semen quality [PDF]

International Brazilian Journal of Urology
Purpose Varicocele is a condition known to cause damage to seminal parameters and sperm function. Furthermore, it has been hypothesized that the varicocele effect on fertility is time-dependent; however, little is known about the consequences of its ...
Renata Cristina de Carvalho, Rhayza Roberta Andretta, Jheysson Alfredo Cordeiro de Moura, Ricardo Pimenta Bertolla, Fatima Kazue Okada   +4 more
doaj   +1 more source

Varicocele: An Endocrinological Perspective

Frontiers in Reproductive Health, 2022
Varicocele affects 15% of male population but it is more frequently identified in patients searching medical care for infertility. The impact of varicocele on semen production and fertility is known, but the relationship between clinical varicocele and ...
Giuseppe Bellastella, Raffaela Carotenuto, Francesco Caiazzo, Miriam Longo, Paolo Cirillo, Lorenzo Scappaticcio, Carla Carbone, Davide Arcaniolo, Maria Ida Maiorino, Katherine Esposito   +9 more
doaj   +1 more source