Results 1 to 10 of about 5,092 (173)

Obstructive azoospermia: reconstructive techniques and results

Clinics, 2013
Obstructive azoospermia is a common cause of male infertility and can result from infection, congenital anomalies, or iatrogenic injury. Microsurgical vasal reconstruction is a suitable treatment for many cases of obstructive azoospermia, although some ...
Karen Baker, Edmund Sabanegh Jr.
exaly   +7 more sources

Differentiation between nonobstructive azoospermia and obstructive azoospermia: then and now [PDF]

Asian Journal of Andrology
Male infertility has seen an increase in prevalence with cases of azoospermia estimated to affect 10%–15% of infertile men. Confirmation of azoospermia subsequently necessitates an early causal differentiation between obstructive azoospermia (OA) and ...
Logan Hubbard, Amarnath Rambhatla, Giovanni M Colpi   +2 more
doaj   +4 more sources

Secretory azoospermia or non-obstructive azoospermia?

Folia Histochemica et Cytobiologica, 2010
In the non-obstructive azoospermia versus the secretory azoospermia it is first necessary to have a clear assessment and definition and then takes care of the patient before the surgical sampling taking into account the age of the woman and in fine try ...
J M Rigot
doaj   +4 more sources

Localization of obstruction sites in obstructive azoospermia: role of combined transscrotal–transrectal ultrasonography [PDF]

Insights into Imaging
Objective To evaluate the diagnostic performance of combined transscrotal–transrectal ultrasonography in predicting sites of obstructive azoospermia. Materials and methods From June 2019 to March 2023, 166 obstructive azoospermia patients who underwent ...
Xin Li, Chen-Cheng Yao, Chen-Wang Zhang, Xiao-Bo Wang, Li-Ren Jiang, Zheng Li, Peng Li, Rong Wu   +7 more
doaj   +2 more sources

Predictive factors of c-TESE success in eastern algerian patients with non-obstructive azoospermia: role of histology, hormones, and testicular volume [PDF]

Basic and Clinical Andrology
Background Non-obstructive azoospermia is the most severe and common form, representing 10–15% of infertile men. For these patients, testicular sperm extraction followed by intracytoplasmic sperm injection offer the only viable fertility option. However,
Besma Hibat allah Nourine, Leyla Ounis, Malak Hamoul, Fatima Zohra Haddad, Abdelali Zoghmar   +4 more
doaj   +2 more sources

Surgery for Obstructive Azoospermia

Fertility & Reproduction, 2023
Microsurgical technique in male infertility has progressed significantly since the introduction of intracytoplasmic sperm infection (ICSI) 30 years ago. The searching of sperm available for ICSI becomes the main tasks for reproductive andrologists.
William J. Huang
doaj   +3 more sources

Development of a nomogram for sperm retrieval at microTESE for idiopathic non-obstructive azoospermia in a multi-center cohort study. [PDF]

Andrology
Abstract Background Non‐obstructive azoospermia (NOA) affects approximately 10% of infertile men and represents a major challenge in assisted reproductive technology (ART). A model that includes histological variants could be helpful in predicting sperm retrieval rate (SRR) after microdissection testicular sperm extraction (mTESE) in patients affected ...
Russo GI, Pozzi E, Negri F, Falcone M, Zupo E, Preto M, Asmundo MG, Chamayou S, Dursun M, Kadıoğlu A, Salonia A.   +10 more
europepmc   +2 more sources

The role of varicocele treatment in the management of non-obstructive azoospermia

Clinics, 2013
The literature on male reproductive medicine is continually expanding, especially regarding the diagnosis and treatment of infertility due to non-obstructive azoospermia.
Levent Mert Gunay
exaly   +2 more sources

Differentiating between obstructive and non‐obstructive azoospermia: A machine learning‐based approach [PDF]

BJUI Compass
Background Infertility is a major global concern, with azoospermia, being the most severe form of male infertility. Distinguishing between obstructive azoospermia (OA) and non‐obstructive azoospermia (NOA) is crucial due to their differing treatment ...
Abdolreza Haghpanah, Nazanin Ayareh, Ashkan Akbarzadeh, Dariush Irani, Fatemeh Hosseini, Farid Sabahi Moghadam, Mohammad Ali Sadighi Gilani, Iman Shamohammadi   +7 more
doaj   +2 more sources

Сondition of urogenital tract microbiotes and pro- and antioxidant system in male azoospermia

Regulatory Mechanisms in Biosystems, 2021
Over the past 20 years, there has been a clear trend to increase in the number of infertile men in Ukraine, their percentage reaches 50% in infertile couples. There is a significant percentage of male infertility caused by azoospermia – the lack of sperm
M. Z. Vorobets, O. V. Melnyk, I. V. Kovalenko, R. V. Fafula, A. T. Borzhievsky, Z. D. Vorobets   +5 more
doaj   +1 more source