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      Microsurgical vasoepididymostomy for patients with infectious obstructive azoospermia: cause, outcome, and associated factors

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          Abstract

          Azoospermia is of great importance to male infertility. Obstructive azoospermia (OA) due to infection is the most prevalent form of OA in China and has been less studied. We aim to observe the treatment outcome of microsurgical vasoepididymostomy (VE) and also to identify the factors relative to the result after reconstructive surgery. Two hundred and eight men presenting with OA due to infection during the study period from July 2010 to July 2013 were prospectively evaluated. Clinical examination, semen analysis, serum follicle stimulating hormone (FSH), and scrotal ultrasound were done before surgical exploration. Among the 198 men who were selected for surgical procedures, 159 candidates underwent microsurgical VE with sperm detected in the epididymal fluid. As for the other 39 cases, reconstruction was not feasible. The average age was 28.5 ± 3.9 years (range 22–38), with average follow-up being 16.5 ± 5.9 months (range 4–28). According to the 150 cases being followed after VE procedures, the total patency rate was 72% (108/150). During follow-up, 38.7% (58/150) natural pregnancies occurred, with overall live birth rate being 32.7% (49/150). Our data suggested that microsurgical VE is an effective therapy for postinfectious epididymal OA. Individualized counseling with prognosis based on etiology should be offered to patients to select optical therapy.

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          Most cited references25

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          Ultrasound of the male genital tract in relation to male reproductive health.

          Infertility affects ∼7% of all men. Despite much progress, mainly in genetics, its etiology remains obscure in ∼50% of cases. To fill this gap, imaging of the male genital tract (MGT) has progressively expanded, providing useful information in the assessment of MGT abnormalities.
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            Chronic epididymitis: impact on semen parameters and therapeutic options.

            Chronic inflammatory conditions of the genital tract are frequently encountered in male fertility problems. The diagnosis, however, is hampered by a mostly asymptomatic course of the disease as well as inappropriate definitions and unspecific diagnostic criteria. With regard to their impact on male reproductive function, epididymitis seems to be more relevant than inflammation/infection of the prostate and/or seminal vesicles. Chronic epididymitis may result in reduced sperm count and motility. Impaired sperm motility because of epididymal dysfunction is frequently associated with an atypical staining behaviour of sperm tails. In many cases of chronic epididymitis, the number of leukocytes in the ejaculate is below the threshold of 10(6) per ml; therefore, consideration of additional markers of inflammation such as granulocyte elastase, pro-inflammatory cytokines (e.g. interleukin-6 or 8) or reactive oxygen species is helpful for establishing the diagnosis. Besides changes in the conventional sperm parameters, alterations in DNA integrity have been observed. Positive effects of antiphlogistic/antibiotic treatment on semen quality have been reported; however, controlled prospective studies are still lacking.
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              Surgery or assisted reproduction? A decision analysis of treatment costs in male infertility.

              Assisted reproductive technology (ART), including in vitro fertilization and intracytoplasmic sperm injection, is routinely used to treat male factor infertility. Because of the success of ART, the optimal method to achieve pregnancy with male infertility is controversial. Two examples in which ART competes with traditional male infertility treatments are varicocelectomy and vasectomy reversal. We used formal decision analysis to estimate and compare the cost-effectiveness of surgical therapy and ART for varicocele and vasectomy reversal. Decision analysis models were created for infertile men seeking paternity with varicocele and with post-vasectomy obstruction. Outcome probabilities applied to the model were derived from institutional and published sources. Costs of interventions were calculated from institutional data. Sensitivity analyses determined which elements were most important and, thus, were used to calculate threshold values. Vasectomy reversal is as cost-effective as ART if bilateral vasovasostomy can be performed. However, if unilateral or bilateral vasoepididymostomy is required, sperm retrieval/intracytoplasmic sperm injection may be more cost-effective due to lower patency rates. Vasectomy reversal is more cost-effective across all pregnancy rates provided that patency rates are greater than 79%. Surgical repair of varicocele is more cost-effective when the postoperative pregnancy rate is greater than 14% in men with a preoperative total motile sperm count of less than 10 million sperm and greater than 45% in men with greater than 10 million total motile sperm. A decision analysis based comparison of ART and classic surgical therapy suggests that varicocelectomy and vasectomy reversal are the most economical treatments in many cases of infertility due to these lesions. Tailoring the decision models to individual centers permits more accurate comparisons using specific costs as well as the surgical outcomes and results of ART.
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                Author and article information

                Journal
                Asian J Androl
                Asian J. Androl
                AJA
                Asian Journal of Andrology
                Medknow Publications & Media Pvt Ltd (India )
                1008-682X
                1745-7262
                Sep-Oct 2016
                26 February 2016
                : 18
                : 5
                : 759-762
                Affiliations
                [1 ]Center for Reproductive Medicine, Shanghai Human Sperm Bank, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200135, China
                [2 ]Department of Urology, Shanghai Institute of Andrology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
                [3 ]Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, 200135, China
                Author notes
                Correspondence: Dr. P Ping ( allanbacon@ 123456163.com )
                Article
                AJA-18-759
                10.4103/1008-682X.175095
                5000800
                26924282
                b9ddfc1e-6423-4972-9bd1-89bb04d96897
                Copyright: © Asian Journal of Andrology

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

                History
                : 10 September 2015
                : 24 October 2015
                : 25 December 2015
                Categories
                Original Article

                infection,obstructive azoospermia,vasoepididymostomy

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