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  • Title: Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia.
    Author: Zhou MK, Zhuang JT, Liao WY, Long SY, Tu XA.
    Journal: J Vis Exp; 2022 May 27; (183):. PubMed ID: 35695535.
    Abstract:
    The epididymis is a common site of obstruction in obstructive azoospermia (OA). Vasoepididymostomy has become an important method for the treatment of epididymal OA since 2000. There are two challenges in classic microscopic vasoepididymostomy. First, anastomosis of the vas deferens and epididymis is performed with double-needle sutures. However, there is a lack of good-quality and cost-effective double-needle sutures in China, which leads to increased difficulty and poor success rates of anastomosis. Second, the separation of the vas deferens does not retain vasculature, although the vas deferens vasculature plays an important role in the blood supply to the vas deferens, epididymis, and testis. This affects the blood supply to the anastomotic area and epididymis. Therefore, this team has made innovative improvements to address these problems. Good-quality, cost-effective, single-needle sutures, which are easy to purchase in China and other countries, were used in microsurgical longitudinal intussusception vasoepididymostomy. This can optimize the operation procedure and shorten the operation time while ensuring the success rate of the anastomosis. The surgical method of preserving the vas deferens vessels was innovatively proposed because the etiology of epididymal OA is mostly inflammatory in China. The protection of the blood supply to the vas deferens and epididymis is maximized using microsurgical forceps to separate and protect the vasculature. Patency reached 81.7% in the postoperative follow-up, indicating a better surgical treatment effect.
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