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Updated: Jan 31, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
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Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

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Open epididymal spermatozoa aspiration for obstructive azoospermia

Joost M Blok1, Caren van Roekel1, Ralph J A Oude Ophuis2

  • 1Department of Urology, University Medical Center Utrecht, Utrecht, The Netherlands.

Andrologia
|December 22, 2018
PubMed
Summary

Open epididymal spermatozoa aspiration (OESA) is a reliable surgical sperm retrieval method for men with obstructive azoospermia (OA). This technique, followed by intracytoplasmic sperm injection (ICSI), shows a 76.6% sperm retrieval rate and a 50.8% pregnancy rate.

Keywords:
assisted reproductive techniquesazoospermiaintracytoplasmic sperm injectionmale infertilitysperm retrieval

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