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Marmar, J.L. et al.

Microsurgical aspiration of sperm from the epididymis: a mobile program.

We report data from 25 microsurgical aspirations of the epididymis on 22 men. There were 14 men with congenital absence of the vas, 6 with failed vasoepididymostomy, 1 with adult cystic fibrosis and 1 with a childhood hernia repair. The specimens were used for assisted reproductive technologies, including in vitro fertilization and tubal embryo transfer. The protocol for aspiration, ovulation induction and sperm processing evolved during the course of these studies, and the patients were classified into 2 groups on the basis of methodology. Seventeen procedures were performed for the in-house in vitro fertilization team but 8 other procedures were done for nearby in vitro fertilization centers, and the final prepared sperm samples were transported as part of our mobile program. Group 1 patients underwent standard aspiration techniques, standard ovulation induction and sperm processing by wash and swim up. Among this group there were no fertilizations or pregnancies with 8 in-house and 2 transported specimens. Group 2 patients had leuprolide suppression before ovulation induction, direct intratubular aspiration and a complex sperm preparation, including pentoxifylline stimulation, mini-Percoll filtration and incubation with human follicular fluid. Among this group there were 2 fertilizations and 1 pregnancy with 9 in-house cases, and 3 fertilizations and 2 pregnancies with 6 transported specimens. These results suggest that a mobile program for microsurgical aspirations of sperm from the epididymis and in vitro fertilization or tubal embryo transfer is feasible within the framework of a strict protocol.[1]

References

Microsurgical aspiration of sperm from the epididymis: a mobile program. Marmar, J.L., Corson, S.L., Batzer, F.R., Gocial, B., Go, K. J. Urol. (1993) [Pubmed]

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