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Optimizing the Modified No-Scalpel Vasectomy Technique
Published on: October 18, 2024
Persistent motile sperm after ligation band vasectomy
Laurence A Levine1, Michael R Abern, Matthew M Lux
1Department of Urology, Rush University Medical Center, Chicago, Illinois 60612, USA. drlevine@hotmail.com
The Journal of Urology
|October 31, 2006
Summary
The VasClip device for vasectomy failed in 25% of cases, leading to sperm granulomas and one unwanted pregnancy. Further study is needed to understand VasClip failure mechanisms.
Area of Science:
- Urology
- Reproductive Medicine
- Surgical Devices
Background:
- Vasectomy is a common surgical procedure for male sterilization.
- Novel devices aim to simplify and improve vasectomy outcomes.
- The VasClip is a ligation band used for vasectomy.
Purpose of the Study:
- To evaluate the efficacy of the VasClip vasectomy.
- To determine the mechanism of failure for VasClip vasectomies.
Main Methods:
- A case series of 8 patients undergoing VasClip vasectomy.
- Postoperative semen analysis at ≥4 weeks and ≥15 ejaculations.
- Surgical exploration and histological analysis of failed cases.
Main Results:
- 6 of 8 patients (75%) achieved azoospermia.
- 2 of 8 patients (25%) had persistent sperm in semen.
- Failed cases showed vasal patency, sperm extravasation, and granuloma formation.
Conclusions:
- The VasClip demonstrated a high failure rate (25%).
- Mechanisms of failure include fistula tract formation and sperm extravasation.
- Patient counseling on postoperative follow-up is crucial due to failure risks, including pregnancy.

