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Related Concept Videos

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Vasectomy is a surgical form of male sterilization that involves severing and sealing the vasa deferentia, preventing sperm from mixing with semen during ejaculation. Because a vasectomy does not impact the testes' ability to produce testosterone, hormone levels, libido, and sexual function generally remain unchanged. While vasectomy is highly effective in preventing pregnancy, with a success rate near 99.85%, rare cases of recanalization (spontaneous reconnection) can occur. Although...
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As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation.
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Updated: May 1, 2026

Optimizing the Modified No-Scalpel Vasectomy Technique
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Vasectomy occlusion techniques for male sterilization.

Lynley A Cook1, Huib A A M Van Vliet, Laureen M Lopez

  • 1Public Health and General Practice, University of Otago, Box 4345, Christchurch, Canterbury, New Zealand, 8140.

The Cochrane Database of Systematic Reviews
|April 1, 2014
PubMed
Summary
This summary is machine-generated.

Fascial interposition reduces vasectomy failure, while intra-vas devices are less effective than no-scalpel vasectomy. More high-quality randomized controlled trials (RCTs) are needed to compare vasectomy techniques for male sterilization.

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Area of Science:

  • Urology
  • Family Planning
  • Surgical Techniques

Background:

  • Vasectomy is a popular and effective male sterilization method.
  • Current guidelines often lack evidence from randomized controlled trials (RCTs).
  • Various techniques exist, including occlusion, irrigation, and fascial interposition.

Purpose of the Study:

  • To compare the effectiveness, safety, acceptability, and costs of different vasectomy techniques.
  • To provide evidence-based recommendations for vasectomy procedures.

Main Methods:

  • Systematic review and meta-analysis of RCTs.
  • Searched multiple databases (CENTRAL, MEDLINE, POPLINE, LILACS, EMBASE) and clinical trial registries.
  • Included RCTs comparing various vasectomy techniques, assessing outcomes like azoospermia, time to azoospermia, and side effects.

Main Results:

  • Fascial interposition significantly reduced vasectomy failure rates compared to no fascial interposition.
  • Intra-vas devices were less effective in achieving azoospermia than no-scalpel vasectomy.
  • Studies on vas occlusion with clips and vas irrigation were low quality and underpowered, precluding firm conclusions.

Conclusions:

  • Fascial interposition is a beneficial technique for reducing vasectomy failure.
  • No-scalpel vasectomy appears more effective than intra-vas devices for sperm count reduction.
  • Further high-quality RCTs are essential to definitively compare the efficacy and safety of diverse vasectomy techniques.