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The Examination of Peroxidase-Positive Leukocytes in Semen
Published on: January 19, 2024
A novel cost-effective approach to post-vasectomy semen analysis
Eshan Senanayake1, Allan A Pacey, Vinod Maddireddy
1Department of Urology, Royal Hallamshire Hospital, Sheffield, UK.
BJU International
|March 11, 2011
Summary
A new method for post-vasectomy semen analysis (PVSA) improves compliance and reduces costs by focusing on sperm viability testing for high-risk individuals. This cost-effective strategy ensures vasectomy success without compromising patient outcomes.
Area of Science:
- Urology
- Reproductive Medicine
- Andrology
Background:
- Vasectomy is a common form of male contraception.
- Post-vasectomy semen analysis (PVSA) is crucial for confirming azoospermia.
- Current guidelines may lead to high costs and lower compliance.
Purpose of the Study:
- To evaluate a novel, cost-effective approach to PVSA.
- To assess compliance, clearance rates, and cost-effectiveness of sperm viability testing.
- To determine the success rate of vasectomy using this refined protocol.
Main Methods:
- Prospective study of 832 men post-vasectomy (2003-2005).
- Initial PVSA at 16 weeks; repeat at 20 weeks only if sperm detected.
- Comprehensive sperm viability testing (fluorescent probe) for persistent non-motile sperm (PNMS).
Main Results:
- 81.3% compliance with the PVSA protocol.
- Vasectomy failure rate was 1.2% (motile sperm or viable non-motile sperm).
- Protocol cost was £10.77 per vasectomy, a 40% reduction compared to standard guidelines.
Conclusions:
- A single PVSA with targeted viability testing for PNMS is effective.
- This strategy improves compliance and significantly reduces costs.
- The novel approach is a cost-effective method for confirming vasectomy success.

