Semen retrieval in men with spinal cord injury is improved by interrupting current delivery during electroejaculation

Nancy Brackett, Daniel N. Ead, Teodoro C. Aballa, Sean M. Ferrell, Charles M Lynne

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Purpose: Based on the findings of a previous study of pressure differentials in the external and internal urinary sphincters during electroejaculation we determined whether semen retrieval in men with spinal cord injury would be improved by interrupting current delivery during electroejaculation. Materials and Methods: We tested continuous versus interrupted current delivery in the same group of 12 men with spinal cord injury. Patients underwent a mean of 4 randomly assigned continuous or interrupted trials 4 to 8 weeks apart. Antegrade and retrograde semen parameters were analyzed per trial. Multiple trials of each method per patient were averaged and semen parameters by the continuous and interrupted methods were compared. Results: Interrupted delivery resulted in significantly greater mean antegrade volume versus continuous delivery (2 versus 0.9 cc). In this antegrade fraction mean total sperm count and mean total motile sperm was higher for interrupted (130 million and 35 million) versus continuous (79 million and 26 million, respectively) delivery. The mean retrograde total sperm count was 4-fold higher for continuous (120 million) versus interrupted (29 million) delivery. In the total ejaculate of the combined antegrade and retrograde fractions the mean total sperm count and mean total motile sperm were not significantly different for the 2 methods. Conclusions: Each method resulted in a similar mean total sperm count and total motile sperm in the total ejaculate but a higher proportion of sperm was found in the antegrade fraction using the interrupted method. We recommend interrupted current delivery as the technique of choice when electroejaculation is performed to obtain sperm for fertilization.

Original languageEnglish
Pages (from-to)201-203
Number of pages3
JournalJournal of Urology
Volume167
Issue number1
StatePublished - Jan 10 2002

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Semen
Spinal Cord Injuries
Sperm Count
Spermatozoa
Fertilization
Pressure

Keywords

  • Electric stimulation
  • Infertility
  • Male
  • Semen
  • Spinal cord injuries
  • Testis

ASJC Scopus subject areas

  • Urology

Cite this

Semen retrieval in men with spinal cord injury is improved by interrupting current delivery during electroejaculation. / Brackett, Nancy; Ead, Daniel N.; Aballa, Teodoro C.; Ferrell, Sean M.; Lynne, Charles M.

In: Journal of Urology, Vol. 167, No. 1, 10.01.2002, p. 201-203.

Research output: Contribution to journalArticle

Brackett, Nancy ; Ead, Daniel N. ; Aballa, Teodoro C. ; Ferrell, Sean M. ; Lynne, Charles M. / Semen retrieval in men with spinal cord injury is improved by interrupting current delivery during electroejaculation. In: Journal of Urology. 2002 ; Vol. 167, No. 1. pp. 201-203.
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