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Ohl, D.A. et al.

Penile vibratory stimulation in spinal cord injured men: optimized vibration parameters and prognostic factors.

OBJECTIVE: To study the efficacy of penile vibratory stimulation (PVS) with optimized vibration parameters in spinal cord injured (SCI) men and to examine prognostic factors for success. DESIGN: Case series. SETTING: University hospital outpatient clinic. PATIENTS: Thirty-four consecutive SCI men seeking fertility treatment. INTERVENTION: PVS with optimized vibration parameters to induce reflex ejaculation. MAIN OUTCOME MEASURES: Ejaculatory response; semen analysis. RESULTS: Antegrade ejaculation was seen in 65% of patients. High rates were seen in lesions above T10 (81%) and in presence of hip flexion and bulbocavernosus reflexes (77%). Of men with lesions above T10, those with a penile prosthesis had lower ejaculation rates (40% vs 90%). Average total sperm counts were 968 million, with 26% motility. CONCLUSIONS: High rates of ejaculation are seen with optimized vibration parameters, especially in men with lesions above T10 and intact lower spinal reflexes. A penile prosthesis may impair success with PVS.[1]

References

Penile vibratory stimulation in spinal cord injured men: optimized vibration parameters and prognostic factors. Ohl, D.A., Menge, A.C., Sønksen, J. Archives of physical medicine and rehabilitation. (1996) [Pubmed]

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