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J Urol. 1987 Jul;138(1):59-62.

Experience in vibratory and electro-ejaculation techniques in spinal cord injury patients: a preliminary report.


More than 90 per cent of complete spinal cord injury patients have major fertility problems, depending upon the site and type of injury. During the last 5 years 34 patients were treated by vibratory and/or electrostimulation at our center, and semen was produced in all but 5. In 8 patients ejaculation was attempted by vibratory stimulation alone and in 22 electrostimulation also was used. Vibratory stimulation is the easier and less cumbersome of the 2 methods. No major side effects were noted with either technique. Stimulation was performed by a rectal electrode incorporated in a silicone finger glove with a current of 0.1 msec. in duration, a frequency of 30 Hz. and an average of 60 volts. Vibratory stimulation was applied to the frenulum and/or glans penis with a specially constructed vibrator at a frequency of 80 Hz. and a peak-to-peak oscillation of 1.6 to 2.4 mm. Semen obtained during the first 6 months after injury was not of a quality consistent with successful fertilization owing to poor motility. However, semen quality and motility were better in patients who had been injured for more than 6 months. Repeated electro-ejaculation did not improve the quality of semen. The effects of bladder outlet surgery and autonomic blockers were noted in 5 patients.

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