Electrical sphincter stimulation in the treatment of detrusor hyperreflexia of paraplegics

Strong anal stimulation at the onset of the vesical pressure increase during an uninhibited bladder contraction prevented further bladder pressure increase and urine loss in 11 out of 15 paraplegics; 5 Hz, 10-Hz and 20—Hz stimuli were equally effective. This effect is probably a spinal reflex. In the acute experiments, stimulation of the peroneal or anterior tibial nerve was without effect on bladder pressure.