5-microtransducer catheter in evaluation of neurogenic bladder function.

Recent use of the multiple microtransducer catheter in the evaluation of neurogenic bladder due to spinal-cord injuries leads us to believe that the use of the inferior edge of the symphysis pubis as the zero point for resting bladder pressure is more accurate than its superior edge, changes in resting bladder pressure at various volumes are influenced more by body position than by intravesical position of the sensor, back-to-back microtransducers indicate significant pressure difference at the external sphincter zone, and detrusor bladder neck dyssynergia during autonomic dysreflexia in patients with spinal cord injury is more likely of skeletal than of smooth muscle origin.

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