After external urethral sphincterotomy 7 patients were found to have residual urine in excess of 80 ml. By measurement of the urethral pressure and analysis of the cystometrogram it was found that these patients fail to sustain bladder contraction and, thereby, fail to empty the bladder completely.
No takes yet. Share an insight, caveat, or question.
Nanninga et al. (1977) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: