ISOMETRIC DETRUSOR PRESSURE IN THE ENURETIC PATIENT

Abstract

A total of 37 subjects, including 6 normal boys and 31 patients with enuresis (20 males and 11 females) underwent studies of isometric detrusor pressures by voluntary and forced flow-stop techniques.
There were no statistical differences in maximum isometric detrusor pressures and speed of detrusor contractions between normal boys and male enuretics. There was a significant difference (p<0.05) in the parameter of the isometric detrusor pressure rise above the maximum detrusor pressure between normal boys and male enuretics with unstable bladders. There were ly significant differences (p<0.05) in maximum isometric detrusor pressures obtained by these two techniques between male enuretics with stable bladder and those with unstable bladders. There also was a statistical difference in the parameter of the isometric detrusor pressure rise above the maximum detrusor pressure between these patients.
Maximum isometric pressures obtained with two flow-stop techniques in male enuretics were significantly higher than those in female enuretics (p<0.01, 0.05). Maximum isometric detrusor pressures obtained by the two flow-stop techniques were significantly higher than maximum detrusor pressures in normal boys and patients with enuresis. There were no statistical differences in the speed of detrusor contraction between normal boys and male and female patients with enuresis.
There were relatively good correlations between maximum isometric pressure and speed of detrusor contraction obtained by the two flow-stop techniques (r=0.629, 0.672).