Urorectodynamics in patients with colonic inertia.

Abstract Sixteen female patients with colonic inertia and 12 control women underwent manometric evaluation of their bladder and rectal cavities. After subcutaneous injection of 0.035 mg./Kg. bethanechol, bladder intraluminal pressure increased by over 15 cm. water in 5 patients (31 per cent) and in none of the control group maximal pressure after injection was 11.5 ± 1.6 cm. H 2 O ( X ± SE) in patients and 8.5 ± 1 in controls (p 2 O in patients and only 11.9 ± 1.4 in controls (p