EFFECTS OF PROPRANOLOL ON COLONIC PRESSURE IN PATIENTS WITH IRRITABLE BOWEL SYNDROME
EFFECTS OF PROPRANOLOL ON COLONIC PRESSURE IN PATIENTS WITH IRRITABLE BOWEL SYNDROME
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DOI:
10.3109/00365528109181022
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发表时间:
1981-01-01
影响因子:
1.9
通讯作者:
DOTEVALL, G
中科院分区:
文献类型:
--
作者:
ABRAHAMSSON, H;DOTEVALL, G
The effect of propranolol on colonic motility was studied in 10 patients with irritable bowel syndrome. Colonic motility was recorded by pressure measurement 15-18 cm from the anus and total contractile activity (kPa [kilopascal] .times. min) simultaneously integrated. After rest, motility was recorded for 30 min after injection of saline (control period) and after injection of 5 mg propranolol i.v. Administration of propranolol was followed by an increase in colonic motility in 9 of the 10 patients. In 1 patient no change was observed. During the control period, total contractile activity was 7.7 .+-. 1.8 (standard error of the mean) kPa .times. min (58 .+-. 14 mm Hg .times. min), increasing after propranolol to 14.2 .+-. 2.3 kPa .times. min (107 .+-. 17 mm Hg .times. min). The difference was significant (P < 0.01). After propranolol, the colonic pressure waves regularly appeared for longer periods of time and had higher amplitudes than during control activity. Prolonged elevation of basal pressure with superimposed pressure waves was observed in 2 patients. Adrenergic .beta.-blocking agents thus enhance colonic motility in man. The results may explain abdominal symptoms, such as pain and change in bowel habits appearing in patients treated with .beta.-blocking drugs.