Abstract
The effect of secoverine on colonic smooth muscle was measured in pationts with diverticular disease and in healthy subjects. The frequency of slow wave activity was determined using the fast Fourier transform (FFT) and peak identification analysis (SWSA). The mean slow wave frequency was similar (6 cycles/minute) in healthy subjects using both analytic methods. The slow wave frequency in patients with diverticular disease was similar to that in healthy subjects. The peak frequency measured with SWSA was uniformly higher than that measured with FFT. Secoverine, a muscarinic antagonist, did not affect the slow wave frequency. Eating a 1000-kcal meal initiates an increase in colonic spike activity (22±2 spike potential/30 min) (P<0.001) in healthy subjects during the immediate postprandial period. The gastrocolonic response in patients with diverticular disease was prolonged for 60 min. Secoverine inhibited the gastrocolonic response in patients with diverticular disease. These studies suggest (1) patients with diverticular disease have a similar slow wave frequency as healthy subjects, (2) the gastrocolonic response is prolonged in patients with diverticular disease, and (3) secoverine inhibits the colonic response.
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Suchowiecky, M., Clarke, D.D., Bhasker, M. et al. Effect of secoverine on colonic myoelectric activity in diverticular disease of the colon. Digest Dis Sci 32, 833–840 (1987). https://doi.org/10.1007/BF01296705
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DOI: https://doi.org/10.1007/BF01296705