Abstract
Motor activity of the colon transplant for esophageal reconstruction is a point of controversy. In this paper we present manometric studies carried out in 15 patients subjected to isoperistaltic colon interposition. Manometric studies were carried out with two polyvinyl water-filled catheters inserted through pressure transducers. Basal colonic activity and motor activity following several stimuli and "dry swallows" were registered. The type of waves after stimuli were classified as (1) synchronous, (2) sequential or progressive, and (3) segmental. Details of the basal colonic waves and colon contractions after stimuli are given: i.e., rate, duration, amplitude, interval from the stimulus, and percentage of motor activity. The data reported here indicate the good motor response of the isoperistaltic colon to intraluminal injection of water or 0. 1 N hydrochloric acid and to chachet swallowing. Only two free-symptoms patients did not have motor activity. One of them was submitted to manometric studies too soon after the operation. We conclude that the presence of sequential waves in the interposed segment likely can help to propel the contents of the colon into the stomach and to clear gastric juice if reflux from the stomach should occur.
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