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Endoscopic cinematographic observation and analysis of gastric motility a clinical trial

Endoscopic cinematographic observation and analysis of gastric motility a clinical trial

Tokyo Jikeikai Medical Journal 97(1): 147-155

Gastric motility has been known to be greatly influenced by various gastric lesions and surgical interventions. These gastric motility changes have been mainly studied by electromyography and other measures, but rarely studied by the endoscopic direct visual method. Gastric motility was investigated by means of a direct visual method using endoscopic adaptation of 8 mm cinematography. Seventy patients with benign gastric diseases underwent endoscopic cinematographic examinations. Peristaltic waves which were reported to originate from the upper part of the corpus by the electromyographic study, were confirmed by the direct visual study. Existence of so-called upper strain zone, in terms of anatomic muscle structure, was directly visualized and confirmed. The velocity of the peristaltic waves could be measured and expressed by the propagation time from the angle to the ring. The size of the waves were classified into 3 categories and expressed by the largest wave in a series. The velocity of the peristaltic waves, expressed as propagation time, showed no significant differences between control cases and cases with benign gastric diseases, such as gastric ulcers and duodenal ulcers. However, cases with high positioned gastric ulcers showed a greater peristaltic wave velocity and size suggesting hypermotility. On the other hand, in gastric ulcers on the stomach angles, the depth of the ulcers had some tendency to influence their peristaltic wave velocity and size; greater depth decreases velocity and size. Patients after selective proximal vagotomy showed no significant differences in their progagation time of the peristaltic waves, but slight decreases in the size of the peristaltic waves compared with the preoperative states were observed. These findings were not modified by the length of the postoperative period or with pyloroplasty. The statistical analysis of the endoscopic cinematographic findings of gastric motility bears some difficulties, but is thought to be sufficient enough to develop a new field for investigation.

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Accession: 005359138

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