Motor and electrogastrographic activity of the gastric tube formed after esophagectomy

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概要

• 論文の詳細を見る

• In order to characterize the motor activity of a surgically constructed gastric tube, several hours of ambulatory intraluminal pressure recordings were performed in 6 patients following esophagectomy and gastric tube construction. Whole pressure waves were spectrally analyzed by Fast Fourier Transform (FFT). Simultaneous abdominal and thoracic electrogastrograms (EGGs) were recorded for about 20min both before and after meals during ambulatory pressure recording. The pressure waves and EGGs for each 20min recording were analyzed by the maximal entropy method (MEM). While the motility index of the pressure waves decreased after a meal, the 3cpm component of these waves (2.4-3.7cpm) increased significantly (n=6, P<0.05). Both bradygastria (0-2.4cpm) and the duodeno-respiratory component (10-15cpm) decreased, while the tachygastria component (3.7-10cpm) increased, although these differences were not significant. The peak power of the gastric tube abdominal EGGs was significantly larger than that of control abdominal or thoracic EGGs in each of the 1cpm (0-2.4cpm), 6cpm (5.0-7.4) and 8cpm components (7.5-9.9). The thoracic EGG consisted mainly of the 3cpm component, while the spectral amplitudes of the 1, 6, 8 and 10cpm components were below 6% of the 3cpm component. The peak spectral frequency both of the intraluminal pressure waves by FFT and of the thoracic EGGs by MEM occurred within the 3cpm component. A cross correlation of about 0.2-0.3 occurred between the thoracic EGGs and the intraluminal pressure waves. Thus the gastric tube seems to preserve most of the original gastric motor characteristics and to contribute as a substitute for the original esophagus and stomach.

• 日本平滑筋学会の論文

著者

• HATAKEYAMA Katsuyoshi

  Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental

• Hatakeyama K

  Division Of Digestive And General Surgery Niigata University Graduate School Of Medical And Dental S

• Hatakeyama Katsuyoshi

  新潟大学 医歯学総合研究科消化器一般外科

• Homma Shinji

  Department Of Organ Physiology Niigata University Graduate School Of Medical And Dental Sciences

• Homma S

  Division Of Organ Physiology Department Of Regenerative And Transplant Medicine Graduate School Of M

• Hatakeyama Katsuyoshi

  Division Of Digestive And General Surgery Graduate School Of Medical And Dental Sciences Niigata Uni

• TERASHIMA Tetsurou

  Division of General and Digestive Surgery

• HOMMA Shinji

  Organ Physiology, Department of Regenerative and Transplant Medicine, Institute of Medicine and Dent

• WATANABE Naozumi

  Division of General and Digestive Surgery

• MARUTA Tomoaki

  Division of General and Digestive Surgery

• HASEGAWA Jun

  Division of General and Digestive Surgery

• Hatakeyama Katsuyoshi

  Division Of Digestive And General Surgery Department Of Regenerative And Transplant Medicine Graduat

• Hatakeyama Ktsuyoshi

  Division Of Digestive And General Surgery Department Of Surgery Niigata University Graduate School O

• Hatakeyama Katsuyoshi

  Division Of Digestive And General Surgery Department Of Regeneration And Transplant Medicine Niigata

• Hayashi Jun-ichi

  Department Of Surgery Japanese Red Cross Nagaoka Hospital

• Hasegawa Jun

  Division Of Electrical Electronic And Information Engineering Graduate School Of Engineering Osaka University

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