Evaluation of Residual Stomach Motility After Proximal Gastrectomy for Gastric Cancer by Electrogastrography |
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Authors: | Tomohiko Hayashi MD Shinichi Kinami PhD MD Sachio Fushida PhD MD Takashi Fujimura PhD MD Koichi Miwa PhD MD Katumi Inoue BS |
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Institution: | (1) Department of Gastroenterological Surgery, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan;(2) Department of Basic Science, School of Health Science, Kanazawa University, Kanazawa, Japan;(3) Department of Surgery, Kamiichi General Hospital, 51, Hohonji Kamiichi-machi Nakaniikawa-gun, Toyama Japan, 930-0391 |
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Abstract: | The relationship between the motility and the size of the residual stomach after proximal gastrectomy was evaluated using
electrogastrography (EGG). Based on fast Fourier transformation, recorded slow waves could be analyzed to obtain the following
parameters: dominant frequency (DF), percentage normal frequency (% 3 cycles per minute cpm]), and power ratio (PR). EGG
parameters, the length of the greater curvature of the residual stomach (LGC), were recorded in 18 gastrectomized patients.
Compared to 12 healthy controls, the gastrectomized patients had abdominal EGG parameters including lower %3cpm (43 ± 21%
vs 83 ± 7%; P < 0.05), DF (2.2 ± 0.4 vs 3.0 ± 0.2 cpm; P < 0.05), and PR (1.5 ± 0.8 vs 2.5± 0.8; P < 0.05). In relation to LGC and parameters, there was no difference between the patients whose LGC was > 20 cm and controls
in PR (2.3± 0.9 vs 2.5± 0.8; n.s.). In conclusion, the motility of the residual stomach would be equal to that of the nonresected
stomach as if the volume of the residual stomach was more than half. |
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Keywords: | electrogastrography gastric motility proximal gastrectomy gastric cancer |
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