The use of retrievable electrodes for recording gastric myoelectric activity after spontaneous gastric dilatation volvulus in dogs.

The Cornell veterinarian Pub Date : 1992-10-01

A R Stampley, C F Burrows, G W Ellison

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Abstract

Gastric myoelectric activity was measured in 10 dogs with spontaneous gastric dilatation-volvulus (GDV). Myoelectric activity was recorded with temporary, retrievable wire electrodes placed on the serosal surface of the stomach after derotation and tube gastrostomy. Gastric myoelectric activity was recorded for 1 hour daily, beginning with the day of surgery (less than 24 hours), 24, 48, 72, 96, 120, 144, and 168 hours after surgery. Recordings were also obtained for 1 hour daily after feeding, beginning 24 hours after surgery. Bradygastria was the predominate dysrhythmia immediately after surgery and at hour 24. The mean slow wave frequency was more than normal at hours 48 to 168 due to an increase in tachygastria and arrhythmias. The slow wave frequency significantly decreased after feeding at hours 120 and 144. The overall mean percentage of dysrhythmias was significantly decreased after feeding at hour 72 only. The mean percentage of spike activity ranged from 37.7 +/- 12.5 to 75.7 +/- 6.2 throughout the 8-day study period. Thus, gastric myoelectric activity was disrupted in these dogs with spontaneous GDV and subsequent tube gastrostomy. Feeding did not greatly diminish these dysrhythmias.

本刊更多论文

利用可回收电极记录狗自发性胃扩张扭转后的胃肌电活动。

对10只自发性胃扩张扭转(GDV)犬进行了胃肌电活动测定。肌电活动记录用暂时的，可回收的金属丝电极放置在胃浆膜表面后，胃旋转和管胃造口。每天1小时记录胃肌电活动，从手术当天开始(少于24小时)，术后24、48、72、96、120、144和168小时。从术后24小时开始，每天喂食后1小时进行记录。术后和24小时时，胃弛缓是主要的心律失常。在48 ~ 168小时，由于心动过速和心律失常的增加，平均慢波频率高于正常。饲喂120和144 h后慢波频率显著降低。仅在喂食72小时后，心律失常的总体平均百分比显著降低。在8天的研究期间，峰值活动的平均百分比从37.7 +/- 12.5到75.7 +/- 6.2不等。因此，在自发性GDV和随后的管胃造口术中，胃肌电活动被破坏。喂食并没有大大减少这些心律失常。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The Cornell veterinarian

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