Basdanis G, Zisiadis A, Michalopoulos A, Papadopoulos V, Apostolidis S, Katsohis C
1st Propedeutic Surgical Clinic, Aristotelian University of Thessaloniki, AHEPA Hospital, Greece.
Eur J Surg. 1999 Dec;165(12):1182-6. doi: 10.1080/110241599750007739.
To design a device for myoelectric assessment of intestinal ischaemia and compare it with every day surgical experience and Doppler signals recorded on the bowel wall.
Experimental study.
Thessaloniki university hospital, Greece.
12 adult mongrel dogs.
On the first day the large intestine was devascularised for a length of 20 cm, 5 cm away from the ileocaecal valve, and the threshold of the electric stimulus (mA) required to produce a contraction of the normal large bowel was recorded. On the second day, measurements were made on the ischaemic segment of the large bowel at 0.5 cm intervals. Bowel resection and anastomoses were done at the stimulus level of 40 mA.
The mean (SD) stimulus threshold of the normal large intestine was 12.2 mA. The necrotic intestine demanded current stimulus of 100 mA or failed to contract. On the eighth postoperative day the animals were killed to assess anastomotic healing. Of the 12 anastomoses made at the 40 mA stimulus point, only one ruptured. The 40 mA limit of the stimulus level seems to be of value in assessments of bowel viability in vivo.
The use of a personal computer as a read out device makes myoelectric analysis easier and more reliable in the assessment of intestinal viability. This method may have a clinical application.
设计一种用于肠道缺血肌电评估的装置，并将其与日常手术经验及肠壁记录的多普勒信号进行比较。
实验研究。
希腊塞萨洛尼基大学医院。
12只成年杂种犬。
第一天，在距回盲瓣5厘米处使20厘米长的大肠血管离断，并记录引起正常大肠收缩所需的电刺激阈值（毫安）。第二天，在大肠缺血段每隔0.5厘米进行测量。在40毫安的刺激水平下进行肠切除及吻合术。
正常大肠的平均（标准差）刺激阈值为12.2毫安。坏死肠段需要100毫安的电流刺激或无法收缩。术后第八天处死动物以评估吻合口愈合情况。在40毫安刺激点进行的12次吻合术中，只有1次破裂。40毫安的刺激水平限值在评估体内肠活力方面似乎有价值。
使用个人电脑作为读出装置使肌电分析在评估肠活力时更简便、更可靠。该方法可能有临床应用价值。
