Does gastric tonometry work? No

被引:28
作者
Benjamin, E
Oropello, JM
机构
[1] Surgical Intensive Care Unit, Mount Sinai Medical Center, Box 1264, New York, NY 10029
关键词
D O I
10.1016/S0749-0704(05)70264-5
中图分类号
R4 [临床医学];
学科分类号
1002 ; 100602 ;
摘要
Gastrointestinal tonometry is supposed to diagnose gut mucosal hypoxia using gastric luminal PCO2 and arterial bicarbonatemia, which are substituted in a modified Henderson-Hasselbach equation. This article reviews some of the problems inherent to the multiple assumptions underlying this technique. Tonometry is influenced by several local factors and by systemic acid-base imbalances that are unrelated to oxygenation. Tonometry is a rather crude and cumbersome method of gut capnometry, a technology that may provide valuable information regarding visceral perfusion, but not necessarily oxygenation.
引用
收藏
页码:587 / +
页数:1
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