摘要
目的探讨氧利用率（Ｏ２ＵＣ）在急危重症中的作用。方法将３４例急危重症患者分为急诊创伤组（１６例），急诊复苏组（１８例）；将２６例心肺复苏、危重病人分为心肺复苏组（１３例），危重病人组（１３例）。所有患者抽动静脉血查血气并计算Ｏ２ＵＣ。结果急诊创伤组患者的Ｏ２ＵＣ为０．３０±０．０８，急诊复苏组患者的Ｏ２ＵＣ为０．６７±０．２７，心肺复苏组患者的Ｏ２ＵＣ为０．６０±０．１５，危重病人组患者的Ｏ２ＵＣ与临床病情变化密切相关。氧利用率在０．６７±０．２７范围持续时间过长将会有较高的病死率。结论氧利用率大于０．４０时，是组织缺氧的危险限，持续超出８～１２小时，并发症的发生率会明显增加。Ｏ２ＵＣ还可作为心肺复苏或危重病人动态的氧监测指标。
Objective To evaluate the role of oxygen utilization coefficient (O 2UC ) in predicting the severity of various diseases. Methods Gas analysis of arterial blood and central venous blood and calculation of O 2UC[O 2UC=(SaO 2-SvO 2)/SaO 2] were carried out in different groups ( group 1,16 cases of trauma, all survived ;group 2, 18 emergency cases undergoing cardiopulmonary resuscitation(CPR); group 3,13 cases undergoing CPR in intensive care unit, all died ; group 4,13 critically ill patients. Results O 2UC was 0.30±0.08,0 67±0.27 and 0.60±0.15 in the groups 1,2 and 3 respectively . The difference between group 1 and 2 was significant ( P <0.001). O 2UC persisted to increase, and maintained high for a long time (more than 8～12 hours), the prognosis of the patients was bad . The critical limitation of O 2UC was 0.40. In group 4 O 2UC was closely correlated with the severity of clinical condition. Conclusion O 2UC is a cconvienent , reliable and sensible predictor in the treatment of critically ill patients.
出处
《中华内科杂志》
CAS
CSCD
北大核心
1999年第4期231-234,共4页
Chinese Journal of Internal Medicine
