• Zhonghua Liu Xing Bing Xue Za Zhi · Apr 2012

    [Blood lactic acid level and APACHE II score on prognosis of critically ill elderly patients].

    • Bin Bao, Zhi-gang Li, and Xiao-lin Sun.
    • Department of Emergency, Tianjin the Forth Central Hospital, Tianjin 300140, China. baobin1101@sina.com
    • Zhonghua Liu Xing Bing Xue Za Zhi. 2012 Apr 1;33(4):428-30.

    ObjectiveTo analyze the relevance between blood lactic acid level and acute physiology and chronic health evaluation II (APACHE II) score in order to provide guideline for clinical treatment.MethodsRetrospective analyses on 537 critically ill elderly patients who were hospitalized in the ICU with their blood lactic acid level tested and APACHE II scores calculated.ResultsThe overall death rate was 35.75% (192/537) with the APACHE II score as (22.6±12.8), and blood lactic acid level as (6.84±2.01) mmol/L. The blood lactic acid level among deaths was obviously higher than in the control group, with significant differences (P<0.05). The level of blood lactic acid was positively related to APACHE II score (r=0.572, P<0.05) while the death rate was both positively related to APACHE II score (r=0.475, P<0.05) and the level of blood lactic acid (r=0.506, P<0.05).ConclusionThere seemed a positive correlation between blood lactic acid level and the APACHE II score. Both of them showed good relevance with the prognosis of the disease.

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