• Qi-chuan Zhang, Xi-bin Fang, Zhi-xiong Cai, Zhi-ye Li, Wei-hong Chen, Ji-ping Chen, and Su-wu Wu.
• Department of Intensive Care Unit, Shantou Central Hospital, Shantou 515031, Guangdong, China. 772037746@qq.com
• Zhonghua Wei Zhong Bing Ji Jiu Yi Xue. 2013 Jan 1;25(1):45-7.

ObjectiveTo observe the therapeutic effect of early continuous blood purification (CBP) on lactic acidosis patients.MethodsUsing prospective randomized study method, 41 patients with lactic acidosis in intensive care unit (ICU) from January 2010 to April 2012 were randomly divided into CBP group (n=21) and control group (n=20). Among them, blood gas analysis, lactic acid, blood biochemistry were prospectively monitored at the time before treatment, 12, 24 and 72 hours after treatment. They were also evaluated with acute physiology and chronic health evaluation II (APACHEII) score, and length of stay in ICU and mortality in 28 days were recorded.ResultsLactic acid level and APACHEII score were gradually decreased after treatment in both groups. Compared with control group, lactic acid at 12, 24 and 72 hours in CBP group was obviously lowered (12 hours: 8.23±3.94 mmol/L vs. 12.47±4.62 mmol/L, 24 hours: 4.46±1.57 mmol/L vs. 10.54±3.48 mmol/L, 72 hours: 2.69±1.03 mmol/L vs. 5.74±1.56 mmol/L, all P<0.01), while the APACHEII score at 12, 24 and 72 hours in CBP group was also significantly lowered (12 hours: 18.23±5.85 vs. 21.64±5.38, 24 hours: 16.49±4.62 vs. 20.61±5.71, 72 hours: 11.54±3.67 vs. 16.02±4.34, all P<0.05). Compared with control group, length of stay in ICU was also significantly shorter in CBP group (6.58±3.45 days vs. 11.65±4.94 days, P<0.05), and 28-day mortality was significantly lower in CBP group (23.8% vs. 45.0%, P<0.05).ConclusionEarly correction of lactic acidosis with CBP could reduce the mortality of lactic acidosis.

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