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JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
Volume 46, Issue 3, Pages 432-437Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacc.2005.04.039
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OBJECTIVES The study examined the effect of isovolumic high-volume hemofiltration (HF) alone or combined with mild hypothermia (HT) on survival after out-of-hospital cardiac arrest (OHCA) with initial ventricular fibrillation or asystole. BACKGROUND Global inflammation in response to whole-body ischemia-reperfusion is common after OHCA and may worsen the overall prognosis. METHODS Sixty-one patients admitted between May 2000 and March 2002 in the intensive care units of two hospitals in France were randomized to one of three groups: control, HF (200 mL/kg/h over 8 h) or HF+HT (32 degrees C for 24 h) induced by cooling the HF substitution fluid. Standard supportive care was provided in all three groups. The primary end point was survival with a follow-up time of six months. The effect of HF on death by intractable shock was the secondary end point. RESULTS The six-month survival curves of the three groups were significantly different, with better survival in the HF group (p = 0.026) and in the HF+HT group (p = 0.018). After adjustment on baseline characteristics of cardiac arrest, HF (with or without HT) was associated with improved survival (logistic regression odds ratio, 4.4; 95% confidence interval [Cl], 1.1 to 16.6). Compared to control group, the relative risk of death by intractable shock was 0.29 (95% Cl, 0.09 to 0.91) in the HF+HT group and 0.21 (95% Cl, 0.05 to 0.85) in the HF group. CONCLUSIONS The HF may improve the overall prognosis after resuscitation from OHCA. Combination of HF with mild HT is feasible and should be evaluated in larger trials.
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