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ABDO, Anselmo A. et al. Continuous venovenous hemodiafiltration in patients with multiple organ dysfunction syndrome in an intensive care unit. MEDICC rev. [online]. 2012, vol.14, n.3, pp.26-30. ISSN 1555-7960.

INTRODUCTION: Continuous venovenous hemodiafiltration, generally used in patients with acute renal failure, enables elimination of humoral mediators of systemic inflammatory response and sepsis from blood. This effect should improve treatment results in patients with multiple organ dysfunction, but evidence of improved survival is insufficient. OBJECTIVES: Describe the effect of continuous venovenous hemodiaflitration on patients with multiple organ dysfunction syndrome in terms of systemic and brain hemodynamics, oxygenation, metabolism and status on ICU separation. METHODS: An observational case series was done of 18 patients (11 men and 7 women) aged 24-78 years with multiple organ dysfunction syndrome treated with continuous venovenous hemodiafiltration in the Medical-Surgical Research Center's ICU in Havana. General, systemic and brain hemodynamic, oxygenation and metabolic variables were assessed immediately before and 12 hours after starting the procedure; vital status on separation from intensive care was recorded. For analysis, patients were grouped by whether cause of multiple organ dysfunction syndrome was septic or nonseptic. Variable means before and after treatment were compared using the Wilcoxon matched pairs test. Standardized mortality ratios were calculated for both groups, with survival efficacy defined by a ratio of <0.9. RESULTS: After 12 hours continuous venovenous hemodiafitration, the septic group showed clinical improvement, with statistically significant improvement in all variables except mean arterial pressure and brain hemodynamics. Survival to discharge from ICU was 64%, with a standardized mortality ratio of 0.66. In the nonseptic group, survival was 0% and ratio was 2.13; temperature was the only variable found to improve significantly. CONCLUSIONS: Continuous venovenous hemodiafltration improved clinical parameters and survival in patients with multiple organ dysfunction of septic origin. Further studies are needed with larger numbers of patients to corroborate these results.

Keywords : Continuous renal replacement therapy; hemodiafiltration; multiple organ failure; septic shock; acute liver failure; MODS; Cuba.

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