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Deprecated: Implicit conversion from float 243.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Crit+Care 2015 ; 19 (1): ä Nephropedia Template TP
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Intravenous fish oil lipid emulsions in critically ill patients: an updated systematic review and meta-analysis #MMPMID25879776
Manzanares W; Langlois PL; Dhaliwal R; Lemieux M; Heyland DK
Crit Care 2015[]; 19 (1): ä PMID25879776show ga
Introduction: Intravenous fish oil (FO) lipid emulsions (LEs) are rich in ?-3 polyunsaturated fatty acids, which exhibit anti-inflammatory and immunomodulatory effects. We previously demonstrated that FO-containing LEs may be able to decrease mortality and ventilation days in patients who are critically ill. Since 2014, several additional randomized controlled trials (RCTs) of FO-containing LEs have been published. Therefore, the purpose of this systematic review was to update our previous systematic review with the aim of elucidating the efficacy of FO-containing LEs on clinical outcomes of patients who are critically ill. Methods: We searched electronic databases from 1980 to 2014. We included four new RCTs conducted in critically ill adult patients in which researchers evaluated FO-containing LEs in parenterally or enterally fed patients. Results: A total of 10 RCTs (n =?733) met inclusion criteria. The mean methodological score was 8 (range, 3 to 12). No effect on overall mortality was found. When we aggregated the results of five RCTs in which infections were reported, we found that FO-containing LEs significantly reduced infections (risk ratio (RR) =?0.64; 95% confidence interval (CI), 0.44 to 0.92; P =?0.02; heterogeneity I2 =?0%). Subgroup analysis demonstrated that predominantly enteral nutrition?based trials showed a tendency toward a reduction in mortality (RR =?0.69; 95% CI, 0.40 to 1.18; P =0.18; heterogeneity I2 =35%). High-quality trials showed a significant reduction in hospital length of stay (LOS) (weighted mean difference = ?7.42; 95% CI, ?11.89 to ?2.94; P =?0.001), whereas low-quality trials had no effect (P =?0.45). The results of the test for subgroup differences in hospital LOS was significant (P =?0.001). Conclusion: FO-containing LEs may be associated with a reduction in infections and also could be associated with a reduction in duration of ventilation and hospital LOS. Further large-scale RCTs are warranted and should be aimed at consolidating potential positive treatment effects.