Early goal-directed therapy for severe sepsis and septic shock: A living systematic review


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Abstract

Studies and meta-analyses conflict regarding the use of early goal-directed therapy (EGDT) for septic shock. We sought to clarify the conflict by performing a living systematic review and meta-regression.Methods:We performed a meta-analysis and explored heterogeneity with meta-regression. We conformed with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses checklist and qualified strength of evidence with a Grading of Recommendations Assessment, Development and Evaluation profile.Results:Overall, EGDT did not significantly reduce mortality compared with usual care (relative risk, 0.85; 95% confidence interval, 0.67-1.08); however, heterogeneity was substantial (I2 = 64%; 95% confidence interval, 12%-85%). Illness severity did not correlate with mortality reduction; however, there were significant correlations with control rate mortality and the strategy employed by the control group. Benefit was confined to trials with a control mortality greater than 35%. Compared with monitoring of lactate clearance and central venous pressure, EGDT mortality was higher.Conclusion:The benefit of EGDT is evident in populations with high mortality, in line with reported global mortality rates. In settings with low mortality the recent trials challenge the need for 6-hour goals; however, most patients in these trials met 3-hour resuscitation goals as defined by the Surviving Sepsis Campaign. In settings with higher mortality, EGDT or normalization of lactate/central venous pressure may be viable therapeutic options.

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