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Developing a New Definition and Assessing New Clinical Criteria for Septic Shock: For the Third International Consensus Definitions for Sepsis and Septic Shock (Sepsis-3)

Septic shock currently refers to a state of acute circulatory failure associated with infection. Emerging biological insights and reported variation in epidemiology challenge the validity of this definition. To develop a new definition and clinical criteria for identifying septic shock in adults. The Society of Critical Care Medicine and the European Society of Intensive Care Medicine convened a task force (19 participants) to revise current sepsis/septic shock definitions. Three sets of studies were conducted: (1) a systematic review and meta-analysis of observational studies in adults published between January 1, 1992, and December 25, 2015, to determine clinical criteria currently reported to identify septic shock and inform the Delphi process; (2) a Delphi study among the task force comprising 3 surveys and discussions of results from the systematic review, surveys, and cohort studies to achieve consensus on a new septic shock definition and clinical criteria; and (3) cohort studies to test variables identified by the Delphi process using Surviving Sepsis Campaign (SSC) (2005-2010; n?=?28,150), University of Pittsburgh Medical Center (UPMC) (2010-2012; n?=?1,309,025), and Kaiser Permanente Northern California (KPNC) (2009-2013; n?=?1,847,165) electronic health record (EHR) data sets. Evidence for and agreement on septic shock definitions and criteria. The systematic review identified 44 studies reporting septic shock outcomes (total of 166,479 patients) from a total of 92 sepsis epidemiology studies reporting different cutoffs and combinations for blood pressure (BP), fluid resuscitation, vasopressors, serum lactate level, and base deficit to identify septic shock. The septic shock-associated crude mortality was 46.5% (95% CI, 42.7%-50.3%), with significant between-study statistical heterogeneity (I2?=?99.5%; ?2?=?182.5; P?

Authors: Shankar-Hari M; Phillips GS; Levy ML; Seymour CW; Liu VX; Deutschman CS; Angus DC; Rubenfeld GD; Singer M; Sepsis Definitions Task Force

JAMA. 2016 Feb 23;315(8):775-87.

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