Employing knowledge translation interventions to increase the use of therapeutic hypothermia post arrest: the SPARC Network Trial
© Morrison et al. 2011
Published: 1 March 2011
Current guidelines recommend early institution of therapeutic hypothermia (TH) in survivors of out-of-hospital cardiac arrest (OHCA). However, recent surveys show that TH is delivered inconsistently, incompletely, and with undue delay. Targeted knowledge translation (KT) strategies may increase the proportion of OHCA patients receiving TH
We conducted a stepped-wedge cluster randomized trial to evaluate the effectiveness of a multi-faceted KT strategy for increasing TH use in a network of 37 hospitals. After a baseline period of 1 year, four wedges of six hospitals were randomized to receive 1 year of passive KT followed by 4 months of active KT. Passive KT included a generic protocol and order set; active KT included network events, performance feedback and ongoing nurse educator support. The primary outcome was the rate of successful TH, defined as a temperature of 32 to 34°C within 6 hours of emergency department (ED) arrival.
A multifaceted KT intervention markedly improved rates of TH in a large network of hospitals. Simple passive KT strategies were highly effective in increasing TH rates, whereas more active KT improved the use of TH in the ED.
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