Journal
THERAPEUTIC HYPOTHERMIA AND TEMPERATURE MANAGEMENT
Volume 9, Issue 1, Pages 70-75Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/ther.2017.0057
Keywords
targeted temperature management; therapeutic hypothermia; shivering; cardiac arrest; postcardiac arrest syndrome
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The occurrence of shivering during the induction period of targeted temperature management (TTM) remains a therapeutic obstacle, which delays the achievement of target temperature. The aim of this study was to identify risk factors leading to shivering during the induction period. We analyzed a prospective cohort of adult out-of-hospital cardiac arrest (OHCA) survivors treated with TTM from January 2015 to June 2017. Patients who developed shivering during the induction period were compared to those who did not. Multivariable analysis was performed to determine risk factors of shivering. Among 80 patients treated with TTM, shivering occurred in 22 patients (27.5%). In the shivering group, the time to achieve target temperature was significantly delayed (245 minutes vs. 151 minutes, p = 0.005). Multivariable analysis showed that being underweight (OR, 18.40; 95% CI, 1.89-179.19) or overweight (OR, 8.65; 95% CI, 1.60-46.80), age <65 years (OR, 5.54; 95% CI, 1.25-16.12), and duration of cardiac arrest <20 minutes (OR, 4.50; 95% CI, 1.25-16.12) were predictors for the occurrence of shivering. OHCA patients with abnormal body weight, age <65 years, and duration of cardiac arrest <20 minutes should be monitored thoroughly for early recognition of shivering.
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