期刊
JOURNAL OF CRITICAL CARE
卷 42, 期 -, 页码 69-77出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.jcrc.2017.05.038
关键词
Magnesium; Intensive care; Mortality; Patient-centered outcome; Biochemical outcome; Magnesium administration; Magnesium therapy; Arrhythmia; Electrolyte disturbance; Critical illness
资金
- ICU Research Office Team
Purpose: To investigate magnesium as prophylaxis or treatment of postoperative arrhythmias in cardiac surgery (CS) patients. To assess impact on biochemical and patient-centered outcomes. Materials and methods: We searched MEDLINE, CENTRAL and EMBASE electronic databases from 1975 to October 2015 using terms related to magnesium and CS. English-Language RCTs were included involving adults undergoing CS with parenterally administered magnesium to treat or prevent arrhythmias, compared to control or standard antiarrythmics. We extracted incidence of postoperative arrhythmias, termination following magnesium administration and secondary outcomes (including mortality, length of stay, hemodynamic parameters, biochemistry). Results: Thirty-five studies were included, with significant methodological heterogeneity. Atrial fibrillation (AF) was most commonly reported, followed by ventricular, supraventricular and overall arrhythmia frequency. Magnesium appeared to reduce AF (RR 0.69, 95% confidence interval (95% CI) 0.56-0.86, p = 0.002), particularly post-operatively (RR 0.51, 95% CI 0.34-0.77, p = 0.003) for longer than 24 h. Maximal benefit was seen with bolus doses up to 60 mmol. Magnesium appeared to reduce ventricular arrhythmias (RR = 0.46, 95% CI 0.24-0.89, p = 0.004), with a trend to reduced overall arrhythmias (RR = 0.80, 95% CI 0.57-1.12, p = 0.191). We found no mortality effect or significant increase in adverse events. Conclusions: Magnesium administration post-CS appears to reduce AF without significant adverse events. There is limited evidence to support magnesium administration for prevention of other arrhythmias. (c) 2017 Elsevier Inc. All rights reserved.
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