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M11. Magnesium Sulfate as Atrial Fibrillation Prophylaxis post Coronary Artery Bypass Graft Surgery: A Meta-analysis


 
 
 Arrhythmia, especially atrial fibrillation (AF), is a common complication post coronary artery bypass graft (CABG) surgery and a major source of morbidity and mortality. This meta-analysis aims to evaluate the use of magnesium sulfate (MgSO4) as AF prophylaxis post CABG surgery.
 
 
 
 A total of 10 studies enrolled 1,371 patients (1,114 males and 257 females) were retrieved from Pubmed, Cochrane, and Medline until July 2021 to identify studies about the association between MgSO4 and AF occurrence post CABG surgery. All suitable full text must accomplish Jadad score ≥2 for assessing study quality. Data were analyzed using Review Manager 5.3. Mantel-Haenszel formula was used for dichotomous variables to calculate the odds ratio (OR). Our results showed MgSO4 group (n = 711) compared to the placebo group (n = 660) were at decreased odds of having AF post CABG surgery (OR 0.59; 95%CI 0.39 to 0.91; p = 0.03) with AF occurrence in 134 patients and 188 patients, respectively. Data were derived from the random-effects model due to the heterogenous result between studies (Tau2=0.22, Chi2=18.99, df = 9 [p = 0.03], I2 = 53%).
 
 
 
 This meta-analysis showed that administration of MgSO4 decreased the occurrence of AF occurrence post CABG surgery. Further research is needed to determine the optimal MgSO4 dose and time of administration.
