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Fri, 01.11.24

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February 2021
Nir Hod MD MHA, Daniel Levin MD, Sophie Lantsberg MD, Gideon Sahar MD, Karen Nalbandyan MD, Aharon Yehonatan Cohen MD, and Aryeh Shalev MD
December 2016
Yuval Konstantino MD, Dana Zelnik Yovel BSc, Michael D. Friger PhD, Gideon Sahar MD, Boris Knyazer MD and Guy Amit MD MPH

Background: Atrial fibrillation (AF) is a common complication of coronary artery bypass graft (CABG) surgery, occurring in 20%–40% of patients, mostly during the first week after surgery. It is associated with increased morbidity and mortality, but data are limited. 

Objectives: To assess the correlation between new-onset in-hospital AF following CABG and long-term AF, cerebrovascular accident (CVA), or death.

Methods: We conducted an analysis of 161 consecutive patients who underwent isolated CABG surgery in a tertiary center during the period 2002–2003. 

Results: Patients’ mean age was 72 years, and the majority were males (77%). Approximately half of the patients experienced prior myocardial infarction, and 14% had left ventricular ejection fraction < 40%. Postoperative AF (POAF) occurred in 27% of the patients. Patients were older and had larger left atrium diameter. POAF was strongly correlated with late AF (OR 4.34, 95%CI 1.44–13.1, P = 0.01) during a mean follow-up of 8.5 years. It was also correlated with long-term stroke but was not associated with long-term mortality. 

Conclusions: POAF is a common complication of CABG surgery, which is correlated with late AF and stroke. Patients with POAF should be closely monitored to facilitate early administration of anticoagulant therapy in a high risk population upon recurrence of AF. 

 

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