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Left Ventricular Ejection Fraction Role in Determining Return to Work Status After Myocardial Infarction

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Ischemic heart disease is the most prevalent cases among in-patient and out-patient compared to other cardiovascular diseases in Indonesia, where the case fatality rate is also the highest, at 16.6% and 14.1% in 2002 and 2003. Data showed that myocardial infarction frequently occurs in productive ages and there is no reference on any factor associated with return to work status after myocardial infarction. This cross-sectional study was conducted at National Cardiovascular Center Harapan Kita. 130 post myocardial infarction outpatients who are previously employed, were enrolled in this study by consecutive sampling method. After the subject signed an informed consent letter, required data were obtained from general and occupational data questionnaires, DASS 42, Job Satisfaction Survey, and left ventricular ejection fraction score in medical records. The ejection fraction (EF) were categorized into three groups (normal >50%, moderate 40–50%, and low <40%). The mean time to return to work after myocardial infarction is 14 days. Based on the Kruskal-Wallis test there is a relationship between the return to work status with the left ventricular ejection fraction score, p = 0, 001, with mean rank of time to return to work are 57.89 for normal EF, 64.29 for moderate EF and 88.15 for low EF. Thus left ventricular ejection fraction assessment is important in the determination of the return to work status. Left ventricular ejection fraction assessment is important in the determination of the return to work status to prevent relapse and fatality.
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Keywords: Ejection Fraction; Myocardial Infarction; Return to Work

Document Type: Research Article

Affiliations: 1: Occupational Medicine Division, Department of Community Medicine, Universitas Indonesia, Indonesia 2: Department of Cardiology and Vascular Medicine, Universitas Indonesia, Indonesia

Publication date: September 1, 2018

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