Predictors of hospital readmission two years after coronary artery bypass grafting

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Abstract

Objective - To determine the clinical factors before, and in association with, coronary artery bypass grafting (CABG) that increase the risk of readmission to hospital in the first two years after surgery. Patients - All patients in western Sweden who had CABG without simultaneous valve surgery between 1 June 1988 and 1 June 1991. Methods - All patients who were readmitted to hospital were evaluated by postal inquiry and hospital records. Results -A total of 2121 patients were operated on, of whom 2037 were discharged from hospital. Information regarding readmission was missing in four patients, leaving 2033 patients; 44% were readmitted to hospital. The most common reasons for readmission were angina pectoris and congestive heart failure. There were 12 independent significant predictors for readmission: clinical history (a previous history of either congestive heart failure or myocardial infarction, or CABG); acute operation; postoperative complications (time in intensive care unit greater than two days, neurological complications); clinical findings four to seven days after the operation (arrhythmia, systolic murmur equivalent to mitral regurgitation); medication four to seven days after the operation (antidiabetics, diuretics for heart failure, other antiarrhythmics (other than β blockers, calcium antagonists, and digitalis), and lack of treatment with aspirin). Conclusion - 44% of patients were readmitted to hospital two years after CABG. The most common reasons for readmission were angina pectoris and congestive heart failure. Four clinical markers predicted readmission: clinical history; acute operation status; postoperative complications; and clinical findings and medication four to seven days after operation.

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APA

Herlitz, J., Albertsson, P., Brandrup-Wognsen, G., Emanuelsson, H., Haglid, M., Hartford, M., … Sandén, W. (1997). Predictors of hospital readmission two years after coronary artery bypass grafting. Heart, 77(5), 437–442. https://doi.org/10.1136/hrt.77.5.437

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