Age and Disease History Foretells 30-day Hospital Readmission Following Myocardial Infarction, Study Finds

An elevated risk of hospital readmission is linked to old age and a history of atrial fibrillation, heart failure, diabetes, chronic renal disease, stroke, and peripheral vascular disease, according to a study. Enhanced surveillance efforts are required, as well as specialized instructional and therapy techniques.

Age and Disease History Foretells 30-day Hospital Readmission Following Myocardial Infarction, Study Finds
Photo: Elderly Patient at the Hospital | InStyleHealth


The authors of this study looked at trends in the number of patients readmitted to the hospital within 30 days of an initial acute myocardial infarction, as well as their sociodemographic and clinical characteristics. They evaluated the medical records of 3,116 people (median age 67, 42% women) who were hospitalized for a validated first acute myocardial infarction at three large medical centers in central Massachusetts between 2003 and 2015.

After correcting for potentially confounding factors, the incidence of 30-day hospital readmission after an initial acute myocardial infarction increased marginally throughout the most recent research years.

In general, older persons and patients with a prior diagnosis of atrial fibrillation, heart failure, diabetes, chronic renal disease, stroke, or peripheral vascular disease had a higher chance of being readmitted to the hospital than the comparison groups.

Those patients who were hospitalized in the recent study years of 2011/2015, the following factors associated with an elevated risk of rehospitalization: a previous diagnosis of chronic kidney disease or CKD, peripheral vascular disease, a presence of three or more chronic conditions, and having developed atrial fibrillation or heart failure during the patient’s hospitalization for a first acute myocardial infarction.


Source: Am J Med 2021;134:1127-1134

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