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Decade-Long Trends in the Frequency of 90-Day Rehospitalizations After Hospital Discharge for Acute Myocardial Infarction
There are limited data available describing relatively contemporary trends in 90-day rehospitalizations in patients who survive hospitalization after an acute myocardial infarction (AMI) in a community setting. We examined decade-long (2001 to 2011) trends in, and factors associated with, 90-day reh...
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Published in: | The American journal of cardiology 2016-03, Vol.117 (5), p.743-748 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | There are limited data available describing relatively contemporary trends in 90-day rehospitalizations in patients who survive hospitalization after an acute myocardial infarction (AMI) in a community setting. We examined decade-long (2001 to 2011) trends in, and factors associated with, 90-day rehospitalizations in patients discharged from 3 central Massachusetts (MA) hospitals after AMI. Residents of the Worcester, MA, metropolitan area discharged after AMI from 3 central MA hospitals on a biennial basis from 2001 to 2011 comprised the study population (n = 4,810). The average age of this population was 69 years, 42% were women, and 92% were white. From 2001 to 2011, 30.0% of patients were rehospitalized within 90 days after hospital discharge, and 38% of 90-day rehospitalizations occurred after the first month after hospital discharge. Crude 90-day rehospitalization rates decreased from 31.5% in 2001/2003 to 27.3% in 2009/2011. After adjusting for several sociodemographic characteristics, co-morbidities, and in-hospital factors, there was a reduced risk of being rehospitalized within 90 days after hospital discharge in 2009/2011 compared with 2001/2003 (risk ratio = 0.87, 95% CI = 0.77 to 0.98); this trend was slightly attenuated (risk ratio = 0.90, 95% CI = 0.79 to 1.02) after further adjustment for hospital treatment practices. Female sex, having several previously diagnosed co-morbidities, an increased hospital stay, and the in-hospital development of atrial fibrillation, cardiogenic shock, and heart failure were significantly associated with an increased risk of being rehospitalized. In conclusion, the likelihood of subsequent 90-day rehospitalizations remained frequent, and we did not observe a significant decrease in these rates during the years under study. |
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ISSN: | 0002-9149 1879-1913 |
DOI: | 10.1016/j.amjcard.2015.12.006 |