Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study

Background Acute infections are known cardiovascular disease (CVD) triggers, but little is known regarding how CVD risk varies following inpatient versus outpatient infections. We hypothesized that in‐ and outpatient infections are associated with CVD risk and that the association is stronger for in...

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Main Authors: Logan T. Cowan, Pamela L. Lutsey, James S. Pankow, Kunihiro Matsushita, Junichi Ishigami, Kamakshi Lakshminarayan
Format: Article
Language:English
Published: Wiley 2018-11-01
Series:Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
Subjects:
Online Access:https://www.ahajournals.org/doi/10.1161/JAHA.118.009683
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author Logan T. Cowan
Pamela L. Lutsey
James S. Pankow
Kunihiro Matsushita
Junichi Ishigami
Kamakshi Lakshminarayan
author_facet Logan T. Cowan
Pamela L. Lutsey
James S. Pankow
Kunihiro Matsushita
Junichi Ishigami
Kamakshi Lakshminarayan
author_sort Logan T. Cowan
collection DOAJ
description Background Acute infections are known cardiovascular disease (CVD) triggers, but little is known regarding how CVD risk varies following inpatient versus outpatient infections. We hypothesized that in‐ and outpatient infections are associated with CVD risk and that the association is stronger for inpatient infections. Methods and Results Coronary heart disease (CHD) and ischemic stroke cases were identified and adjudicated in the ARIC (Atherosclerosis Risk in Communities Study). Hospital discharge diagnosis codes and Medicare claims data were used to identify infections diagnosed in in‐ and outpatient settings. A case‐crossover design and conditional logistic regression were used to compare in‐ and outpatient infections among CHD and ischemic stroke cases (14, 30, 42, and 90 days before the event) with corresponding control periods 1 and 2 years previously. A total of 1312 incident CHD cases and 727 incident stroke cases were analyzed. Inpatient infections (14‐day odds ratio [OR]=12.83 [5.74, 28.68], 30‐day OR=8.39 [4.92, 14.31], 42‐day OR=6.24 [4.02, 9.67], and 90‐day OR=4.48 [3.18, 6.33]) and outpatient infections (14‐day OR=3.29 [2.50, 4.32], 30‐day OR=2.69 [2.14, 3.37], 42‐day OR=2.45 [1.97, 3.05], and 90‐day OR=1.99 [1.64, 2.42]) were more common in all CHD case periods compared with control periods and inpatient infection was a stronger CHD trigger for all time periods (P<0.05). Inpatient infection was also a stronger stroke trigger with the difference borderline statistically significant (P<0.10) for the 42‐ and 90‐day time periods. Conclusions In‐ and outpatient infections are associated with CVD risk. Patients with an inpatient infection may be at particularly elevated CVD risk and should be considered potential candidates for CVD prophylaxis.
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spelling doaj.art-6ac61e48ce304868b2fe8246c26f8f622022-12-22T02:39:29ZengWileyJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease2047-99802018-11-0172210.1161/JAHA.118.009683Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC StudyLogan T. Cowan0Pamela L. Lutsey1James S. Pankow2Kunihiro Matsushita3Junichi Ishigami4Kamakshi Lakshminarayan5Department of Epidemiology and Environmental Health Sciences Georgia Southern University Statesboro GADivision of Epidemiology and Community Health University of Minnesota Minneapolis MNDivision of Epidemiology and Community Health University of Minnesota Minneapolis MNDepartment of Epidemiology Johns Hopkins University Baltimore MDDepartment of Epidemiology Johns Hopkins University Baltimore MDDivision of Epidemiology and Community Health University of Minnesota Minneapolis MNBackground Acute infections are known cardiovascular disease (CVD) triggers, but little is known regarding how CVD risk varies following inpatient versus outpatient infections. We hypothesized that in‐ and outpatient infections are associated with CVD risk and that the association is stronger for inpatient infections. Methods and Results Coronary heart disease (CHD) and ischemic stroke cases were identified and adjudicated in the ARIC (Atherosclerosis Risk in Communities Study). Hospital discharge diagnosis codes and Medicare claims data were used to identify infections diagnosed in in‐ and outpatient settings. A case‐crossover design and conditional logistic regression were used to compare in‐ and outpatient infections among CHD and ischemic stroke cases (14, 30, 42, and 90 days before the event) with corresponding control periods 1 and 2 years previously. A total of 1312 incident CHD cases and 727 incident stroke cases were analyzed. Inpatient infections (14‐day odds ratio [OR]=12.83 [5.74, 28.68], 30‐day OR=8.39 [4.92, 14.31], 42‐day OR=6.24 [4.02, 9.67], and 90‐day OR=4.48 [3.18, 6.33]) and outpatient infections (14‐day OR=3.29 [2.50, 4.32], 30‐day OR=2.69 [2.14, 3.37], 42‐day OR=2.45 [1.97, 3.05], and 90‐day OR=1.99 [1.64, 2.42]) were more common in all CHD case periods compared with control periods and inpatient infection was a stronger CHD trigger for all time periods (P<0.05). Inpatient infection was also a stronger stroke trigger with the difference borderline statistically significant (P<0.10) for the 42‐ and 90‐day time periods. Conclusions In‐ and outpatient infections are associated with CVD risk. Patients with an inpatient infection may be at particularly elevated CVD risk and should be considered potential candidates for CVD prophylaxis.https://www.ahajournals.org/doi/10.1161/JAHA.118.009683cardiovascular diseasecase‐control studycoronary heart diseaseinfectionischemic stroke
spellingShingle Logan T. Cowan
Pamela L. Lutsey
James S. Pankow
Kunihiro Matsushita
Junichi Ishigami
Kamakshi Lakshminarayan
Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study
Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease
cardiovascular disease
case‐control study
coronary heart disease
infection
ischemic stroke
title Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study
title_full Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study
title_fullStr Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study
title_full_unstemmed Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study
title_short Inpatient and Outpatient Infection as a Trigger of Cardiovascular Disease: The ARIC Study
title_sort inpatient and outpatient infection as a trigger of cardiovascular disease the aric study
topic cardiovascular disease
case‐control study
coronary heart disease
infection
ischemic stroke
url https://www.ahajournals.org/doi/10.1161/JAHA.118.009683
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