Abstract

Elderly patients with chronic kidney disease (CKD) are at a higher risk of hospitalization for cardiovascular diseases (CVD). Previous studies have showed that influenza vaccination could reduce the risk of recurrent major cardiovascular events in patients with CVD. However, the effects of influenza vaccination on the reduction of first hospitalizations for acute coronary syndrome (ACS) in elderly patients with CKD remain unknown. We conducted a cohort study using data from the Taiwan Longitudinal Health Insurance Database 1997 to 2008. This cohort study comprised elderly patients (ages ≥55 years) with a recorded diagnosis of CKD (n=4406) between January 1, 1999, and December 31, 2007. Each patient was followed up until the end of 2008. To minimize the selection bias of vaccine therapy, a propensity score adjustment was applied. The hazard ratio (HR) and 95% confidence interval (CI) for the association between the influenza vaccination and the occurrence of first hospitalization for ACS was evaluated by Cox proportional hazards regression. We further categorized the patients into 4 groups according to their vaccination status (unvaccinated, and total number of vaccinations: 1, 2-3, and ≥4). We found that elderly CKD patients without prior CVD history receiving influenza vaccination exhibited a lower risk of hospitalization for ACS (adjusted HR=0.35, 95% CI 0.30-0.42; P

Original languageEnglish
Article numbere2588
JournalMedicine (United States)
Volume95
Issue number5
DOIs
Publication statusPublished - 2016

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Acute Coronary Syndrome
Chronic Renal Insufficiency
Human Influenza
Vaccination
Hospitalization
Cardiovascular Diseases
Cohort Studies
Confidence Intervals
Active Immunotherapy
Propensity Score
Selection Bias
Health Insurance
Taiwan
Databases

ASJC Scopus subject areas

  • Medicine(all)

Cite this

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title = "Influenza vaccination is associated with lower risk of acute coronary syndrome in elderly patients with chronic kidney disease",
abstract = "Elderly patients with chronic kidney disease (CKD) are at a higher risk of hospitalization for cardiovascular diseases (CVD). Previous studies have showed that influenza vaccination could reduce the risk of recurrent major cardiovascular events in patients with CVD. However, the effects of influenza vaccination on the reduction of first hospitalizations for acute coronary syndrome (ACS) in elderly patients with CKD remain unknown. We conducted a cohort study using data from the Taiwan Longitudinal Health Insurance Database 1997 to 2008. This cohort study comprised elderly patients (ages ≥55 years) with a recorded diagnosis of CKD (n=4406) between January 1, 1999, and December 31, 2007. Each patient was followed up until the end of 2008. To minimize the selection bias of vaccine therapy, a propensity score adjustment was applied. The hazard ratio (HR) and 95{\%} confidence interval (CI) for the association between the influenza vaccination and the occurrence of first hospitalization for ACS was evaluated by Cox proportional hazards regression. We further categorized the patients into 4 groups according to their vaccination status (unvaccinated, and total number of vaccinations: 1, 2-3, and ≥4). We found that elderly CKD patients without prior CVD history receiving influenza vaccination exhibited a lower risk of hospitalization for ACS (adjusted HR=0.35, 95{\%} CI 0.30-0.42; P",
author = "Chen, {Chang I.} and Kao, {Pai Feng} and Wu, {Mei Yi} and Fang, {Yu Ann} and Miser, {James S.} and Liu, {Ju Chi} and Sung, {Li Chin}",
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AU - Liu, Ju Chi

AU - Sung, Li Chin

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