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KMID : 0191120220370150112
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Journal of Korean Medical Science
2022 Volume.37 No. 15 p.112 ~ p.112
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Association Between Antihypertensive Use and Hospitalized Pneumonia in Patients With Stroke: A Korean Nationwide Population-Based Cohort Study
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Byun Jae-Hyun
Rhee Seung-Yeon
Chun Sung-Youn
Kim Hyoung-Seop
Oh Byung-Mo
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Abstract
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Background: We aimed to examine the association between antihypertensive use and the incidence of hospitalized pneumonia in patients with a history of stroke.
Methods: In this case-crossover study, we obtained data from the Korean National Health Insurance Service?National Sample Cohort database. We included the data of patients with history of stroke who were admitted with a disease code of pneumonia. We analyzed the patients’ exposure to antihypertensives in the 30 (single case period), 90?120, and 150?180 days (2 control periods) before the onset of pneumonia using conditional logistic regression analysis. Additionally, sensitivity analysis and subgroup analysis according to diabetes status, age, and documented disability were performed.
Results: Angiotensin II receptor blocker (ARB) use was associated with a reduced risk of hospitalized pneumonia (adjusted odds ratio [OR] [95% confidence interval; 95% CI]: 0.718 [0.576?0.894]). However, the use of angiotensin converting enzyme inhibitors and other antihypertensives were not associated with a change in hospitalized pneumonia incidence (adjusted OR [95% CI]: 0.902, [0.603?1.350] and 0.788 [0609?1.018], respectively). Subgroup analysis revealed that ARB use was associated with a reduced incidence of hospitalized pneumonia in patients with a history of stroke who were older than 65 years, but not in younger (≤ 65 years) group (adjusted OR [95% CI]: 0.687 [0.536?0.880]).
Conclusion: ARB use is associated with a reduced incidence of hospitalized pneumonia in patients with a history of stroke, especially in older adults.
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KEYWORD
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Pneumonia, Stroke, Angiotensin Receptor Antagonists, Angiotensin-Converting Enzyme Inhibitors, Antihypertensive Agents
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