{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,11]],"date-time":"2026-06-11T10:29:47Z","timestamp":1781173787210,"version":"3.54.1"},"reference-count":35,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2017,3,21]],"date-time":"2017-03-21T00:00:00Z","timestamp":1490054400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100008903","name":"Ministry of Health and Welfare","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008903","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004737","name":"National Health Research Institutes","doi-asserted-by":"publisher","award":["NHIRD\u2010104\u2010148"],"award-info":[{"award-number":["NHIRD\u2010104\u2010148"]}],"id":[{"id":"10.13039\/501100004737","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J American Geriatrics Society"],"published-print":{"date-parts":[[2017,7]]},"abstract":"<jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>\n                      To determine the association between usages of proton pump inhibitors (\n                      <jats:styled-content style=\"fixed-case\">PPI<\/jats:styled-content>\n                      s) and subsequent risk of pneumonia in dementia patients.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Design<\/jats:title>\n                    <jats:p>Retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Taiwanese National Health Insurance Research Database.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Participants<\/jats:title>\n                    <jats:p>\n                      The study cohort consisted of 786 dementia patients with new\n                      <jats:styled-content style=\"fixed-case\">PPI<\/jats:styled-content>\n                      usage and 786 matched dementia patients without\n                      <jats:styled-content style=\"fixed-case\">PPI<\/jats:styled-content>\n                      usage.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Measurements<\/jats:title>\n                    <jats:p>\n                      The study endpoint was defined as the occurrence of pneumonia. The Cox proportional hazard model was used to estimate the pneumonia risk. Defined daily dose methodology was applied to evaluate the cumulative and dose\u2010response relationships of\n                      <jats:styled-content style=\"fixed-case\">PPI<\/jats:styled-content>\n                      .\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Incidence of pneumonia was higher among patients with\n                      <jats:styled-content style=\"fixed-case\">PPI<\/jats:styled-content>\n                      usage (adjusted hazard ratio (\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      ) = 1.89; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.51\u20132.37). Cox model analysis also demonstrated that age (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.05; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.03\u20131.06), male gender (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.57; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.25\u20131.98), underlying cerebrovascular disease (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.30; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.04\u20131.62), chronic pulmonary disease (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.39; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.09\u20131.76), congestive heart failure (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.54; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.11\u20132.13), diabetes mellitus (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.54; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.22\u20131.95), and usage of antipsychotics (adjusted\n                      <jats:styled-content style=\"fixed-case\">HR<\/jats:styled-content>\n                      = 1.29; 95%\n                      <jats:styled-content style=\"fixed-case\">CI<\/jats:styled-content>\n                      = 1.03\u20131.61) were independent risk factors for pneumonia. However, usage of cholinesterase inhibitors and histamine receptor\u20102 antagonists were shown to decrease pneumonia risk.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      <jats:styled-content style=\"fixed-case\">PPI<\/jats:styled-content>\n                      usage in dementia patients is associated with an 89% increased risk of pneumonia.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jgs.14813","type":"journal-article","created":{"date-parts":[[2017,3,21]],"date-time":"2017-03-21T02:45:13Z","timestamp":1490064313000},"page":"1441-1447","source":"Crossref","is-referenced-by-count":24,"title":["Association of Proton Pump Inhibitors Usage with Risk of Pneumonia in Dementia 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Research Chung Shan Medical University Hospital Taichung Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Han\u2010Wei","family":"Yeh","sequence":"additional","affiliation":[{"name":"School of Medicine Chang Gung University Taoyuan City Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu\u2010Hsun","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Medicine Chang Gung University Taoyuan City Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ming\u2010Chih","family":"Chou","sequence":"additional","affiliation":[{"name":"Institute of Medicine Chung Shan Medical University Taichung Taiwan"},{"name":"Department of Surgery Chung Shan Medical University Hospital Taichung Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chao\u2010Bin","family":"Yeh","sequence":"additional","affiliation":[{"name":"Department of Emergency Medicine School of Medicine Chung Shan Medical University 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