Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study

Fai Lam,1–4 Chun-Chuan Shih,5 Ta-Liang Chen,4,6 Chao-Shun Lin,2–4 Hsiao-Ju Huang,7 Chun-Chieh Yeh,8,9 Yu-Chen Huang,10,11 Hung-Yi Chiou,1,* Chien-Chang Liao2–4,11,12,* 1School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan; 2Depart...

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Autores principales:	Lam F, Shih CC, Chen TL, Lin CS, Huang HJ, Yeh CC, Huang YC, Chiou HY, Liao CC
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	urticaria stroke influenza vaccination Geriatrics RC952-954.6
Acceso en línea:	https://doaj.org/article/3c3e8cbef06244f2af4e2ea12ae6b32a
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spelling	oai:doaj.org-article:3c3e8cbef06244f2af4e2ea12ae6b32a2021-12-02T04:44:44ZRisk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study1178-1998https://doaj.org/article/3c3e8cbef06244f2af4e2ea12ae6b32a2019-11-01T00:00:00Zhttps://www.dovepress.com/risk-of-urticaria-in-geriatric-stroke-patients-who-received-influenza--peer-reviewed-article-CIAhttps://doaj.org/toc/1178-1998Fai Lam,1–4 Chun-Chuan Shih,5 Ta-Liang Chen,4,6 Chao-Shun Lin,2–4 Hsiao-Ju Huang,7 Chun-Chieh Yeh,8,9 Yu-Chen Huang,10,11 Hung-Yi Chiou,1,* Chien-Chang Liao2–4,11,12,* 1School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan; 2Department of Anesthesiology, Taipei Medical University Hospital, Taipei, Taiwan; 3Anesthesiology and Health Policy Research Center, Taipei Medical University Hospital, Taipei, Taiwan; 4Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; 5School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, Taiwan; 6Department of Anesthesiology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; 7Devision of Chinese Medicine, An Nan Hospital, China Medical University, Tainan, Taiwan; 8Department of Surgery, China Medical University Hospital, Taichung, Taiwan; 9Department of Surgery, University of Illinois, Chicago, IL, USA; 10Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; 11Research Center of Big Data and Meta-Analysis, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; 12School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan*These authors contributed equally to this workCorrespondence: Chien-Chang LiaoDepartment of Anesthesiology, Taipei Medical University Hospital, Taipei 110, TaiwanTel +886-2-27372181 ext. 8310Fax +886-2-27367344Email jacky48863027@yahoo.com.twObjective: Urticaria is a mast cell-related disease caused severe itching and the lifetime prevalence of urticaria is about 20% in general population. Our purpose is to evaluate risk of urticaria in geriatric stroke patients received influenza vaccination (IV).Methods: In a cohort of 192,728 patients with newly diagnosed stroke aged over 65 years obtained from 23 million people in Taiwan’s National Health Insurance between 2000 and 2008, we identified 9890 stroke patients who received IV and 9890 propensity score-matched stroke patients who did not receive IV. Controlling for immortal time bias, both the IV and non-IV groups were followed for one year. Urticaria events were identified during the follow-up period. We calculated the adjusted rate ratios (RRs) and 95% confidence intervals (CIs) of the one-year risk of urticaria associated with IV.Results: During the follow-up period of one year, stroke patients with IV had a significantly higher risk of urticaria compared with non-IV stroke patients (RR 1.81, 95% CI 1.47–2.23). An increased risk of urticaria in stroke patients with IV was noted in both sexes, patients 65–84 years of age, patients with comorbid medical conditions, and various time intervals of follow-up. Vaccinated stroke patients with hemorrhage (RR 4.00, 95% CI 1.76–9.10) and those who received intensive care (RR 5.14, 95% CI 2.32–11.4) had a very high risk of urticaria compared with those without IV.Conclusion: Receiving IV may be associated with an increased risk of urticaria in stroke patients. We could not infer the causality from the current results because of this study’s limitations. Future investigations are needed to evaluate the possible mechanism underlying the association between IV and urticaria.Keywords: urticaria, stroke, influenza vaccinationLam FShih CCChen TLLin CSHuang HJYeh CCHuang YCChiou HYLiao CCDove Medical Pressarticleurticariastrokeinfluenza vaccinationGeriatricsRC952-954.6ENClinical Interventions in Aging, Vol Volume 14, Pp 2085-2093 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	urticaria stroke influenza vaccination Geriatrics RC952-954.6
spellingShingle	urticaria stroke influenza vaccination Geriatrics RC952-954.6 Lam F Shih CC Chen TL Lin CS Huang HJ Yeh CC Huang YC Chiou HY Liao CC Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study
description	Fai Lam,1–4 Chun-Chuan Shih,5 Ta-Liang Chen,4,6 Chao-Shun Lin,2–4 Hsiao-Ju Huang,7 Chun-Chieh Yeh,8,9 Yu-Chen Huang,10,11 Hung-Yi Chiou,1,* Chien-Chang Liao2–4,11,12,* 1School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan; 2Department of Anesthesiology, Taipei Medical University Hospital, Taipei, Taiwan; 3Anesthesiology and Health Policy Research Center, Taipei Medical University Hospital, Taipei, Taiwan; 4Department of Anesthesiology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; 5School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung, Taiwan; 6Department of Anesthesiology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; 7Devision of Chinese Medicine, An Nan Hospital, China Medical University, Tainan, Taiwan; 8Department of Surgery, China Medical University Hospital, Taichung, Taiwan; 9Department of Surgery, University of Illinois, Chicago, IL, USA; 10Department of Dermatology, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; 11Research Center of Big Data and Meta-Analysis, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan; 12School of Chinese Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan*These authors contributed equally to this workCorrespondence: Chien-Chang LiaoDepartment of Anesthesiology, Taipei Medical University Hospital, Taipei 110, TaiwanTel +886-2-27372181 ext. 8310Fax +886-2-27367344Email jacky48863027@yahoo.com.twObjective: Urticaria is a mast cell-related disease caused severe itching and the lifetime prevalence of urticaria is about 20% in general population. Our purpose is to evaluate risk of urticaria in geriatric stroke patients received influenza vaccination (IV).Methods: In a cohort of 192,728 patients with newly diagnosed stroke aged over 65 years obtained from 23 million people in Taiwan’s National Health Insurance between 2000 and 2008, we identified 9890 stroke patients who received IV and 9890 propensity score-matched stroke patients who did not receive IV. Controlling for immortal time bias, both the IV and non-IV groups were followed for one year. Urticaria events were identified during the follow-up period. We calculated the adjusted rate ratios (RRs) and 95% confidence intervals (CIs) of the one-year risk of urticaria associated with IV.Results: During the follow-up period of one year, stroke patients with IV had a significantly higher risk of urticaria compared with non-IV stroke patients (RR 1.81, 95% CI 1.47–2.23). An increased risk of urticaria in stroke patients with IV was noted in both sexes, patients 65–84 years of age, patients with comorbid medical conditions, and various time intervals of follow-up. Vaccinated stroke patients with hemorrhage (RR 4.00, 95% CI 1.76–9.10) and those who received intensive care (RR 5.14, 95% CI 2.32–11.4) had a very high risk of urticaria compared with those without IV.Conclusion: Receiving IV may be associated with an increased risk of urticaria in stroke patients. We could not infer the causality from the current results because of this study’s limitations. Future investigations are needed to evaluate the possible mechanism underlying the association between IV and urticaria.Keywords: urticaria, stroke, influenza vaccination
format	article
author	Lam F Shih CC Chen TL Lin CS Huang HJ Yeh CC Huang YC Chiou HY Liao CC
author_facet	Lam F Shih CC Chen TL Lin CS Huang HJ Yeh CC Huang YC Chiou HY Liao CC
author_sort	Lam F
title	Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study
title_short	Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study
title_full	Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study
title_fullStr	Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study
title_full_unstemmed	Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study
title_sort	risk of urticaria in geriatric stroke patients who received influenza vaccination: a retrospective cohort study
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/3c3e8cbef06244f2af4e2ea12ae6b32a
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Risk Of Urticaria In Geriatric Stroke Patients Who Received Influenza Vaccination: A Retrospective Cohort Study

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