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Hospitalization and Readmission among Congenital Heart Disease Patients in Canada Open Access


Other title
Congenital heart disease
Type of item
Degree grantor
University of Alberta
Author or creator
Islam, Sunjidatul
Supervisor and department
Andrew Mackie (Department of Pediatrics)
Yutaka Yasui (School of Public Health)
Examining committee member and department
Padma Kaul (School of Public Health)
Piushkumar Mandhane (Department of Pediatrics)
Department of Public Health Sciences
Date accepted
Graduation date
Master of Science
Degree level
The prevalence of congenital heart disease (CHD) is rising, particularly among adults. The rise is particularly prominent for CHD with complex lesions. The impact of these changes on the healthcare system/resource is not known. The first part of this thesis used the hospital discharge abstract data from the Canadian Institute for Health Information and assessed temporal changes in hospitalizations of CHD patients in Canada from 2003 to 2009. Poisson regression analysis was performed to assess temporal changes in the hospitalization rate, stratified by age, sex, and severity of CHD. Increasing inpatient service utilization over time was observed among adult CHD patients particularly in older patients and those with complex CHD. The second part of this thesis focused on determining the readmission rate among CHD patients and identifying risk factors associated with readmission. Poisson regression was used to analyze the readmission rates by age, sex, and severity of CHD. Logistic regression analysis was performed to identify risk factors associated with readmission within two weeks and one month after discharge. The hospital readmission was common among CHD patients particularly among patients aged 40 years or older, males and those with complex CHD. The pattern of inpatient health service utilization by CHD patients in Canada presented in this study would help policy makers to adopt appropriate strategies to meet the increasing demands of this expanding population. In addition, findings on readmission and associated risk factors from our study would facilitate clinicians to identify high-risk patients. We need further studies focusing on the healthcare cost of hospital admissions as well as unplanned readmission among CHD patients.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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