U of T heart failure


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TSpace Repository School of Graduate Studies – Theses Doctoral
Title:
Design and Evaluation of a Mobile Phone-based Remote Patient Monitoring System for Heart Failure Management: A Focus on Self-care
Author:
Emily Seto
Advisor:
Kevin Leonard
Department:
Health Policy, Management and Evaluation
Keywords:
patient monitoring; self-care; mobile phone; heart failure
Issue Date:
31-Aug-2011
Abstract (summary):
Methods to improve self-care and clinical management of heart failure are required, especially in light of the anticipated increase in heart failure prevalence and associated high costs. Remote patient monitoring (RPM) has been shown to improve heart failure outcomes, but the feasibility and efficacy of mobile phone-based RPM systems are still unknown. The main objectives of this research were to investigate the optimal design of a mobile phone-based RPM system, and to determine the effects of the system on self-care, clinical management, and health outcomes. A mobile phone-based RPM system was first developed using a user-centric design process. It was then evaluated with a six-month randomized controlled trial consisting of 100 patients attending a heart function clinic. The quality of life improved only for the intervention group, but both intervention and control groups improved with respect to self-care, heart function, and heart failure prognosis. The clinic was determined to be a confounder. Patients who were enrolled into the clinic for less than six months showed significantly greater improvements (six months is required for patients to stabilize from medication optimization). Therefore, a subgroup analysis using data from the 63 patients who were enrolled into the clinic for over six months at time of recruitment was performed. The results from the subgroup analysis indicated that the RPM system improved self-care, heart function, and heart failure prognosis at statistically significant and clinically meaningful levels. These improvements were found to be a result of enhanced self-care knowledge and practices, as well as enhanced clinical management enabled by the system. No differences in mortality or hospital admissions were found between groups, but the trial was underpowered to detect changes in these outcome measures. In summary, mobile phone-based RPM was found to be a feasible and effective tool to help improve heart failure management and outcomes.

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About garyskeete

ASHWORTH MEDICINE-Professional Medical Assisting, Doctor of Science,Legal Assistant Diploma BSc Criminal Justice
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