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The Impact of Transcatheter Aortic Valve Implantation on Quality of Life: A Mixed Methods Study

Astin, Felicity, Horrocks, Judith, McLenachan, Jim, Blackman, Daniel J., Stephenson, John and Closs, José (2017) The Impact of Transcatheter Aortic Valve Implantation on Quality of Life: A Mixed Methods Study. Heart & Lung: The Journal of Acute and Critical Care, 46 (6). pp. 432-438. ISSN 0147-9563

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Objective: To provide an in-depth understanding of patients' views about the impact of transcatheter aortic valve implantation on self-reported quality of life. Background: Transcatheter aortic valve implantation is considered to be the gold standard of care for inoperable patients diagnosed with severe symptomatic aortic stenosis. Mid- to long-term clinical outcomes are favourable and questionnaire data indicates improvements in quality of life but an in-depth understanding of how quality of life is altered by the intervention is missing.

Methods: A mixed methods study design with a total of 89 in-depth qualitative interviews conducted with participants (39% male; mean age 81.7 years), 1 and 3 months post TAVI, recruited from a regional centre in England. Data were triangulated with questionnaire data (SF-36 and EQ5D-VAS) collected, pre, 1 and 3 months post implantation.

Results: Participants' accounts were characterised by four key themes; shortened life, extended life, limited life and changed life. Quality of life was changed through two mechanisms. Most participants reported a reduced symptom burden and all explained that their life expectancy was improved. Questionnaire data supported interview data with gradual improvements in mean EQ-5D scores and SF-36 physical and mental domain scores at 1 and 3 months compared to baseline.

Conclusion: Findings suggest that TAVI was of variable benefit, producing considerable improvements in either mental or physical health in many participants, while a smaller proportion continued to deteriorate.

Item Type: Article
Uncontrolled Keywords: Aortic stenosis; Transcatheter aortic valve implantation; Quality of life; Mixed methods; Rehabilitation; Interview; Qualitative
Subjects: R Medicine > RD Surgery
Schools: School of Human and Health Sciences
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Depositing User: Jonathan Cook
Date Deposited: 23 Oct 2017 08:56
Last Modified: 28 Aug 2021 15:28


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