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01.01.2015

Development and validation of a disease-targeted quality of life instrument for chronic diverticular disease: the DV-QOL

verfasst von: Brennan M. R. Spiegel, Mark W. Reid, Roger Bolus, Cynthia B. Whitman, Jennifer Talley, Stanley Dea, Kamyar Shahedi, Hetal Karsan, Chassidy Teal, Gil Y. Melmed, Erica Cohen, Garth Fuller, Linnette Yen, Paul Hodgkins, M. Haim Erder

Erschienen in: Quality of Life Research | Ausgabe 1/2015

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Abstract

Background

Colonic diverticular disease is typically conceived as acute diverticulitis attacks surrounded by periods of clinical silence. However, evolving data indicate that many patients have persistent symptoms and diminished health-related quality of life (HRQOL) long after acute attacks. We developed a disease-targeted HRQOL measure for symptomatic uncomplicated diverticular disease (SUDD)—the diverticulitis quality of life (DV-QOL) instrument.

Methods

We conducted a systematic literature review to craft a conceptual model of SUDD HRQOL. This was complemented by three focus groups including 45 SUDD patients. We developed items based on our literature search, focus groups, and cognitive debriefings. We administered the items to SUDD patients with persistent symptoms following a confirmed diverticulitis event. We created scales based on factor analysis and evaluated the scales for reliability and validity.

Results

Concept elicitation revealed a range of illness experiences attributed to SUDD. Coding of 20,490 transcribed words yielded a 52-code network with four primary, condition-related concepts: (1) physical symptoms (e.g., bloating); (2) behaviors (e.g., restrictions); (3) cognitions and concerns (e.g., fear); and (4) impact and consequences (e.g., absenteeism, anxiety). Based on patient language, we developed the 17-item DV-QOL instrument. In a cross-sectional validation sample of 197 patients, DV-QOL discriminated between patients with recent versus distant diverticulitis events and correlated highly with Short Form 36 and hospital anxiety and depression scores.

Conclusions

Patients with SUDD attribute a wide range of negative psychological, social, and physical symptoms to their condition, both during and after acute attacks; DV-QOL captures these symptoms in a valid, reliable manner.

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Titel: Development and validation of a disease-targeted quality of life instrument for chronic diverticular disease: the DV-QOL
verfasst von: Brennan M. R. Spiegel
Mark W. Reid
Roger Bolus
Cynthia B. Whitman
Jennifer Talley
Stanley Dea
Kamyar Shahedi
Hetal Karsan
Chassidy Teal
Gil Y. Melmed
Erica Cohen
Garth Fuller
Linnette Yen
Paul Hodgkins
M. Haim Erder
Publikationsdatum: 01.01.2015
Verlag: Springer International Publishing
Erschienen in: Quality of Life Research / Ausgabe 1/2015
Print ISSN: 0962-9343
Elektronische ISSN: 1573-2649
DOI: https://doi.org/10.1007/s11136-014-0753-1

Springer Medizin

Abstract

Background

Methods

Results

Conclusions

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