Translation and Validation of the Brazilian-Portuguese Short Version of Vascular Quality of Life Questionnaire in Peripheral Artery Disease Patients with Intermittent Claudication Symptoms

de Almeida Correia, Marilia, Andrade-Lima, Aluísio, Mesquita de Oliveira, Paulo Longano, Domiciano, Rômulo Martins, Ribeiro Domingues, Wagner Jorge, Wolosker, Nelson, Puench-Leão, Pedro, Ritti-Dias, Raphael Mendes and Cucato, Gabriel (2018) Translation and Validation of the Brazilian-Portuguese Short Version of Vascular Quality of Life Questionnaire in Peripheral Artery Disease Patients with Intermittent Claudication Symptoms. Annals of Vascular Surgery, 51. 48-54.e1. ISSN 0890-5096

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Official URL: https://doi.org/10.1016/j.avsg.2018.02.026

Abstract

BACKGROUND: The Vascular Quality of Life Questionnaire (VascuQoL-6) was proposed to evaluate specific quality of life of peripheral artery disease (PAD) patients. However, there is no Brazilian-Portuguese version available, blunting its use in Brazilian patients. The objective of the study was to analyze the psychometric properties of a translated Brazilian-Portuguese version of VascuQoL-6 in Brazilian patients with PAD with intermittent claudication symptoms.

METHODS: One hundred eleven patients with PAD participated in the study. After translation and retranslation, construct validity was analyzed by identifying correlation between VascuQoL-6 scores, general World Health Organization qualify of life (WHOQOL) score, and subjective and objective functional capacity tests. To determine the reliability, internal consistency and test-retest reliability with at least 7 days interval between 2 questionnaire applications were calculated.

RESULTS: Significant correlations between the VascuQoL-6 score and total WHOQOL score (r = 0.44; P < 0.05) were observed. Moreover, we observed negative correlations between the VascuQoL-6 score and 4-meter usual pace (r = -0.33; P < 0.05) and 4-meter fast pace (r = -0.34; P < 0.05) and positive correlation with onset claudication distance (r = 0.39; P < 0.05) and total walking distance (r = 0.29; P ≤ 0.05). Internal consistency was 0.84, whereas the intraclass coefficient correlation was 0.84, with no differences in VascuQoL-6 scores between the 2 applications days.

CONCLUSIONS: The Brazilian-Portuguese version of the VascuQoL-6 presents adequate valid and reliability indicators, allowing its use in patients with PAD with intermittent claudication symptoms.

Item Type: Article
Subjects: B300 Complementary Medicine
B700 Nursing
B900 Others in Subjects allied to Medicine
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Elena Carlaw
Date Deposited: 20 Nov 2019 13:56
Last Modified: 20 Nov 2019 13:56
URI: http://nrl.northumbria.ac.uk/id/eprint/41550

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