TY - JOUR
T1 - Translation and Validation of the Brazilian-Portuguese Short Version of Vascular Quality of Life Questionnaire in Peripheral Artery Disease Patients with Intermittent Claudication Symptoms
AU - de Almeida Correia, Marilia
AU - Andrade-Lima, Aluísio
AU - Mesquita de Oliveira, Paulo Longano
AU - Domiciano, Rômulo Martins
AU - Ribeiro Domingues, Wagner Jorge
AU - Wolosker, Nelson
AU - Puench-Leão, Pedro
AU - Ritti-Dias, Raphael Mendes
AU - Cucato, Gabriel Grizzo
PY - 2018/8/1
Y1 - 2018/8/1
N2 - 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.
AB - 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.
KW - Aged
KW - Brazil
KW - Exercise Tolerance
KW - Female
KW - Health Status
KW - Humans
KW - Intermittent Claudication/diagnosis
KW - Male
KW - Middle Aged
KW - Peripheral Arterial Disease/diagnosis
KW - Predictive Value of Tests
KW - Psychometrics
KW - Quality of Life
KW - Reproducibility of Results
KW - Surveys and Questionnaires
KW - Translating
KW - Walk Test
KW - Walking
U2 - 10.1016/j.avsg.2018.02.026
DO - 10.1016/j.avsg.2018.02.026
M3 - Article
C2 - 29772330
SN - 0890-5096
VL - 51
SP - 48-54.e1
JO - Annals of Vascular Surgery
JF - Annals of Vascular Surgery
ER -