Relationship between chronic complications, hypertension, and health-related quality of life in Portuguese patients with type 2 diabetes
Received 13 May 2015
Accepted for publication 21 July 2015
Published 30 October 2015 Volume 2015:8 Pages 535—542
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Professor Ming-Hui Zou
Eduardo Sepúlveda,1,2 Rui Poínhos,2,3 Miguel Constante,4,5 José Pais-Ribeiro,1,2 Paula Freitas,6–8 Davide Carvalho6–8
1Faculty of Psychology and Educational Sciences, University of Porto, Porto, Portugal; 2Associação de Prevenção e Apoio à Diabetes, Porto, Portugal; 3Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal; 4Institute of Psychiatry, King's College London, London, UK; 5Department of Psychiatry, Hospital Beatriz Ângelo, Loures, Portugal; 6Department of Endocrinology, Diabetes and Metabolism, Centro Hospitalar São João, Porto, Portugal; 7Faculty of Medicine, University of Porto, Porto, Portugal; 8Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
Background: The aim of this study was to assess the relationship between health-related quality of life (HRQoL) and the presence or absence of hypertension and diabetes-related chronic complications in type 2 diabetes, and also the association between HRQoL and the number of chronic complications.
Methods: One hundred patients with type 2 diabetes were interviewed. HRQoL was evaluated using the age-adjusted Short-Form 36 dimensions (physical functioning, role-physical, bodily pain, general health, vitality, social functioning, role-emotional, and mental health).
Results: The mean age of the study population was 62.7±8.7 years; 54.0% were male, and 51.0% were receiving only oral hypoglycemic agents. Chronic complications were related to worse HRQoL in different dimensions: peripheral neuropathy and cardiovascular disease (all, except bodily pain), retinopathy (physical functioning, general health, vitality, and mental health), peripheral arterial disease (physical functioning, role-physical, and general health), and nephropathy (general health and vitality). Hypertension was related to worse general health and vitality. An increased number of chronic complications was associated with worse HRQoL in all dimensions of Short-Form 36 except for the bodily pain dimension.
Conclusion: The presence and increased number of diabetes-related chronic complications, and the presence of hypertension were related to worse age-adjusted HRQoL. Peripheral neuropathy and cardiovascular disease were more strongly related to age-adjusted HRQoL.
Keywords: retinopathy, nephropathy, peripheral neuropathy, cardiovascular disease, peripheral arterial disease
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