疼痛与缓解杂志

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Is Health Related Quality of Life Influenced by Diabetic Neuropathic Pain among Type II Diabetes Mellitus Patients in Ethiopia?

Ayele Belachew, Hiwot Degu, Abigiya Wondimagegnehu and Yared Mamushet Yifru

Background: Polyneuropathy is one of the commonest complications of long standing diabetes. Progressive sensory loss can predispose patients to foot ulcer and the neuropathy oftentimes causes pain. The pain can significantly affect the quality of life of patients.
Objectives: To describes the health related quality of life of patients with type II diabetes mellitus suffering from painful diabetic peripheral neuropathy at two referral hospitals in Addis Ababa, Ethiopia, 2017.
Methods: An institution based cross sectional study with internal comparison was conducted among a sample of 220 type II diabetes mellitus patients in a 1:1 matched ratio of those with and without diabetes associated peripheral neuropathic pain. All were having regular follow up at two hospitals in Addis Ababa, Ethiopia. The Short Form (SF-36) health-related quality of life instrument was used to collect data on quality of life while basic sociodemographic and other disease specific features were collected using a structured questionnaire. Descriptive statistics was used to examine the mean scores of health related quality of life. Cronbach’s alpha coefficient and Pearson’s correlation coefficient were applied to estimate the internal consistency, and the level of agreement between the different domains of SF-36, respectively. To measure association between health’s related quality of life domains and explanatory variables, independent T-test and ANOVA were performed followed by multiple linear regression analyses.
Results: The health related quality of life of type II diabetes mellitus patients with peripheral neuropathic pain was poorer than those without pain in all the eight domains and the two summary scores by SF-36 (p<0.001). Higher mean score difference was observed in Mental Component Summary Score (MCS) (14.6) compared to Physical Component Score (PCS) (9.3). Among the eight domains, the largest mean difference was found with the physical one (39.1) followed by mental health (38.2) and physical functioning (30). Pain intensity had a statistically significant negative correlation with all domains as well as the two summary scores. Younger age, a higher level of education, being single, a higher monthly income, normal body mass index, HbA1c less than seven mmo/L, absence of other diabetic complications and taking only oral hypoglycemic agents were found to predict better health related quality of life.
Conclusion: The presence of diabetic peripheral neuropathic pain was found to negatively influence the health related quality of life of type II diabetic patients; the greatest impact being on the ‘role physical’ and ‘mental health’ domains. Older age, presence of diabetes related complications, longer duration of illness negatively influenced the health related quality of life.