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  • Title: Effectiveness of interventions based on patient empowerment in the control of type 2 diabetes in sub-Saharan Africa: A review of randomized controlled trials.
    Author: Mogueo A, Oga-Omenka C, Hatem M, Kuate Defo B.
    Journal: Endocrinol Diabetes Metab; 2021 Jan; 4(1):e00174. PubMed ID: 33532614.
    Abstract:
    BACKGROUND: It is estimated that 1.6 million deaths worldwide were directly caused by diabetes in 2016, and the burden of diabetes has been increasing rapidly in low- and middle-income countries. This study reviews existing interventions based on patient empowerment and their effectiveness in controlling diabetes in sub-Saharan Africa. METHOD: PubMed, MEDLINE, EMBASE, CINAHL, Web of Science, PsycINFO and Global Health were searched through August 2018, for randomized controlled trials of educational interventions on adherence to the medication plan and lifestyle changes among adults aged 18 years and over with type 2 diabetes. Random-effects meta-analysis was used. RESULTS: Eleven publications from nine studies involving 2743 participants met the inclusion criteria. The duration of interventions with group education and individual education ranged from 3 to 12 months. For six studies comprising 1549 participants with meta-analysable data on glycaemic control (HbA1c), there were statistically significant differences between intervention and control groups: mean difference was -0.57 [95% confidence interval (CI) -0.75, -0.40] (P < .00001, I2 = 27%). Seven studies with meta-analysable data on blood pressure showed statistically significant differences between groups in favour of interventions. Subgroup analyses on glycaemic control showed that long-term interventions were more effective than short-term interventions and lifestyle interventions were more effective than diabetes self-management education. CONCLUSION: This review supports the findings that interventions based on patient empowerment may improve glycaemia (HbA1c) and blood pressure in patients with diabetes. The long-term and lifestyle interventions appear to be the most effective interventions for glycaemic control.
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