Abstract
Background
Brazilian records on glycemic control in patients with type 1 diabetes show treatment efficacy. Poor patient adherence to therapeutic proposals influences these results and can be associated with social, psychological, and economic aspects, besides others factors. The aim of this study was to evaluate the efficacy of psychological, telecare, and educational interventions to improve treatment compliance among patients with type 1 diabetes. Compliance was assessed indirectly using reduction of glycated hemoglobin (HbA1c) as the principal outcome measure.
Methods
Systematic review and meta-analyses of randomized controlled clinical trials (RCTs) were performed using Medline, Embase, Cochrane and Scopus databases up to April 2015. The following medical subject headings were used: Diabetes Mellitus, Type 1, Patient Compliance or Adherence, Hemoglobin A, glycated, and Randomized Controlled Trial. The principal outcome was change in HbA1c between baseline and follow-up. Where appropriate, trials were combined in meta-analysis using fixed effects models.
Results
From 191 articles initially identified, 57 were full text reviewed, and 19 articles met the inclusion criteria providing data from 1782 patients (49.4 % males, age 18 years). The RCTs (2 to 24 months in duration) were divided into four groups according to type of intervention: psychology (seven studies; 818 patients), telecare (six studies; 494 patients); education (five studies; 349 patients), and psychoeducation (one study; 153 patients). All studies reported some type of adherence measurement of the interventions. Decrease in HbA1c was observed after psychology (MD −0.310; 95 % CI, −0.599 to −0.0210, P = 0.035) but not after telecare (MD −0.124 %; 95 % CI, −0.268, 0.020; P = 0.090) or educational (MD −0.001; 95 % CI, −0.202, 0.200; P = 0.990) interventions.
Conclusion
Psychological approaches to improve adherence to diabetes care treatment modestly reduced HbA1c in patients with type 1 diabetes; telecare and education interventions did not change glycemic control. However, the limited number of studies included as well as their methodological quality should be taken into account.
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Details
1 Universidade Federal do Rio Grande do Sul, Endocrinology Division, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil (GRID:grid.8532.c) (ISNI:0000000122007498)
2 Universidade Estadual do Rio de Janeiro, Unit of Diabetes, Rio de Janeiro, Brazil (GRID:grid.412211.5)
3 Universidade Federal do Rio de Janeiro, Internal Medicine Department, Diabetes Division, Hospital Universitário Clementino Fraga Filho, Rio de Janeiro, Brazil (GRID:grid.8536.8) (ISNI:000000012294473X)
4 Universidade Estadual de Campinas, Department of Clinical Medicine, Campinas, Brazil (GRID:grid.411087.b) (ISNI:0000000107232494)