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The efficacy of cognitive behavioral therapy-based intervention on patients with diabetes: A meta-analysis
Yanni Li1, Eric A Storch2, Samantha Ferguson1
1School of Medicine and Dentistry, Griffith University, Gold Coast, Queensland Q422, Australia.
Insights
Cognitive Behavioral Therapy (CBT) effectively manages diabetes by reducing HbA1c, fasting blood glucose, and blood pressure. CBT also alleviates depression and anxiety symptoms, improving sleep quality in patients.
Area of Science:
- Endocrinology
- Psychiatry
- Behavioral Science
Background:
- Diabetes mellitus is a chronic metabolic disorder requiring comprehensive management strategies.
- Psychological factors significantly impact diabetes control and patient outcomes.
- Cognitive Behavioral Therapy (CBT) has emerged as a potential intervention for improving diabetes management.
Purpose of the Study:
- To conduct a meta-analysis of randomized controlled trials (RCTs) to update the evidence on the efficacy of CBT for diabetes.
- To evaluate the impact of CBT on glycemic control, blood pressure, and psychological well-being in individuals with diabetes.
Main Methods:
- A systematic literature search was performed across five databases to identify relevant RCTs.
- Primary outcomes included glycated hemoglobin (HbA1c), fasting blood glucose (FBS), systolic blood pressure (SBP), diastolic blood pressure (DBP), and body mass index (BMI).
- Secondary outcomes encompassed depression, anxiety, distress symptoms, quality of life, and sleep quality.
Main Results:
- Thirty-two RCTs were included in this meta-analysis.
- CBT significantly reduced HbA1c (-0.14%), FBS (-15.48 mg/dl), and DBP (-2.88 mmHg).
- CBT also led to significant reductions in depression (-0.90) and anxiety (-0.28) symptoms and improved sleep quality (-0.92).
Conclusions:
- Cognitive Behavioral Therapy is an effective treatment for diabetes patients.
- CBT demonstrates significant benefits in improving glycemic control, reducing blood pressure, and alleviating psychological distress.
- The findings support the integration of CBT into comprehensive diabetes care plans.
Aims:
This meta-analysis aims to update former meta-analyses from randomized controlled trials (RCT) focused on the efficacy of CBT for diabetes.
Methods:
Five databases were searched for RCTs. Primary outcomes were glycated hemoglobin (HbA1c), fasting blood glucose (FBS), systolic blood pressure (SBP), diastolic blood pressure (DBP), and body mass index (BMI). Secondary outcomes were depression, anxiety and distress symptoms, quality of life, sleep quality.
Results:
32 RCTs were included. Results revealed that CBT could reduce HbA1c: -0.14% (95% CI: -0.25 to -0.02%, P = 0.020); FBS: -15.48 mg/dl (95% CI: -30.16 to -0.81 mg/dl, P = 0.040); DBP: -2.88 mmHg (95% CI: -4.08 to -1.69 mmHg, P < 0.001); depression symptoms: -0.90 (95% CI: -1.22 to -0.57, P < 0.001); anxiety symptoms: -0.28 (95% CI: -0.50 to -0.07, P = 0.009); improve sleep quality: -0.92 (95% CI: -1.77 to -0.07, P = 0.030). Subgroup analysis indicated that CBT has siginificantly reduced HbA1c when delivered as a group-based and face-to-face method, and psycho-education, behavioral, cognitive, goal-setting, homework assignment strategies were applied as central strategies.
Conclusion:
CBT was an effective treatment for diabetes patients, significantly reduced their HbA1c, FBS, DBP, depression and anxiety symptoms, and improved sleep quality.
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