Management of Diabetes with Comorbid Depression, Hypertension, and Dysglycemia
Screen for depression annually using validated depression screening measures and refer to mental health professionals experienced in cognitive behavioral therapy or interpersonal therapy, while simultaneously optimizing glycemic control with metformin as first-line therapy, managing hypertension with ACE inhibitors or ARBs, and implementing a team-based care approach. 1, 2, 3, 4
Depression Screening and Management
Screening Protocol
- Conduct annual screening for depressive symptoms using age-appropriate validated depression screening measures, recognizing that further evaluation is necessary for positive screens. 1
- Screen at diagnosis of diabetes complications or when significant changes in medical status occur. 1
- Depression affects 20-25% of people with diabetes and is associated with worse glycemic control, reduced medication adherence, and increased mortality. 1, 5
Treatment Approach
- Refer patients with confirmed depression to mental health providers experienced in cognitive behavioral therapy, interpersonal therapy, or other evidence-based approaches, using collaborative care with the diabetes treatment team. 1
- Depression should be treated concurrently with diabetes rather than as isolated diseases, as depression significantly impacts diabetes self-management including dietary adherence, medication compliance, and blood glucose monitoring. 5, 6
- Both psychotherapy and antidepressants are effective for treating depression in diabetes patients, though psychological treatments show better results for both medical and psychological outcomes. 7
- Algorithm-based care combining psychological and psychopharmacological approaches provides the best evidence for successful depression treatment. 7
Critical Pitfall
- Depression is unrecognized and untreated in approximately two-thirds of patients with both diabetes and depression, and up to 80% will experience relapse of depressive symptoms over 5 years. 6
Glycemic Management
Initial Pharmacologic Therapy
- Initiate metformin at diagnosis of type 2 diabetes alongside lifestyle therapy, provided renal function is adequate. 2, 8, 3
- Metformin is the preferred initial pharmacologic agent for type 2 diabetes. 2, 8
- Metformin rarely causes hypoglycemia by itself but can contribute to hypoglycemia if combined with inadequate food intake, alcohol, or other glucose-lowering medications. 3
Glycemic Targets
- Set individualized blood glucose targets based on duration of diabetes, age/life expectancy, cardiovascular disease presence, hypoglycemia unawareness, and individual patient considerations. 2, 8
- Monitor glycemic control with regular blood glucose testing every 3-6 months. 2
Treatment Intensification
- When monotherapy with a noninsulin agent at maximum tolerated dose does not achieve or maintain blood glucose targets over 3 months, add a second agent. 2, 8
- Consider patient factors when selecting medications: efficacy, cost, side effects, weight effects, comorbidities, and hypoglycemia risk. 2
Hypoglycemia Management
- Treat conscious patients with hypoglycemia using 15-20g of rapid-acting glucose. 1, 2, 8
- Recheck blood glucose after 15 minutes; if hypoglycemia persists, repeat treatment. 1, 8
- Patients with hypoglycemia unawareness should raise glycemic targets to strictly avoid further hypoglycemia for at least several weeks. 1
- Educate patients on situations increasing hypoglycemia risk: fasting for procedures, during/after exercise, and during sleep. 2
Hypertension Management
Blood Pressure Targets
- Target blood pressure less than 140/90 mmHg for patients with diabetes and hypertension. 2
Pharmacologic Therapy
- Use either an ACE inhibitor (such as lisinopril) or ARB as first-line antihypertensive therapy, but not both simultaneously. 2, 4
- ACE inhibitors like lisinopril require monitoring for angioedema, symptomatic hypotension, hyperkalemia, and hypoglycemia (especially when combined with oral antidiabetic agents or insulin). 4
- Diabetic patients starting ACE inhibitors should monitor for hypoglycemia closely, especially during the first month of combined use. 4
Lifestyle Modifications
- Implement weight loss, reduced-sodium diet, moderate alcohol intake, and increased physical activity. 2
Comprehensive Lifestyle Management
Nutrition
- Implement medical nutrition therapy with individualized meal planning, preferably provided by a registered dietitian. 2, 8
- No single ideal macronutrient distribution exists; individualize based on patient assessment. 2
- Effective eating patterns include Mediterranean-style, DASH, plant-based, lower-fat, and lower-carbohydrate approaches. 2
- For overweight/obese patients, prescribe 500-750 kcal/day energy deficit to achieve ≥5% weight loss. 2
Physical Activity
- Advise at least 150 minutes per week of moderate-intensity aerobic activity (50-70% maximum heart rate), spread over at least 3 days with no more than 2 consecutive days without exercise. 1, 2
- Encourage resistance training at least twice weekly. 1, 2
- Reduce sedentary time. 2, 8
Team-Based Care Structure
Multidisciplinary Team
- Utilize a collaborative team including physicians, nurse practitioners, physician assistants, nurses, dietitians, pharmacists, and mental health professionals. 2, 8
- Align care with the Chronic Care Model to ensure productive interactions between a prepared proactive practice team and an informed activated patient. 2, 8
- The Chronic Care Model reduces cardiovascular disease risk by 56.6%, microvascular complications by 11.9%, and mortality by 66.1%. 8
Diabetes Self-Management Education and Support (DSMES)
- Provide DSMES to all patients at diagnosis and at critical points throughout care. 1, 2, 8
- DSMES should address psychosocial issues since emotional well-being is associated with positive diabetes outcomes. 1
- Include essential content on hypoglycemia/hyperglycemia recognition and treatment, medication administration, blood glucose monitoring, and nutritional management. 2
Complication Screening
Regular Monitoring
- Conduct annual comprehensive eye examination. 2
- Screen annually for diabetic kidney disease. 2
- Perform comprehensive foot examination regularly. 2
- Screen for and treat modifiable cardiovascular risk factors. 2
Lipid Management
- Statin use is recommended for most persons with diabetes aged 40 years or older. 2
- Statin intensity should be based on the patient's risk profile in addition to intensive lifestyle therapy. 2
Critical Integration Points
Person-Centered Communication
- Use a patient-centered communication style incorporating patient preferences, assessing literacy and numeracy, and addressing cultural barriers. 2, 8
- Use nonjudgmental language to foster trust and patient engagement in medication recommendations. 9