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[Type 2 diabetic mellitus and prognostically adverse factors].
Klinicheskaia Meditsina
|March 15, 2011
Summary
Patients with type 2 diabetes and cardiac disorders face significantly lower survival rates. Key predictors of poor outcomes include high HbA1c, left ventricular changes, and myocardial ischemia.
Area of Science:
- Cardiology
- Endocrinology
- Diabetology
Background:
- Type 2 diabetes (T2DM) is a growing global health concern.
- Cardiac disorders, including chronic coronary heart disease (CHD) and arterial hypertension (AH), are prevalent comorbidities.
- The impact of T2DM on survival in patients with pre-existing cardiac conditions requires further investigation.
Purpose of the Study:
- To evaluate the long-term survival rates of patients with cardiac disorders and type 2 diabetes.
- To identify prognostic factors influencing survival in this patient cohort.
Main Methods:
- A 6-year prospective study involving 73 patients with cardiac disorders (chronic CHD, AH) and T2DM without myocardial infarction.
- A control group of similar patients without T2DM was included for comparison.
- Survival analysis, echocardiography (echoCG), and 24-hour ECG monitoring were utilized.
Main Results:
- Survival was significantly lower in patients with T2DM compared to controls (0.64 vs. 0.93, p < 0.001).
- Elevated HbA1c levels (> 8.5%) were a major negative prognostic factor.
- Left ventricular changes on echoCG and signs of myocardial ischemia on 24-hour ECG monitoring also predicted poorer survival.
Conclusions:
- Type 2 diabetes significantly reduces long-term survival in patients with chronic cardiac disorders.
- Glycemic control (HbA1c), left ventricular structure, and myocardial ischemia are critical prognostic indicators.
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