Related Experiment Videos
Non-invasive assessment of left ventricular function in diabetics without clinical heart disease
Insights
Diabetic patients show preclinical heart dysfunction, evidenced by altered left ventricular performance metrics. Echocardiographic time interval measurements can detect these early myocardial changes in diabetes.
Area of Science:
- Cardiology
- Diabetology
- Medical Diagnostics
Background:
- Diabetes mellitus is a significant risk factor for cardiovascular complications.
- Subclinical myocardial dysfunction can precede overt heart disease in diabetic individuals.
- Early detection of cardiac abnormalities is crucial for timely intervention in diabetes management.
Purpose of the Study:
- To assess left ventricular performance in diabetic patients using echocardiographic systolic and diastolic time intervals.
- To identify early signs of myocardial dysfunction in individuals with diabetes.
- To evaluate the utility of time interval measurements for preclinical detection of cardiac abnormalities in diabetes.
Main Methods:
- Echocardiography was used to measure systolic and diastolic time intervals.
- The study included 24 diabetic patients without clinical heart disease and 18 healthy controls.
- Key parameters assessed included pre-ejection period (PEP) and isovolumic relaxation time (IVRT).
Main Results:
- Diabetic patients exhibited significantly longer PEP (p < 0.01).
- A higher PEP/LVET ratio was observed in the diabetic group (p < 0.01).
- Diabetics also demonstrated a significantly longer IVRT (p < 0.01), indicating diastolic dysfunction.
Conclusions:
- Altered systolic and diastolic time intervals suggest preclinical myocardial dysfunction in diabetes.
- Measurement of these time intervals is a valuable, non-invasive method for early detection of cardiac abnormalities in diabetic patients.
- These findings highlight the importance of cardiac monitoring in individuals with diabetes, even in the absence of clinical heart disease.
Abstract:
Left ventrical performance was assessed by systolic and diastolic time intervals measured echocardiographically in 24 diabetic patients without clinical heart disease and in 18 healthy subjects. It was found that diabetics had longer PEP, higher PEP/LVET ratio and longer IVRT (p less than 0.01). The possible pathogenetic explanations of these abnormalities are discussed and it is concluded that the measurement of time intervals is a useful method for detecting this myocardial dysfunction on the preclinical stage.