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Hypertension and left ventricular diastolic function
R F Shepherd1, P K Zachariah, C Shub
1Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN.
Insights
Diastolic dysfunction is an early sign of hypertensive heart disease. Recognizing and managing this condition is crucial for patients with essential hypertension, especially when heart failure develops.
Area of Science:
- Cardiology
- Hypertension Research
Background:
- Essential hypertension is increasingly linked to diastolic dysfunction.
- Diastolic dysfunction may be the earliest manifestation of hypertensive heart disease.
Purpose of the Study:
- To review mechanisms of normal ventricular relaxation and factors causing diastolic dysfunction.
- To outline noninvasive methods for assessing diastolic function in hypertensive patients.
- To discuss current management strategies for diastolic dysfunction in hypertension.
Main Methods:
- Review of existing literature on ventricular relaxation and diastolic dysfunction.
- Description of noninvasive diagnostic techniques like Doppler echocardiography and radionuclide angiography.
Main Results:
- Diastolic dysfunction is a significant complication of essential hypertension.
- Noninvasive methods are available for assessing diastolic function.
- Distinguishing between systolic and diastolic dysfunction is critical in heart failure management.
Conclusions:
- Abnormalities in diastolic function are important in essential hypertension.
- Early detection and management of diastolic dysfunction are vital for preventing severe cardiac complications.
- Differentiating systolic from diastolic left ventricular dysfunction is key in hypertensive heart failure.
Abstract:
In recent years, there has been increased recognition of the relative importance of abnormalities of diastolic function in patients with essential hypertension. Indeed, diastolic dysfunction may be the earliest indicator of hypertensive heart disease. In this article, the mechanisms governing normal ventricular relaxation and the factors that may cause diastolic dysfunction are reviewed. Noninvasive clinical methods, particularly Doppler echocardiography and radionuclide angiography, for determination of diastolic function are outlined, and the limited experience in the management of hypertensive patients with abnormalities of diastolic function is discussed. When congestive heart failure develops in a patient with hypertension, it is especially important to determine whether it is due primarily to systolic or to diastolic left ventricular dysfunction.