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Right ventricular function in dilated cardiomyopathy.

J Horák, J Fabián, R Ouhrabková

|January 1, 1987

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Dilated cardiomyopathy (DCMP) often impairs right ventricular (RV) function, alongside left ventricular (LV) issues. Severe LV dysfunction invariably affects RV function, which can be estimated by diastolic pressure.

Area of Science:

Cardiology
Cardiovascular Physiology

Background:

Dilated cardiomyopathy (DCMP) frequently involves both left ventricular (LV) and right ventricular (RV) dysfunction.
The extent of RV involvement in DCMP can vary significantly among individuals.

Purpose of the Study:

To comprehensively examine right ventricular (RV) function in patients with dilated cardiomyopathy (DCMP).
To compare RV function in DCMP patients with that of healthy controls.
To investigate the relationship between RV systolic and diastolic function and its correlation with LV function and diastolic pressure.

Main Methods:

Comprehensive assessment of right ventricular (RV) function in 18 patients with dilated cardiomyopathy (DCMP).
Comparison of RV function between DCMP patients and 10 healthy controls.

Related Experiment Videos

Analysis of factors contributing to RV dysfunction, including contractility and compliance.

Main Results:

While RV function can be preserved in early DCMP stages, severe left ventricular (LV) dysfunction is consistently associated with marked RV impairment.
Disturbances in RV function stem from reduced contractility and compliance.
Significant correlations exist between RV systolic and diastolic function.
The severity of RV dysfunction in DCMP can be approximated by measuring diastolic pressure.

Conclusions:

Right ventricular (RV) dysfunction is a common and significant complication of dilated cardiomyopathy (DCMP).
The degree of RV impairment is closely linked to the severity of left ventricular (LV) dysfunction.
Diastolic pressure serves as a useful indicator for estimating the extent of RV systolic and diastolic dysfunction in DCMP.