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Changes in the ballistocardiogram in pulmonary hypertension
Bibliotheca Cardiologica
|January 1, 1975
Summary
The study found that both healthy individuals and those with lung disease (pneumopaths) showed changes in their ballistocardiogram (Bcg) waves. Specifically, pneumopaths with pulmonary hypertension had higher L waves, indicating altered heart mechanics.
Area of Science:
- Cardiology
- Pulmonology
- Biophysics
Background:
- Ballistocardiography (Bcg) reflects cardiac and vascular dynamics.
- Pulmonary hypertension significantly impacts cardiovascular function.
- Understanding Bcg changes in lung disease is crucial for diagnosis.
Purpose of the Study:
- To compare Bcg wave characteristics in healthy individuals, pneumopaths with normal pulmonary artery pressure, and pneumopaths with pulmonary hypertension.
- To investigate the relationship between pulmonary artery pressure and Bcg wave morphology.
Main Methods:
- Venous catheterization was used to measure pulmonary artery pressure.
- Ballistocardiogram (Bcg) recordings were obtained from three groups: healthy individuals, pneumopaths with normal pulmonary artery pressure, and pneumopaths with pulmonary hypertension.
- Analysis focused on comparing the H and L waves of the Bcg.
Main Results:
- The H wave of the Bcg was significantly elevated in both pneumopath groups compared to healthy individuals.
- The L wave of the Bcg was significantly higher in pneumopaths with resting pulmonary hypertension compared to those with normal pulmonary artery pressure and healthy individuals.
Conclusions:
- Bcg wave patterns, particularly the H and L waves, are altered in patients with lung disease and pulmonary hypertension.
- These findings suggest Bcg may serve as a non-invasive indicator of pulmonary artery pressure changes in pneumopaths.