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Changes in hemodynamics due to the contrast medium during left ventriculography
T Koeda1, I Motegi, T Ichikawa
12nd Department of Internal Medicine, Iwate Medical University School of Medicine, Morioka, Japan.
Angiology
|November 1, 1987
Summary
Contrast medium injection during left ventricular angiography affects heart failure patients differently. Those with chronic heart failure (CHF+) showed impaired recovery and increased pressures compared to those without (CHF-).
Area of Science:
- Cardiology
- Medical Imaging
Background:
- Left ventricular angiography is a key diagnostic tool for heart disease.
- Understanding the hemodynamic impact of contrast media is crucial for patient management.
Purpose of the Study:
- To investigate the effects of left ventricular angiography contrast medium injection on hemodynamics.
- To compare these effects in patients with and without a history of chronic heart failure (CHF).
Main Methods:
- Seventeen heart disease patients were divided into CHF+ and CHF- groups.
- Hemodynamic parameters, blood volume, and plasma volume were monitored post-contrast injection.
- Left ventricular pressures, heart rate, stroke volume, and cardiac index were analyzed.
Main Results:
- Both groups showed increased heart rate, but CHF+ had slower recovery.
- Left ventricular end-diastolic pressure significantly increased in the CHF+ group (p < 0.01).
- Cardiac index increased significantly in the CHF- group (p < 0.01) but not in the CHF+ group.
Conclusions:
- Contrast medium injection impacts hemodynamics differently in CHF+ versus CHF- patients.
- CHF+ patients exhibit delayed recovery and elevated left ventricular end-diastolic pressure.
- The findings highlight potential risks associated with angiography in heart failure patients.