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[Serum histamine, osmolality and hemodynamics during aortography]
Annales Francaises D'Anesthesie Et De Reanimation
|January 1, 1984
Summary
Translumbar aortic arteriography triggers immediate histamine release and subsequent hemodilution in patients. These effects increase cardiac output, similar to isovolemic hemodilution.
Area of Science:
- Cardiovascular Physiology
- Radiology
- Pharmacology
Context:
- Translumbar aortic arteriography is a diagnostic imaging procedure.
- Contrast media injections can induce physiological responses.
- Understanding these responses is crucial for patient safety.
Purpose:
- To investigate the physiological effects of translumbar aortic arteriography.
- To measure changes in arterial osmolality, histamine levels, and hemodynamics.
- To characterize the immediate and delayed responses to contrast media.
Summary:
- Sixteen patients undergoing translumbar aortic arteriography received Télébrix 38 (sodium and meglumine ioxitalamate).
- Significant increases in arterial osmolality and histamine levels were observed starting 30 seconds post-injection.
- Hemodynamic measurements revealed increased ventricular systolic work indices, primarily due to elevated systolic index, mimicking isovolemic hemodilution.
Impact:
- Translumbar aortic arteriography causes rapid histamine release and later hemodilution.
- These effects lead to increased cardiac output, comparable to isovolemic hemodilution.
- Findings provide insights into the physiological consequences of contrast media administration during arteriography.