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Reversible coronary artery kinking caused by cardiopulmonary support
1Department of Internal Medicine, School of Medicine, University of California, Davis.
Catheterization and Cardiovascular Diagnosis
|November 1, 1994
Summary
Cardiopulmonary support aids high-risk patients during angioplasty. Unexpectedly, discontinuing this support reversed severe coronary stenoses, suggesting a novel therapeutic approach.
Area of Science:
- Cardiology
- Cardiovascular Interventions
Background:
- Percutaneous transluminal coronary angioplasty (PTCA) is a common procedure for treating coronary artery disease.
- High-risk patients undergoing PTCA often require cardiopulmonary support for hemodynamic stability.
Observation:
- A patient undergoing supported angioplasty experienced new severe stenoses after coronary dilation.
- These newly developed stenoses were completely reversed upon cessation of cardiopulmonary support.
Findings:
- The emergence of severe coronary stenoses during supported angioplasty was observed.
- Discontinuation of cardiopulmonary support led to the complete resolution of these stenoses.
Implications:
- This case suggests a potential paradoxical effect of cardiopulmonary support on coronary stenosis during angioplasty.
- Further research is warranted to understand the mechanisms and clinical implications of this phenomenon for high-risk patients.