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Intraaortic balloon pump support during coronary angioplasty. Initial experience
E C Osterne1, G A Alexim, V P da Motta
1Hospital das Forças Armadas, Brasília, Brazil.
Arquivos Brasileiros De Cardiologia
|February 7, 2001
Summary
Intraaortic balloon pumps (IAoB) combined with percutaneous coronary angioplasty offer hemodynamic stability for high-risk patients. This approach enables successful procedures, improving clinical outcomes in complex coronary artery disease cases.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Medical Devices
Background:
- High-risk patients with acute ischemic syndromes often present complex coronary artery disease.
- Surgical revascularization may be contraindicated in these patients.
- Percutaneous coronary angioplasty (PCA) alone may be insufficient for hemodynamic support.
Purpose of the Study:
- To evaluate the efficacy and safety of using an intraaortic balloon (IAoB) in conjunction with coronary angioplasty.
- To assess the feasibility of PCA with IAoB support in high-risk patients unsuitable for surgery.
Main Methods:
- Fourteen high-risk patients underwent PCA, often with stenting, supported by an IAoB.
- Patients had severe coronary artery disease, including multivessel disease and unprotected left main lesions.
- Many patients had significantly reduced left ventricular ejection fraction (<30%).
Main Results:
- Procedures achieved 100% initial success.
- Two patients experienced severe bleeding during sheath removal.
- After 12 months, 4 patients were asymptomatic, and others were clinically controlled, with two late deaths.
Conclusions:
- The combined use of IAoB and PCA provides crucial hemodynamic stability.
- This strategy facilitates successful intervention in high-risk patients with acute ischemic syndromes.
- IAoB support is a valuable adjunct for complex PCI in high-risk populations.