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[Successful directional coronary atherectomy after futile attempts at balloon dilatation]
R Schräder1, D Rummel, H Sievert
1Abteilung für Kardiologie, Universität Frankfurt/Main.
Insights
Directional coronary atherectomy effectively treated severe coronary artery stenosis when balloon angioplasty failed. This interventional cardiology technique offers lasting clinical improvement for patients with stable angina.
Area of Science:
- Interventional Cardiology
- Cardiovascular Disease
- Medical Devices
Background:
- Stable angina and exercise-induced ischemia can stem from severe coronary artery stenoses.
- Percutaneous balloon angioplasty is a common treatment for coronary artery disease.
- Treatment outcomes can vary depending on stenosis characteristics.
Observation:
- Two patients with stable angina presented with severe proximal anterior interventricular branch stenoses.
- Percutaneous balloon angioplasty was unsuccessful in improving the angiographic appearance of the stenoses in both cases.
- One stenosis was a short, spur-like 80% narrowing; the other was an eccentric, elastic 90% narrowing.
Findings:
- Directional coronary atherectomy was performed on both patients after failed balloon angioplasty.
- Atherectomy successfully removed the stenoses in both patients.
- Both patients experienced lasting clinical improvement following the atherectomy procedure.
Implications:
- Directional coronary atherectomy is a viable therapeutic option for specific complex coronary stenoses.
- Consider atherectomy in cases of severe coronary stenosis where balloon angioplasty proves ineffective.
- This approach can lead to significant and sustained relief from angina symptoms.
Abstract:
Coronary arteriography revealed severe stenoses of the proximal part of the anterior interventricular branch with normal ventricular function in two patients (aged 42 and 38 years) with stable angina and ischaemia reaction in the exercise ECG. In the first patient it was a short spur-like 80% narrowing. But percutaneous balloon angioplasty failed to change the angiographic appearance. In the other patient there was an eccentric, apparently elastic, 90% stenosis, about 10 mm long. Here, too, balloon angioplasty had failed. Subsequently directional coronary atherectomy in both patients achieved removal of the stenosis with lasting clinical improvement. Atherectomy should be considered in similar cases after failed balloon dilatation.