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[Repeated recurrences after balloon dilatation--dilate or operate?]
C Vallbracht1, G Kober, B Kunkel
1Zentrum der Inneren Medizin, Abteilung für Kardiologie, Johann-Wolfgang-Goethe-Universität, Frankfurt.
Zeitschrift Fur Kardiologie
|July 1, 1987
Summary
Repeat angioplasty effectively treats coronary artery restenosis, even in cases of recurrent restenosis. This procedure offers a viable therapeutic option with good long-term outcomes for patients experiencing multiple restenosis events.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Medicine
Context:
- Transluminal coronary angioplasty (TCA) is a common procedure for treating coronary artery stenosis.
- Restenosis, the re-narrowing of a treated artery, can occur after initial angioplasty.
- Understanding the efficacy of repeat angioplasty for recurrent restenosis is crucial for patient management.
Purpose:
- To evaluate the success and long-term outcomes of repeat transluminal coronary angioplasty (TCA) in patients with recurrent coronary artery restenosis.
- To assess the characteristics and changes in recurrent stenoses treated with repeat dilatations.
- To determine the safety and effectiveness of repeat angioplasty as a therapeutic strategy for complex restenosis cases.
Summary:
- A study of 333 patients found an initial restenosis rate of 15% after successful transluminal coronary angioplasty (TCA), with higher rates in bypass grafts and reopened vessels.
- Repeat angioplasty for restenosis demonstrated a high primary success rate (93%) and low complication rate (2%), though 33% experienced recurrent restenosis.
- In patients with multiple restenoses, repeat dilatations led to decreased stenosis severity, reduced eccentricity and length, and improved exercise tolerance, with good long-term results in 8 out of 11 assessed patients.
Impact:
- Repeat angioplasty is a safe and effective treatment for patients with recurrent coronary artery restenosis, improving both anatomical and functional outcomes.
- This study supports the consideration of repeat angioplasty as a valuable therapeutic option for managing complex and recurring coronary artery lesions.
- Findings suggest that serial repeat dilatations can progressively reduce stenosis severity and improve patient exercise capacity, even in challenging cases.