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Percutaneous transluminal coronary angioplasty (PTCA) in unstable angina
J A Parikh1, A D Abhyankar, G R Kane
1Department of Cardiology; LTMMC & LTMG Hospital, Sion, Bombay.
The Journal of the Association of Physicians of India
|January 1, 1993
Insights
Percutaneous transluminal coronary angioplasty (PTCA) showed a 91% initial success rate in selected unstable angina patients. However, 17% experienced recurrence within one year, indicating potential long-term challenges.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Medicine
Background:
- Unstable angina is a critical condition requiring timely intervention.
- Medical therapy can stabilize some patients but may not be sufficient for all.
- Percutaneous transluminal coronary angioplasty (PTCA) is a key revascularization technique.
Purpose of the Study:
- To evaluate the efficacy and outcomes of PTCA in highly selected patients with unstable angina.
- To assess the initial success rate and long-term recurrence after PTCA in this specific patient cohort.
Main Methods:
- A cohort of 33 patients with unstable angina and single-vessel disease (Type A lesion) was selected.
- Patients were initially stabilized with medical therapy where possible.
- Percutaneous transluminal coronary angioplasty (PTCA) was performed as the primary intervention.
Main Results:
- The initial success rate for PTCA was high, achieving 91% in the study group.
- A recurrence rate of 17% was observed at the one-year follow-up.
- The study focused on patients with specific lesion characteristics (Type A) and single-vessel disease.
Conclusions:
- PTCA offers a high initial success rate for carefully selected unstable angina patients with Type A lesions.
- Long-term surveillance is crucial due to a notable recurrence rate within the first year post-procedure.
- Further research may explore strategies to mitigate long-term recurrence in this patient population.
Abstract:
We performed percutaneous transluminal coronary angioplasty in 33 highly selected patients of unstable angina, a majority of whom were initially stabilized by medical therapy. All these patients had single vessel disease with type A lesion. The initial success rate was 91% with recurrence of 17% at the end of 1 year.