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[Coronary angioplasty of multiple vessels and lesions in unstable functional class-IV angina]
E Frutos Rangel1, R García García, E Fernández Valadez
1Departamento de Cardiología, Hospital del Carmen, Guadalajara, Jalisco.
Insights
Percutaneous transluminal coronary angioplasty (PTCA) effectively treated unstable angina in high-risk patients with multiple lesions. This procedure achieved high success rates and improved patient outcomes without mortality.
Area of Science:
- Cardiology
- Interventional Cardiology
Context:
- Unstable angina (class IV) with multi-lesion or multivessel disease presents a high-risk clinical scenario.
- Percutaneous transluminal coronary angioplasty (PTCA) is a key intervention for coronary artery disease.
Purpose:
- To evaluate the efficacy and safety of PTCA in a select group of high-risk unstable angina patients.
- To assess the feasibility of achieving complete revascularization in patients with complex coronary artery disease.
Summary:
- Twenty-six high-risk unstable angina patients underwent PTCA, with a mean of 2.6 lesions treated per patient.
- An overall patient success rate of 96% and a per-lesion success rate of 95.7% were achieved.
- The study demonstrated no mortality, highlighting the safety of the procedure in this cohort.
Impact:
- PTCA can be a successful treatment strategy for complex coronary artery disease in unstable angina patients.
- Careful procedural execution is associated with high success rates and positive clinical outcomes in high-risk populations.
- This study supports PTCA as a viable option for achieving complete revascularization and improving angiographic results.
Abstract:
A select group of 26, class IV unstable angina patients that had multiple lesions or multivessel disease were treated with percutaneous transluminal coronary angioplasty (PTCA). Complete revascularization was the endpoint in all patients. Seventy lesions were dilated (mean = 2.6 lesions per patient). In the tandem multi-lesion group (13 patients) 2.23 lesions per patient were approached (Range 2-3) and in the multivessel disease group (13 patients) a mean of 3.15 lesions per patient were attempted (Range 2-6). An overall success rate of 96% per patient (25/26 patients) and 95.7% primary success per lesion were achieved with no mortality. We report the results of a select group of unstable angina patients with multi-lesion or multivessel disease who underwent PTCA. A careful performance was associated with high primary success in the high risk group achieving clinical and angiographic improvement.