Related Experiment Videos
Predictors of adverse outcome 10 years after coronary angioplasty
C Espinola-Klein1, H J Rupprecht, R Erbel
1Second Medical Clinic, Johannes-Gutenberg University, Langenbeckstrasse 1, D-55101 Mainz, Germany.
Insights
Long-term outcomes after coronary angioplasty are predicted by patient factors, not lesion characteristics. Key predictors of adverse events include diabetes, multi-vessel disease, prior heart attack, and smoking.
Area of Science:
- Cardiology
- Interventional Cardiology
- Clinical Outcomes Research
Background:
- Percutaneous transluminal coronary angioplasty (PTCA) is a common procedure for coronary artery disease.
- Predicting long-term outcomes after PTCA is crucial for patient management.
- Understanding pre-procedural factors influencing long-term success is essential.
Purpose of the Study:
- To identify patient-related and lesion-specific factors that predict long-term outcomes 10 years after single-vessel PTCA.
- To analyze the impact of pre-procedural characteristics on adverse events such as death, myocardial infarction, bypass surgery, or repeat PTCA.
Main Methods:
- A retrospective analysis of clinical follow-up data from 535 patients who underwent single-vessel PTCA.
- Logistic regression analysis was used to evaluate 12 patient-related and 9 lesion parameters.
- Adverse events were tracked over a 10-year follow-up period.
Main Results:
- Mortality was significantly increased in patients with diabetes, multi-vessel disease, a history of myocardial infarction, and in smokers.
- Multi-vessel disease, higher angina class symptoms, and younger age were associated with an increased risk of requiring bypass surgery.
- Lesion characteristics, such as distal stenosis location and larger minimal luminal diameter before PTCA, showed a decreased risk for bypass surgery.
Conclusions:
- Multi-vessel disease, diabetes, smoking, and prior myocardial infarction are independent clinical predictors of adverse outcomes 10 years post-coronary angioplasty.
- Pre-procedural lesion parameters appear less critical for determining long-term outcomes compared to patient-related factors.
Unlabelled:
To determine which factors before percutaneous transluminal coronary angioplasty (PTCA) predict long-term outcome, we evaluated the clinical follow-up data from 535 patients 10 years after single-vessel PTCA. Events were defined as death, myocardial infarction, bypass surgery or repeat PTCA. During the follow-up period 79 patients (15%) died, 59 patients (11%) suffered a myocardial infarction, 107 patients (20%) had coronary artery bypass surgery and 141 patients (26%) underwent a redilatation. To determine the predictors of 10-year follow-up, 12 patient-related and 9 lesion parameters were analyzed by logistic regression analysis. Mortality was independently increased in patients with diabetes, with multi-vessel disease, after a previous myocardial infarction and in smokers. The presence of multi-vessel disease, symptoms of a higher angina class and younger age increased the risk for undergoing bypass surgery. In the statistical model with lesion parameters, the risk of bypass surgery was decreased if the stenosis was located in the distal segment of the coronary vessel and by a higher minimal luminal diameter before PTCA.
Conclusion:
Logistic regression analysis identified multi-vessel disease, diabetes, smoking and a previous myocardial infarction as independent clinical predictors of an adverse outcome 10 years after coronary angioplasty. Lesion parameters before PTCA seem to be less important with regard to the long-term outcome after PTCA.