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Surgical treatment of left main coronary stenosis. Notes on 179 consecutive patients
G A Contini1, G Barboso, S A Contini
1Department of Cardiovascular Surgery, University of Parma, Italy.
Insights
Surgery for left main coronary artery stenosis shows good long-term survival (91.6%) and symptom relief for most patients. Risk factors like female sex and heart failure impact outcomes.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
Background:
- Left main coronary artery stenosis is a critical condition requiring surgical intervention.
- Understanding surgical outcomes and risk factors is crucial for patient management.
Purpose of the Study:
- To evaluate the clinical, hemodynamic, and angiographic data of patients undergoing surgery for left main coronary artery stenosis.
- To assess early and late postoperative results, including mortality and symptom recurrence.
Main Methods:
- Retrospective analysis of 179 consecutive patients operated on for left main coronary artery stenosis.
- Univariate analysis to identify incremental risk factors for adverse outcomes.
Main Results:
- Operative mortality was 3.9%, with female sex, unstable angina, and congestive heart failure as significant risk factors.
- Late postoperative mortality was 4.9%, and overall survival at 31 months was 91.6%.
- 16.4% of survivors experienced recurrent angina, but it was less severe and medically controlled.
Conclusions:
- Surgical intervention for left main coronary artery stenosis offers favorable long-term survival and symptom improvement for the majority of patients.
- Identifying and managing risk factors can potentially improve surgical outcomes and reduce mortality.
Abstract:
The authors report the clinical haemodynamic and angiographic data and early and late postoperative results of 179 patients consecutively operated on for left main coronary artery stenosis. Operative mortality was 3.9%; incremental risk factors were identified by univariate analysis and included female sex, unstable angina pectoris and congestive heart failure. Late postoperative mortality was 4.9%. After a mean follow-up of 31 months overall survival is 91.6%; the great majority of survivors are doing well, free from anginal pain, while 16.4% of patients experience recurrent angina pectoris of lesser severity than before operation (I-II C.C.S. class) and well controlled by medical treatment alone.