Related Experiment Videos
Surgical treatment for severe coronary heart disease--its indication and result
Insights
Surgery for severe coronary heart disease yields varying outcomes. Emergency surgery is vital for acute myocardial infarction complications, while stable angina patients show good results. Unstable angina and heart failure require careful timing of interventions.
Area of Science:
- Cardiology
- Cardiac Surgery
- Cardiovascular Disease
Background:
- Controversies persist in managing severe coronary heart disease.
- Surgical outcomes for different patient groups require clarification.
Purpose of the Study:
- To analyze surgical outcomes in severe coronary heart disease patients.
- To provide evidence-based recommendations for surgical timing and management.
Main Methods:
- Retrospective analysis of 147 patients undergoing surgery over 6 years.
- Classification of patients into four groups based on clinical presentation and disease severity.
- Comparison of surgical mortality rates across the four groups.
Main Results:
- Mortality rates varied significantly: 45.5% for mechanical complications in acute myocardial infarction, 11.1% for unstable angina, 6.6% for congestive heart failure, and 3.9% for stable angina with complex disease.
- Emergency surgery for acute myocardial infarction with mechanical complications showed high mortality but was deemed necessary in specific cases.
- Unstable angina patients with significant coronary vasospasm may not benefit from immediate surgery.
- Early surgical intervention for congestive heart failure and favorable outcomes for stable angina with left main/triple-vessel disease were observed.
Conclusions:
- Emergency surgery is indicated for acute myocardial infarction with mechanical complications, even in the acute phase, if shock persists.
- Urgent surgery for unstable angina is necessary for severe organic lesions, but medical management should precede surgery if vasospasm is prominent.
- Surgery for congestive heart failure should be performed before the condition becomes severe.
- Surgical results for stable angina with left main trunk and/or triple-vessel disease are satisfactory.
Abstract:
There still remain several controversies in the treatment of severe coronary heart disease. We examined 147 patients who underwent surgery during the past 6 years. These patients were classified into the following 4 groups: 1) patients with serious mechanical complications, such as ventricular septal perforation and cardiac rupture, in the acute stage of myocardial infarction (11 patients), 2) unstable angina (45 patients), 3) those with congestive heart failure (15 patients) and 4) stable angina with left main trunk and/or triple-vessel disease (76 patients). Surgical mortality rates in each group were 45.5, 11.1, 6.6 and 3.9%, respectively. It was concluded: 1) In the patients with mechanical complications in acute myocardial infarction emergency surgery should be undertaken even in the acute stage, if cardiogenic shock has deteriorated despite the use of intraaortic balloon pumping. 2) The necessity of urgent surgery of patients with unstable angina who have severe organic lesions is self-evident. In some patients, however, coronary vasospasm played a significant role in its clinical manifestations and surgery at this stage was not satisfactory. Medical treatment should precede the surgery. 3) In patients with early symptoms of congestive heart failure surgery should be performed before heart failure ensues. 4) Results of the surgery for stable angina with left main trunk and/or triple-vessel disease were satisfactory.