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[Indications for a multiple aortocoronary bypass]
Insights
Patients with ischemic heart disease often have multiple affected coronary arteries requiring surgical intervention. Multiple aorticocoronary shunts, averaging 2.3 per patient, are necessary for complete myocardial revascularization in diffuse coronary sclerosis.
Area of Science:
- Cardiovascular Surgery
- Interventional Cardiology
- Cardiac Anatomy
Background:
- Ischemic heart disease is a significant cause of morbidity and mortality.
- Diffuse coronary sclerosis affects multiple coronary arteries, complicating treatment.
- Myocardial revascularization is crucial for managing ischemic heart disease.
Purpose of the Study:
- To analyze the extent of coronary artery stenosis in patients with ischemic heart disease.
- To determine the optimal number and location of coronary artery bypass grafts for myocardial revascularization.
- To evaluate the feasibility of multiple shunting in diffuse coronary sclerosis.
Main Methods:
- Review of 101 patient coronarograms with ischemic heart disease.
- Examination of 400 coronary arteries to identify stenotic processes.
- Analysis of affected artery distribution and anatomical significance.
Main Results:
- A marked stenosing process was identified in 259 out of 400 examined coronary arteries (average 2.5 affected arteries per patient).
- Complete myocardial revascularization in diffuse coronary sclerosis requires restoring blood flow in several arteries.
- Aorticocoronary shunts are most frequently established on the anterior interventricular, right coronary, and diagonal/lateral branches of the left coronary artery.
- An average of 2.3 shunts are necessary per patient for effective revascularization.
Conclusions:
- Multiple coronary artery bypass grafting is essential for treating diffuse coronary sclerosis.
- The number of shunts should be tailored to the number, distribution, and physiological importance of affected coronary arteries.
- Surgical planning for myocardial revascularization must consider the complexity of multi-vessel coronary artery disease.
Abstract:
Coronarograms recorded from 101 patients with ischemic heart disease are appraised. Four hundred coronary arteries were examined, a marked stenosing process was found in 259, i. e. 2.5 affected arteries on the average per each heart. In diffuse coronary sclerosis, the most complete myocardial revascularization is only possible when the blood flow is restored in several coronary arteries. A shunt should be created on no more than 4 arteries. The anterior interventricular and right coronary arteries and the diagonal and lateral branches of the left coronary artery are used most frequently for establishing aorticocoronary shunts. The volume of the operation in multiple shunting is determined by the number of affected arteries and their anatomical distribution and physiological importance in the myocardial blood supply. It is necessary to create 2.3 shunts on the average.