Related Experiment Videos
Sequential venous bypass grafts: results 10 years later
J T Christenson1, M Schmuziger
1Cardiovascular Surgery Unit, Hôpital de la Tour, Meyrin-Geneva, Switzerland.
The Annals of Thoracic Surgery
|February 1, 1997
Summary
Sequential vein bypass grafting shows excellent long-term outcomes for coronary artery disease patients. This technique offers improved angina class, high graft patency, and survival rates, facilitating complete myocardial revascularization.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Outcomes
- Vascular Grafting
Background:
- Study evaluated long-term outcomes of sequential vein bypass grafting in 92 coronary artery disease patients.
- All patients underwent coronary artery bypass grafting in 1984, receiving at least one sequential vein bypass graft.
Purpose of the Study:
- To assess the long-term efficacy and results of the sequential vein bypass grafting technique.
- To determine the patency rates and clinical outcomes of sequential vein grafts over a 10-year period.
Main Methods:
- Retrospective study of 92 patients with coronary artery disease.
- Follow-up included clinical evaluation and coronary angiography within 1 year of the study's endpoint (June 1995).
- Assessed angina class, functional class, left ventricular ejection fraction, and survival rates.
Main Results:
- 74% 10-year survival rate and 72% cardiac event-free survival rate.
- 76 of 89 sequential vein grafts were patent at 9-10 years postoperatively.
- Significant improvement in angina class for most patients; left ventricular ejection fraction remained stable.
Conclusions:
- Sequential vein bypass grafting demonstrates good long-term results, comparable to single grafting.
- The technique facilitates complete myocardial revascularization, especially beneficial for diffuse coronary artery disease.
- Optimal results may depend on the placement of the terminal anastomosis.