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Myocardial revascularization with the lateral costal artery
A R Hartman1, K I Mawulawde, J P Dervan
1Division of Cardiothoracic Surgery, University Hospital, Stony Brook, New York.
The Annals of Thoracic Surgery
|May 1, 1990
Summary
The lateral costal artery, a branch of the internal mammary artery, shows promise as a coronary bypass graft. Its accessibility and arterial nature support its use in myocardial revascularization procedures.
Area of Science:
- Cardiovascular Surgery
- Anatomy
- Vascular Biology
Background:
- The internal mammary artery is a common arterial conduit for coronary revascularization.
- Anatomical variations and alternative arterial sources are crucial for complete arterial revascularization.
Purpose of the Study:
- To investigate the lateral costal artery as a potential in situ coronary bypass graft.
- To describe the harvesting and utilization techniques for this artery.
- To determine the frequency of the lateral costal artery.
Main Methods:
- Cadaveric dissections to identify and assess the lateral costal artery.
- Surgical technique description for harvesting the artery as an in situ graft.
- Initiation of a study to ascertain the prevalence of this vessel.
Main Results:
- The lateral costal artery, a branch of the internal mammary artery, was identified in 27% of cadaver series.
- The artery's anatomical similarities and accessibility suggest its utility for coronary bypass.
- The study aims to quantify the exact frequency of this anomalous vessel.
Conclusions:
- The lateral costal artery presents a viable option for coronary artery bypass grafting.
- Its availability, potentially bilateral, enhances the potential for complete arterial conduit myocardial revascularization.
- Further studies are warranted to confirm its prevalence and clinical efficacy.