الفهرس 
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Abstract
Coronary artery bypass graft (CABG) surgery is believed to be the cornerstone for the management of multi-vessel severe coronary artery disease. Different conduits and grafts have been used and various studies were done to improve surgical results.
The internal mammary artery (IMA) is considered the best choice conduit due to its association with significant advantages in short and long-term outcomes and better improvement of patients’ survival after CABG surgery.
Given its longterm survival benefit, surgeons seek to harvest the IMA in the best available way to attain both short-term and long-term usefulness.
There are two techniques widely used for harvesting IMA: pedicled and skeletonized techniques. The pedicled method is conducted by dissecting the artery in association with its veins, fascia, adipose tissue, and lymphatics from the chest wall, while skeletonization is conducted by dissecting the IMA only without the surrounding structures.
This study was conducted to explore the short term clinical outcome of skeletonized internal mammary artery harvesting versus pedicled internal mammary artery harvesting in coronary bypass surgery.
This study was performed on 100 adult consecutive patients who required open heart surgery for isolated elective coronary artery bypass graft (CABG) after exclusion of patients who required bilateral internal mammary harvesting and patients who were unable to follow up.
Patients were divided according to surgeons’ preference into two equal groups one group had skeletonized internal mammary artery harvesting and the other group had pedicled internal mammary artery harvesting
After statistical analysis of the results, it was found that skeletonized technique was associated with less post operative drainage in comparison to pedicled technique which was statistically significant difference.
There was no significant difference between pedicled technique and skeletonized technique as regard post operative mechanical ventilation time.