• J. Tongji Med. Univ. · Jan 2000

    Comparative Study

    Effects of skeletonized versus pedicled internal thoracic artery grafts on free flow capacity during bypass.

    • Q Huang, O Wendler, F Langer, D Tscholl, and H J Schaefers.
    • Department of Thoracic and Cardiovascular Surgery, Tongji Hospital, Tongji Medical University, Wuhan 4300300.
    • J. Tongji Med. Univ. 2000 Jan 1; 20 (4): 308-10.

    AbstractThe free flow of skeletonized ITA grafts was compared with that of pedicled ITA grafts. One hundred patients with coronary artery diseases underwent elective CABG. In the group I (n = 50), the left ITA was dissected using the skeletonization technique. In the group II (n = 50), the ITA was harvested as a pedicled graft. Free flow of the ITA was recorded before and 15 min after intraluminal application of diluted papaverine. Mean arterial pressure was maintained at 9.31 kPa (70 mmHg). The results showed that before the application of papaverine, free flow of skeletonized and pedicled ITA grafts was identical between the two groups. After treatment with papaverine, the maximum free flow was significantly higher in the skeletonized ITA's in the group I (199.3 +/- 69.6 ml/min) than in the group II (145.7 +/- 70.3 ml/min, P < 0.05). There was on significant difference between the free flow after dilatation of the left and right ITA in the group I (left 199.3 +/- 69.6 ml/min, right 198.9 +/- 61.8 ml/min, respectively). It was concluded that preparation of the ITA with the skeletonization technique resulted in significantly higher free flow capacity than in pedicled grafts and would improve the results of arterial revascularization. The complication rate seems to be lower than with the conventional method.

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