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Ann Thorac Surg 2002;73:1865
© 2002 The Society of Thoracic Surgeons

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Original article: cardiovascular

Invited commentary

^a Division of Cardiothoracic Surgery, Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Block B, 5A, Shatin, New Territories, Hong Kong, People’s Republic of China
^b Clinical Professor of Surgery, Department of Surgery, Oregon Health and Science University, Portland, OR USA

e-mail: gwhe@cuhk.edu.hk

	Introduction

 
Arterial grafts in coronary artery bypass grafting (CABG) are being increasingly used due to superior long-term patency. The left internal thoracic artery (ITA) and the radial artery (RA) are the two major grafts. Endothelial function of the grafts is vitally important in preventing vasospasm, particularly in the early postoperative period and in maintaining long-term patency [1, 2]. Endothelial cells produce a number of vasodilating substances that . . . [Full Text of this Article]

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