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J Thorac Cardiovasc Surg 2005;129:1192-1193
© 2005 The American Association for Thoracic Surgery

Brief Communications

Is there any change in free flow of pedicled left internal thoracic artery conduit at varying degrees of clockwise twist up to 360°?

Apurba Kumar Sarma, MCh*, Sai Kiran Krishnamurthy Venkata Sathya Siva, MS, Jayakumar Karunakaran, MCh, Neelakandhan Kurur Sankaran, MCh

Department of Cardio-vascular and Thoracic Surgery, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, Kerala, India.

Received for publication June 20, 2004; revisions received September 3, 2004; accepted for publication September 22, 2004.

* Address for reprints: Apurba K. Sarma, MCh, Flat No. B 2, New Faculty Building, SCT Housing Colony, Kumarapuram, Poonthi Rd, Thiruvananthapuram, Kerala, India 695 011 (E-mail: drapurbaks@yahoo.co.uk).

The first 20% of the full text of this article appears below.


Figure 1
Dr Sarma


Twisting of the aorta-coronary venous conduits is an extremely uncommon occurrence and has been reported by Roberts and colleagues1 with fatal outcome. There is a reported case of a twisted pedicled left internal thoracic artery (LITA) graft as well in which the patient survived, and the follow-up coronary angiogram revealed a patent LITA with good distal runoff.2 However, there are no published data in the English-language literature (PubMed, MEDLINE) regarding measurement of free flow from a pedicled LITA conduit in different degrees of twist. Therefore, to determine its significance on free flow, we studied the effect of varying degrees of clockwise twist of the LITA up to 360°.

Patients and methods

During the period from September 2003 through November 2003, 24 patients posted for elective coronary artery bypass grafting with standard cardiopulmonary bypass were entered into the study after approval from a departmental review committee and prior informed consent. The . . . [Full Text of this Article]






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