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Hospital Universitario de Canarias, University of La Laguna, Department of Thoracic and Cardiovascular Surgery, Tenerife 38320, Spain
(Email: drmartinezsanz{at}hotmail.com).
We agree with Dr Savage and colleagues conclusions [1] regarding possible limitations in the use of both internal thoracic arteries (BITA) in diabetic patients. Despite the excellent mid-term and long-term results using BITA in both permeability rates and survival and cardiac adverse events free curves, only 4% of cardiothoracic surgeons use it in North America [2]. We could state that choosing the routine use of BITA in surgical coronary revascularization is the "politically correct" option [3, 4] from an academic perspective, although statistics reveal that only few are using it.
However, the use of BITA is not always advantageous because it can increase the prevalence of sternotomy-related complications due to the induced ischemia in the side-sternal area after dissecting BITA collaterals. This is especially clear in diabetic patients, in particular if they are old, female, obese or bronchitic [1–5]. Therefore, we think that the use of BITA in diabetic patients should be reconsidered based on the presence of these comorbidities, and that it should probably be discarded if two or more coexist, regardless of the skeletonizing of BITA and an aggressive insulin treatment during early post-surgery to avoid the risk of deep wound infection [2, 6].
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E. B. Savage Reply Ann. Thorac. Surg., February 1, 2008; 85(2): 690 - 690. [Full Text] [PDF] |
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