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J Thorac Cardiovasc Surg 2003;126:2116
© 2003 The American Association for Thoracic Surgery
Letter to the editor |
Department of Cardiac Surgery, University Hospital of Angers, Angers, France
| The first 20% of the full text of this article appears below. |
To the Editor:
Johnell and colleagues1 recently reported the improved biocompatibility of a new heparin-coated surface. They also presented results after modifications of the anticoagulation protocol. They concluded that a low dose of systemic heparin might not be sufficient to maintain the antithrombotic activity and that a high dose resulted in increased blood activation.
The design of the study merits discussion; otherwise, the conclusion might be misunderstood. In particular, the reduction of anticoagulation, even combined with a thromboresistant extracorporeal circuit, might appear detrimental for patients undergoing cardiopulmonary bypass (CPB). The basis for a safe low anticoagulation protocol in combination with
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J. Thorac. Cardiovasc. Surg. 2003 126: 2117.
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