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Is It Necessary to Use Dextran in Free Flap Surgery?  

Ahn, Hee Chang (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University)
Kim, Kee Woong (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University)
Lee, Young Jin (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University)
Kim, Yeon Hwan (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University)
Publication Information
Archives of Plastic Surgery / v.36, no.4, 2009 , pp. 393-396 More about this Journal
Abstract
Purpose: Low - molecular - weight dextran is one of the most frequently used antithrombotic agents in microvascular surgery, but there is controversy if it has the real benefit in the clinical aspects. The purpose of this study was to evaluate the effect associated with postoperative use of low - molecular - weight dextran in breast reconstruction by free TRAM flap patients. Methods: From January 2002 to October 2008, we reconstructed 88 cases of postmastectomy deformity using the free TRAM flap. The 88 cases were divided into two groups : a group with no use of dextran(66 patients, control group, Group A) and a postoperative low - molecular weight dextran loaded group(22 patients, Group B). We assessed number of flap survival, rate of complication like hematoma or seroma, total amount of drainage from operative wound, duration of drainage, and amount of transfusion in each group. Results: There was no total flap loss and every flap was survived. Total amount of drainage for post - operative 5 days were 857 ml in group A and 1101 ml in group B. Drain was kept for average of 7.3 days in group A and 8.7 days in group B. Packed red cell transfusions were made in average of 3.3 units for group A and 3.0 units for group B. Group B showed significantly higher values in former 2 comparative parameters than group A. Conclusion: There was no definitive advantage of anticoagulants in elective free - flap surgery in terms of success rate. However, groups with using anticoagulants had the increased bleeding tendency in immediate postoperative period. The routine use of anticoagulants in elective free - flap surgery should be reconsidered with postoperatively less bleeding and early recovery.
Keywords
free flap; anticoagulant; dextran;
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