Journal of Emergencies, Trauma, and Shock
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ANIMAL EXPERIMENTATION
Year : 2011  |  Volume : 4  |  Issue : 1  |  Page : 77-81

Treatment of major vein injury with the hemostatic fleece TachoSil by interposing a peritoneal patch to avoid vein thrombosis: A feasibility study in pigs


1 Department of Vascular Surgery, Haukeland University Hospital, Jonas Lies vei 65, 5021 Bergen, Norway
2 Department of Vascular Surgery, Haukeland University Hospital; Institute for Surgical Sciences, University of Bergen, Jonas Lies vei 65, 5021 Bergen, Norway

Correspondence Address:
Einar B Dregelid
Department of Vascular Surgery, Haukeland University Hospital, Jonas Lies vei 65, 5021 Bergen
Norway
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Source of Support: Nycomed Pharma AS, Norway, Conflict of Interest: None


DOI: 10.4103/0974-2700.76822

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Background : Vein lacerations in awkward locations are difficult to repair and carry high mortality. The hemostatic fleece, TachoSil, is effective in preventing intraoperative bleeding in different settings, but has not been recommended for use in large vein injury. TachoSil with a peritoneal patch interposed to avoid vein thrombosis has been reported as a method to obtain hemostasis in vein laceration, but further studies of this method are needed. Materials and Methods : A 1.5 × 1 cm defect was created in the vena cava in five pigs. A 26 × 32 mm peritoneal patch was applied on the coagulant side of a 48 × 48 mm TachoSil sheet, and used to cover the defect. Light compression with a wet sponge was applied for 3 min. No vascular suturing was performed. Results : Successful hemostasis was obtained in four out of the five pigs although the minimum TachoSil gluing zone surrounding the peritoneal patch was only 0-2 mm. The fifth pig died of hemorrhage 30 min after surgery due to a 4-mm stretch with no TachoSil gluing zone outside the peritoneal patch. At six days postoperatively the peritoneal patch was well integrated into the vein wall. After 28 days, the peritoneal patch was almost indiscernible from surrounding vein endothelium. Conclusions : Vein wall defects can be repaired using TachoSil with a peritoneal patch interposed to prevent contact between the thrombogenic TachoSil sheet and the vein lumen. An adequate TachoSil gluing zone all around the patch is essential.


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