• A mechanical microvascular anastomotic device, the Unilink system, was compared with sutures in terms of patency, anastomotic time, and histologic changes when a microvenous graft is placed in an arterial defect. Twenty rabbits underwent grafting of a 1.0-cm defect in both carotid arteries with a 1.5-cm reversed femoral vein graft. Anastomoses were performed with the Unilink system on one side and sutures on the other. Animals were killed at 2 weeks (10 animals) and 16 weeks (10 animals) with the vein grafts being assessed with clinical patency tests and then fixated for histologic evaluation.
Gilbert RW, Ragnarsson R, Berggren A, Östrup L. Microvenous Grafts to Arterial Defects: The Use of Mechanical or Suture Anastomoses. Arch Otolaryngol Head Neck Surg. 1989;115(8):970–976. doi:10.1001/archotol.1989.01860320080023
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