Division of Cardiology, Baylor University Medical Center/Jack and Jane Hamilton Heart and Vascular Hospital, Dallas, Texas 75226, USA.
Ann Thorac Surg. 2011 Mar;91(3):894-8. doi: 10.1016/j.athoracsur.2010.11.029.
The Hexalon system (Castlewood Surgical, Inc, Dallas, TX) is a new device that facilitates a clampless, hand-sutured, vein-to-aorta anastomoses in no-touch off-pump coronary artery bypass surgery. Hexalon-facilitated anastomoses are structurally equivalent to traditional sutured anastomoses, but can be placed during off-pump coronary artery bypass surgery. It follows that these facilitated anastomoses would show similar patency rates to traditional sutured anastomoses. This is the first published data validating mid-term patency of Hexalon-facilitated anastomoses.
Evaluation of bypass grafts by cardiac computed tomography angiography is highly accurate and has increasingly been used to assess graft patency in anastomotic device feasibility trials. We studied 15 proximal Hexalon-facilitated anastomoses for patency in 10 patients at least 6 months after off-pump coronary bypass surgery using gated cardiac computed tomography angiography.
All 15 facilitated anastomoses were patent. All 10 CT studies were of sufficient quality for accurate interpretation.
The Hexalon system is a new and potentially valuable tool in advancing off-pump coronary artery bypass surgery.
Hexalon 系统（Castlewood Surgical，Inc，达拉斯，TX）是一种新的装置，可在非接触式不停跳冠状动脉旁路移植术中实现无夹具、手工缝合的静脉到主动脉吻合。Hexalon 辅助吻合与传统缝合吻合在结构上等效，但可在非体外循环冠状动脉旁路移植术中进行。因此，这些辅助吻合的通畅率应该与传统缝合吻合相似。这是第一个验证 Hexalon 辅助吻合中期通畅率的已发表数据。
心脏计算机断层血管造影术对旁路移植术的评估具有高度准确性，并越来越多地用于评估吻合装置可行性试验中的吻合通畅率。我们使用门控心脏计算机断层血管造影术研究了 10 例患者在非体外循环冠状动脉旁路移植术后至少 6 个月时的 15 个近端 Hexalon 辅助吻合的通畅情况。
所有 15 个辅助吻合均通畅。所有 10 项 CT 研究的质量均足以进行准确解读。
Hexalon 系统是推进非体外循环冠状动脉旁路移植术的一种新的、有潜在价值的工具。
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