Surgical Ablation Devices Yosuke Ishii 1 1Department of Cardiovascular Surgery, Nippon Medical School Keyword: conduction block , ablation , left atrial clip pp.794-799
Published Date 2018/9/30
DOI https://doi.org/10.15106/j_kyobu71_794
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Fundamental procedure of arrhythmia surgery is to bock conduction of macro-reentry or focal activation. Traditional “cut and sew” technique is effective to make a conduction block without any special devices although it is time consuming and there is some bleeding risk. Surgical ablation devices are easily able to make a conduction block during surgery. It could undergo the minimally invasive cardiovascular surgery (MICS) -maze procedure through the right mini thoracotomy. It is most important to make complete conduction block because incomplete ablation causes residual conduction, resulting in recurrence of atrial fibrillation or atrial tachycardia. Moreover, the left atrial clip is new surgical treatment for atrial fibrillation. This device could avoid thrombus formation and make a conduction block arising from the left atrial appendage.

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