紀要論文 Experimental evaluation and training of stent clot retrieval : the confront clot scrambling method

Ohshima, Tomotaka  ,  Goto, Shunsaku  ,  Yamamoto, Taiki  ,  Ishikawa, Kojiro

79 ( 3 )  , pp.401 - 406 , 2017-08 , Nagoya University Graduate School of Medicine, School of Medicine
ISSN:0027-7622
内容記述
The introduction of stent retrievers has changed the methods used for acute intracranial thrombectomy, but the training approach has not been discussed enough. We, therefore, aimed to establish a simple skill up method which can be used to train anytime and anywhere with low costs. Also, we introduce our experimental confront clot scrambling method (CCSM) which makes a profitable visualization in how the stent retriever works. The CCSM involved a sham clot set in the middle of a polyvinyl chloride tube, after which two stent retrievers were navigated from each side before being simultaneously withdrawn with the same force. The stent that removes the sham clot is determined to have stronger clot retrieval ability. Several adjunctive techniques were also compared. The push and fluff adjunctive technique was the most effective among all the stents. Generally, the former deployed stent was stronger than later one. Therefore, the later deployed stent with the push and fluff technique lets us know whether the physician’s maneuver worked well or not. CCSM could directly evaluate the ability of adjunctive techniques with each stent retriever and demonstrate the physicians’ skills. Because the actual endovascular clot retrieval requires extreme fine maneuvers against invisible vessels, repeat training is very important especially in beginners.
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