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  • Title: A "double crossover technique" in an obese patient undergoing transfemoral transcatheter aortic valve implantation: How to accomplish hemostasis percutaneously?
    Author: Onishi H, Naganuma T, Nakamura S.
    Journal: Cardiovasc Revasc Med; 2017 Sep; 18(6):440-444. PubMed ID: 28941480.
    Abstract:
    Percutaneous transfemoral transcatheter aortic valve implantation (TF-TAVI) is generally an acceptable procedure but may be associated with vascular complications at femoral access sites, particularly in obese patients. This report aimed to describe a case of successful performance of our "double crossover technique" in an obese patient undergoing TF-TAVI with a percutaneous transfemoral intra-aortic balloon pump (TF-IABP). A 75-year-old man presented with heart failure due to a left ventricular ejection fraction of 35% and low-flow, low-gradient severe aortic stenosis. The logistic EuroSCORE and STS-PROM score were 31.38% and 7.311%, respectively. Right TF-TAVI using a 14-Fr expandable sheath and a left TF-IABP using an 8-Fr sheath were scheduled. The patient was obese, with a body mass index of 31.7kg/m2, and we expected access site-related vascular complications to occur. Subsequently, we performed a femoral and brachial crossover technique, called the "double crossover technique," at the completion of the TAVI procedure: first, for the right common femoral artery (CFA) through the sheath in the left CFA and second, for the left CFA through the sheath in the right brachial artery. In the crossover technique, an 8.0-mm-diameter over-the-wire balloon was advanced to an external iliac artery and was subsequently inflated when the sheath was removed. For the right CFA, a double preclose technique was used with the crossover technique. There was no evidence of access site-related vascular complications following TAVI. The double crossover technique was effective at achieving hemostasis and avoiding access site-related vascular complications in an obese patient undergoing TF-TAVI with a TF-IABP.
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