Direct bare metal needle puncture and balloon angioplasty in calcified plaques of the common femoral artery guided by angiography (“BAMBOO SPEAR”)

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Abstract

Background: Surgical endarterectomy for common femoral artery (CFA) disease is still considered the gold standard for treatment. Development of various techniques and devices has improved the clinical results of endovascular therapy (EVT) for CFA. However, severe conditions remain, especially for occlusive lesions owing to calcified plaque. We developed a useful technique for passing a lesion by directly penetrating the calcified plaque of the CFA using a bare metal needle and then passing through a balloon or dilating it. We named this technique “direct bare metal needle puncture and balloon angioplasty in calcified plaques of the common femoral artery guided by angiography” or “BAMBOO SPEAR.” Main text: This report describes our technique for crossing a lesion by directly penetrating the calcified plaque of the CFA using a needle. We report a case of a 73-year-old male with hemodialysis who presented with cyanosis and ischemic rest pain of both lower limbs. Control angiography showed total occlusion of the left CFA with a calcified plaque. We advanced a 21-G metal needle that was slightly curved into the blood vessel from where the lumen of the distal CFA was located. The needle was advanced into the center of the calcified plaque, while observing from multiple directions with a fluoroscopic guide. We succeeded in advancing the needle into the lumen of the distal external iliac artery. After guidewire crossing, intravascular ultrasound (IVUS) showed that guidewire was able to completely pass through the center of the calcified plaque. We could dilate the lesion by scoring balloon and drug-coated balloon. The final angiography showed sufficient results. We named this technique “direct BAre Metal needle puncture and BallOOn angioplaSty in calcified PlaquEs of the common femoral ARtery guided by angiography” (BAMBOO SPEAR). Conclusions: The BAMBOO SPEAR technique may be considered a useful option in EVT for occlusive CFA with calcified plaques.

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Hayakawa, N., Kodera, S., Arakawa, M., Hirano, S., Shakya, S., & Kanda, J. (2021). Direct bare metal needle puncture and balloon angioplasty in calcified plaques of the common femoral artery guided by angiography (“BAMBOO SPEAR”). CVIR Endovascular, 4(1). https://doi.org/10.1186/s42155-021-00217-7

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