?-Irradiation with a liquid ~(188)Re-filled balloon prevents neointimal proliferation in the carotid rabbit / 中国介入心脏病学杂志

ABSTRACT

Objective To evaluate the role of ?-irradiation with a liquid 188Re-filled balloon for limiting neointimal proliferation. Methods Balloon overstretch injury was performed in carotid arteries of 12 rabbits and randomly assigned to two groups the control group (n=6) and the radiation group (n=6), using the liquid 188Re-filled balloon designed to deliver 15 Gy at 0.5 mm from the surface of vessel. All animals survived and were sacrificed in 1 week. Histopathologic analysis was performed. Results The intimal area of radiation group was significantly smaller than that of the control group [(0.04?0.06) mm 2 vs (0.16?0.04) mm 2, P