Result: Compared with CEA, PVB has significant higher PaO2, has the same VAS in still state with the CEA while different VAS in movement, and the accumulated usage of marphine is , the PVB has
octogenarians. Methods Long stent or multiple overlapped stents implantation was performed on 111 diffuse native coronary lesions ( Group O : 47 lesions in 44 octogenarians ; Group Y: 64 lesions in 58