 In Taiwan, about 75.92 of the elderlies above 65 years old suffered from chronic diseases or major diseases, especially in circulatory system. Thus, dramatic hemodynamic change is often observed in surgeries in this population. Due to osteoporosis and high-prevalence morbidities, trauma with fracture is quite common. These elderlies are more vulnerable to have complications, poor prognosis and decompensated organ functions. 