Background: Continuous femoral or lumbar plexus blocks have been demonstrated to provide effective postoperative analgesia of the lower extremity following total joint arthroplasty.
背景：已经证明持续股神经阻滞或者腰丛阻滞可以有效的提供下肢关节置换术后疼痛的管理。
Lower extremity DVT and PE are the cause of high mobility and mortality in patients following joint replacement.
下肢深静脉栓塞和肺栓塞是导致关节置换后患者高致残率和高死亡率的主要原因。
Conclusions There is an increased, but low, early postoperative mortality following lower extremity joint replacement surgery.
结论：下肢关节置换术后早期死亡率会增高，但幅度较低。
High risk factors for lower extremity DVT include poor condition, other diseases, surgical trauma due to joint replacement, anesthesia method, operative time, fixation way and long-term bed rest.
患者的全身状况差，合并其他疾病，关节置换手术创伤，手术麻醉方法，手术时间延长，肢体固定以及长期卧床都是下肢深静脉血栓形成的高危因素。
High risk factors for lower extremity DVT include poor condition, other diseases, surgical trauma due to joint replacement, anesthesia method, operative time, fixation way and long-term bed rest.
患者的全身状况差，合并其他疾病，关节置换手术创伤，手术麻醉方法，手术时间延长，肢体固定以及长期卧床都是下肢深静脉血栓形成的高危因素。
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