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。
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.
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