Title: Knee dislocation
題目：膝關節脫位
Author 作者: Brian Corwell
翻譯：葛赟 校對：肖鋒
Following reduction and immobilization, a thorough vascular assessment should follow. Any signs of vascular injury should prompt immediate vascular consultation (pallor, absent or diminished pulses)
在復位內固定后，應該徹底地對血管進行評估。任何血管損傷的跡象都提示應立即進行血管科會診 （皮膚蒼白，血管搏動的減弱或消失）
1) Palpate popliteal and distal pulses
１）觸診腘窩遠端脈搏
2) Measure ankle-brachial index (*ABI) (<0.9 = abnormal)
２）測量踝肱指數 （* ABI） （< 0.9 = 異常）
3) Duplex ultrasound (if available)
３）多普勒超聲 （如果可行的話）
*ABI – ratio of SBP in lower (DP/PT) and upper (brachial) extremities.
*ABI — — 下肢 (DP/PT) 和上肢 (肱)的 收縮壓比值。
A) If strong pulses, normal ABI, and normal u/s, admit patient for observation with serial vascular examinations.
Ａ）如果ABI 和u/s正常，但脈搏搏動強烈，則需要給病人進行一系列的血管檢查。
B) If the limb is still well perfused but the pulses are asymmetric or ABI is abnormal or US is abnormal then consult vascular surgery and obtain arteriogram.
Ｂ）如果肢體血流灌注良好但是兩邊脈搏搏動是不對稱的或者ABI、US檢查不正常，那就需要請血管外科醫生會診，同時行動脈造影檢查。
C) If pulses are weak or absent or distal signs of ischemic limb then obtain emergent vascular consultation for surgical repair.
Ｃ）如果脈搏搏動較弱或者消失或者遠端肢體有缺血跡象，那么就需要血管外科急會診行修復血管手術。