目的 评估腰丛神经阻滞在高龄患者髋关节手术中的应用价值。
Objective To evaluate the lumber plexus blockade as anesthesia technique for hip fracture repair in elderly patients.
比较正常腰丛神经的磁共振神经成像(MRN)测量数据和大体标本的差异。
To Compare the difference between the data of normal lumbar plexus nerve measured through Magnetic Resonance Neurography (MRN) with specimen.
目的：观察不同浓度罗哌卡因连续前路腰丛神经阻滞用于全膝关节置换(TKR)术后镇痛的效果。
Objective: to observe the effect of continuous anterior lumbar plexus block with different concentration ropivacaine on postoperative pain relief after total knee prosthesis (TKR).
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