
超声引导下不同注药方向腰麻在老年肥胖患者膝关节手术中的应用效果比较*
左小明① 刘琳① 蒋玉荣①
超声引导下不同注药方向腰麻在老年肥胖患者膝关节手术中的应用效果比较*
Comparison of Ultrasound Guided Lumbar Anesthesia with Different Injection Directions in Knee Surgery of Elderly Obese Patients
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