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Korean Journal of Anesthesiology 2007;52(6):707-711.
DOI: https://doi.org/10.4097/kjae.2007.52.6.707   
Opposite Sciatic Nerve Injury after Fixation of Femur Shaft Fracture: Two case reports.
Kyung Sil Im, Yong Soon Kwon, Hyun Ju Jung, Jong Bun Kim, Jae Myeong Lee, Min Hye Lee
1Department of Anesthesiology and Pain Medicine, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Korea. jaemng@yahoo.co.kr
2Department of Obstetrics and Gynecology, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea.
A sciatic nerve injury as a complication of the position appears to be rare. There are several reports on sciatic nerve injuries that occurred as complications of the lithotomy position. We present two cases of an opposite sciatic nerve injury after the fixation of a femur shaft fracture. Two patients complained of hyperesthesia of the right foot and a foot drop after surgery. Nerve conduction and electromyographic studies were performed, which revealed a sciatic nerve injury. The patients were treated with physiotherapy and an ankle-foot orthotic. In the case 1, patient had completely recovered ten months after surgery. However, in case 2, the patient still had residual hyperesthesia and weakness two months after surgery when he was lost to follow-up. The mechanism of nerve injury in these patients was a stretching of the nerve. Tension was placed on the nerve as a result of the external rotation of the thigh with the hip and knee joints flexed.
Key Words: complication; position; sciatic nerve injury


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