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Peroneal nerve dysfunction after high tibial osteotomy. An anatomical cadaver study
S Aydoğdu1, H Yercan, C Saylam
1Department of Orthopedics, School of Medicine, Ege University, Bornova, Izmir, Turkey.
Acta Orthopaedica Belgica
|September 1, 1996
Summary
High tibial osteotomy requires careful fibular osteotomy to avoid peroneal nerve injury. This study details the nerve
Area of Science:
- Orthopedic surgery
- Anatomy
Background:
- High tibial osteotomy (HTO) is a common procedure for knee osteoarthritis.
- Neurological complications, particularly peroneal nerve injury, can occur during HTO.
Purpose of the Study:
- To investigate the anatomical relationship between the peroneal nerve and the fibular osteotomy site in HTO.
- To provide guidelines for safe fibular osteotomy during HTO.
Main Methods:
- Anatomical study on 13 human cadavers.
- Detailed measurements of the common peroneal nerve's proximity to the fibular head and neck.
- Identification of the branching patterns and distances of the deep and superficial peroneal nerves.
Main Results:
- The common peroneal nerve is located 3-6 mm from the posterior fibular head/neck.
- Peroneal nerve branches are 22-28 mm distal to the fibular apex.
- The extensor hallucis longus (EHL) muscle is innervated by branches 74-82 mm distal to the fibular apex.
Conclusions:
- Fibular osteotomy for HTO should be performed at the junction of the middle and distal thirds of the fibula.
- Avoid excessive medial and anterior displacement of fibular fragments.
- Resect small fibular segments in severe deformities requiring significant correction to prevent nerve damage.