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Original Article



Prevalence of Accessory Deep Peroneal Nerve in Sample of Bosnia and Herzegovina Subjects: an Electrophysiological Study

Osman Sinanovic, Sanela Zukic, Mirsad Muftic, Nihad Tinjic.




Abstract

Background: The accessory deep peroneal nerve (ADPN) is as an anomalous nerve derived from the superficial peroneal nerve or its branch and supplies motor innervations for extensor digitorum brevis (EDB) and sensory innervations for the lateral part of the ankle and foot regions. It is the most common anomalous innervation present in the lower limb. Objective: The aim of this study was to determine the prevalence of ADPN electrophysiologically in a sample of Bosnia and Herzegovina subjects who referred to an electromyography lab. Methods: This cross-sectional descriptive study included 316 lower limbs from 171 subjects referred for electrodiagnostic studies to Electromyography Lab, Department of Neurology, University Clinical Center Tuzla (Bosnia and Herzegovina) (102 females/60% and 69/40%) males). Motor nerve conduction studies for the peroneal nerve and ADPN were done. Compound muscle action potential (CMAP) and nerve conduction velocity (NCV) of deep peroneal nerve (DPN) were measured by using EMG machine by stimulating DPN at knee, ankle and lateral malleolus areas accordingly, with recording from extensor digitorum brevis (EDB) muscle. Results: ADPN was found in 46 (14.5%) of 316 legs. ADPN was found in 18 (39.1%) right lower limbs and 28 (60.9%) left lower limbs. Ten subjects (5.8%) had bilateral ADPN. There was no statistically significant difference between the occurrence of ADPN in women versus men (p=0.757), as well as in right versus left legs (p=0.237). Conclusion: This study demonstrated that ADPN prevalence, in a sample of Bosnia and Herzegovina subjects who referred to an electromyography lab is 14.5%. Recognition of ADPN is very important for proper interpretation of lower limbs electrophysiological data.

Key words: Accessory deep peroneal nerve, Neurophysiology, Clinical significance.






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