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Παρασκευή 11 Αυγούστου 2017

Are Extramedian Symptoms Associated with Peripheral Causes in Patient with Carpal Tunnel Syndrome? Electrodiagnostic and Ultrasonographic Study

Publication date: Available online 10 August 2017
Source:Journal of Electromyography and Kinesiology
Author(s): Basak Mansiz-Kaplan, Merve Akdeniz-Leblecicier, Ilker Yagci
ObjectiveTo evaluate the relationship between extramedian spreading of sensorial symptoms and median and ulnar nerve cross-sectional area (CSA) and to compare the ultrasonographic and electrophysiological findings in patients with carpal tunnel syndrome (CTS) with or without extramedian sensory symptoms.DesignCross-sectional studyMaterials and MethodsPatients with CTS were divided into two groups as with or without extramedian symptoms and were assessed clinically, electrophysiologically and ultrasonographically by three blind investigators. In electrophysiological tests, median and ulnar nerve conduction studies were performed. Nerve cross-sectional areas were measured at hook of hamate, psiform bone, radio-ulnar joint, one-third distal part of forearm, and medial epicondyle by ultrasonography.FindingsThe study was completed with 61 patients (108 hands). Extramedian symptoms were present in 31 patients (54 hands). Finger grip strength was lower, pain values ​​evaluated with visual analogue scale were higher in patients with extramedian symptoms (p <0.05). There was no statistically significant difference in electrophysiological and ultrasonographic parameters.ConclusionAccording to our results, extramedian symptoms are not related to nerve conduction studies or nerve ultrasonography, these symptoms may be explained with central sensitization in patient with CTS.



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