INTRODUCTION: The aim of this study was to assess the presence of (sub)luxation of the ulnar nerve in patients with ulnar neuropathy at the elbow (UNE) compared with healthy controls (HC). We assessed its clinical patterns, electrodiagnostic, and sonographic characteristics. METHODS: Using high-resolution sonography, we studied the incidence of (sub)luxation in a cohort of 342 patients and 70 HC. RESULTS: Subluxation occurred in 14% and luxation in 6.7% of the UNE patients versus 5.7% and 5.7%, respectively, in HC (no significant differences). Pain at the elbow occurred more often in patients with (sub)luxation (P = 0.007). Electrodiagnostic and sonographic findings did not differ between patients with or without (sub)luxation. CONCLUSIONS: The incidence of ulnar nerve (sub)luxation between patients with UNE and HC does not differ. UNE patients with (sub)luxation do not have specific clinical or electrodiagnostic findings, apart from experiencing pain at the elbow more often.
INTRODUCTION: The aim of this study was to assess the presence of (sub)luxation of the ulnar nerve in patients with ulnar neuropathy at the elbow (UNE) compared with healthy controls (HC). We assessed its clinical patterns, electrodiagnostic, and sonographic characteristics. METHODS: Using high-resolution sonography, we studied the incidence of (sub)luxation in a cohort of 342 patients and 70 HC. RESULTS: Subluxation occurred in 14% and luxation in 6.7% of the UNE patients versus 5.7% and 5.7%, respectively, in HC (no significant differences). Pain at the elbow occurred more often in patients with (sub)luxation (P = 0.007). Electrodiagnostic and sonographic findings did not differ between patients with or without (sub)luxation. CONCLUSIONS: The incidence of ulnar nerve (sub)luxation between patients with UNE and HC does not differ. UNE patients with (sub)luxation do not have specific clinical or electrodiagnostic findings, apart from experiencing pain at the elbow more often.
Authors: Kamal Mezian; Jakub Jačisko; Radek Kaiser; Stanislav Machač; Petra Steyerová; Karolína Sobotová; Yvona Angerová; Ondřej Naňka Journal: Front Neurol Date: 2021-05-14 Impact factor: 4.003