Sonographic Findings Associated With Carpal Tunnel Syndrome

The Journal of Hand Surgery
Lauren Elisabeth WesselDuretti Teferi Fufa

Abstract

The purpose of this study was to identify associations between the clinical manifestations of carpal tunnel syndrome (CTS) and the sonographic measurements of the median nerve in the carpal tunnel. We hypothesized that sonographic changes in the median nerve from proximal to distal along the carpal tunnel would be associated with symptom severity scores. We report on 38 patients with clinical signs and symptoms of CTS in a prospective investigation. Subjects underwent sonographic evaluation with measurement of median nerve cross-sectional area (CSA) at 3 locations: the level of the pronator quadratus, pisiform, and hamate. In addition, we measured dimensions of the carpal tunnel at the levels of the pisiform (inlet) and hamate (outlet). Finally, we recorded maximal thickness of the transverse carpal ligament (TCL). Patients underwent routine clinical evaluation and 31 patients had electrodiagnostic examination. Patients completed the Levine Katz Questionnaire (LKQ) to characterize severity of clinical symptoms. Each clinician was blinded to symptom severity scores. Pearson correlation coefficients were calculated to measure the relationship between LKQ score and sonographic measures. Median nerve CSA decreased over the course o...Continue Reading

Citations

Jul 16, 2021·Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists·Mia EricksonAnn Lucado
Jul 20, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Olivier FantinoJean-Baptiste Pialat
Dec 1, 2021·Plastic and Reconstructive Surgery·Lisa GfrererWilliam Gerald Austen

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