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Elasticity Characteristics of Thenar Muscles in Carpal Tunnel Syndrome.
Ultrasound Med Biol
January 2025
Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA. Electronic address:
Objective: Measurement of thenar muscle elasticity by ultrasound shear wave elastography (SWE) may be useful for the diagnosis and evaluation of carpal tunnel syndrome (CTS), but there is a paucity of information on SWE of the thenar muscles in patients with CTS. The purpose of this study was to investigate the elasticity of the thenar muscles in patients with CTS.
Methods: Twenty-two adult patients with a referral diagnosis of CTS (27 hands) and 20 healthy volunteers as a control (20 dominant hands) participated in this study.
Case Report of a Hemangioblastoma Originating from the T1 Spinal Nerve Treated with in Toto Resection, Hemicorporectomy and Pedicle Screw Stabilization.
J Orthop Case Rep
May 2024
Department of Orthopedic Surgery, Aalborg University Hospital, Hobrovej 18-22, 9000 Aalborg C, Denmark.
Introduction: Previously, only 40 cases with extradural hemangioblastoma at the spinal nerve (none at the T1 nerve root) have been described in the medical literature. In toto, resection of this hypervascular tumor is essential to avoid bleeding complications. Surgery for hemangioblastoma at the cervicothoracic junction is complex and nerve resection of the T1 results in specific neurodeficits of the hand muscles which are not well known.
View Article and Find Full Text PDFOpponensplasty With Abductor Pollicis Brevis Rerouting for Types II and IIIA Hypoplastic Thumbs.
J Hand Surg Am
April 2024
Division of Orthopaedic Surgery, Department of Surgical Specialties, National Center for Child Health and Development, Tokyo, Japan.
Purpose: To evaluate the functional results after opponensplasty using an abductor pollicis brevis rerouting technique in type II and IIIA hypoplastic thumbs.
Methods: Eleven hypoplastic thumbs in nine children with type II and IIIA hypoplastic thumbs were treated with abductor pollicis brevis rerouting. The mean follow-up period was 70 months (range, 12-172 months).
Effect of intraoperative hand-grip position on surgical outcome of thumb carpometacarpal arthrodesis.
J Orthop Surg Res
December 2023
School of Medicine, China Medical University, Taichung, 404, Taiwan.
Article Synopsis
- A variety of surgical methods exist for treating thumb carpometacarpal joint osteoarthritis, but there is no consensus on the best approach, with arthrodesis showing high non-union rates and complications like reduced thumb function.
- This study evaluated a new intraoperative hand-grip positioning technique combined with T-hook plates in arthrodesis, aiming to improve postoperative outcomes such as pain relief, functional scores, and thumb motion.
- The results from twenty patients, after at least 12 months of follow-up, showed a 100% fusion rate with minimal complications, indicating the potential effectiveness of the new technique.
Analysis of the thenar muscles with ultrasound shear wave elastography: Reliability and preliminary findings.
Muscle Nerve
January 2024
Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Introduction/aims: Ultrasound shear wave elastography (SWE) of the thenar muscles has the potential to provide a simple and noninvasive assessment of the severity of carpal tunnel syndrome (CTS), but its reliability is unknown. The purpose of this study was to assess the intra- and inter-rater reliability of SWE measurements of the elastic modulus of individual thenar muscles, to assess their suitability for clinical application.
Methods: Fourteen healthy volunteers, seven male and seven female, participated in this study.
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