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Morphological changes to peripheral joints supporting thumb trapezial metacarpal osteoarthritis.
J Biomech
January 2025
Department of Orthopaedic Surgery, Chase Hand Center, Stanford University, Stanford, CA, United States.
The present study aims to determine if morphological differences of the scaphoid, trapezoid, and second metacarpal are associated with thumb osteoarthritis by comparing three-dimensional bone models of healthy controls and osteoarthritis patients. Fifty-eight patients with moderate to severe thumb osteoarthritis (modified Eaton ≥ II) and 35 healthy controls from a larger completed investigation were examined. To quantify morphological variations, a statistical shape model was created that classified binary with respect to the Eaton grading system: non-osteoarthritis or moderate/severe osteoarthritis (II-IV).
View Article and Find Full Text PDFAccuracy of a Superficial Landmark of the Recurrent Branch of the Median Nerve and Anatomical Features of Transverse Muscle Fibres Observed During Carpal Tunnel Release.
J Hand Surg Asian Pac Vol
January 2025
Department of Orthopaedic Surgery, Graduate School of Medicine, Chiba University, Chiba, Japan.
Surgeons use anatomical landmarks like the scaphoid tubercle, pisiform, trapezial tubercle and hook of hamate, along with Kaplan cardinal line (KCL) to avoid injury to the recurrent motor branch (RMB) of the median nerve during carpal tunnel release. The presence of transverse muscle fibres (TMF) overlying the transverse carpal ligament (TCL) may suggest proximity of the RMB, but their anatomical relationship is unclear. In this study, we evaluated the accuracy of anatomical landmarks to the RMB, TMF origin and insertion, and examined the relationship between TMF presence and RMB running patterns.
View Article and Find Full Text PDFTrapezium reconstruction with pisiform autograft in trapeziometacarpal revision arthroplasty: a case report.
Hand Surg Rehabil
December 2024
Chirurgie de la Main, du Poignet et du Coude, Hôpital Privé Saint Roch, Toulon, France.
Article Synopsis
- * After 18 months post-surgery, the patient achieved a significant recovery, regaining comfort and returning to her daily activities.
- * The study's level of evidence is categorized as IV, indicating lower quality evidence based on case reports or expert opinions.
Functional outcome of trapeziometacarpal prostheses in pan-trapezial osteoarthritis.
Hand Surg Rehabil
November 2024
Hand Surgery Department, François-Xavier Michelet Center, Bordeaux University Hospital, Place Amélie Raba-Léon 33000 Bordeaux, France.
Trapeziometacarpal osteoarthritis is frequently associated with scaphotrapeziotrapezoid osteoarthritis. Long-term outcomes have not been reported for trapeziometacarpal protheses in patients with radiological pan-trapezial osteoarthritis that is symptomatic only in the trapeziometacarpal compartment. The primary objective of this retrospective multicenter multi-operator study was to evaluate the effectiveness of trapeziometacarpal arthroplasty for pain relief in patients with radiographic pan-trapezial osteoarthritis without symptomatic scaphotrapeziotrapezoid involvement.
View Article and Find Full Text PDFMid-Term Outcomes Following Trapeziectomy With Suture Suspensionplasty for Thumb Carpometacarpal Joint Osteoarthritis.
J Hand Surg Am
October 2024
Rothman Orthopaedic Institute, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA.
Article Synopsis
- This study investigates the effectiveness of the suture suspensionplasty technique for treating thumb carpometacarpal joint arthritis following trapeziectomy in 42 patients over an average follow-up period of 2.1 years.
- Outcomes measured included pain levels, disability scored via QuickDASH, and the maintenance of trapezial space through radiographic analysis.
- Results indicated that suture suspensionplasty maintained 42% of trapezial space and showed positive functional outcomes, similar to other surgical techniques for this condition.
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