Journal of Hand Surgery, European Volume

The aim of this study was to ascertain the long-term revision rates of the Universal 2 wrist prosthesis in a previously published cohort of patients with rheumatoid arthritis. The time to, and reasons for revision were determined. Radiographs were analysed to determine whether loosening had occurred in the long-term according to the Wrightington zonal classification of loosening. Seventy-eight wrists from the original cohort of 85 wrists could be identified for analysis. The longest follow-up was 16 years and 29 wrists had follow-up beyond 10 years...

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Assessment of carpal alignment traditionally uses carpal bone axes measured on lateral radiographs. In this study, three-dimensional axes were defined for carpal bones using segmentation and numerical modelling of CT data of 121 neutrally positioned, asymptomatic wrists. The geometric axis was used for radius, scaphoid and capitate, whereas the axis based on a line perpendicular to the articular surface was used for the other carpal bones. Normal values of radiocarpal angles in the radial coordinate and the reliability of the computer-aided analysis are reported...

In this study, we studied historical case notes to examine nomenclature of congenital upper limb anomalies and explore the changes in terminologies over time. Original diagnoses were reclassified according to previously published classifications and the most recent Oberg, Manske and Tonkin system. Two hundred and thirty-eight case notes were obtained from the period 1961-1991. Hand plate malformations where the diagnosis was obvious or traumatic defects, were excluded. Eighty-six cases (106 extremities) were finally included where an ambiguous diagnosis, such as 'congenital absence' was initially given...

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No abstract text is available yet for this article.

Loss of anterior tilt after a distal radial fracture can lead to carpal malalignment, which may cause functional impairment. The aim of this study was to establish whether distal radial osteotomy for malunion, which primarily restores the dorsal tilt, will also improve carpal malalignment as measured by capitate shift. Radiographs of 67 patients who underwent osteotomy after malunion of a distal radial fracture were reviewed. Measurements of capitate shift and dorsal tilt were recorded. Linear regression modelling was used to assess the relationship between dorsal tilt and capitate shift...

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No abstract text is available yet for this article.

No abstract text is available yet for this article.

In this clinical trial, patients were randomized to receive a pedicled vascularized bone graft, based on the 1,2-intercompartmental supraretinacular artery, or a non-vascularized iliac crest graft. Fixation was done with K-wires. Union and time to union were assessed using CT scans at regular intervals. Twenty-three patients received a vascularized graft, and 22 received a non-vascularized graft. Thirty-eight patients were available for union assessment and 23 for clinical measurements. There were no significant differences in union incidence, time to union, incidence of complications, patient-reported outcome scores, or wrist mobility and grip strength at final follow-up between the treatment groups...

This prospective study evaluated outcomes after trapeziometacarpal joint replacement with a dual mobility prosthesis (Touch®) in 55 thumbs (52 patients) with a mean follow-up of 25 months (range 12-36). Pre- and postoperative assessments included pain, range of motion, the Kapandji index, pinch- and grip strength, as well as functional scores and radiological parameters. Mean preoperative metacarpophalangeal joint hyperextension of 19° (range 15°-28°) showed a significant correction after 1 year with a mean value of 2° (range 0°-5°)...

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No abstract text is available yet for this article.

Assessment of scaphoid fracture union on computed tomography scans is not currently standardized. We investigated the extent of scaphoid waist fracture union required to withstand physiological loads in a finite element model, based on a high-resolution CT scan of a cadaveric forearm. For simulations, the scaphoid waist was partially fused at the radial and ulnar sides. A physiological load of 100 N was transmitted to the scaphoid and the minimal amount of union to maintain biomechanical stability was recorded...

The purpose of this review article is to provide an update on the realm of emerging technology available for the assessment of dynamic functional movement of the hand and upper limb. A critical overview of the literature and a conceptual framework for use of such technologies is proposed. The framework explores three broad purpose categories including customization of care, functional surveillance and interventions through biofeedback strategies. State-of-the-art technologies are described, from basic activity monitors to feedback-enabled robotic gloves, along with exemplar trials and clinical applications...

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The wrist is a universal joint with intrinsic and extrinsic ligaments that function and fail as ligamentous complexes. Those related to scapholunate instability (SLI) include the dorsal scapholunate complex (DSLC), volar radiolunate complex and scaphotrapeziotrapezoid complex. Together the DSLC, scaphoid and lunate create an 'acetabulum' for the capitate, with the dorsal intercarpal ligament being a labrum to contain the capitate. SLI results from failure of the DSLC, typically from its scaphoid attachments...

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No abstract text is available yet for this article.