Association of Lunate Morphology With Carpal Instability in Scapholunate Ligament Injury

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Treatment of scapholunate ligament injury

The scapholunate (SL) ligament (SLL) is the most commonly injured carpal ligament.1 The SLL is C-shaped and has three structurally distinct parts: volar; membranous; and dorsal (Fig. 1).2 The dorsal part of the SLL is the strongest and the primary stabiliser of the SL joint and can resist forces of up to 260 N.3 The avascular proximal membranous portion does not provide any significant laxity r...

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The Role of Lunate Morphology on Scapholunate Instability and Fracture Location in Patients Treated for Scaphoid Nonunion.

BACKGROUND To determine the association between lunate morphology and the scapholunate instability using radiographic images, and investigate the association between lunate morphology and scaphoid fracture location. METHODS Between January 2003 and December 2011, we retrospectively evaluated the plain radiographs and computed tomography (CT) images of 70 patients who underwent surgical interv...

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Carpal dislocations: pathomechanics and progressive perilunar instability.

The pathomechanics, ligamentous damage, and degree of carpal instability in perilunate and lunate dislocations were analyzed by experimentally loading 32 cadaver wrists to failure. Thirteen perilunate and two lunate dislocations were produced. The mechanism of injury was extension, ulnar deviation, and intercarpal supination. These dislocations occurred in a sequential fashion due to progressiv...

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Dorsal intercarpal ligament capsulodesis for predynamic and dynamic scapholunate instability.

We treated a prospective series of 18 patients (nine men and nine women) with a mean age of 35 years (range 15 to 57), with chronic predynamic or dynamic scapholunate instability by a dorsal intercarpal ligament capsulodesis using the modified Mayo technique. All the patients were assessed by the modified Mayo wrist score and DASH questionnaire. Wrist arthroscopy was done in all patients before...

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Scapholunate Instability

Scapholunate instability is the most common carpal instability. The evaluation and treatment of scapholunate instability is controversial and the outcome unpredictable. This article will review the pertinent ligamentous anatomy of the wrist and carpal kinematics. There will be a discussion of the clinical presentation, examination, and diagnostic testing of the patient suspected of having scaph...

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ژورنال

عنوان ژورنال: HAND

سال: 2017

ISSN: 1558-9447,1558-9455

DOI: 10.1177/1558944717709073