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Scapholunate

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https://www.readbyqxmd.com/read/29022774/the-management-of-chronic-non-arthritic-scapholunate-dissociation-a-systematic-review
#1
Zafar Naqui, Wee Sim Khor, Anuj Mishra, Vivien Lees, Lindsay Muir
A systematic review was conducted to identify the best management for chronic scapholunate dissociation. EMBASE, MEDLINE, and CENTRAL were searched from 1965-2016. A narrative synthesis was performed. One thousand, one hundred and ninety-one citations were identified, of which 17 had final analysis. In all interventions, the pain score at 2 years reduced from 6.0 to 2.8 with similar effect from capsulodesis and tenodesis techniques. Overall there was an 18% loss of flexion arc. Radial to ulnar arc improved in capsulodesis (+19%; n = 45) and worsened in tenodesis (-6%; n = 45)...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28991587/arthroscopic-management-of-dorsal-and-volar-wrist-ganglion
#2
REVIEW
Christophe Mathoulin, Mathilde Gras
Dorsal and volar wrist ganglions are benign tumors; most of them are asymptomatic. They can disappear spontaneously. Arthroscopic resection can be performed for pain or cosmetic concern. Dorsal ganglion is more common (70%). The hypothesis of the origin is the result of mucoid dysplasia in association with intracapsular and extrasynovial ganglia that occur at the level of the dorsal scapholunate complex. Volar wrist ganglia are less common (20%) and occur mainly in the radiocarpal joint. They are due to capsular destruction at the volar insertion of the SL ligament and arise from the interval between radio scaphocapitate and long radiolunate ligament...
November 2017: Hand Clinics
https://www.readbyqxmd.com/read/28991585/arthroscopic-assisted-partial-wrist-arthrodesis
#3
REVIEW
Eva-Maria Baur
Partial wrist arthrodesis (PWA) is a well-known procedure for treating degenerative or posttraumatic wrist conditions. Four-corner fusion (4CF) is mostly used for scapholunate advanced collapse and scaphoid nonunion advanced collapse. The author performed 39 procedures, including 4CFs, 2-corner fusions, 3-corner fusions, scaphoid-capitate/scaphoid-capitate-lunate fusions, scaphoid-trapezium-trapezoid arthrodeses, and radioscapholunate arthroscopic PWAs (A-PWAs). There were 8 revision cases including 4 partial nonunions...
November 2017: Hand Clinics
https://www.readbyqxmd.com/read/28991581/arthroscopic-scapholunate-ligament-reconstruction-volar-and-dorsal-reconstruction
#4
REVIEW
Fernando Corella, Miguel Del Cerro, Montserrat Ocampos, Clara Simon de Blas, Ricardo Larrainzar-Garijo
Arthroscopic scapholunate volar and dorsal ligament reconstruction achieves an anatomic reconstruction, avoids an open approach and capsular detachment, and provides a strong construct for early mobilization. Clinical results are discussed. Detailed "surgical tips" and technical modifications are provided.
November 2017: Hand Clinics
https://www.readbyqxmd.com/read/28886667/the-effect-of-screw-trajectory-for-the-reduction-and-association-of-the-scaphoid-and-lunate-rasl-procedure-a-biomechanical-analysis
#5
Steven M Koehler, Christina M Beck, Philip Nasser, Matthew Gluck, Michael R Hausman
The purpose of this study was to determine if screw placement in the reduction and association of the scaphoid and the lunate (RASL) procedure affected the ability of the scapholunate joint to withstand force. After completely disrupting of the scapholunate ligament in 29 fresh-frozen cadaveric wrists, we placed the RASL screw either distal or proximal to the lateral aspect of the dorsal ridge of the scaphoid and into the dorsal or volar aspect of the lunate. Specimens were subjected to repeated cycles of transcarpal axial force, mimicking clenched-fist loading, until failure...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28877592/the-optimal-location-to-measure-scapholunate-diastasis-on-screening-radiographs
#6
Joseph Said, Kevin Baker, Laviel Fernandez, David E Komatsu, Elaine Gould, Lawrence C Hurst
BACKGROUND: Lack of a universally accepted location and normal value limits the utility of measuring scapholunate diastasis. The primary purpose of this study was to define the optimal location to measure the scapholunate gap throughout sequential ligament transections. Secondary purposes were to compare plain radiographs with fluoroscopy and to evaluate interrater reliability in measuring scapholunate diastasis. METHODS: Five cadaver forearms were imaged with intact carpal ligaments and after sequentially transecting the scapholunate, radioscaphocapitate, and scaphotrapezium-trapezoid ligaments...
September 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28831343/biomechanical-properties-of-first-dorsal-extensor-compartment-regarding-adequacy-as-a-bone-ligament-bone-graft
#7
Michael G Jakubietz, Rafael G Jakubietz, Rainer H Meffert, Karsten Schmidt, Robert K Zahn
Bone-ligament-bone grafts for reconstruction of the scapholunate ligament are a valuable tool to prevent disease progression to carpal collapse. Locally available grafts do not require an additional donor site. The first extensor compartment was evaluated biomechanically regarding its possible use as an autograft. METHODS: Twelve native fresh-frozen, human cadaver specimens were tested by applying axial tension in a Zwick Roell machine. Load to failure, transplant elongation, and bony avulsion were recorded...
July 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28829651/experiences-with-osteoligamentoplasty-according-to-weiss-for-the-treatment-of-scapholunate-dissociation
#8
W Petersen, J Rothenberger, H E Schaller, A Rahmanian-Schwarz, M Held
BACKGROUND: In post-traumatic, dynamic, or static scapholunate (SL) instability, an SL ligament reconstruction is advisable to avoid long-term complications. However, a sufficient primary reconstruction is best achieved in acute injuries. For chronic SL dissociation, there is still no satisfying standard surgical technique. In this context, we evaluated the clinical outcome of Weiss's osteoligamentoplasty as a treatment option. METHODS: Over a three-year period, 16 patients with chronic and symptomatic SL dissociation Grade-II and III, without the signs of osteoarthrosis were, surgically treated using a bone-retinaculum-bone autograft from the distal radius...
August 22, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28828602/association-of-lunate-morphology-sex-and-lunotriquetral-interosseous-ligament-injury-with-radiologic-measurement-of-the-capitate-triquetrum-joint
#9
Marissa Borgese, Robert D Boutin, Christopher O Bayne, Robert M Szabo, Abhijit J Chaudhari
OBJECTIVE: Radiologic presentation of carpal instability at the radial side of the carpus, e.g. scapholunate diastasis following scapholunate interosseous ligament injury, has been studied extensively. By comparison, presentation at the ulnar-sided carpus has not. The purpose of this study was to assess the effects of lunate morphology, sex, and lunotriquetral interosseous ligament (LTIL) status on the radiologic measurement of the capitate-triquetrum joint (C-T distance). Further, we sought to evaluate the diagnostic accuracy of C-T distance for assessing LTIL injuries...
August 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28806833/-dynamic-correction-of-scapholunate-instability-using-an-ecrl-tendon-strip-and-a-free-pl-interponat
#10
Evelin Soleman, Lukas Fatzer, Tomas Sanchez
The present article describes our technique of correction of static reduceable scapholunate instability.
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28806832/-dorsal-ligamentoplasty-for-posttraumatic-scapholunate-dissociation
#11
Ralf Bajinski, Joachim Gülke, Martin Mentzel, Florian Sigloch, Moritz Dustmann, Nikolaus Johannes Wachter
Scapholunate dissociation in stages 2 and 3 may lead to posttraumatic damage if left untreated. Different types of treatment have been described, including capsulodesis, tenodesis, and others. The purpose of all procedures is to avoid palmar shift of the distal scaphoid resulting in secondary arthritis (SLAC wrist). This study aimed to evaluate a modified dorsal ligamentoplasty in second- and third-degree scapholunate dissociation in a prospective study design. Furthermore, the study aimed to find out if there is a correlation between radiological and clinical parameters at follow-up and whether or not a SLAC wrist can be avoided...
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28791454/-midcarpal-partial-arthrodesis-with-locking-plate-osteosynthesis
#12
REVIEW
J-F Hernekamp, U Kneser, T Kremer, B Bickert
OBJECTIVE: Preservation of residual mobility and pain reduction in the wrist in advanced carpal collapse (scapholunate advanced collapse, SLAC or scaphoid nonunion advanced collapse, SNAC). INDICATIONS: Advanced osteoarthritis of the radiocarpal and intercarpal articulations, SLAC/SNAC stages 2-3. CONTRAINDICATIONS: Arthrotic alterations to the proximal joint surface of the lunate bone or the corresponding joint surface of the radius (lunate fossa)...
August 8, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28725508/the-anatomy-of-the-dorsal-capsulo-scapholunate-septum-a-cadaveric-study
#13
Marina Tommasini Carrara de Sambuy, Tanya Michelle Burgess, Adeline Cambon-Binder, Christophe L Mathoulin
Background  Tears of the dorsal radiocarpal capsule at the level of the scapholunate interosseous ligament (SLIL) have recently been described in association with predynamic scapholunate instability. Purpose  The aim of this anatomical study of the dorsal capsulo-scapholunate septum (DCSS) was to examine the connection of the dorsal capsule on the SLIL and dorsal intercarpal ligament (DICL). Methods  Fourteen fresh frozen wrists from seven adult cadavers were dissected through a dorsal approach. Any dorsal attachment of the DICL on the dorsal surface of the SLIL, that is, the DCSS, was identified and measured (height and width)...
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28709793/dorsal-scaphoid-subluxation-on-sagittal-magnetic-resonance-imaging-as-a-marker-for-scapholunate-ligament-tear
#14
David W Meister, Krystle A Hearns, Michelle G Carlson
PURPOSE: To evaluate the diagnostic utility of scaphoid dorsal subluxation on magnetic resonance imaging (MRI) as a predictor of scapholunate interosseous ligament (SLIL) tears and compare this with radiographic findings. METHODS: Thirty-six MRIs were retrospectively reviewed: 18 with known operative findings of complete Geissler IV SLIL tears that were surgically repaired, and 18 MRIs performed for ulnar-sided wrist pain but no SLIL tear. Dorsal subluxation of the scaphoid was measured on the sagittal MRI cut, which demonstrated the maximum subluxation...
September 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28709792/fixation-of-ultrasmall-proximal-pole-scaphoid-fractures-using-bioabsorbable-osteochondral-fixation-nails
#15
REVIEW
Eugene T Ek, Kemble Wang
Surgical treatment of ultrasmall proximal pole scaphoid fractures poses a number of challenges. The fragment may be too small to fix with conventional headless screw fixation owing to the high risk of fragmentation upon insertion. However, excision of the fragment risks compromising the scapholunate ligament complex and also exposes the radioscaphoid joint to potential degenerative changes. Under these circumstances, we describe the use of bioabsorbable osteochondral fixation nails that allows stable low-profile fixation while minimizing the risk of fracturing the proximal pole...
September 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28690470/equivalent-clinical-outcomes-following-favored-treatments-of-chronic-scapholunate-ligament-tear
#16
REVIEW
Pengcheng Wang, Jeffrey G Stepan, Tonya An, Daniel A Osei
BACKGROUND: Optimal treatment of chronic scapholunate (SL) instability remains controversial. Many surgical techniques have been proposed with varied results in subsequent case series; however, there is limited evidence demonstrating the relative effectiveness of the different treatment options. QUESTIONS/PURPOSES: We conducted a systematic review of the English literature to compare outcomes from capsulodesis and ligament reconstruction for treatment of chronic scapholunate instability...
July 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28673629/treatment-of-intra-articular-distal-radius-fractures
#17
REVIEW
Shohei Omokawa, Yukio Abe, Junya Imatani, Hisao Moritomo, Daisuke Suzuki, Tadanobu Onishi
This review of current literature discusses the morphology of the volar aspect of the distal radius; the surgical procedure, arthroscopic findings, and clinical results of a plate presetting and arthroscopic reduction technique for acute intra-articular fractures; and a novel simulation guidance system for malunited intra-articular fractures. Classification of intra-articular distal radius fractures is also discussed, focusing on central depression fracture fragments, associated soft tissue injuries, and results for measuring scapholunate distances at different sites...
August 2017: Hand Clinics
https://www.readbyqxmd.com/read/28656466/quantitative-analysis-of-scapholunate-diastasis-using-stress-speckle-tracking-sonography-a-proof-of-concept-and-feasibility-study
#18
Pedro Augusto Gondim Teixeira, Sammy Badr, Gabriela Hossu, Guillaume Lefebvre, Waled Abou Arab, Alain Blum, Anne Cotten
OBJECTIVE: To evaluate the feasibility and potential clinical applicability of speckle-tracking sonography for the dynamic evaluation of the scapholunate diastasis during stress manoeuvres. MATERIAL AND METHODS: Two readers used speckle tracking sonography to evaluate scapholunate diastasis during a clenching fist manoeuver in 30 normal wrists. Scapholunate peak strain, mean scapholunate diastasis and the diastasis variation coefficient were analysed. IRB exemption was granted for this study...
June 27, 2017: European Radiology
https://www.readbyqxmd.com/read/28644943/failure-of-wrist-hemiarthroplasty
#19
Eric G Huish, Zachary Lum, H Brent Bamberger, Marc A Trzeciak
BACKGROUND: Wrist hemiarthroplasty has emerged as a motion-sparing option for severe wrist arthritis. It is technically easy with advantages of limited bone resection and no risk of nonunion. Given the relative infancy of the procedure in clinical practice, there are limited data on patient outcomes. METHODS: Eleven patients were treated with wrist reconstructive hemiarthroplasty. Indications included 1 patient with scaphoid nonunion advanced collapse, 9 patients with scapholunate advanced collapse, and 1 patient with capitolunate arthritis...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28628801/evaluation-of-midcarpal-capitate-contact-mechanics-in-normal-injured-and-post-operative-wrists
#20
Saman Modaresi, Madhan S Kallem, Phil Lee, Terence E McIff, E Bruce Toby, Kenneth J Fischer
BACKGROUND: Scapholunate ligament injury is a commonly occurring carpal ligament injury. Pathology associated with scapholunate ligament injury depends on several factors such as the time after injury, type of injury (instability) and the development of osteoarthritis. The aim of this study was to investigate and compare contact mechanics in the lunocapitate and scaphocapitate joints in the normal, injured (scapholunate dissociation) and repaired (postoperative) wrist. METHODS: Four human subjects with scapholunate ligament dissociation participated in this study...
August 2017: Clinical Biomechanics
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