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scaphoid fracture

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https://www.readbyqxmd.com/read/29347832/wire-placement-in-the-sustentaculum-tali-using-a-2d-projection-based-software-application-for-mobile-c-arms-cadaveric-study
#1
Benedict Swartman, Dirk Frere, Wei Wei, Marc Schnetzke, Stephan Grechenig, Amir Matityahu, Nils Beisemann, Holger Keil, Jochen Franke, Paul Alfred Grützner, Sven Yves Vetter
BACKGROUND: Indirect screw fixation of the sustentaculum tali in the lateral-medial direction can be challenging due to the complex calcaneal anatomy. A novel 2-dimensional (2D) projection-based software application detects Kirschner wires (K-wires) and visualizes their intended direction as a colored trajectory. The aim of this prospectively randomized cadaver study was to investigate whether the software would facilitate the indirect K-wire placement in the sustentaculum tali. METHODS: In 20 cadaver foot specimens, K-wires were placed indirectly in the sustentaculum tali by an experienced and an inexperienced surgeon, with and without using the application...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29343888/medial-femoral-condyle-vascularised-corticoperiosteal-graft-a-suitable-choice-for-scaphoid-non-union
#2
Samir Kumta, Sudhir Warrier, Leena Jain, Rani Ummal, Manik Menezes, Shrirang Purohit
Introduction: Scaphoid fractures are not very common and frequently remain undiagnosed, presenting in non-union and persistent wrist pain. Options for scaphoid fracture treatment have been described over several decades, however, none with an optimal solution to achieve union along with good hand function. We describe here, the use of vascularised corticoperiosteal bone grafts from the medial femoral condyle (MFC) as a solution for the difficult problem of scaphoid fracture non-union...
May 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/29339842/the-clinico-radiological-outcome-of-open-reduction-and-internal-fixation-of-displaced-scaphoid-fractures-in-the-adult-age-group
#3
Amit Kumar, B P Sharma, Saurabh
Background: Scaphoid fracture is the most common among carpal bone fractures, frequently imperceptible on initial radiographs. Tendency of scaphoid fracture to undergo in non-union makes it an important challenging injury for all orthopaedic surgeons. Displaced scaphoid fracture has high non-union rate in conservative management asserting the need to explore operative treatment. Materials and method: A prospective study was conducted in our institution in thirty patients in 20 to 50 year age group, for displaced scaphoid fracture (<30 days duration)...
November 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29318360/a-novel-percutaneous-achievement-and-maintenance-of-reduction-and-screw-fixation-for-acute-displaced-scaphoid-fractures-minimum-two-year-follow-up
#4
Yadong Yu, Haibin Cui, Xiaoliang Yang, Xiaofei Yu, Yanbin Bai
PURPOSE: The purpose of this study was to introduce a novel method of percutaneous achievement and maintenance of reduction for acute displaced scaphoid fractures and evaluate the feasibility of this method in treating acute displaced scaphoid fractures as well as explore its indications. METHODS: From February 2012 to March 2014, 15 patients with acute displaced scaphoid fractures were treated with our technique. Two Kirschner wires were used to achieve and maintain the reduction of the scaphoid fractures throughout the entire process of the traditional percutaneous screw fixation process...
January 10, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29301797/management-of-a-15-year-old-scaphoid-non-union
#5
Kai Yuen Wong, Olivia Sharp, Phillip Johnston
Scaphoid non-union affects wrist joint function and is often associated with a predictable pattern of degenerative change. A 30-year-old man presented with a symptomatic 15-year-old right scaphoid fracture with secondary scaphoid non-union advanced collapse of his right wrist. There was no evidence of avascular necrosis. The initial injury was from a fall onto his outstretched hand. We performed a right scaphoid open reduction, internal fixation and iliac crest bone graft. One year after the operation, the patient had good wrist function and grip strength...
January 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29298920/fractures-of-the-scaphoid
#6
Michael Shymko
No abstract text is available yet for this article.
November 2017: Radiologic Technology
https://www.readbyqxmd.com/read/29282524/perilunate-fracture-dislocations-clinical-and-radiological-results-of-21-cases
#7
Thomas Meszaros, Esther Vögelin, Lukas Mathys, Franck Marie Leclère
BACKGROUND: Perilunate dislocations and fracture-dislocations are a subcategory of the carpal instability complex. Herein, we report our university hospital experience with this complex injury. The goal of our study was to find predictive factors and quantify the development of arthritis and lunate necrosis. We tried to measure the impact of arthritis on hand function. METHODS: Between January 2000 and December 2014, 21 patients underwent surgery for perilunate dislocations and perilunate fracture-dislocations of the wrist in our tertiary university center...
December 27, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29241360/interfragmentary-compression-forces-vary-based-on-scaphoid-bone-screw-type-and-fracture-location
#8
Samik Patel, Nathan Tiedeken, Lars Qvick, Richard E Debski, Robert Kaufmann, John R Fowler
BACKGROUND: The objective of this study was to determine the interfragmentary compression forces generated in a foam model as a function of headless compression screw type (fully threaded and central threadless) and fracture location. METHODS: Eighty-eight polyurethane foam models were fixed across a simulated transverse fracture with either a fully threaded screw or a central threadless screw. The location of the transverse fracture varied along the length of the foam model in 2 mm increments for 11 fracture locations...
December 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29234645/bone-graft-in-the-treatment-of-nonunion-of-the-scaphoid-with-necrosis-of-the-proximal-pole-a-literature-review
#9
Antônio Lourenço Severo, Marcelo Barreto Lemos, Osvandré Luiz Canfield Lech, Danilo Barreto Filho, Daniel Paulo Strack, Larissa Knapp Candido
Scaphoid fractures are the most common fractures of the carpal bones, corresponding to 60%. Of these, 10% progress to nonunion; moreover, 3% can present necrosis of the proximal pole. There are various methods of treatment using vascularized and non-vascularized bone grafts. To evaluate and compare the rate of scaphoid consolidation with necrosis of the proximal pole using different surgical techniques. The authors conducted a review of the literature using the following databases: PubMed and BIREME/LILACS, where 13 case series were selected (ten with use of vascularized bone grafts and three of non-vascularized bone grafts), according to inclusion and exclusion criteria...
November 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29229541/results-of-percutaneous-fixation-and-distal-radius-core-decompression-in-scaphoid-waist-non-unions-treated-without-grafting
#10
S S Dedeoğlu, Y İmren, H Çabuk, A C Tekin, Y C Türe, H Gürbüz
Scaphoid non-union management is still a challenge in clinical practice for orthopaedic surgeons. Though several treatment methods have been described, there is an ongoing debate about optimum management. Based on new concepts about avascular conditions, promising results were reported with metaphyseal decompression of the distal radius by increasing the vascularization of the radial column of the carpus. We aimed to evaluate the clinical, radiological, and functional outcomes of distal radius core decompression and fixation with palmar percutaneous cannulated compression screws without grafting in patients with scaphoid waist fracture non-union...
December 8, 2017: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/29196227/scaphoid-fractures-treated-with-a-volar-percutaneous-approach-analysis-and-results-in-92-cases
#11
G Luengo Alonso, V Jiménez Díaz, L Garcia Lamas, M A Porras Moreno, D Cecilia López
OBJECTIVE: Herbert type B1 and B2 scaphoid fractures can be treated by orthopaedic treatment or surgery. The aim of this study is to analyse results and complications of scaphoid waist fractures treated using the percutaneous volar approach. MATERIAL AND METHOD: We present a retrospective study of 92 patients, treated in our institution from 2006 to 2016 using a volar percutaneous fixation. Mean Follow-up was 16 months (range 12-48). Injuries were classified using Hebert's classification, including B1 and B2 fracture types; the other fracture types following this classification system were excluded...
November 28, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29172878/the-economic-evidence-for-advanced-imaging-in-the-diagnosis-of-suspected-scaphoid-fractures-systematic-review-of-evidence
#12
Tiago Rua, David Parkin, Vicky Goh, Paul McCrone, Sam Gidwani
Given the limitations of conventional radiography in the diagnosis of suspected scaphoid fractures on presentation, advanced imaging, particularly magnetic resonance imaging, is a useful additional investigation. We carried out a systematic review of the economic evidence for the use of advanced imaging in the management of suspected scaphoid fractures. Fifteen articles were included in the review. Owing to the heterogeneity of study designs, the type and timing of interventions and the economic analyses performed, direct comparisons between the 15 studies were difficult...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29169719/fracture-gap-reduction-with-variable-pitch-headless-screws
#13
Austin J Roebke, Logan J Roebke, Kanu S Goyal
PURPOSE: Fully threaded, variable-pitch, headless screws are used in many settings in surgery and have been extensively studied in this context, especially in regard to scaphoid fractures. However, it is not well understood how screw parameters such as diameter, length, and pitch variation, as well as technique parameters such as depth of drilling, affect gap closure. METHODS: Acutrak 2 fully threaded variable-pitch headless screws of various diameters (Standard, Mini, and Micro) and lengths (16-28 mm) were inserted into polyurethane blocks of "normal" and "osteoporotic" bone model densities using a custom jig...
November 21, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29165015/lessons-learned-from-volar-plate-fixation-of-scaphoid-fracture-nonunions
#14
Seth D Dodds, John B Williams, Max Seiter, Clark Chen
Treating scaphoid nonunions presents difficulties particularly when there is bone loss, significant humpback deformity or avascular necrosis. We describe a new type of fixation with a volar scaphoid plate that adds to the methods of internal fixation that are available for the treatment of recalcitrant scaphoid nonunions. We will also discuss 'lessons learned' from a cases series. The case series includes 20 consecutive patients treated with volar buttress plating and a pedicled vascularized bone graft from the ipsilateral volar distal radius...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29165014/fixation-of-proximal-pole-scaphoid-nonunion-with-non-vascularized-cancellous-autograft
#15
Timothy J Luchetti, Allison J Rao, John J Fernandez, Mark S Cohen, Robert W Wysocki
We present 20 patients with established proximal pole scaphoid nonunions treated with curettage and cancellous autograft from the distal radius and screw fixation. Fractures with significant proximal pole fragmentation were excluded. Patients were treated at a mean of 26 weeks after injury (range 12-72). Union occurred in 18 of 20 patients (90%) based on computed tomographic imaging. The two nonunions that did not heal were treated with repeat curettage and debridement and iliac crest bone grafting without revision of fixation...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29153368/diagnostic-value-of-cone-beam-computed-tomography-cbct-in-occult-scaphoid-and-wrist-fractures
#16
Christophe Borel, Ahmed Larbi, Stephanie Delclaux, Franck Lapegue, Helene Chiavassa-Gandois, Nicolas Sans, Marie Faruch-Bilfeld
OBJECTIVE: Evaluate the diagnostic value of cone beam computed tomography (CBCT) for scaphoid and wrist fractures that are missed on standard radiographs. MATERIALS AND METHODS: Between September 2014 and October 2015, we prospectively enrolled 49 patients with a clinically suspected scaphoid fracture following an acute injury but had normal radiographs. Each patients underwent radiographs, CBCT and (magnetic resonance imaging) MRI within 7days of the initial injury event...
December 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/29143872/concomitant-hook-of-hamate-fractures-in-patients-with-scaphoid-fracture-more-common-than-you-might-think
#17
Ramin Mandegaran, Sam Gidwani, Ali Zavareh
OBJECTIVE: The scaphoid is the most commonly fractured carpal bone. The presence of a concomitant hook of hamate fracture is of particular relevance given that it is often occult on routine wrist/scaphoid radiographs and that hook of hamate fractures are prone to symptomatic non-union, resulting in chronic ulnar wrist pain. Prompt diagnosis and immobilisation/fixation may minimise such complications. Our study is aimed at assessing the frequency of concomitant hook of hamate fractures in patients with scaphoid fractures...
November 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/29132789/scaphoid-fracture-fixation-in-a-nonunion-model-a-biomechanical-study-comparing-3-types-of-fixation
#18
Avanthi Mandaleson, Stephen K Tham, Craig Lewis, David C Ackland, Eugene T Ek
PURPOSE: Union of a scaphoid fracture after fixation is influenced by various factors, one of which is fracture stability. This study aims to compare the biomechanical stability of 3 different types of scaphoid fracture fixation in a scaphoid nonunion model. METHODS: Thirty cadaveric scaphoid specimens were assigned to one of 3 different fixation groups: (1) single 3.0-mm compression screw, (2) two 2.2-mm screws, and (3) scaphoid plate. A 3-mm volar wedge osteotomy was created at the scaphoid waist to simulate a nonunion model...
November 11, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29132239/lunate-fractures-and-associated-radiocarpal-and-midcarpal-instabilities-a-systematic-review
#19
Meenalochani Shunmugam, Joideep Phadnis, Amy Watts, Gregory I Bain
The aim of this study was to analyse lunate fractures and any associated osseo-ligamentous injuries. A systematic review identified 34 cases. We identified carpal instabilities at the radiocarpal and midcarpal joints in volar and dorsal directions. Radiocarpal instabilities (10/34) were usually dorsoradial (8/10), with a transverse lunate fracture, best seen on a coronal image. Midcarpal instabilities (24/34) were usually volar (14/18), with a volar lunate shear fracture, best seen on a sagittal image. Instabilities were sub-classified into non-displaced, subluxated and dislocated...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29122424/scaphoid-healing-necessary-for-unrestricted-activity-a-biomechanical-cadaver-model
#20
Michael S Guss, Joshua T Mitgang, Anthony Sapienza
PURPOSE: To determine if scaphoid fractures with bridging bone of 50% of their width treated with a centrally placed screw will restore biomechanical integrity equivalent to that of the intact scaphoid. METHODS: Twenty-four fresh cadaver scaphoids were used. Six were left intact to serve as the control group. Six were osteotomized 50% of their width and made up the osteotomy without screw group. Six were included in the 50% osteotomy plus compression screw group...
November 7, 2017: Journal of Hand Surgery
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