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scaphoid nonunion

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https://www.readbyqxmd.com/read/29675505/locking-dorsal-plate-in-four-bone-arthrodesis-in-slac-and-snac-3-wrist
#1
Simona Odella, Amos M Querenghi, Francesco M Locatelli, Ugo Dacatra, Elia Creta, Pierluigi Tos
Purpose  The aim of this study was to evaluate the effectiveness and the safety of performing a four-bone arthrodesis (FBA) with dorsal locking plate in patients suffering from stage III scapholunate advanced collapse/scaphoid nonunion advance collapse (SLAC/SNAC) wrist. Methods  We evaluated retrospectively 20 patients surgically treated by a FBA with the use of locking dorsal plate. All the patients were clinically evaluated at follow-up for grip strength, range of motion, and pain (visual analog scale), and with the Disability of the Arm, Shoulder and Hand score and the Mayo wrist score...
March 2018: Joints
https://www.readbyqxmd.com/read/29595703/the-clinical-result-of-arthroscopic-bone-grafting-and-percutaneous-k-wires-fixation-for-management-of-scaphoid-nonunions
#2
Young-Keun Lee, Kwang-Wook Choi, Sang-Hyun Woo, Pak Cheong Ho, Malrey Lee
The purpose of this study is to analyze the clinical results of patients with scaphoid nonunion treated with arthroscopic bone grafting and K (Kirschner)-wires fixation.We retrospectively reviewed the records of 27 patients with scaphoid nonunion who had been treated with arthroscopic bone grafting and K-wires fixation method from November 2008 to February 2014. The average patient age was 35 years. The time from injury to treatment averaged 45 months. The average follow-up period was 18 months. Bone union was assessed using serial plain radiographs...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29576913/current-management-of-scaphoid-nonunion-based-on-the-biomechanical-study
#3
Kunihiro Oka, Hisao Moritomo
Scaphoid nonunion causes abnormal wrist kinematics and typically leads to carpal collapse and subsequent degenerative arthritis of the wrist. However, the natural history, including carpal collapse and degenerative arthritis of scaphoid nonunion, may vary at different fracture locations. This article reviews recent biomechanical studies related to the natural history of scaphoid nonunion. In the distal-type fractures (type B2 in Herbert classification), where the fracture located distal to the scaphoid apex, the proximal scaphoid fragment and lunate, which are connected through the dorsal scapholunate interosseous ligament (DSLIL) and dorsal intercarpal ligament (DIC), extend together, and the distal fragment of the scaphoid flexes individually...
April 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29576912/current-concept-in-the-treatment-of-scaphoid-nonunion
#4
EDITORIAL
Toshiyasu Nakamura
No abstract text is available yet for this article.
April 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29537954/scaphoid-nonunions
#5
Christopher S Klifto, Austin J Ramme, Anthony Sapienza, Nader Paksima
Scaphoid nonunions are challenging injuries to manage and the optimal treatment algorithm continues to be debated. Most scaphoid fractures heal when appropriately treated; however, when nonunions occur, they require acute treatment to prevent future complications like scaphoid nonunion advanced collapse. Acute nonunion treatment technique depends on nonunion location, vascular status of the proximal pole, fracture malalignment, and pre-existing evidence of arthrosis. Bone grafting and vascular grafts are common in nonunion management...
March 2018: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/29520536/mdct-arthrography-assessment-of-scaphoid-nonunion-advanced-collapse-distribution-of-cartilage-damage-and-relationship-with-scaphoid-nonunion-features
#6
Michel D Crema, Catherine Phan, Anne Miquel, Celine Quach, Lionel Arrivé, Yves Menu
OBJECTIVES: Our primary aim was to evaluate the distribution and severity of cartilage damage in a sample of patients with scaphoid nonunion advanced collapse (SNAC), assessed on MDCT arthrography, with regard to two well-known SNAC staging systems. Secondarily, we wanted to see if the degree of cartilage damage varied with the location of the nonunion. METHODS: We retrospectively included 35 patients with a history of SNAC who had undergone MDCT arthrography. The location of the fracture was defined as the proximal, middle, or distal third of the scaphoid...
March 8, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29519991/volar-percutaneous-screw-fixation-for-scaphoid-nonunion
#7
M Gurger, M Yilmaz, E Yilmaz, S Altun
Background: Percutaneous screw fixation is widely used in acute fractures of the scaphoid. In this study, we aimed to present our results with volar percutaneous screw fixation in patients with scaphoid nonunions. Methodology: A total of 12 patients with scaphoid nonunion (≥13 weeks) that underwent volar percutaneous screw fixation were evaluated retrospectively. Two of the patients were female, and 10 were male. Mean age was 27 years (range = 19-41). The mean time that elapsed between the fracture and surgical procedure was 7...
March 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29463128/distal-scaphoid-excision-in-treatment-of-symptomatic-scaphoid-nonunion-systematic-review-and-meta-analysis
#8
Cory K Mayfield, Daniel J Gould, Marie Dusch, Amir Mostofi
BACKGROUND: Current treatment options for persistent scaphoid nonunion are limited to salvage procedures such as proximal row carpectomy (PRC) or 4-corner fusion (4CF). Several small studies have demonstrated that distal scaphoid excision may provide a simpler alternative with faster recovery. The purpose of this study was to determine the efficacy of distal scaphoid excision as a treatment option for symptomatic scaphoid nonunion. METHODS: The MEDLINE and PubMed databases were searched for the use of distal scaphoid excision in scaphoid nonunions...
February 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29458308/new-findings-about-the-intrascaphoid-arterial-system
#9
Zirun Xiao, Ge Xiong, Weiguang Zhang
We investigated the intraosseous arteries of six normal cadaveric scaphoids using red lead injection and three-dimensional reconstruction with micro-computed tomography. The arterial entrances were generally located around the dorsal ridge, the insertion of the scaphocapitate ligament and the radial part of the radioscaphocapitate ligament. Two to three trunk arteries entered the scaphoid on dorsal ridge at the level of the waist. The distal part of the scaphoid was mainly supplied by arteries from the waist...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29456053/conjoint-analysis-of-treatment-preferences-for-nondisplaced-scaphoid-fractures
#10
Ronnie L Shammas, Nathan Mela, Scott Wallace, Betty C Tong, Joel Huber, Suhail K Mithani
PURPOSE: We used conjoint analysis to assess the relative importance of factors that influence a patient's decision between surgical or nonsurgical management of a nondisplaced scaphoid fracture. Our hypothesis was that out-of-pocket costs will have a greater influence on decision making than the time spent in a cast or brace, degree of soreness, or the risk of treatment failure. METHODS: Two-hundred and fifty participants were recruited using Amazon Mechanical Turk and asked to assume that they had experienced a nondisplaced scaphoid waist fracture...
February 15, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29426603/proximal-pole-scaphoid-nonunion-reconstruction-with-1-2-intercompartmental-supraretinacular-artery-vascularized-graft-and-compression-screw-fixation
#11
Mark S Morris, Andy F Zhu, Kagan Ozer, Jeffrey N Lawton
PURPOSE: To review the incidence of union of patients with proximal pole scaphoid fracture nonunions treated using a 1,2 intercompartmental supraretinacular artery (1,2 ICSRA) vascularized graft and a small compression screw. METHODS: This is a retrospective case series of 12 patients. Calculations of the size of the proximal pole fragment relative to the total scaphoid were performed using posteroanterior view scaphoid radiographs with the wrist in ulnar deviation and flat on the cassette...
February 6, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29409415/cylinder-shaped-bone-graft-for-scaphoid-nonunion
#12
Hitoshi Hatanaka, Minoru Takasaki, Hiroko Furusho, Yasuhiro Omori
BACKGROUND: Wedge-shaped bone grafts that are internally fixed by a Herbert-type screw are a well-established surgical treatment for scaphoid nonunion. A procedure using cylinder-shaped bone grafts was also reported, but preoperative wrist functions were not assessed. In addition, it was not reported whether the humpback deformity of the scaphoid nonunion was corrected. The purpose of the current study was to compare preoperative wrist functions in cases of scaphoid nonunion with those observed at final follow-up, using cylinder-shaped bone grafts The humpback deformity of the scaphoid nonunion was also evaluated...
March 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29389704/versatility-of-the-medial-femoral-condyle-flap-for-extremity-reconstruction-and-identification-of-risk-factors-for-nonunion-delayed-time-to-union-and-complications
#13
Nikolas H Kazmers, Stephanie Thibaudeau, Patrick Gerety, Alex G Lambi, Lawrence Scott Levin
BACKGROUND: The medial femoral condyle (MFC) flap has become a popular choice for treatment of small bony defects. We aim to describe outcomes after MFC flap treatment of upper and lower extremity osseous defects and test the null hypothesis that no factors influence risks for nonunion, increased time to union, and complications. METHODS: A retrospective chart review was performed on all patients undergoing MFC free vascularized bone flaps by the senior author between May 2010 and March 2016...
April 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29383281/spontaneous-healing-of-a-pediatric-scaphoid-proximal-pole-fracture-nonunion
#14
Neal Rupani, Nicholas Riley, Ian McNab
Background  Scaphoid fractures in the pediatric population are rare. The majority of nondisplaced fractures tend to unite; however, there is an increased risk of nonunion in proximal pole fractures. Limited evidence exists in their outcomes, owing to the scarcity of the fracture pattern. Case Description  A 13-year-old boy who presented late after developing a traumatic proximal pole scaphoid fracture developed nonunion. He was treated conservatively owing to it being asymptomatic and developed union at 18 months...
February 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29383280/a-biomechanical-comparison-of-screw-and-plate-fixations-for-scaphoid-fractures
#15
Jill Goodwin, Paulo Castañeda, Patricia Drace, Scott Edwards
Background  Headless screw fixation is the current gold standard of surgical repair for scaphoid fractures. However, maintaining reduction of certain types of scaphoid fractures is challenging with a compression screw. Plate fixation may offer superior fixation in some scaphoid fractures, particularly those with comminution, nonunion, segmental bony defects, and osteopenic or osteoporotic bone. Purpose  This study questions whether method of fixation is a determinant in load to failure in segmental scaphoid fractures, and whether any fixation provides a greater mechanical advantage in simulated normal versus osteoporotic bone...
February 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29383274/importance-of-computed-tomography-in-determining-displacement-in-scaphoid-fractures
#16
Emily Gilley, Sameer K Puri, Krystle A Hearns, Andrew J Weiland, Michelle G Carlson
Background  Displaced scaphoid fractures have a relatively high rate of nonunion. Detection of displacement is vital in limiting the risk of nonunion when treating scaphoid fractures. Questions/Purpose  We evaluated the ability to diagnose displacement on radiographs and computed tomography (CT), hypothesizing that displacement is underestimated in assessing scaphoid fracture by radiograph compared with CT. Materials and Methods  Thirty-five preoperative radiographs and CT scans of acute scaphoid fractures were evaluated by two blinded observers...
February 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29383272/angular-stable-miniplate-fixation-of-chronic-unstable-scaphoid-nonunion
#17
Philip M J Schormans, Peter R G Brink, Martijn Poeze, Pascal F W Hannemann
Background  Around 5 to 15% of all scaphoid fractures result in nonunion. Treatment of long-lasting scaphoid nonunion remains a challenge for the treating surgeon. Healing of scaphoid nonunion is essential for prevention of scaphoid nonunion advanced collapse and the subsequent predictable pattern of radiocarpal osteoarthritis. Purpose  The purpose of this study was to investigate the feasibility of fixation of the scaphoid nonunion with a volar angular stable miniplate and cancellous bone grafting. We hypothesized that this technique could be successful, even in patients with previous surgery for nonunion and in patients with a long duration of nonunion...
February 2018: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/29358010/volar-plate-fixation-to-treat-scaphoid-nonunion-a-case-series-with-minimum-3-years-of-follow-up
#18
Ignacio Esteban-Feliu, Sergi Barrera-Ochoa, Nuria Vidal-Tarrason, Bernat Mir-Simon, Alex Lluch, Xavier Mir-Bullo
PURPOSE: Several options exist for treating scaphoid nonunion. For selected cases, some authors recommend using a volar buttress plate. The aim of the study was to report the clinical and radiological outcomes achieved at a minimum of 3 years' follow-up of treating scaphoid nonunion with a scaphoid volar plate. METHODS: We retrospectively reviewed 15 patients with symptomatic scaphoid nonunion treated with scaphoid plate osteosynthesis and a bone graft from the volar aspect of the distal radius between January 2011 and November 2013...
January 19, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29357702/the-vascularity-and-osteogenesis-of-a-vascularized-flap-for-the-treatment-of-scaphoid-nonunion-the-pedicle-volar-distal-radial-periosteal-flap
#19
Cary Tanner, Toby Johnson, Alex Majors, Vincent R Hentz, Lisa Husak, Edward Walker Gallego, Brad Christ, Nathan Hoekzema
BACKGROUND: Vascularized periosteal flaps from the distal radius have been previously proposed. The purpose of this study was to investigate the vascularity and osteogenic potential of a vascularized volar distal radial periosteal flap for the treatment of scaphoid nonunion. METHODS: In 5 fresh frozen cadavers, a rectangular periosteal flap was elevated from the distal radius with the pedicle just proximal to the watershed line. Latex dye was injected into the radial artery proximally and the vascularity of the flap characterized by microscopic evaluation...
January 1, 2018: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/29258960/corticocancellous-bone-graft-vs-cancellous-bone-graft-for-the-management-of-unstable-scaphoid-nonunion
#20
J K Kim, J O Yoon, H Baek
INTRODUCTION: This study was undertaken to determine whether corticocancellous bone grafting and cancellous bone grafting differ in terms of bone union rate, restoration of scaphoid anatomy, and wrist function when unstable scaphoid nonunions are concomitantly treated by screw fixation. MATERIALS AND METHODS: This is retrospective cohort study. In Group A (17 patients), unstable scaphoid nonunion was treated with corticocancellous graft harvested from the iliac crest and headless compression screw using volar approach...
February 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
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