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https://www.readbyqxmd.com/read/28430720/the-effect-of-insertion-technique-on-temperatures-for-standard-and-self-drilling-external-fixation-pins
#1
Sarah Manoogian, Adam K Lee, James C Widmaier
OBJECTIVES: No studies have assessed the effects of parameters associated with insertion temperature in modern self-drilling external fixation pins. The current study assessed how varying the presence of irrigation, insertion speed, and force impacted the insertion temperatures of two types of standard and self-drilling external fixation half pins. METHODS: Seventy tests were conducted with ten trials for four conditions on self-drilling pins and three conditions for standard pins...
April 6, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28429173/a-new-approach-to-local-dco-in-ankle-fracture-dislocations-external-fixation-with-diaphyseal-unicortical-screws-applied-by-local-anaesthesia
#2
F Lavini, T Maluta, G Carpeggiani, C Dall'Oca, E Samaila, G Marconato, B Magnan
PURPOSE: Ankle fracture dislocations represent a great threat for soft tissue viability and articular instability. The use of a temporary ankle bridging ExFix plays a fundamental role in the local damage control orthopaedics while waiting for definitive synthesis. METHODS: For this prospective research, we have developed a full application protocol of innovative diaphyseal monocortical screws fixator (Unyco-Orthofix(TM)) exclusively under local anaesthesia. Rigid selection criteria allowed us to collect nine patients during a period of almost 2 years...
April 20, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28428035/evaluation-of-the-external-fixator-truelok-hexapod-system-for-tibial-deformity-correction-in-children
#3
Sébastien Pesenti, Christopher A Iobst, Franck Launay
BACKGROUND: Tibial deformities are common in paediatric orthopaedic practice. Correcting multiplanar tibial deformities associated with lower limb length discrepancycan be challenging. Hexapod external fixation with gradual correction has been proven effective in this situation. OBJECTIVE: To assess clinical and radiological outcomes of gradual tibial deformity correction using the external fixator TL-HEX(TM)(Orthofix) in children. HYPOTHESIS: TL-HEX™ is effective in correcting tibial deformities in children...
April 17, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28423441/-thumb-lengthening-following-amputation-at-the-proximal-phalanx-using-a-semicircular-distraction-ring-fixator-results-of-5-cases
#4
Elvira Susanne Bodmer, Rahel Meier, Theddy Slongo, Esther Voegelin
Traumatic amputation of the thumb at the proximal phalanx or the metacarpophalangeal joint can be treated by distraction lengthening depending on the location of the amputation, the patient's age, occupation and functional demands. We report the results of proximal phalanx lengthening in 5 patients using a semicircular ring-type external fixator device. This prototype was developed at our clinic in collaboration with a specialised small company (Rotomed AG, Allmenstrasse 4, CH-4512 Bellach, www.rotomed.ch) based on the principles of Ilizarov's external fixator...
February 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28420623/externalised-locking-compression-plate-as-an-alternative-to-the-unilateral-external-fixator-a-biomechanical-comparative-study-of-axial-and-torsional-stiffness
#5
B F H Ang, J Y Chen, A K S Yew, S K Chua, S M Chou, S L Chia, J S B Koh, T S Howe
OBJECTIVES: External fixators are the traditional fixation method of choice for contaminated open fractures. However, patient acceptance is low due to the high profile and therefore physical burden of the constructs. An externalised locking compression plate is a low profile alternative. However, the biomechanical differences have not been assessed. The objective of this study was to evaluate the axial and torsional stiffness of the externalised titanium locking compression plate (ET-LCP), the externalised stainless steel locking compression plate (ESS-LCP) and the unilateral external fixator (UEF)...
April 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28419034/complications-and-functional-outcomes-after-pantalar-dislocation
#6
Kaeleen A Boden, Douglas S Weinberg, Heather A Vallier
BACKGROUND: Pantalar dislocations without associated talar fracture are rare and have high risks of complications, including infection, osteonecrosis, and posttraumatic osteoarthrosis. Limited information on later function exists. This study evaluated complications and outcomes following pantalar dislocation without talar fracture. METHODS: Nineteen patients were identified with open (n = 14) or closed (n = 5) pantalar dislocations without talar fracture. Ten male and 9 female patients with a mean age of 39...
April 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28417290/unilateral-external-fixator-in-the-treatment-of-humeral-shaft-fractures-results-of-a-single-center-retrospective-study
#7
M Basso, M Formica, L Cavagnaro, M Federici, M Lombardi, F Lanza, L Felli
BACKGROUND: The aim of our work is to evaluate and critically analyze long-term clinical and radiological data of a new unilateral external fixator (MIKAI KIT FEP©-Mikai S.p.A, Genoa, Italy), in the treatment of humeral shaft fractures. MATERIALS AND METHODS: We reviewed 47 patients affected by humeral fractures that underwent surgery from July 2010 to March 2016 with unilateral external fixator. Demographic characteristics of the patients were recorded, which included age, sex and baseline comorbidities and mechanism of injury...
April 17, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28416831/-morphology-character-and-reduction-methods-of-sagittally-unstable-intertrochanteric-fractures
#8
S Zhang, J Y Zhang, D M Yang, M Yang, P X Zhang
OBJECTIVE: To investigate the morphology character of sagittally unstable intertrochanteric fractures and reduction methods. METHODS: A retrospective study was used to analyze the clinical data of sagittally unstable intertrochanteric fractures cases, which were treated with proximal femoral nail anti-rotation (PFNA) fixation from March 2009 to June 2016. In the study, 36 cases were followed up completely, in which 17 cases accepted open reduction, and the other 19 cases accepted minimally invasive reduction...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28414721/a-novel-smart-navigation-system-for-intramedullary-nailing-in-orthopedic-surgery
#9
Jaesuk Choi, Jihun Kim, Jae Youn Hwang, Minkyu Je, Jun-Young Kim, Shin-Yoon Kim
This paper proposes a novel smart surgical navigation system for intramedullary nailing in orthopedic surgery. Using a handle-integrated laser guidance module, the system can target a drill insertion point onto skin, indicating an accurate target position to perpendicularly access an invisible distal hole. The proposed handle-integration-based fixation of the laser guidance module precisely defines the relative position of the module with respect to the distal hole. Consequently, unlike conventional systems, the proposed system can indicate the target insertion point without any help from bulky and costly external position-tracking equipment that is usually required for compensating disturbances generated by external impacts...
2017: PloS One
https://www.readbyqxmd.com/read/28412187/restoring-volar-tilt-in-ao-type-c2-fractures-of-the-distal-radius-with-unilateral-external-fixation
#10
Kenneth F Taylor, David Gendelberg, Michael B Lustik, Matthew L Drake
PURPOSE: To determine whether unilateral external fixation using a staged multiplanar reduction technique restores anatomic volar tilt in a distal radius fracture model. METHODS: We used radiographic images to obtain baseline measurements in 20 fresh-frozen cadaveric wrists. Through a standard dorsal approach to the radius, we performed osteotomies to simulate displaced AO/ASIF type C2 fractures. After placement of a unilateral external fixator, a stepwise technique of applying longitudinal traction followed by a volar translational maneuver was performed...
April 12, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28410710/supracapsular-glued-intraocular-lens-in%C3%A2-progressive-subluxated-cataracts-technique-to-retain-an-intact-vitreous-face
#11
Soosan Jacob, Smita Narasimhan, Amar Agarwal, Cosimo Mazzotta, Miguel Rechichi, Athiya Agarwal
We describe a technique to prevent late intraocular lens (IOL) subluxation and dislocation that can be associated with progressive zonulopathy. Supracapsular glued IOL fixation is done to retain an intact anterior hyaloid face and avoid vitreous disturbance while providing stable long-term IOL fixation. Phacoemulsification is followed by glued IOL implantation above intact anterior and posterior capsules. Sclerotomies are created ab interno in a supracapsular plane under diametrically opposite lamellar scleral flaps without entering the vitreous cavity...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28409337/surgical-considerations-with-the-operative-fixation-of-unstable-paediatric-pelvic-ring-injuries
#12
Mohamed Kenawey
INTRODUCTION: The operative treatment of unstable pelvic injuries in paediatrics is not frequently indicated. The detailed modes of pelvic ring failure, surgical techniques, fixation choices, and peri-operative difficulties are not well reported. METHODS: From September 2010 to March 2016, 62 paediatric patients were admitted to an academic level I trauma center with the diagnosis of pelvic ring injury. Of them, 29 (17 males and 12 females) had operative fixation of unstable pelvic injuries...
April 13, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28407545/application-of-synthetic-iron-oxide-coated-zeolite-for-the-pollution-control-of-river-sediments
#13
Tongzhou Liu, Hong Wang, Zhen Zhang, Da Zhao
Contaminants released from river sediments are catching more attentions for river environmental management, especially when external sources of river pollution have been well controlled. To reduce the contaminant release from sediments, in-situ capping is often applied because of its effective reduction of contaminant flux and minimal disturbance to the surroundings. As an innovative sediment capping material, iron-oxide coated zeolite (IOCZ) was synthesized, characterized, and evaluated in this study. Its performance for the NH4(+)-N, PO4(3-)-P, and S(2-)-S fixation in aqueous solutions was evaluated using batch and fixed-bed column experiments...
April 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28403633/radiographic-outcomes-of-dorsal-distraction-distal-radius-plating-for-fractures-with-dorsal-marginal-impaction
#14
Eric G Huish, John G Coury, Mohamed A Ibrahim, Marc A Trzeciak
BACKGROUND: The purpose of this study is to compare radiographic outcomes of patients treated with dorsal spanning plates with previously reported normal values of radiographic distal radius anatomy and compare the results with prior publications for both external fixation and internal fixation with volar locked plates. METHODS: Patients with complex distal radius fractures including dorsal marginal impaction pattern necessitating dorsal distraction plating at the discretion of the senior authors (M...
April 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28403000/the-combined-use-of-a-neurocutaneous-flap-and-the-ilizarov-technique-for-reconstruction-of-large-soft-tissue-defects-and-bone-loss-in-the-tibia
#15
Jia Xu, Wan-Run Zhong, Liang Cheng, Chun-Yang Wang, Gen Wen, Pei Han, Yi-Min Chai
BACKGROUND: Management of posttraumatic large soft tissue defects and bone loss remains a therapeutic and surgical challenge for orthopedic surgeons. We assessed the use of a neurocutaneous flap and the Ilizarov technique in the reconstruction of severe composite defects in the tibia. METHODS: We retrospectively reviewed 18 consecutive patients with trauma-related soft tissue defects and bone loss. The size of the soft tissue defect ranges from 8 × 9 cm to 14 × 18 cm...
May 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28401278/arthroscopic-reduction-and-fixation-for-displaced-greater-tuberosity-fractures-using-the-modified-suture-bridge-technique
#16
RenLong Li, Ming Cai, Kun Tao
PURPOSE: The aim of this study was to evaluate the early clinical outcomes of arthroscopic treatment of avulsion or comminuted fractures of the greater tuberosity (GT) using a modified suture-bridge technique. METHODS: Between February 2013 and November 2015, 14 patients with displaced or comminuted fractures of GT were arthroscopically treated using a modified suturebridge technique. Displacement of the GT fragments was > 3 mm in any plane. An analysis of follow-up results including the University of California, Los Angeles (UCLA) shoulder scale; the shoulder index of the American Shoulder and Elbow Surgeons (ASES); the simple shoulder test (SST); and shoulder range of motion (ROM), is presented...
April 11, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28400870/a-prospective-cohort-study-of-the-therapeutic-patterns-challenges-and-outcomes-of-paediatric-femoral-fractures-in-a-cameroonian-tertiary-center
#17
Joel Noutakdie Tochie, Marc Leroy Guifo, Marie-Ange Ngo Yamben, Roger Moulion, Ibrahim Farikou
BACKGROUND: Knowledge of the therapeutic patterns, challenges and outcomes of treatment of paediatric femoral fractures (PFF) helps to better choose the ideal therapeutic modality which is still controversial. However, this data is scarce in the sub-Saharan African literature. OBJECTIVE: To determine the therapeutic patterns, treatment challenges and outcomes of treatment of PFF in a tertiary care centre in Cameroon. METHOD: We conducted a prospective cohort study of all consenting consecutive cases of femoral fractures in patients younger than 16 years managed between 2011 and 2015 at the surgical unit of Yaoundé University Teaching Hospital, Cameroon...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28400671/distraction-osteogenesis-using-combined-locking-plate-and-ilizarov-fixator-in-the-treatment-of-bone-defect-a-report-of-2-cases
#18
John Mukhopadhaya, Manish Raj
Distraction osteogenesis and bone transport has been used to reconstruct bone loss defect by allowing new bone to form in the gap. Plate-guided bone transport has been successfully described in literature to treat bone loss defect in the femur, tibia, and mandible. This study reports two cases of fracture of femur with segmental bone loss treated with locking plate fixation and bone transport with Ilizarov ring fixator. At the time of docking, when the transport segment is compressed with bone fragment, the bone fragment is fixed with additional locking or nonlocking screws through the plate...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28399323/short-stem-reverse-total-shoulder-arthroplasty-periprosthetic-type-a-fracture
#19
Bryan M Saltzman, Timothy Leroux, Michael J Collins, Thomas A Arns, Brian Forsythe
Alterations have been made over the years to the standard reverse total shoulder arthroplasty (RTSA) prosthetic components in an effort to decrease adverse events; this has led to the advent of a short humeral stem prosthesis. To the authors' knowledge, there are no reports describing the complication of a traumatic periprosthetic Wright and Cofield classification type A fracture with use of a short metaphyseal humeral stem component for RTSA. The authors describe a 49-year-old woman with this pathology who was treated with open reduction and internal fixation using a proximal humerus locking plate, unicortical and bicortical screw fixation, and a cerclage wire construct without the need to violate the shoulder joint or revise components...
April 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28399048/pediatric-femoral-shaft-fractures-a-multicenter-review-of-the-aaos-clinical-practice-guidelines-before-and-after-2009
#20
John D Roaten, Derek M Kelly, Joseph L Yellin, John M Flynn, Micaela Cyr, Sumeet Garg, Alexander Broom, Lindsay M Andras, Jeffrey R Sawyer
BACKGROUND: To determine if the AAOS clinical practice guidelines (CPG) for the treatment of pediatric femoral shaft fractures (2009) changed treatment, we analyzed pediatric femoral shaft fractures at 4 high-volume, geographically separated, level-1 pediatric trauma centers over a 10-year period (2004 to 2013). METHODS: Consecutive series of pediatric femoral shaft fractures (ages, birth to 18 y) treated at the 4 centers were reviewed. Treatment methods were analyzed by age and treatment method for each center and in aggregate...
April 10, 2017: Journal of Pediatric Orthopedics
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