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https://www.readbyqxmd.com/read/27905184/lower-urinary-tract-imaging-in-pelvic-fracture-an-11-year-review-of-genitourinary-complications-and-clinical-outcomes
#1
Wilson Choi, Handoo Rhee, Eric Chung
BACKGROUND: Diagnostic cysto-urethrogram (CUG) is accepted as the standard of imaging for lower urinary tract (LUT) injuries in patients with pelvic fracture. This study evaluates the prevalence of LUT trauma and adequacy of diagnostic CUG in the initial assessment of patients with pelvic fractures. METHODS: A retrospective review on all patients admitted with pelvic trauma between 2002 and 2012 was undertaken following ethics approval. Patient demographics such as pelvic fracture pattern, genitourinary injury, diagnostic imaging tests and clinical outcomes were reviewed...
December 1, 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/27888274/percutaneous-sacroplasty-for-the-management-of-painful-pathologic-fracture-in-a-multiple-myeloma-patient-case-report-and-review-of-the-literature
#2
A A Dmytriw, K Talla, R Smith
Percutaneous kyphoplasty has a well-established role in the treatment of pathologic fractures in patients with multiple myeloma. Despite this, there is a scarcity of literature surrounding its use and efficacy in the sacrum. We present a case of successful symptom resolution in a patient with painful sacral fracture following sacroplasty, and review the existing literature.An 81-year-man with multiple myeloma presented to the hematology/oncology clinic with a history of excruciating pain while seated. The impact of this pain on his quality of life subjectively was rated to be particularly high...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27882811/the-ao-pediatric-comprehensive-classification-of-long-bone-fractures-pccf-part-ii
#3
Alexander Joeris, Nicolas Lutz, Andrea Blumenthal, Theddy Slongo, Laurent Audigé
Background and purpose - To achieve a common understanding when dealing with long bone fractures in children, the AO Pediatric Comprehensive Classification of Long Bone Fractures (AO PCCF) was introduced in 2007. As part of its final validation, we present the most relevant fracture patterns in the lower extremities of a representative population of children classified according to the PCCF. Patients and methods - We included patients up to the age of 17 who were diagnosed with 1 or more long bone fractures between January 2009 and December 2011 at either of 2 tertiary care university hospitals in Switzerland...
November 24, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27881319/influence-of-remaining-tooth-structure-and-restorative-material-type-on-stress-distribution-in-endodontically-treated-maxillary-premolars-a-finite-element-analysis
#4
Junxin Zhu, Qiguo Rong, Xiaoyan Wang, Xuejun Gao
STATEMENT OF PROBLEM: How tooth preparation and material type affect the stress distribution of endodontically treated teeth restored with endocrowns remains unclear. PURPOSE: The purpose of this finite element (FE) study was to determine the influence of the quantity of remaining dental tissues and material type on stress distribution in endodontically treated maxillary premolars using 3-dimensional FE analysis. MATERIAL AND METHODS: Five 3-dimensional FE models were constructed on the basis of the restorative methods used and the quantity of preserved tooth tissues: a sound maxillary premolar, an endodontically treated maxillary premolar restored with composite resin, and endodontically treated maxillary premolars restored with endocrowns with thicknesses of 1...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27871096/responses-and-injuries-to-pmhs-in-side-facing-and-oblique-seats-in-horizontal-longitudinal-sled-tests-per-faa-emergency-landing-conditions
#5
John R Humm, Narayan Yoganandan, Frank A Pintar, Richard L DeWeese, David M Moorcroft, Amanda M Taylor, Brian Peterson
The objective of the present exploratory study is to understand occupant responses in oblique and side-facing seats in the aviation environment, which are increasingly installed in modern aircrafts. Sled tests were conducted using intact Post Mortem Human Surrogates (PMHS) seated in custom seats approximating standard aircraft geometry. End conditions were selected to represent candidate aviation seat and restraint configurations. Three-dimensional head center-of-gravity linear accelerations, head angular velocities, and linear accelerations of the T1, T6, and T12 spinous processes, and sacrum were obtained...
November 2016: Stapp Car Crash Journal
https://www.readbyqxmd.com/read/27871095/investigation-of-pelvic-injuries-on-eighteen-post-mortem-human-subjects-submitted-to-oblique-lateral-impacts
#6
Matthieu Lebarbé, Pascal Baudrit, Pascal Potier, Philippe Petit, Xavier Trosseille, Sabine Compigne, Mitsutoshi Masuda, Takumi Fujii, Richard Douard
The aim of this study was to investigate the sacroiliac joint injury mechanism. Two test configurations were selected from full scale car crashes conducted with the WorldSID 50(th) dummy resulting in high sacroiliac joint loads and low pubic symphysis force, i.e. severe conditions for the sacroiliac joint. The two test conditions were reproduced in laboratory using a 150-155 kg guided probe propelled respectively at 8 m/s and 7.5 m/s and with different shapes and orientations for the plate impacting the pelvis...
November 2016: Stapp Car Crash Journal
https://www.readbyqxmd.com/read/27857522/the-use-of-reformatted-cone-beam-ct-images-in-assessing-mid-face-trauma-with-a-focus-on-the-orbital-floor-fractures
#7
Raluca Roman, Mihaela Hedeşiu, Floarea Fildan, Robert Ileşan, Diana Mitea, Cristian Dinu, Mihaela Băciuţ
BACKGROUND AND AIM: This study aims at evaluating the reliability on specific multi-planar cone beam computer tomography (CBCT) reconstruction in the orbital floor fractures. METHODS: CBCT examination of the mid-face fractures area involving the floor of the orbit was performed in a number of 93 trauma patients by two independent radiologists. Both radiologists assessed the axial, coronal and sagittal sections and also the oblique coronal and sagittal extracted sections evaluating the location of the orbital fractures, its size and displacement, the involvement of the infra-orbital foramen, herniation of fat or muscle within the maxillary sinus, the overall type of the fracture and the implication of lateral or medial orbital wall...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27810454/management-of-type-ii-odontoid-fractures-latin-american-spine-centers-experience
#8
Asdrubal Falavigna, Orlando Righesso, Pedro Guarise da Silva, Carlos Rocca Siri, Jefferson W Daniel, José Carlos Esteves Veiga, Gustavo Borges Laurindo de Azevedo, Ratko Yurac, Felix Adolfo Sanchez Chavez, Ericson Sfreddo, Andre Cecchini, Marcelo Martins do Reis, K Daniel Riew
OBJECTIVE: To analyze the characteristics of type-II odontoid fractures (TII-OF); the clinical and radiographical factors that influence surgical planning in eight Latin American centers. METHODS: Retrospective chart review of 88 patients reported with TII-OF between 2004 and 2015 from eight Latin American centers. The studied parameters were: (I) demographic data, (II) cause of fracture, (III) clinical and neurologic presentation, (IV) characteristics of the fracture (degree of odontoid displacement, displacement of the odontoid relative to the C2 body, anatomy of the fracture line, the distance between fragments, presence of comminution, contact area between the odontoid and the C2 body, (V) type of treatment, (VI) clinical and radiographic outcome...
October 31, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27776924/in-vitro-evaluation-of-the-resistance-of-three-types-of-fixation-to-treat-fractures-of-the-mandibular-angle
#9
D Maritza Contreras Gonzalez, G Spagnol, C Edvard Sverzut, A Elias Trivellato
The purpose of this study was to compare the mechanical resistance of three different plates used to treat fractures of the mandibular angle: a regular 4-hole plate, a longer 4-hole plate (both positioned using the Champy technique), and a 3-dimensional plate positioned over the oblique line. Three equal groups of replicas of human dentate mandibles made out of polyurethane resin were used (n=21 in each group). The force was applied perpendicular to the occlusal plane at a rate of 2mm/minute at three different points: the first molar on the sectioned side; the first molar on the contralateral side; and between the central incisors...
October 21, 2016: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/27766369/sensitivity-and-specificity-of-radiographic-characteristics-in-atypical-femoral-fractures
#10
A L Adams, F Xue, J Q Chantra, R M Dell, S M Ott, S Silverman, J C Giaconi, C Critchlow
: Using the American Society for Bone and Mineral Research Task Force case definition for atypical femoral fractures, sensitivity and specificity of radiographic fracture characteristics were calculated. Fracture pattern was the most sensitive and specific characteristic. This suggests that some characteristics should be weighted more heavily when identifying these fractures. INTRODUCTION: To estimate the sensitivity and specificity of each radiographic criterion in the 2013 ASBMR atypical femoral fracture (AFF) case definition for distinguishing AFF from other subtrochanteric/diaphyseal fractures (non-AFF) among women enrolled in a large integrated health care organization...
October 21, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27739557/clinical-evaluation-of-a-mini-locking-plate-system-for-fracture-repair-of-the-radius-and-ulna-in-miniature-breed-dogs
#11
Byung-Jae Kang, Hak-Hyun Ryu, Sungsu Park, Yongsun Kim, Oh-Kyeong Kweon, Kei Hayashi
OBJECTIVES: To retrospectively evaluate the effectiveness of a novel 1.2 mm mini locking plate system in treating fractures of the radius and ulna in miniature breed dogs. METHODS: Medical records and radiographs of miniature breed dogs with fractures treated with a 1.2 mm mini locking plate system were reviewed. The inclusion criteria were: body weight of 2.5 kg or less, transverse or short oblique fracture of the radius and ulna, and treatment with mini locking plate system as the sole method of fixation...
October 14, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27726749/posterior-root-meniscal-tears-preoperative-intraoperative-and-postoperative-imaging-for-transtibial-pullout-repair
#12
Andrew R Palisch, Ronald R Winters, Marc H Willis, Collin D Bray, Theodore B Shybut
The menisci play an important biomechanical role in axial load distribution of the knees by means of hoop strength, which is contingent on intact circumferentially oriented collagen fibers and meniscal root attachments. Disruption of the meniscal root attachments leads to altered biomechanics, resulting in progressive cartilage loss, osteoarthritis, and subchondral edema, with the potential for development of a subchondral insufficiency fracture. Identification of meniscal root tears at magnetic resonance (MR) imaging is crucial because new arthroscopic surgical techniques (transtibial pullout repair) have been developed to repair meniscal root tears and preserve the tibiofemoral cartilage of the knee...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27721563/comparison-of-shear-bond-strength-of-reattached-incisor-fragment-using-er-cr-ysgg-laser-etching-and-conventional-acid-etching-an-in-vitro-study
#13
Ferah Rehman, Gyanendra Kumar, Mridula Goswami, Jatinder Kaur Dhillon
Aim: The aim of this invitro study is to evaluate the shear bond strength of reattached fractured incisor fragments using Er,Cr:YSGG laser and conventional acid etching without additional tooth preparation. Materials and methods: Forty extracted human teeth were divided in two groups of 20 each (Groups A and B). In Group A, fractured surface was treated by an Er, Cr: YSGG laser system (Waterlase MD, Biolase Technology Inc., San Clemente, CA, USA) operating at a wavelength of 2,780 nm and frequency of 20 Hz...
June 29, 2016: Laser Therapy
https://www.readbyqxmd.com/read/27709875/common-errors-in-the-management-of-pediatric-supracondylar-humerus-fractures-and-lateral-condyle-fractures
#14
Gurpal S Pannu, Craig P Eberson, Joshua M Abzug, Bernard D Horn, Donald S Bae, Martin Herman
Supracondylar humerus fractures and lateral condyle fractures are the two most common pediatric elbow fractures that require surgical intervention. Although most surgeons are familiar with supracondylar humerus fractures and lateral condyle fractures, these injuries present challenges that may lead to common errors in evaluation and management and, thus, compromise outcomes. It is well agreed upon that nondisplaced supracondylar fractures (Gartland type I) are best managed nonsurgically with cast immobilization...
February 15, 2016: Instructional Course Lectures
https://www.readbyqxmd.com/read/27689841/fractographical-analysis-and-biomechanical-considerations-of-a-tooth-restored-with-intracanal-fiber-post-report-of-the-fracture-and-importance-of-the-fiber-arrangements
#15
V F Wandscher, C D Bergoli, I F Limberger, T P Cenci, P Baldissara, L F Valandro
OBJECTIVE: This article aims to present a fractographic analysis of an anterior tooth restored with a glass fiber post with parallel fiber arrangement, taking into account force vectors, finite element analysis, and scanning electron microscopy (SEM). METHODS: A patient presented at the Faculty of Dentistry (Federal University of Santa Maria, Brazil) with an endodontically treated tooth (ETT), a lateral incisor that had a restorable fracture. The treatment was performed, and the fractured piece was analyzed using stereomicroscopy, SEM, and finite element analysis...
September 2016: Operative Dentistry
https://www.readbyqxmd.com/read/27689420/a-novel-minimally-invasive-dorsolateral-tubular-partial-odontoidectomy-and-autologous-bone-augmentation-to-treat-dens-pseudarthrosis-cadaveric-3d-virtual-simulation-study-and-technical-report
#16
Eleftherios Archavlis, Lucas Serrano, Eike Schwandt, Amr Nimer, Moisés Felipe Molina-Fuentes, Tamim Rahim, Maximilian Ackermann, Angelika Gutenberg, Sven Rainer Kantelhardt, Alf Giese
OBJECTIVE The goal of this study was to demonstrate the clinical and technical nuances of a minimally invasive, dorsolateral, tubular approach for partial odontoidectomy, autologous bone augmentation, and temporary C1-2 fixation to treat dens pseudarthrosis. METHODS A cadaveric feasibility study, a 3D virtual reality reconstruction study, and the subsequent application of this approach in 2 clinical cases are reported. Eight procedures were completed in 4 human cadavers. A minimally invasive, dorsolateral, tubular approach for odontoidectomy was performed with the aid of a tubular retraction system, using a posterolateral incision and an oblique approach angle...
September 30, 2016: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/27684849/elastic-stable-intramedullary-nailing-for-severely-displaced-distal-tibial-fractures-in-children
#17
Kaiying Shen, Haiqing Cai, Zhigang Wang, Yunlan Xu
Elastic stable intramedullary nailing (ESIN) has became a well-accepted method of osteosynthesis of diaphyseal fractures in the skeletally immature patient for many advantages, the purpose of this study is to evaluate the preliminary results of this minimally invasive treatment for severely displaced distal tibial diaphyseal metaphyseal junction (DTDMJ) fractures.This study was carried out over a 6-year period. Twenty-one severely displaced DTDMJ fractures treated using ESIN were evaluated clinically and radiographically...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27682020/use-of-inlet-obturator-oblique-view-leeds-view-for-placement-of-posterior-wall-screws-in-acetabular-fracture-surgery
#18
Theodoros H Tosounidis, Peter V Giannoudis
Posterior wall (PW) fractures are the most common fractures requiring surgical fixation in acetabular surgery. Extra-articular screw placement must be confirmed intra-operatively. Herein we describe the use of the Inlet and Obturator Oblique view (the "Leeds view") for screw placement in elementary PW and in Associated Both Column with Posterior Wall (ABC/PW) fractures. We highlight our steps to ensure accurate placement in a small series of patients.
September 24, 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27663051/osseous-anatomy-of-the-distal-radioulnar-joint-an-assessment-using-3-dimensional-modeling-and-clinical-implications
#19
Parham Daneshvar, Ryan Willing, Markian Pahuta, Ruby Grewal, Graham J W King
PURPOSE: Using a novel technique, we assess and describe the distal radioulnar joint (DRUJ) anatomy. The purpose of this study was to provide the anatomic dimensions of the DRUJ and to evaluate contralateral symmetry. METHODS: Computed tomography images of 100 cadaveric forearms were obtained. Three-dimensional models of the radius and ulna were generated and evaluated using 3-dimensional modeling software. Measurements of the radius of curvature of the sigmoid notch (SN) and ulnar head (UH), as well as the length of the SN and volar and dorsal lips were performed in the axial and coronal sequences...
September 20, 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27658540/anterior-nasal-transposition-of-the-inferior-oblique-muscle-can-cause-antielevation-syndrome
#20
Jinu Han, Minjae Kang, Sueng-Han Han
We present a case of acquired severe excyclotropia that occurred following multiple orbital wall fracture and traumatic superior oblique palsy in an 18-year-old man. The patient suffered from severe torsional diplopia in the right eye; double Maddox rod testing showed excylotorsion of 25°. After anterior nasal transposition of the right inferior oblique muscle, His subjective torsional diplopia improved; however, severe antielevation syndrome was noted after surgery.
September 20, 2016: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
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