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Oblique fracture

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
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
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
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
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
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
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
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)
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
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
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
S M Kotrashetti, A G Singh
The principle of axial compression for better adaptation of fracture segments, with the advantage of increased stability and early function, is a promising means of avoiding the bulky rigid plates used previously. This study was done to compare the treatment outcomes between Herbert screw and lag screw fixation in mandibular fractures. Thirty patients with oblique displaced or undisplaced mandibular fractures requiring open reduction and internal fixation with rigid screw fixation, under general anaesthesia, were included...
August 29, 2016: International Journal of Oral and Maxillofacial Surgery
F J López-Valdés, O Juste-Lorente, M Maza-Frechin, B Pipkorn, C Sunnevang, A Lorente, A Aso-Vizan, J Davidsson
OBJECTIVE: The objective of this article is to analyze the kinematics and dynamics of restrained postmortem human surrogates (PMHS) exposed to a nearside oblique impact and the injuries that were found after the tests. METHODS: Three male PMHS of similar age (64 ± 4 years) and anthropometry (weight: 61 ± 9.6 kg; stature: 172 ± 2.7 cm) were exposed to a 30° nearside oblique impact at 34 km/h. The test fixture approximated the seating position of a front seat occupant...
September 2016: Traffic Injury Prevention
Sinan Sezek, Bunyamin Aksakal, Murat Gürger, Melih Malkoc, Y Say
Total deformation and stability of straight and helical compression plates were studied by means of the finite element method (FEM) and in vitro biomechanical experiments. Fixations of transverse (TF) and oblique (45°) bone (OF) fractures have been analyzed on sheep tibias by designing the straight compression (SP) and Helical Compression Plate (HP) models. The effects of axial compression, bending and torsion loads on both plating systems were analyzed in terms of total displacements. Numerical models and experimental models suggested that under compression loadings, bone fracture gap closures for both fracture types were found to be in the favor of helical plate designs...
August 12, 2016: Bio-medical Materials and Engineering
Funda Yılmaz, Kıvanç Kamburoglu, Naz Yakar Yeta, Meltem Dartar Öztan
Although intraoral radiographs still remain the imaging method of choice for the evaluation of endodontic patients, in recent years, the utilization of cone beam computed tomography (CBCT) in endodontics showed a significant jump. This case series presentation shows the importance of CBCT aided diagnosis and treatment of complex endodontic cases such as; root resorption, missed extra canal, fusion, oblique root fracture, non-diagnosed periapical pathology and horizontal root fracture. CBCT may be a useful diagnostic method in several endodontic cases where intraoral radiography and clinical examination alone are unable to provide sufficient information...
July 28, 2016: World Journal of Radiology
Bong-Ju Park, Hong-Man Cho, Woong-Bae Min
PURPOSE: To compare the clinical and radiological results between internal fixation using the proximal femoral nail system and bipolar hemiarthroplasty (BHA) in reverse oblique intertrochanteric hip fractures in elderly patients. MATERIALS AND METHODS: From January 2005 to July 2012, we reviewed the medical records of 53 patients who had been treated surgically for reverse oblique intertrochanteric fracture and had been followed-up on for a minimum of two years...
September 2015: Hip Pelvis
John Clarke-Jenssen, Annette K B Wikerøy, Olav Røise, Stein Arne Øvre, Jan Erik Madsen
BACKGROUND: Few studies have evaluated the long-term results for nonoperatively treated acetabular fractures. The purpose of this study was to describe the long-term survival of the native acetabulum as well as the clinical and radiographic outcome for patients with nonoperatively treated acetabular fractures. METHODS: All patients with acetabular fractures are prospectively registered in our acetabular fracture database and followed up at regular intervals for up to 20 years...
August 17, 2016: Journal of Bone and Joint Surgery. American Volume
Gordon R Osinski, Ludovic Ferrière
Meteorite impact craters are one of the most common geological features in the solar system. An impact event is a near-instantaneous process that releases a huge amount of energy over a very small region on a planetary surface. This results in characteristic changes in the target rocks, from vaporization and melting to solid-state effects, such as fracturing and shock metamorphism. Shatter cones are distinctive striated conical fractures that are considered unequivocal evidence of impact events. They are one of the most used and trusted shock-metamorphic effects for the recognition of meteorite impact structures...
August 2016: Science Advances
Giuseppe Spinelli, Davide Lazzeri, Francesco Arcuri, Domenico Valente, Tommaso Agostini
Fractures of the mandibular angle account for 23 to 42% of all facial fractures with a high complication rate (0-32%). Although the ideal treatment remains debatable, two main procedures are commonly used to manage the majority of mandibular angle fractures that are open reduction and internal fixation by a noncompression miniplate placed on the external oblique ridge with or without a second miniplate on the outer cortex. The purpose of this study was to describe our management of mandibular angle fractures by two noncompression miniplates placed on the outer cortex via a transbuccal approach...
September 2016: Craniomaxillofacial Trauma & Reconstruction
Peter Kaiser, René Attal, Mark Kammerer, Michael Thauerer, Lea Hamberger, Raul Mayr, Werner Schmoelz
INTRODUCTION: This study compared the feasibility of six different CT-based measurement techniques for establishing an indication for derotational osteotomy in the cases of patellar instability or femoral fracture. MATERIALS AND METHODS: CT scans of 52 single human cadaver femora were measured using six different torsion measurement techniques (described by Waidelich, Murphy, and Yoshioka on transverse images and Hernandez, Jarrett, and Yoshioka on oblique images)...
September 2016: Archives of Orthopaedic and Trauma Surgery
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