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https://www.readbyqxmd.com/read/27900307/arthroscopic-fixation-of-coronoid-process-fractures-through-coronoid-tunnelling-and-capsular-plication
#1
Paolo Arrigoni, Riccardo D'Ambrosi, Davide Cucchi, Simone Nicoletti, Enrico Guerra
PURPOSE: the purpose of this study is to describe a new arthroscopic technique for reduction and fixation of coronoid process fractures (CPFs) and report clinical and functional results in 4 patients after a 24-month follow-up. METHODS: four patients underwent arthroscopic reduction and fixation of isolated CPFs (acute or non-unions, type I or type II according to the Regan-Morrey classification) performed using a new technique based on coronoid tunnelling and capsular plication...
July 2016: Joints
https://www.readbyqxmd.com/read/27896211/comparison-of-postoperative-changes-in-the-distal-and-proximal-segments-between-conventional-and-sliding-mini-plate-fixation-following-mandibular-setback
#2
Seong-Sik Kim, Kyoung-Ho Kwak, Ching-Chang Ko, Soo-Byung Park, Woo-Sung Son, Yong-Il Kim
OBJECTIVE: The purpose of the present study was to evaluate the postoperative three-dimensional (3D) changes in the proximal segments after mandibular setback sagittal split ramus osteotomy and to compare the changes between the conventional mini-plate fixation and semi-rigid sliding plate fixation. METHODS: Cone-beam computed tomography (CBCT) images were used to evaluate the postoperative 3D changes in the proximal segments during the healing process. CBCT images were superimposed using the symphysis and the lower anterior mandible as references...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27886684/controversies-in-fractures-of-the-proximal-ulna
#3
REVIEW
Christopher M Hopkins, James H Calandruccio, Benjamin M Mauck
The olecranon process, coronoid process, and greater sigmoid notch are important components of the complex proximal ulna. Along with providing bony stability to the ulnohumeral joint, the proximal ulna serves as the attachment site of many important muscles and ligaments that impart soft tissue stability to the elbow joint. Management of proximal ulnar fractures continues to evolve as advances in imaging and anatomic and biomechanical studies have led to improvements in available implants; however, controversies remain, as shown in the current relevant literature...
January 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/27882276/isolated-non-traumatic-bilateral-coronoid-process-fracture-of-the-mandible
#4
Nabil Al-Khalisi, Krishna Kumar, Natasha Acosta
Isolated bilateral fractures of the coronoid processes of the mandible occurred in this patient without any significant trauma. The definite etiology of this case is unknown, but possible causes or contributing factors may include acute reflex contraction of the patient's temporalis muscles leading to bilateral stress fractures, coronoid process hyperplasia, or the patient's long-term use of omeprazole. The planned treatment for this patient included pain control with Mobic and tramadol and splint fabrication followed by arch bar placement with training elastics for six weeks...
October 13, 2016: Curēus
https://www.readbyqxmd.com/read/27876362/boxer-s-elbow-internal-impingement-of-the-coronoid-and-olecranon-process-a-report-of-seven-cases
#5
Paul M Robinson, Mike Loosemore, Adam C Watts
BACKGROUND: Boxer's elbow has been described in the literature as an extension and hyperextension injury. However, in our experience, there is a coexisting impingement lesion in the anterior compartment of the elbow that has not previously been described. We report a series of professional boxers with elbow disease treated arthroscopically. The aim of the paper was to accurately describe the pathoanatomy of the condition, the key points in its diagnosis, and the outcomes of surgical treatment...
November 18, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27863927/concomitant-injury-of-the-annular-ligament-in-fractures-of-the-coronoid-process-and-the-supinator-crest
#6
Tim Leschinger, Lars Peter Müller, Michael Hackl, Martin Scaal, Kay Schmidt-Horlohé, Kilian Wegmann
BACKGROUND: Fractures of the coronoid process or the supinator crest, as well as arthroscopic resection of osteophytes around the coronoid process, can endanger the attachment of the annular ligament (AL) to the proximal ulna. The purpose of this study was to investigate the corresponding insertional areas of the AL within this context. METHODS: In 30 embalmed human cadaveric elbow specimens, the insertional area of the AL at the anterior and posterior margin of the sigmoid notch was characterized...
November 15, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27858838/a-case-report-of-children-s-divergent-dislocation-of-the-elbow-and-review-of-literature
#7
Yongtao Wu, Hai Jiang, Wusheng Miao
BACKGROUND: The divergent dislocation of the elbow is not common in children, and the imaging is difficult and challenging. This often leads to misdiagnosis or inappropriate treatment. The literature has reported a total of 19 cases currently. METHODS: A 10-year-old girl with divergent dislocation of the elbow was admitted in our department in November 2013. When playing basketball, her right elbow was injured on the concrete floor. After injury, her right elbow joint became severely swollen, with obvious deformity...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27849105/traumatic-fracture-of-the-medial-coronoid-process-in-24-dogs
#8
Dirsko von Pfeil, Mark Albrecht, Mathieu Glassman
No abstract text is available yet for this article.
November 16, 2016: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/27832347/fracture-line-distribution-of-olecranon-fractures
#9
Bart Lubberts, Jos J Mellema, Stein J Janssen, David Ring
PURPOSE: The association between specific olecranon fracture characteristics (e.g., displacement, fragmentation, subluxation) and fracture line distribution might help surgeons predict intra-articular fracture location based on fracture characteristics that can be determined on radiographs. We hypothesized that fracture mapping techniques would reveal different fracture patterns for minimally displaced fractures, displaced fractures, and fracture-dislocations of the olecranon. METHODS: A consecutive series of 78 patients with olecranon fractures were evaluated using initial radiographs and computed tomography scans and characterized according to the Mayo classification...
November 10, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27806756/-comparison-between-computer-aided-simulation-and-dental-model-orthognathic-surgery-for-the-treatment-of-patients-with-mandibular-excess-and-facial-asymmetries
#10
S Y Shen, T T Chen, C P Lu, T F Jiang, X D Wang, G F Shen
Objective: To evaluate the results of the orthognathic surgery with computer aided simulation-three-dimensional(3D) printed surgical guide and dental model surgery in the treatmemt of patients with mandibular excess and facial asymmetries. Methods: The coordinate system was built in ProPlan CMF 2.0 software, and the horizontal plane consisted of PoL, PoR, OrL, middle sagittal plane through nasion point and basion point and the plane perpendicular to the horizontal plane, coronoid plane through nasion point and the plane perpendicular to the horizontal plane and middle sagittal plane...
November 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27761316/a-new-hynobiid-like-salamander-amphibia-urodela-from-inner-mongolia-china-provides-a-rare-case-study-of-developmental-features-in-an-early-cretaceous-fossil-urodele
#11
Jia Jia, Ke-Qin Gao
A new fossil salamander, Nuominerpeton aquilonaris (gen. et sp. nov.), is named and described based on specimens from the Lower Cretaceous Guanghua Formation of Inner Mongolia, China. The new discovery documents a far northern occurrence of Early Cretaceous salamanders in China, extending the geographic distribution for the Mesozoic fossil record of the group from the Jehol area (40th-45th parallel north) to near the 49th parallel north. The new salamander is characterized by having the orbitosphenoid semicircular in shape; coracoid plate of the scapulocoracoid greatly expanded with a convex ventral and posterior border; ossification of two centralia in carpus and tarsus; and first digit being about half the length of the second digit in both manus and pes...
2016: PeerJ
https://www.readbyqxmd.com/read/27751721/coronoid-reconstruction-with-an-osteochondral-radial-head-graft
#12
Enrico Bellato, Roberto Rotini, Alessandro Marinelli, Enrico Guerra, Shawn W O'Driscoll
BACKGROUND: Chronic coronoid deficiency can occur subsequent to coronoid fracture malunion/nonunion or to coronoid hypoplasia or dysplasia resulting from injury during development. Several surgical options have been described to treat this difficult condition, but results are equivocal. We hypothesized that a modified coronoid reconstruction using a radial head osteochondral graft could restore elbow stability and congruity and that a technique involving rigid internal fixation would promote graft union...
October 14, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27730491/the-significance-of-the-supratrochlear-aperture-sta-in-elbow-range-of-motion-an-anatomical-study
#13
Robert Ndou
Assessment of the range of motion at a joint is among the methods employed by orthopedic surgeons and physiotherapists to determine courses of therapy and joint recovery. Females tend to have a greater range of motion at the elbow joint than males. In the present case-control study, the elbow extension angle was compared between males and females with and without the supratrochlear aperture. A total of 453 dry humeri and their corresponding ulnae were included in the study, and elbow extension angle was measured using a goniometer...
October 11, 2016: Anatomical Science International
https://www.readbyqxmd.com/read/27722017/bilateral-elongated-mandibular-coronoid-process-in-an-anatolian-skull
#14
Ufuk Çorumlu, Cem Kopuz, Mehmet Tevfik Demir, Mennan Ece Pirzirenli
Elongation or hyperplasia of coronoid process of mandible is rare condition characterized by abnormal bone development which cause malocclusion and the limited mouth opening. In this study, in an Anatolian skull, a case of bilateral elongation of mandibular coronoid process was presented. Levandoski panographic analysis was performed on the panoramic radiographie to determine the hyperplasia of the coronoid process. The right condylar process was exactly hyperplastic. The measurements of Kr-Go/Cd-Go were 95...
September 2016: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/27703618/mandibular-destructive-radiolucent-lesion-the-first-sign-of-multiple-myeloma
#15
Eduardo-Rodrigues Fregnani, Amanda-Almeida Leite, Claudia-Joffily Parahyba, Ana-Cristina-Alo Nesrallah, Flávia-Maria-de Moraes Ramos-Perez, Danyel-Elias-da Cruz Perez
The occurrence of a mandibular lesion as the first sign of multiple myeloma (MM) is uncommon. This report describes a case of MM diagnosed because of a mandibular lesion. A 62-year-old woman presented a destructive radiolucent lesion in the right mandibular ramus. The lesion caused rupture of the anterior cortical bone and extended from the retromolar area to the coronoid process. An incisional biopsy was performed. Histopathological examination revealed numerous pleomorphic plasma cells, some with binucleated nuclei...
October 2016: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/27699921/computed-tomographic-findings-in-canine-elbows-arthroscopically-diagnosed-with-erosion-of-the-medial-compartment-an-analytical-method-comparison-study
#16
Eva Coppieters, Bernadette Van Ryssen, Henri van Bree, Geert Verhoeven, Bart Broeckx, Evelien de Bakker, Dieter Deforce, Ingrid Gielen
Medial compartment erosion is an advanced stage of medial coronoid disease, an important cause of elbow lameness in dogs, with treatment and the expected prognosis depending on the extent of the cartilage lesions. The identification of specific computed tomographic (CT) findings might facilitate the nonsurgical diagnosis and add to treatment decision making. Aims of this retrospective, analytical, method comparison study were to describe CT findings in elbows of dogs arthroscopically diagnosed with medial compartment erosion and to compare CT vs...
October 4, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27687919/bone-density-of-elbow-joints-in-labrador-retrievers-and-golden-retrievers-comparison-of-healthy-joints-and-joints-with-medial-coronoid-disease
#17
A Villamonte-Chevalier, W Dingemanse, B J G Broeckx, A Van Caelenberg, A Agut, L Duchateau, H van Bree, I Gielen
The aims of this study were: (1) to determine the inter-observer repeatability of particular regions of the canine elbow joints; (2) to assess the effect of age, bodyweight and breed on bone density in healthy young dogs; (3) to compare Hounsfield units (HU) and bone density (BD) measurements between normal elbow joints and diseased elbow joints; and (4) to determine the sensitivity and specificity for HU and BD measurements in specific regions in the canine elbow joint. Regions with the highest repeatability were located at the medial coronoid process (MCP) base and apex, and at the level of the humerus, on the sagittal and sagittal oblique planes of the elbow joint...
October 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27677399/the-origin-and-phylogenetic-relationships-of-the-new-zealand-ravens
#18
R Paul Scofield, Kieren J Mitchell, Jamie R Wood, Vanesa L De Pietri, Scott Jarvie, Bastien Llamas, Alan Cooper
The relationships of the extinct New Zealand ravens (Corvus spp.) are poorly understood. We sequenced the mitogenomes of the two currently recognised species and found they were sister-taxa to a clade comprising the Australian raven, little raven, and forest raven (C.coronoides, C. mellori and C. tasmanicus respectively). The divergence between the New Zealand ravens and Australian raven clade occurred in the latest Pliocene, which coincides with the onset of glacial deforestation. We also found that the divergence between the two putative New Zealand species C...
September 24, 2016: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/27676662/calcitonin-as-an-additive-to-local-anesthetic-and-steroid-injection-using-a-modified-coronoid-approach-in-trigeminal-neuralgia
#19
Nabil Ail Elsheikh, Yasser M Amr
BACKGROUND: Pharmacotherapy is the main treatment for management of trigeminal neuralgia. However, many patients become refractory to drugs. OBJECTIVES: The present study aimed to evaluate the effect of adding calcitonin to local anesthetic and methylprednisolone using a modified coronoid approach in management of trigeminal neuralgia pain involving the mandibular and/or maxillary branches. STUDY DESIGN: Randomized double blind clinical trial...
September 2016: Pain Physician
https://www.readbyqxmd.com/read/27658755/a-comparative-study-of-different-surgical-methods-in-the-treatment-of-traumatic-temporomandibular-joint-ankylosis
#20
F Xu, L Jiang, C Man
Two different surgical methods for the treatment of unilateral traumatic temporomandibular joint (TMJ) ankylosis with a medially displaced residual condyle are described. Eighteen patients with unilateral traumatic TMJ ankylosis and a medially displaced residual condyle, treated between 2008 and 2013, were included in this study. Group A patients (n=10) were treated with an autogenous coronoid process graft (ACPG) for reconstruction of the mandibular condyle, while group B patients (n=8) were treated by lateral arthroplasty (LAP); a temporalis myofascial flap (TMF) was used as interpositional material in both groups...
September 19, 2016: International Journal of Oral and Maxillofacial Surgery
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