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Anterior plates

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https://www.readbyqxmd.com/read/28222067/designation-and-validation-of-a-posterior-anatomical-plate-for-the-anterior-column-of-the-acetabulum
#1
Lifeng Zhang, Chuangxin Lin, Shenglu Cao, Yiran Wang, Geng Peng, Yongqiang Xu, Yongzeng Feng, Gang Wang
BACKGROUND Surgical treatment of acetabular fractures is one of the greatest challenges for orthopedic surgeons. Fixation of most displaced fractures requires extensive exposure, which may lead to complications, including blood loss, neural or vascular injury, postoperative infection, wound healing problems, and heterotopic bone formation. MATERIAL AND METHODS This study was conducted to certify an anatomic plate with an anterior column lag screw guiding device to repair the posterior acetabulum. Complete pelvic spiral computed tomography (CT) scan data were collected from 56 patients...
February 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28220064/effect-of-experimentally-induced-trunk-muscular-tensions-on-the-sit-to-stand-task-performance-and-associated-postural-adjustments
#2
Alain Hamaoui, Caroline Alamini-Rodrigues
It has been shown that increased muscular activity along the trunk is likely to impair body balance, but there is little knowledge about its consequences on more dynamic tasks. The purpose of this study was to determine the effect of unilateral and bilateral increases of muscular tension along the trunk on the sit-to-stand task (STS) performance and associated anticipatory postural adjustments (APAs). Twelve healthy females (23 ± 3 years, 163 ± 0.06 cm, 56 ± 9 kg), free of any neurological or musculoskeletal disorders, performed six trials of the STS at maximum speed, in seven experimental conditions varying the muscular tension along each side of the trunk, using a specific bimanual compressive load paradigm...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28216304/ankle-arthrodesis-a-retrospective-analysis-comparing-single-column-locked-anterior-plating-to-crossed-lag-screw-technique
#3
Mark A Prissel, G Alex Simpson, Sean A Sutphen, Christopher F Hyer, Gregory C Berlet
Ankle arthrodesis is performed to eliminate pain due to end-stage osteoarthritis, regardless of etiology. This procedure remains the reference standard treatment for end-stage ankle arthritis, despite recent advancements in total ankle replacement. The objective of the present study was to retrospectively evaluate the radiographic and clinical fusion rates and time to bony fusion for patients who underwent ankle arthrodesis using an anterior approach with a single column locked plate construct versus crossed lag screws...
February 16, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28213934/transverse-process-anatomy-as-a-guide-to-vertebral-artery-exposure-during-anterior-cervical-spine-approach-a-cadaveric-study
#4
Ali Nourbakhsh, Jinping Yang, Howard McMahan, Kim Garges
INTRODUCTION: Safe exposure of the vertebral artery (VA) is needed during resection of tumors close to the artery and during repair of lacerations. We defined the anatomy of the anterior root of each transverse process (TP) from C3 to C6 for identification and exposure of the VA during the anterior approach. MATERIALS AND METHODS: We examined the anatomy of the TP and assessed two approaches for safe identification of the VA, lateral to medial and medial to lateral dissection of the TP, in 20 cadavers...
February 18, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28211287/efficacy-analysis-of-a-novel-sternoclavicular-hook-plate-for-treatment-of-unstable-sternoclavicular-joint-dislocation-or-fracture
#5
Chuanyi Zhang, Lie Lin, Junbo Liang, Bin Wang, Guofu Chen, Haixiao Chen
PURPOSE: Sternoclavicular joint is an amphiarthrodial joint formed by the clavicle and sternal manubrium. This joint becomes chronically unstable in case of a medial clavicle dislocation or fracture, and improper treatment could cause malformation and pain. We aimed to determine the efficacy of a novel sternoclavicular hook plate for treatment of unstable sternoclavicular joint dislocation or fracture. METHODS: Between June 2011 and December 2013, the sternoclavicular hook plate was used to surgically treat 32 adult patients with unstable sternoclavicular joint dislocation or fracture...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28203200/late-onset-inadvertent-bleb-formation-following-pars-plana-m3-molteno-implant-tube-obstruction
#6
Anmar M Abdul-Rahman, Anthony Molteno
PURPOSE: To report a case of inadvertent bleb formation presenting 18 months after pars plana M3 Molteno implant tube obstruction in a patient with mixed mechanism glaucoma. MATERIALS AND METHODS: An 84-year-old Caucasian male with mixed mechanism glaucoma underwent slit-lamp examination, gonioscopy, colour anterior segment photography and anterior segment optical coherence tomography (AS-OCT). RESULTS: An inadvertent bleb developed 18 months after pars plana implant tube re-positioning with a 6/0 Vicryl tie ligature...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28202059/cardiosphere-derived-cells-do-not-improve-cardiac-function-in-rats-with-cardiac-failure
#7
Taís Hanae Kasai-Brunswick, Andréa Rodrigues da Costa, Raiana Andrade Quintanilha Barbosa, Bruna Farjun, Fernanda Cristina Paccola Mesquita, Danúbia Silva Dos Santos, Isalira Peroba Ramos, Grazielle Suhett, Guilherme Visconde Brasil, Sandro Torrentes da Cunha, José Oscar R Brito, Juliana do Amaral Passipieri, Adriana Bastos Carvalho, Antonio Carlos Campos de Carvalho
BACKGROUND: Heart failure represents an important public health issue due to its high costs and growing incidence worldwide. Evidence showing the regenerative potential of postmitotic heart tissue has suggested the existence of endogenous cardiac stem cells in adult hearts. Cardiosphere-derived cells (CDC) constitute a candidate pool of such cardiac stem cells. Previous studies using acute myocardial infarction (MI) models in rodents demonstrated an improvement in cardiac function after cell therapy with CDC...
February 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28196444/intra-articular-comminution-worsens-outcomes-of-distal-radial-fractures-treated-by-open-reduction-and-palmar-locking-plate-fixation
#8
J O Yoon, S L You, J K Kim
: We studied 50 patients with AO type C2 distal radial fractures and 35 with AO type C3 distal radial fractures treated by open reduction and palmar locking plate fixation. At 3-month clinical assessments, mean wrist flexion arcs, grip strengths and disabilities of the arm, shoulder and hand scores were significantly better for AO type C2 fractures. At 2-year post-operative clinical assessments, mean disabilities of the arm, shoulder and hand scores were significantly better for AO type C2 fractures than for AO type C3 fractures...
March 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28196159/alveolar-bone-morphology-following-periodontally-accelerated-osteogenic-orthodontics-a-clinical-and-radiographic-analysis
#9
Tali Chackartchi, Idit Barkana, Avigdor Klinger
The aim of this study was to analyze alveolar bone morphology following periodontally accelerated osteogenic orthodontics. Treated patients were called for a full periodontal examination and a cone beam computed tomography scan. Mean treatment time was 6.08 months. Mean probing pocket depth was 2.7 mm. No gingival recessions were noted. In the maxilla, buccal plate thickness was 0.48 to 2.14 mm. In the mandible, bone thickness was 0.2 to 1.82 mm. Root fenestrations and dehiscences were present in up to 40% of the anterior teeth...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28194498/lateral-clavicle-fracture-with-coracoclavicular-ligament-injury-a-biomechanical-study-of-4-different-repair-techniques
#10
Farhang Alaee, John Apostolakos, Hardeep Singh, Christian Holwein, Theresa Diermeier, Mark P Cote, Knut Beitzel, Andreas B Imhoff, Augustus D Mazzocca, Andreas Voss
PURPOSE: To investigate the biomechanical performance of four different methods used for coracoclavicular (CC) ligament reconstruction in a lateral clavicle fracture repair. METHODS: Native displacement, translation, and rotation at the acromioclavicular joint of 24 fresh-frozen cadaveric shoulders were tested. A reproducible fracture in the lateral third of the clavicle was created by dissecting both CC ligaments. Each specimen was then repaired with plate fixation of the fracture and the following CC repair technique: (1) Cortical button...
February 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28192080/evo-engineering-and-the-cellular-and-molecular-origins-of-the-vertebrate-spinal-cord
#11
REVIEW
Ben Steventon, Alfonso Martinez Arias
The formation of the spinal cord during early embryonic development in vertebrate embryos is a continuous process that begins at gastrulation and continues through to the completion of somitogenesis. Despite the conserved usage of patterning mechanisms and gene regulatory networks that act to generate specific spinal cord progenitors, there now exists two seemingly disparate models to account for their action. In the first, a posteriorly localized signalling source transforms previously anterior-specified neural plate into the spinal cord...
February 9, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28187630/sternaspidae-annelida-sedentaria-from-vietnam-with-description-of-three-new-species-and-clarification-of-some-morphological-features
#12
Anna E Zhadan, Alexander B Tzetlin, Sergio I Salazar-Vallejo
Five sternaspid species were found near Vietnam shores: Sternaspis britayevi sp. nov., S. costata von Marenzeller, 1879, S. nana sp. nov., S. papillosa sp. nov., and S. spinosa Sluiter 1882. Sternaspis britayevi is described from the shallow water in Vietnam inhabiting soft bottoms; it resembles S. spinosa described from Java and S. thorsoni Sendall & Salazar-Vallejo, 2013 described from the Persian Gulf, but differs in having a medially projected and markedly ribbed fan of the ventro-caudal shield and nearly parallel, distally widened and rounded branchial plates...
January 25, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187548/-i-spelaeogammarus-i-i-uai-i-bogidielloidea-artesiidae-a-new-troglobitic-amphipod-from-brazil
#13
Rafaela Bastos-Pereira, Rodrigo L Ferreira
A new species was recently found in a cave from Southeastern Brazil, in the state of Minas Gerais, which is here described. Considering all the species of the genus, Spelaeogammarus uai sp. nov. is very similar to S. santanensis and S. sanctus, although the new species differs mainly in relation to the number of plumose setae in the apical margin of maxilliped inner plate, number of setae in the anterior margin of gnathopod 1 basis and number of setae in the posterior margin of gnathopod 2 basis. Furthermore, the ratio "length/width" of several articles of the new species is higher than in other species...
February 9, 2017: Zootaxa
https://www.readbyqxmd.com/read/28185064/smith-robinson-procedure-with-and-without-caspar-plating-as-a-treatment-for-cervical-spondylotic-myelopathy-a-26-year-follow-up-of-23-patients
#14
Benedikt W Burkhardt, Moritz Brielmaier, Karsten Schwerdtfeger, Salam Sharif, Joachim M Oertel
PURPOSE: The purpose of this study was to assess long-term follow-up data after anterior cervical decompression and fusion (ACDF) with and without Caspar plating (ACDF + PS) for the treatment of cervical spondylotic myelopathy (CSM) with special focus on functional outcome, pain, and repeat surgery for adjacent segment disease (ASD). METHOD: Hospital records of 45 patients who were affected by CSM and underwent ACDF or ACDF + PS at least 17 years ago were reviewed...
February 9, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28182968/measuring-postural-control-during-mini-squat-posture-in-men-with-early-knee-osteoarthritis
#15
M Petrella, K Gramani-Say, P R M S Serrão, G C Lessi, J A Barela, R P Carvalho, S M Mattiello
Studies have suggested a compromised postural control in individuals with knee osteoarthritis (OA) evidenced by larger and faster displacement of center of pressure (COP). However, quantification of postural control in the mini-squat posture performed by patients with early knee OA and its relation to muscle strength and self-reported symptoms have not been investigated. The main aim of this cross-sectional, observational, controlled study was to determine whether postural control in the mini-squat posture differs between individuals with early knee OA and a control group (CG) and verify the relation among knee extensor torque (KET) and self-reported physical function, stiffness and pain...
February 6, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28175991/spontaneous-cerebrospinal-fluid-leaks-in-the-anterior-skull-base-secondary-to-idiopathic-intracranial-hypertension
#16
Gabriel Martínez-Capoccioni, Ramón Serramito-García, Maria Martín-Bailón, Alfredo García-Allut, Carlos Martín-Martín
Spontaneous cerebrospinal fluid (CSF) leaks represent a clinical entity in which CSF rhinorrhea occurs in the absence of any inciting event. Spontaneous CSF leaks are associated with elevated intracranial pressure (ICP) or have underlying idiopathic intracranial hypertension (IIH). We report a cohort of patients who have undergone nasal endoscopic repair for spontaneous CSF leaks. We review our perioperative complications and the effectiveness of the nasal endoscopic approach to repair spontaneous CSF leaks...
February 7, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28174062/cephalometric-evaluation-after-two-stage-palatoplasty-combined-with-a-hotz-plate-a-comparative-study-between-the-modified-furlow-and-widmaier-perko-methods
#17
K Madachi, R Takagi, T Asahito, Y Kodama, R Ominato, A Iida, K Ono, I Saito
The effects on craniofacial growth of two different soft palate repair techniques in two-stage palatoplasty were investigated. This was a retrospective, cross-sectional cohort study of 68 children with non-syndromic, complete unilateral cleft lip and palate. Thirty-four patients were treated with the modified Furlow method (F-group) and the remaining 34 with the Widmaier-Perko method (P-group). Craniofacial growth was assessed by analyzing 12 angular and 12 linear measurements on lateral cephalograms. Composite facial diagrams from the two groups were compared with those of a control non-cleft group...
February 4, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28166536/ancestral-morphology-of-crown-group-molluscs-revealed-by-a-new-ordovician-stem-aculiferan
#18
Jakob Vinther, Luke Parry, Derek E G Briggs, Peter Van Roy
Exceptionally preserved fossils provide crucial insights into extinct body plans and organismal evolution. Molluscs, one of the most disparate animal phyla, radiated rapidly during the early Cambrian period (approximately 535-520 million years ago (Ma)). The problematic fossil taxa Halkieria and Orthrozanclus (grouped in Sachitida) have been assigned variously to stem-group annelids, brachiopods, stem-group molluscs or stem-group aculiferans (Polyplacophora and Aplacophora), but their affinities have remained controversial owing to a lack of preserved diagnostic characters...
February 6, 2017: Nature
https://www.readbyqxmd.com/read/28166170/superior-outcomes-after-operative-fixation-of-patella-fractures-using-a-novel-plating-technique-a-prospective-cohort-study
#19
Dean G Lorich, Peter D Fabricant, Gina Sauro, Lionel E Lazaro, Ryan R Thacher, Matthew R Garner, Stephen J Warner
OBJECTIVE: The purpose of this prospective cohort study was to determine if a new patella fracture fixation construct resulted in improved outcomes compared to traditional tension band techniques. DESIGN: Comparative cohort study. SETTING: Academic level I trauma center. PATIENTS/PARTICIPANTS: Patients with isolated, unilateral patellar fractures were enrolled prospectively. From 2012-2014, 33 patients underwent fixation with a novel plate construct that spans half of the patella circumference laterally and provides multiplanar fixation through a low profile plate...
January 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28164055/proximal-tibial-epiphysis-injury-flexion-type-salter-harris-type-1
#20
Pratik Israni, Mangesh Panat
INTRODUCTION: Fractures of the proximal tibial epiphysis rare. It has been estimated that fractures of the upper tibial epiphysis account for 0.5-3.1% of all epiphyseal injuries. Who had no neurovascular deficit, with fixed extension deformity at the left knee was treated early with closed reduction techniques. CASE REPORT: We present a case of a 16-year-old boy who while playing cricket on the road was hit by a car. The patient presented in emergency room with extremely swollen knee and soft tissue swelling (hemarthrosis), he was unable to lift his leg actively due to severe pain because of hamstrings spasm, and he had no wound over his left knee and had no other associated injuries...
September 2016: Journal of Orthopaedic Case Reports
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