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Anterior plates

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https://www.readbyqxmd.com/read/29457408/-double-plate-fixation-via-combined-approaches-for-the-treatment-of-old-tibial-plateau-fractures-of-schatzker-type-iv
#1
Hong-Lue Tan, Peng-Yi Dai, Wei-Feng Liu, Yan-Hao Yuan
OBJECTIVE: To explore the clinical efficacy of double-plate fixation for the treatment of old tibial plateau fractures with Schatzker type IV through anterior midline and posteromedial approaches. METHODS: From July 2013 to July 2015, 15 patients with old tibial plateau fractures were treated with internal fixation using locking reconstructive plate for the posteromedial fragment and anatomical locking plate for anteromedial fragment through antero midline and posteromedial approaches...
October 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29457192/influence-of-orthodontic-appliance-derived-artifacts-on-3-t-mri-movies
#2
Erika Ozawa, Ei-Ichi Honda, Kulthida Nunthayanon Parakonthun, Hiroko Ohmori, Kazuo Shimazaki, Tohru Kurabayashi, Takashi Ono
BACKGROUND: Magnetic resonance imaging (MRI) has been used to study configurations of speech organs in the resting state. However, MRI is sensitive to metals, and numerous types of metallic appliances, most of which have a large magnetic susceptibility, are used in orthodontic treatment and may cause severe artifacts on MRI. We have developed techniques for obtaining MRI movies of the oral region, to evaluate articulatory changes, especially movement of the tongue, palate, and teeth, pre- and post-orthodontic/orthognathic treatment...
February 19, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29456751/cannulated-screw-versus-kirschner-wire-fixation-for-milch-ii-lateral-condyle-fractures-in-a-paediatric-sawbone-model-a-biomechanical-comparison
#3
D Franks, J Shatrov, M Symes, D G Little, T L Cheng
Purpose: Lateral condyle fractures of the humerus are common in the paediatric population, accounting for up to 20% of elbow fractures. Traditional management involves internal fixation with Kirschner (K)-wires, however, this has been associated with complications and insufficiently rigid fixation. Recently, cannulated screws have been proposed as a more stable method of fixation. While cannulated screws have been thought to allow earlier range of movement and shorten time to union, data regarding the biomechanical performance and optimal screw placement is scarce...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29456709/anterior-spinal-instrumentation-combining-a-prosthetic-disc-nucleus-with-a-flexible-stabilization-device-manufacture-and-use-in-intervertebral-disc-repair
#4
Da Bao, Dawei Li
Artificial disc replacement alone is unable to completely cure cervical degenerative diseases; thus, a stabilization device markedly improves patient recovery. In order to meet this requirement, an anterior spinal instrumentation combining a prosthetic disc nucleus with a flexible stabilization device (ASI combining PDN/FD) was developed. An artificial disc was designed and manufactured using polyvinyl alcohol hydrogel (PVA-H) with a repeated freeze-melting technique, and subsequently the dehydration and swelling properties of the PVA-H were investigated...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456339/retrospective-analysis-of-arthrodesis-from-various-options-after-anterior-cervical-discectomy
#5
Vinaysagar Sharma, Shashwat Kumar Singh
Introduction: Anterior cervical discectomy is a surgical procedure performed to treat a herniated/degenerated disc in the cervical region. There have been various studies comparing arthrodesis rates among various procedures. Our patients belonged to varied socioeconomic background and underwent anterior cervical microdiscectomy without/with instrumentation. Aim: The present study was performed to study and compare the arthrodesis rates in the patients operated for anterior cervical microdiscectomy with and without fusion/instrumentation procedures at our institution...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29455486/-anterior-cervical-hybrid-surgical-treatment-for-multilevel-cervical-spondylotic-myelopathy
#6
Bi-Shui Zhan, Xue-Sheng Jiang, Guo-Shun Zhou, Ya-Feng Ji
OBJECTIVE: To evaluate the clinical results of anterior cervical discectomy and reconstruction with a self-locking cage and internal fixation with short segmental plate for multilevel cervical spondylotic myelopathy. METHODS: From January 2012 to June 2015, a total of 106 patients received anterior cervical discectomy and reconstruction with a self-locking cage and internal fixation with short segmental plate were followed up. There were 71 males and 35 females, aged from 42 to 74 years old with an average of(55...
September 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29455101/does-pedicle-screw-fixation-of-the-subaxial-cervical-spine-provide-adequate-stabilization-in-a-multilevel-vertebral-body-fracture-model-an-in-vitro-biomechanical-study
#7
John Duff, Mir M Hussain, Noelle Klocke, Jonathan A Harris, Soumya S Yandamuri, Lukas Bobinski, Roy T Daniel, Brandon S Bucklen
BACKGROUND: Cervical vertebral body fractures generally are treated through an anterior-posterior approach. Cervical pedicle screws offer an alternative to circumferential fixation. This biomechanical study quantifies whether cervical pedicle screws alone can restore the stability of a three-column vertebral body fracture, making standard 360° reconstruction unnecessary. METHODS: Range of motion (2.0 Nm) in flexion-extension, lateral bending, and axial rotation was tested on 10 cadaveric specimens (five/group) at C2-T1 with a spine kinematics simulator...
February 14, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29452829/cribriform-plate-width-is-highly-variable-within-and-between-subjects
#8
Daniel H Coelho, Taylor S Pence, Mostafa Abdel-Hamid, Richard M Costanzo
OBJECTIVE: All successful endonasal surgery, including functional endoscopic sinus surgery (FESS), depends on knowledge of both anatomy and the specific variations that can occur between and within patients. Familiarity with these structures is a critical component in preventing complications from these procedures, and failure to understand subtle variation can have disastrous results. The aim of this study was to characterize the anatomical variations (if any) of the cribriform plate using a large cadaveric sample set...
February 13, 2018: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/29452282/load-sharing-through-elastic-micro-motion-accelerates-bone-formation-and-interbody-fusion
#9
Eric H Ledet, Glenn P Sanders, Darryl J DiRisio, Joseph C Glennon
BACKGROUND: Context: Achieving a successful spinal fusion requires the proper biologic and biomechanical environment. Optimizing load-sharing in the interbody space can enhance bone formation. For anterior cervical discectomy and fusion (ACDF), loading and motion are largely dictated by the stiffness of the plate which can facilitate a balance between stability and load-sharing. The advantages of load-sharing may be substantial for patients with comorbidities and in multi-level procedures where pseudarthrosis rates are significant...
February 13, 2018: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29449001/balance-assessment-during-squatting-exercise-a-comparison-between-laboratory-grade-force-plate-and-a-commercial-low-cost-device
#10
Alessandro Mengarelli, Federica Verdini, Stefano Cardarelli, Francesco Di Nardo, Laura Burattini, Sandro Fioretti
Testing balance through squatting exercise is a central part of many rehabilitation programs and sports and plays also an important role in clinical evaluation of residual motor ability. The assessment of center of pressure (CoP) displacement and its parametrization is commonly used to describe and analyze squat movement and the laboratory-grade force plates (FP) are the gold standard for measuring balance performances from a dynamic view-point. However, the Nintendo Wii Balance Board (NWBB) has been recently proposed as an inexpensive and easily available device for measuring ground reaction force and CoP displacement in standing balance tasks...
February 5, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29438912/spatial-and-temporal-analysis-center-of-pressure-displacement-during-adolescence-clinical-implications-of-developmental-changes
#11
Catherine Quatman-Yates, Scott Bonnette, Resmi Gupta, Jason A Hugentobler, Shari L Wade, Tracy A Glauser, Richard F Ittenbach, Mark V Paterno, Michael A Riley
This study aimed to provide insight into the development of postural control abilities in youth. A total of 276 typically developing adolescents (155 males, 121 females) with a mean age of 13.23 years (range of 7.11-18.80) were recruited for participation. Subjects performed two-minute quiet standing trials in bipedal stance on a force plate. Center of pressure (COP) trajectories were quantified using Sample Entropy (SampEn) in the anterior-posterior direction (SampEn-AP), SampEn in the medial-lateral direction (SampEn-ML), and Path Length (PL) measures...
February 10, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29435650/targeted-knock-in-of-creer-t2-in-zebrafish-using-crispr-cas9
#12
Gokul Kesavan, Juliane Hammer, Stefan Hans, Michael Brand
New genome-editing approaches, such as the CRISPR/Cas system, have opened up great opportunities to insert or delete genes at targeted loci and have revolutionized genetics in model organisms like the zebrafish. The Cre-loxp recombination system is widely used to activate or inactivate genes with high spatial and temporal specificity. Using a CRISPR/Cas9-mediated knock-in strategy, we inserted a zebrafish codon-optimized CreER T2 transgene at the otx2 gene locus to generate a conditional Cre-driver line. We chose otx2 as it is a patterning gene of the anterior neural plate that is expressed during early development...
February 12, 2018: Cell and Tissue Research
https://www.readbyqxmd.com/read/29432408/a-randomized-trial-comparing-clinical-outcomes-between-zero-profile-and-traditional-multilevel-anterior-cervical-discectomy-and-fusion-surgery-for-cervical-myelopathy
#13
Shenghua He, Hualong Feng, Zhiming Lan, Juyi Lai, Zhitao Sun, Yeguang Wang, Jian Wang, Zhiqiang Ren, Feiqiang Huang, Fuguang Xu
STUDY DESIGN: Prospective randomized study from a single center OBJECTIVE.: The purpose of this study was to compare outcomes between a zero-profile (ZP) anterior cervical discectomy and fusion (ACDF) construct to a traditional ACDF with anterior cervical plate (ACP) in the treatment of multilevel cervical spondylotic myelopathy. SUMMARY OF BACKGROUND DATA: Multilevel cervical spondylotic myelopathy can be treated by a variety of techniques, most commonly with corpectomy, ACDF, posterior cervical fusion, or a combination of the three...
March 1, 2018: Spine
https://www.readbyqxmd.com/read/29424339/redescription-of-paradiplozoon-hemiculteri-monogenea-diplozoidae-from-the-type-host-hemiculter-leucisculus-with-neotype-designation
#14
Dagmar Jirsová, Xuejuan Ding, Kristína Civáňová, Eliška Jirounková, Jana Ilgová, Božena Koubková, Martin Kašný, Milan Gelnar
Paradiplozoon hemiculteri (Ling, 1973), a member of the Diplozoidae, parasitizes the gills of Asian fish. Not only is the type material unavailable for this species, the original description was poor and somewhat conflicting, and adequate molecular data were not available. What is more, the available morphological and molecular data are inconsistent and fluctuate significantly. Here, we present a redescription of P. hemiculteri based on morphological and molecular data from new isolates collected from the type host, the sharpbelly Hemiculter leucisculus (Basilewsky, 1855), captured at the neotype locality (Shaoguan, Guangdong Province, southern China); a neotype for P...
2018: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/29424179/-minimally-invasive-percutaneous-plate-osteosynthesis-for-the-treatment-of-acetabulum-anterior-column-fracture-with-intact-true-pelvic-brim
#15
Ting-Ting Mo, Yong-Bin Su, Wei-Kang Zhang
OBJECTIVE: To discuss feasibility and clinical effects of minimally invasive percutaneous plate osteosynthesis in treating acetabulum anterior column fracture with intact true pelvic brim. METHODS: From May 2013 to December 2015, 8 patients with acetabulum anterior column fracture with intact true pelvic brim were reviewed retrospectively. According to Judet-Letournel classification, all were simple unstable acetabulum anterior column fracture. Among them, there were 5 males and 3 females with an average age of 42...
June 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29424159/-minimally-invasive-internal-fixation-of-pelvic-ring-for-type-c-pelvic-fracture
#16
Chun-Hui Tang, Gao-Wen Yao, Lin Wang, Hong-Liang Tu, Wei Luo
OBJECTIVE: To evaluate the feasibility of minimally invasive internal fixation of pelvic anterior and posterior ring for the treatment of type C pelvic fracture, and to explore its operative techniques and therapeutic efficacy. METHODS: From December 2010 to December 2015, 18 patients with type C pelvic fracture were treated by reconstructive plates fixation through minimally invasive ilioinguinal approach for pelvic anterior ring injuries, and by invasive percutaneous sacroiliac joint screw fixation for pelvic posterior ring injuries...
July 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29422757/aeromonas-salmonicida-as-a-causative-agent-for-postoperative-endophthalmitis
#17
Abhishek Varshney, Manmath Das, Priyanka Chaudhary, Rashmi Kumari, Kusha Yadav
We report a case of a 55-year-old female who presented with pain, redness, and profound visual loss in her right eye 2 weeks after cataract surgery. An ophthalmic examination showed light perception vision, corneal edema with severe anterior chamber reaction and hypopyon, exudative membranes on the anterior lens surface, and dense vitreous exudates. Under the impression of acute postoperative exogenous endophthalmitis, immediate pars plana vitrectomy with culture of vitreous aspirate and intravitreal antibiotic injections were performed...
October 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/29422224/development-of-a-novel-anatomical-thin-titanium-mesh-plate-with%C3%A2-reduction-guidance-and-fixation-function-for-asian-zygomatic-orbitomaxillary-complex-fracture
#18
Yu-Tzu Wang, Chih-Hao Chen, Po-Fang Wang, Chun-Li Lin
For this study we developed an anatomical thin titanium mesh (ATTM) plate for Asian zygomaticomaxillary complex (ZMC) fracture repair with reduction guidance and fixation function. The ATTM plate profile was designed as an L-shape to fix at the anterior maxilla and lateral buttress of the ZMC. Computer-aided stamping analysis was performed on four screw-hole patterns in the ATTM plate - a control without screw-holes, square screw-holes, double screw-holes, and large-diameter, double screw-holes - using upper/lower dies of averaged ZMC reconstruction models...
November 20, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29417771/-comparison-of-clinical-effects-between-anterior-cervical-zero-incision-fusion-system-and-traditional-nail-plate-system-in-the-treatment-of-cervical-spondylotic-myelopathy
#19
Bu-Qing Chang, Hu Feng, Chao-Jiang Yu, Kai Huang, Xiao Gao, Hao Tang, Yun-Chang Jiang
OBJECTIVE: To compare the short-term efficacy of anterior cervical discectomy and fusion(ACDF) with traditional nail plate system and Zero-profile device in the treatment of cervical spondylotic myelopathy(CSM). METHODS: The clinical data of 45 patients with CSM treated from July 2014 to August 2015 was retrospectively analyzed. There were 23 males and 22 females with an average age of 53.7 years old(range, 32 to 71 years old). The course of disease was 5 months to 2 years...
May 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29416276/role-of-uroflowmetry-before-and-after-hypospadias-repair
#20
Rajat Piplani, Satish K Aggarwal, Simmi K Ratan
Aims: To study the role of uroflowmetry in the preoperative and early postoperative period in children undergoing hypospadias repair. Materials and Methods: Twenty-six cases undergoing hypospadias repair over 1 year (tubularized incised plate [TIP] Snodgrass [17 patients], TIP with Snodgraft [5 patients], Duckett's onlay flap [2 patients], and Duckett's tube [2 patients] urethroplasty) were prospectively evaluated with preoperative ultrasound and uroflowmetry and postoperative uroflowmetry at 3 months after the surgery and at 6 and 9 months interval if these dates fell within the study period on follow-up...
January 2018: Urology Annals
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