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https://www.readbyqxmd.com/read/29231799/the-minimally-invasive-approach-for-distal-radius-fractures-and-malunions
#1
Philippe A Liverneaux
This article reviews the author's currently used minimal invasive approach for volar plating of distal radius fractures. A single longitudinal incision of 1.5 cm is drawn on the lateral aspect of the flexor carpi radialis tendon in order to insert a plate under the pronator quadratus. With the wrist flexed, the plate is applied on the anterior cortex of the radius to reduce the fracture. This approach offers the advantage of preserving ligamentotaxis, which facilitates the reduction, and the small scar improves the cosmetics...
January 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29230667/impact-of-musculoskeletal-pain-on-balance-and-concerns-of-falling-in-mobility-limited-community-dwelling-danes-over-75%C3%A2-years-of-age-a-cross-sectional-study
#2
Julie C Kendall, Lars G Hvid, Jan Hartvigsen, Azharuddin Fazalbhoy, Michael F Azari, Mathias Skjødt, Stephen R Robinson, Paolo Caserotti
BACKGROUND: In older adults, musculoskeletal pain is associated with increased concerns of falling, reduced balance and increased occurrence of falls. In younger adults, the intensity of neck pain and low back pain is associated with increased postural sway. It is not known if pain further impairs balance and concerns of falling in mobility-limited older adults, and if so, whether this is associated with different intensities of pain. OBJECTIVE: This study examined whether mobility-limited older adults with mild or intense neck pain and/or low back pain have significantly increased postural sway as measured by centre of pressure (COP) changes and concerns of falling compared to those without pain...
December 11, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/29223822/exposure-to-acrylamide-induces-cardiac-developmental-toxicity-in-zebrafish-during-cardiogenesis
#3
Mengmeng Huang, Jingjing Jiao, Jun Wang, Zhidan Xia, Yu Zhang
Acrylamide (AA), an environmental pollutant, has been linked to neurotoxicity, genotoxicity and carcinogenicity. AA is widely used to synthesize polymers for industrial applications, is widely found in Western-style carbohydrate-rich foods and cigarette smoke, and can also be detected in human umbilical cord blood and breast milk. This is the first study that demonstrated the cardiac developmental toxicity of AA in zebrafish embryos. Post-fertilization exposure to AA caused a clearly deficient cardiovascular system with a shrunken heart and abortive morphogenesis and function...
December 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29222607/static-and-fatigue-strength-of-a-novel-anatomically-contoured-implant-compared-to-five-current-open-wedge-high-tibial-osteotomy-plates
#4
Arnaud Diffo Kaze, Stefan Maas, James Belsey, Alexander Hoffmann, Dietrich Pape
BACKGROUND: The purpose of the present study was to compare the mechanical static and fatigue strength of the size 2 osteotomy plate "Activmotion" with the following five other common implants for the treatment of medial knee joint osteoarthritis: the TomoFix small stature, the TomoFix standard, the Contour Lock, the iBalance and the second generation PEEKPower. METHODS: Six fourth-generation tibial bone composites underwent a medial open-wedge high tibial osteotomy (HTO), according to standard techniques, using size 2 Activmotion osteotomy plates...
December 8, 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29214919/effect-of-total-contact-orthosis-on-medial-longitudinal-arch-and-lower-extremities-in-flexible-flatfoot-subjects-during-walking
#5
Tulaya Prachgosin, Wipawan Leelasamran, Pruittikorn Smithmaitrie, Surapong Chatpun
BACKGROUND: Total-contact orthosis (TCO) is one kind of foot orthosis (FO) that is used to adjust biomechanics in flexible flatfoot. OBJECTIVE: To determine the effects of a TCO on the MLA moment, MLA deformation angle and lower limb biomechanics. STUDY DESIGN: Cross-sectional study. METHODS: Seven-flatfoot and thirteen-normal foot subjects were recruited by footprint and radiographs. The biomechanics of subjects with normal foot (NF), flatfoot with shoe only (FWOT) and flatfoot with TCO (FWT) were collected in a 3D motion analysis laboratory and force plates...
December 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29212625/use-of-tricortical-iliac-crest-strut-autograft-in-comminuted-posterior-wall%C3%A2-acetabular-fractures-a-case-series
#6
Sandeep Gupta, Naveen Mittal, Jagandeep Singh Virk
PURPOSE: The results for fixation of comminuted posterior wall acetabular fractures are not very promising with reported complications in terms of osteoarthritis, nonunion and malunion which subsequently require conversion to total hip arthroplasty. The conversion to total hip arthroplasty is possible in patients over 50 years of age but not in younger patients. So this requires new methods for salvage of the native hip in young patients. METHODS: There were six patients in our series with highly comminuted posterior wall acetabular fractures where the fragments were excised and the gap filled with tricortical anterior iliac-crest strut autograft, fixed with screws and plate...
November 6, 2017: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29208487/in-vitro-comparison-of-mechanical-resistance-between-two-straight-plates-and-a-y-plate-for-fixation-of-mandibular-condyle-fractures
#7
Glaciele Maria de Souza, Danillo Costa Rodrigues, Tóride Sebastião Celegatti Filho, Roger William Fernandes Moreira, Saulo Gabriel Moreira Falci
OBJECTIVE: To compare the mechanical resistance of conventional plates with a modified Y-plate in mandibular condyle fracture. MATERIALS AND METHODS: 40 synthetic hemi-mandibular polyurethane replicates were used. Two groups of fixing materials were included: 20 mandibles fixed with 40 straight plates with four roles each (2.0 mm system) and 20 mandibles fixed with 20 Y-shaped plates (2.0 mm system and 1.5 mm thickness). The samples were submitted to linear loading in the following directions: 10 mandibles from each group from lateral to medial and 10 mandibles from each group from anterior to posterior...
November 11, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29206327/pharyngeal-perforation-after-anterior-cervical-spine-surgery-treated-by-transoral-endoscopic-surgery
#8
Julio Rama-López, Meritxell Tomás-Fernandez, César García-Garza, Milton Martínez-Madrigal
BACKGROUND: Anterior cervical fixation has been used since 1967 for multiple pathologies like traumatism, compressive myelopathy, or spinal infections. METHODS: We report the case of a patient who had undergone cervical spine surgery 10 years previously and presented to our clinic with a pharyngeal fistula due to surgical screw displacement that was treated by transoral endoscopic surgery. RESULTS: The immediate postoperative period occurred without incidence and complete odynophagia resolution...
December 5, 2017: Head & Neck
https://www.readbyqxmd.com/read/29203735/histomorphologic-changes-of-esophageal-mucosa-in-experimental-third-degree-stricture
#9
Volodymyr O Shaprynskyi, Yevgeniy V Shaprinskiy, Yaroslav V Karyi, Serhii A Lysenko
INTRODUCTION: Nowadays the level of early and late complications after the operations for esophageal corrosive strictures such as esophago-organ anastomotic leak, development of infections, pneumonia, pleural empyema, mediastinitis, peritonitis, postoperative corrosive stricture development etc. remains rather high. Besides, postoperative mortality rate is high as well - 3.5-30 %. For that reason, an experimental model of esophageal stricture was suggested and ultrastructural mucosal changes in the stricture itself were studied to elaborate the unified pathogenic approach in treatment of esophageal stricture and improvement of its results...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29201966/morphology-and-dimensions-of-nasopalatine-canal-a-radiographic-analysis-using-cone-beam-computed-tomography
#10
Leila Khojastepour, Abdolaziz Haghnegahdar, Marzieh Keshtkar
Statement of the Problem: The surgical procedure of dental implantation in anterior maxillary area may be limited by the shape and size of nasopalatine canal (NPC). CBCT imaging provides three-dimensional information for surgical planning. Purpose: This study is designed to evaluate the anatomy of NPC in a selected Iranian population. Materials and Method: In this cross sectional study, CBCT images of 301 patients were evaluated for NPC characteristics...
December 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29197504/gata6-restricts-isl1-to-the-posterior-of-nascent-hindlimb-buds-through-isl1-cis-regulatory-modules
#11
Naoyuki Tahara, Ryutaro Akiyama, Joshua W M Theisen, Hiroko Kawakami, Julia Wong, Daniel J Garry, Yasuhiko Kawakami
Isl1 is required for two processes during hindlimb development: initiation of the processes directing hindlimb development in the lateral plate mesoderm and configuring posterior hindlimb field in the nascent hindlimb buds. During these processes, Isl1 expression is restricted to the posterior mesenchyme of hindlimb buds. How this dynamic change in Isl1 expression is regulated remains unknown. We found that two evolutionarily conserved sequences, located 3' to the Isl1 gene, regulate LacZ transgene expression in the hindlimb-forming region in mouse embryos...
November 29, 2017: Developmental Biology
https://www.readbyqxmd.com/read/29194622/ceratocorys-mariaovidiorum-sp-nov-gonyaulacales-a-new-dinoflagellate-species-previously-reported-as-protoceratium-reticulatum
#12
Pablo Salgado, Santiago Fraga, Francisco Rodríguez, Pilar Riobó, Isabel Bravo
The family Ceratocoryaceae includes the genera Ceratocorys, Protoceratium and Schuettiella, whose phylogenetic relationships are poorly known. Here, the new non-yessotoxin-producing species of the genus Ceratocorys, Ceratocorys mariaovidiorum sp. nov., previously reported as the toxic Protoceratium reticulatum, is described from examinations by light and scanning electron microscopy, molecular phylogeny, and toxin analyses. The species description is made from culture samples of strains CCMP1740 and CCMP404 from USA waters...
December 1, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/29194268/rapid-anterior-segmental-maxillary-retraction-by-compression-osteogenesis
#13
Usama Saad Hellal, Nabila Fayed, Rehab Elsharkawy, Mostafa Abdelrahmen
Maxillary protrusion is one of the deformities of the upper jaw. Orthodontics and orthodontics combined with anterior segmental osteotomy are the common treatment strategies for this deformity. The hypothesis of this study was that the maxillary bone segment could be gradually moved backward safely by using a tooth-borne-specific compression device that causes bone compression at the bony segment interface after performance of surgical bone cuts in cases of anterior maxillary protrusion. Ten patients with skeletal maxillary protrusion were treated by modified subapical maxillary osteotomy...
November 20, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29189218/adjacent-level-degeneration-bryan-total-disc-arthroplasty-versus-anterior-cervical-discectomy-and-fusion
#14
Justin Miller, Rick Sasso, Paul Anderson, K Daniel Riew, Austin McPhilamy, Thomas Gianaris
STUDY DESIGN: Prospective randomized, 2-center, clinical trial. OBJECTIVE: To prospectively compare adjacent level degeneration between the Bryan Cervical Disc Prosthesis and anterior cervical discectomy and fusion (ACDF), and assess the reliability of our measurements utilizing a method not previously described. SUMMARY OF BACKGROUND DATA: ACDF is a reliable and proven procedure for the treatment of radiculopathy and/or myelopathy. Despite a successful track record several limitations including adjacent segment degeneration/disease, loss of viscoelastic disc properties, perioperative immobilization, graft site morbidity, pseudarthrosis, and plating complications have been identified...
November 16, 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29184051/clinical-efficacy-of-anterior-partial-corpectomy-and-titanium-mesh-fusion-and-internal-fixation-for-treatment-of-old-fracture-dislocation-of-the-lower-cervical-spine
#15
De-Chao Miao, Bao-Yang Zhang, Tao Lei, Yong Shen
BACKGROUND The aim of this study was to analyze the clinical features and to evaluate the efficacy of anterior partial corpectomy and titanium mesh fusion and internal fixation of old fracture dislocation of the lower cervical spine. MATERIAL AND METHODS We retrospectively analyzed the clinical data of 52 patients with old lower cervical fracture and dislocation treated with anterior partial corpectomy and titanium mesh fusion fixation between January 2008 and December 2013, with a mean follow-up period of 4...
November 29, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29182141/360%C3%A2-fixation-with-modern-instrumentations-of-segment-separation-cervical-spine-injury-in-a-23-month-old
#16
V Zs Kovari, J Vajda, R Veres
In this case report clinical and technical lessons including seven years follow up learned from a flexion-distraction, highly unstable cervical spine injury causing a complete separation of C6-7 cervical segment with tetraparesis in a 23-month-old boy, are presented. To our knowledge this is the only documented case in medical literature where adult size implants (cage, plate and lateral mass screw-rod system) were utilized for cervical combined anterior and posterior internal fixation in a child under the age of two years without implant-size related problems...
December 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/29181315/bimanual-microincision-cataract-surgery-with-implantation-of-the-new-incise%C3%A2-mj14-intraocular-lens-through-a-1-4-mm-incision
#17
Gian Maria Cavallini, Tommaso Verdina, Michele De Maria, Elisa Fornasari, Giulio Torlai, Veronica Volante, Simone Donati, Carlo Cagini
AIM: To analyze the visual outcomes and the posterior capsule opacification (PCO) with the new Incise® MJ14 intraocular lens (IOL) implanted through a 1.4 mm clear corneal incision (CCI) in patients who underwent bimanual microincision cataract surgery (B-MICS). METHODS: Eighty eyes which underwent cataract surgery using B-MICS technique performed by the same experienced surgeon were included in the study: 40 eyes were implanted with an Incise® MJ14 IOL through a 1...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29176772/symphyseal-fixation-in-open-book-injuries-cannot-fully-compensate-anterior-si-joint-injury-a-biomechanical-study-in-a-two-leg-alternating-load-model
#18
Fabian M Stuby, Mark Lenz, Stefan Doebele, Yash Agarwal, Hristo Skulev, Björn G Ochs, Jörn Zwingmann, Boyko Gueorguiev
INTRODUCTION: In open book injuries type Tile B1.1 or B1.2 also classified as APC II (anteroposterior compression), it remains controversial, if a fixation of the anterior ring provides sufficient stability or a fixation of the posterior ring should be included. Therefore the relative motion at the sacroiliac joint was quantified in a two-leg alternating load biomechanical pelvis model in the intact, the injured and the restored pelvis. METHODS: Fresh-frozen intact (I) pelvises (n = 6) were subjected to a non-destructive cyclic test under sinosuidal axial two-leg alternating load with progressively increasing amplitude...
2017: PloS One
https://www.readbyqxmd.com/read/29175719/does-chronic-ankle-instability-influence-lower-extremity-muscle-activation-of-females-during-landing
#19
Yumeng Li, Jupil Ko, Marika A Walker, Cathleen N Brown, Julianne D Schmidt, Seock-Ho Kim, Kathy J Simpson
Much remains unclear about how chronic ankle instability (CAI) could affect knee muscle activations and interact with knee biomechanics. Therefore, the purpose of this study was to assess the influence of CAI on the lower extremity muscle activation at the ankle and knee joints during landings on a tilted surface. A surface electromyography system and two force plates were used to collect lower extremity muscle activation of 21 young female individuals with CAI and 21 pair-matched controls during a double-leg landing with test limb landing on the tilted surface...
November 22, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29171978/comparison-between-zero-profile-spacer-and-plate-with-cage-in-the-treatment-of-single-level-cervical-spondylosis
#20
Tao Lan, Jian-Ze Lin, Shi-Yu Hu, Xin-Jian Yang, Yang Chen
BACKGROUND: Retrospective study of 68 patients of symptomatic cervical spondylosis who were treated by anterior cervical discectomy and fusion (ACDF). OBJECTIVE: The purpose of this study was to compare the clinical and radiological outcomes of patients with single level cervical spondylosis using either zero-profile spacer (group A) or anterior cervical plate and cage (group B). METHODS: Clinical and radiological data of 68 patients undergoing ACDF from C3-C7 were collected retrospectively...
November 17, 2017: Journal of Back and Musculoskeletal Rehabilitation
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