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https://www.readbyqxmd.com/read/29909943/onlay-grafting-with-bovine-bone-mineral-block-for-horizontal-reconstruction-of-severely-atrophic-alveolar-ridges-in-anterior-maxillae-a-6-year-prospective-study
#1
Lixin Qiu, Huajie Yu
PURPOSE: The aim of this prospective study was to evaluate the efficacy and long-term outcomes of onlay grafting with bovine bone mineral block for reconstruction of horizontal alveolar ridge defects in anterior maxillae. MATERIALS AND METHODS: Fourteen patients requiring rehabilitation of edentulous anterior maxillae were enrolled to receive onlay grafting in two layers. A cortical block harvested from the lateral aspect of the mandibular ramus was split to acquire approximately 1-mm-thick bone laminae...
April 18, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29909465/anteromedial-femoral-neck-plate-with-cannulated-screws-for-the-treatment-of-irreducible-displaced-femoral-neck-fracture-in-young-patients-a-preliminary-study
#2
Linbo Zhuang, Lisheng Wang, Dongming Xu, Zhiyong Wang
BACKGROUNDS: Although most displaced femoral neck fractures of young patients can be repositioned successfully by closed reduction, there are still some can not repositioned successfully by this way and open reductions are required. This type of fracture was defined as irreducible displaced femoral neck fracture in this study. The purpose of this study was to introduce a new technique using anteromedial femoral neck plate with cannulated screws fixation by open reduction for the treatment of irreducible displaced femoral neck fractures in young patients...
June 16, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29902826/anterior-cervical-fusion-with-stand-alone-trabecular-metal-cages-to-treat-cervical-myelopathy-caused-by-degenerative-disk-disease-observations-in-88-cases-with-minimum-12-month-follow-up
#3
Luciano Mastronardi, Raffaelino Roperto, Guglielmo Cacciotti, Francesco Calvosa
BACKGROUND:  Anterior cervical fusion (ACF) with autologous bone was reported > 50 years ago. The continuous development of materials with elastic properties close to that of the cortical bone improves induction of osteogenesis and simplifies the technique of interbody fusion. To determine the safety and efficiency of stand-alone trabecular metal (TM) (or porous tantalum) cages for ACF, we performed a retrospective analysis of 88 consecutive patients with one-level or two-level degenerative disk disease (DDD) causing cervical myelopathy treated by interbody fusion with stand-alone TM cages...
June 14, 2018: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/29902104/anterior-distal-femoral-hemiepiphysiodesis-can-reduce-fixed-flexion-deformity-of-the-knee-a-retrospective-study-of-83-knees
#4
Norbert Stiel, Kornelia Babin, Eik Vettorazzi, Sandra Breyer, Nicola Ebert, Martin Rupprecht, Ralf Stuecker, Alexander S Spiro
Background and purpose - Fixed knee flexion deformity in children is a common problem in various diseases including myelomeningocele and cerebral palsy. Until now, only a few studies focusing on the surgical procedure of anterior distal femoral hemiepiphysiodesis have been published. We analyzed outcome and correction rate in the largest case series to date of patients treated by staples or 8-plates. Patients and methods - We reviewed the medical records of all patients with fixed knee flexion deformity who were treated with anterior distal femoral hemiepiphysiodesis using either staples or 8-plates between the years 2002 and 2017 (73 patients; 130 knees)...
June 14, 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/29899771/missing-links-between-genetically-inherited-molecules-in-split-cord-malformation-and-other-anomaly-a-bench-to-bedside-approach
#5
Mayadhar Barik, Pravash R Mishra, Ashok Kumar Mohapatra
Aim: Split cord malformation (SCM) is associated with extensive vertebral fusions (Klippel-Feil anomaly). In light of previous embryological theories and recent research findings, we attempt to document the origin of split cord, and vertebral fusions involvement of spectrum of genes is necessary to know better the etiopathogenesis of SCM and its associated diseases. Materials and Methods: We used the various databases such as PubMed/MEDLINE, Cochrane Review, Hinari, and Google Scholar for the recently published medical literature...
January 2018: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/29895990/finite-element-stress-analysis-of-keyhole-plate-system-in-sagittal-split-ramus-osteotomy
#6
Ju-Won Kim, Kang-Nam Park, Chang-Hyeon Lee, Yong-Su Kim, Young-Hee Kim, Byoung-Eun Yang
A new miniplate applied differently from conventional application method for bone fixation has been developed. The novel approach is the insertion of the screw into the bone before miniplate installation. This study aimed to assess the stress distribution of a newly designed Yang's Keyhole (YK)- plate for segmental-bone fixation during sagittal split ramus osteotomy (SSO). Moreover, the effectiveness of the YK-plate system based on the clinical results was determined. The YK-plate system has a widened hole in the anterior region to permit a screw-head to be screwed through the system...
June 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29892584/ct-guided-percutaneous-sacroiliac-stabilization-in-unstable-pelvic-fractures-a-safe-and-accurate-technique
#7
Govind Gandhi, Mayank Vijayvargiya, Vivek Shetty, Vikas Agashe, Shailendra Maheshwari, Joseph Monteiro
Objective: The use of open reduction and internal fixation (ORIF) for unstable pelvic injuries is associated with extensive blood loss, iatrogenic neurovascular injury, and infection. Moreover, the placement of sacroiliac (SI) screws is a blinded procedure, guided primarily by palpation and two-dimensional radiological screening, which demands expertise. The complex three-dimensional anatomy of SI joint and its proximity to neurovascular structure require a safe and precise technique...
May 2018: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29892581/retrospective-study-of-superior-anterior-plate-as-a-treatment-for-unstable-neer-type-2-distal-clavicle-fractures
#8
Syed Ibrahim, Jimmy Joseph Meleppuram
Objective: To analyze the sequelae of Neer type 2 distal end clavicle fractures treated with superior anterior locking plate. Methods: From June 2012 to February 2015 a study was conducted with 14 male patients; 12 with unilateral and two with bilateral distal clavicle fractures treated with superior anterior plate. They were evaluated at intervals, with mean follow up of 16 months (14-18 months). All patients were evaluated clinically by both the Oxford Shoulder Score and the QuickDASH score...
May 2018: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29892487/twin-penile-skin-flap-is-it-the-answer-for-repair-of-long-anterior-urethral-strictures
#9
Diaaeldin Mostafa, Hisham Elshawaf, M Kotb, Abdelwahab Elkassaby
Objective: To present our twin ventral penile skin flap technique for the management of complex long anterior urethral strictures not caused by lichen sclerosis (LS), with evaluation of surgical outcome and complications. Patients and methods: We retrospectively reviewed patients diagnosed with long complex anterior urethral strictures who were all referred to Ain Shams University hospital and operated on by three reconstructive surgeons. The surgical procedure was carried out as follows: exposure of the urethra through a ventral longitudinal penile skin incision and another perineal incision; two ventral longitudinal dartos-based penile skin flaps are used for urethral augmentation as onlay flaps...
June 2018: Arab Journal of Urology
https://www.readbyqxmd.com/read/29890807/-eestablishment-of-the-model-of-goat-lumbar-spinal-fusion-by-3d-printing-technology-and-experimental-perioperative-management
#10
Feng Zhang, Jian-Tao Liu, Rui Wang, Teng Lu, Bin-Bin Niu, Jie Qie, Xuan Cai, Ting Zhang, Peng-Rong Ouyang, Xi-Jing He
OBJECTIVE: To explore the feasibility and the attention of perioperative management of goat lumbar fusion model for individualized 3D printing technology. METHODS: According to preoperative X-ray and CT three dimensional reconstruction data of 10 males Boer goat's lumbar(1-2 years old, weight 35-45 kg), the preoperative open height were determined, meanwhile, according to the theoretical entry point of nails, the length of steel plate, arc, and setting position, screw length for reference were determined, the lumbar lateral anterior plate was designed and 3D-printed...
May 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29890800/-biomechanical-stability-study-on-different-internal-fixation-for-acetabular-fracture
#11
Yi-Long Dong, Yue-Nan Qian, Liang-le Liu, Xiang-Xiang Huang, Lin-Zhi Lin, Chun-Yuan Cai
OBJECTIVE: To investigate the biomechanical stability of the acetabular fracture with three different internal fixation methods. METHODS: Sixteen both-column acetabular fracture models were randomly divided into three groups:The specimens of 16 hip joints were randomly divided into 4 groups. Among them, 1 group of complete acetabulum were used as normal control group, and the other 3 groups simulated two column fracture models and were fixed in the following methods, respectively: anterior wall with screw and posterior with plate(SP), anterior wall with plate and posterior wall with screw(PS) and both wall with plate (PP)...
May 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29890301/comparison-of-post-operative-numbness-and-patient-satisfaction-using-minimally-invasive-plate-osteosynthesis-or-open-plating-for-acute-displaced-clavicular-shaft-fractures
#12
You Jiong-Ming, Wu Yin-Sheng, Wang Yong
BACKGROUND: Anterior chest wall numbness after plate fixation of clavicular shaft fractures is a common complication. This is usually related to damage of the branches of the supraclavicular nerve in conventional open plating. We investigated whether the use of minimally invasive plate osteosynthesis could reduce the incidence of post-operative numbness and improve patients' satisfaction compared to open plating. METHODS: Between August 2012 and October 2015, 73 patients with acute clavicle shaft fracture (Robinson classification 2A2-2B2) were treated with plate fixation at our institution...
June 8, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29882488/orbital-and-nasal-meningoencephaloceles-secondary-to-chronic-hydrocephalus-a-rare-cause-of-bilateral-proptosis
#13
Zachary B Jenner, Nuruddin Husein, Roy Riascos, Yoshua Esquenazi
Introduction Orbital meningoencephalocele formation is primarily a result of congenital defects in the pediatric population and trauma of the anterior cranial fossa in adults. We present a unique case of nontraumatic nasal and orbital meningoencephaloceles presenting as bilateral proptosis with exotropia secondary to chronic hydrocephalus. Clinical presentation A 20-year-old male with a history of tuberous sclerosis, X-linked intellectual disability, and epilepsy presented to the emergency department with two days of nausea, emesis, seizures, and two months of progressive proptosis...
January 1, 2018: Neuroradiology Journal
https://www.readbyqxmd.com/read/29879767/outcomes-of-unstable-subaxial-cervical-spine-fractures-managed-by-posteroanterior-stabilization-and-fusion
#14
Charanjit Singh Dhillon, Mithun Shriniwas Jakkan, Rishi Dwivedi, Narendra Reddy Medagam, Pankaj Jindal, Shrikant Ega
STUDY DESIGN: Retrospective study. PURPOSE: To evaluate clinical and radiological outcomes of unstable subaxial cervical spine injuries managed by both posterior tension band column stabilization and anterior decompression, stabilization, and fusion. OVERVIEW OF LITERATURE: Unstable subaxial cervical spine injuries often involve disruption of the anterior column and posterior tension band osteoligamentous complex. Such injuries need immediate surgical intervention...
June 2018: Asian Spine Journal
https://www.readbyqxmd.com/read/29874549/impaired-organization-of-gabaergic-neurons-following-prenatal-hypoxia
#15
Haya Nisimov, Ayelet Orenbuch, Samuel J Pleasure, Hava M Golan
Several conditions related to the intrauterine environment are associated with neuropsychiatric conditions in later life. In humans, approximately 2% of infants are exposed to perinatal hypoxia-ischemia or prolonged anoxic insult, a condition to which very low birth weight preterm infants exhibit the highest susceptibility. Analyses of postmortem tissue link some presentations of these conditions to changes in GABA pathway functionality in the brains of affected subjects. Using animal models of early-life hypoxia-ischemia, losses of particular interneuron populations were reported...
June 3, 2018: Neuroscience
https://www.readbyqxmd.com/read/29868424/the-adjustable-locking-suspension-sling-technique-for-fixation-of-the-tibial-eminence-fracture-in-adolescents
#16
Mohamed Aboalata, Ahmed Almohandes, Osama Abunar, Moheib S Ahmed, Andreas B Imhoff, Yehia Bassiouny
Avulsion fractures of the tibial eminence, although generally a rare injury pattern, are more common in children and adolescents than in adults. Many open and arthroscopic techniques are available with variable degrees of satisfying results and incidence of complications and adverse effects. Arthroscopic fixation appeared to improve the functional outcomes with fewer complications than the open fixation. New techniques were reported using commercially available suspension sling devices for the acromioclavicular joint that offers an easy and rapid method of fixation...
May 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29864596/effects-of-diabetic-peripheral-neuropathy-on-gait-in-vascular-trans-tibial-amputees
#17
Hiroshi Nakajima, Sumiko Yamamoto, Junji Katsuhira
BACKGROUND: Patients with diabetes often develop diabetic peripheral neuropathy, which is a distal symmetric polyneuropathy, so foot function on the non-amputated side is expected to affect gait in vascular trans-tibial amputees. However, there is little information on the kinematics and kinetics of gait or the effects of diabetic peripheral neuropathy in vascular trans-tibial amputees. This study aimed to clarify these effects, including the biomechanics of the ankle on the non-amputated side...
May 9, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29852131/the-neural-border-induction-specification-and-maturation-of-the-territory-that-generates-neural-crest-cells
#18
REVIEW
Patrick Pla, Anne H Monsoro-Burq
The neural crest is induced at the edge between the neural plate and the nonneural ectoderm, in an area called the neural (plate) border, during gastrulation and neurulation. In recent years, many studies have explored how this domain is patterned, and how the neural crest is induced within this territory, that also participates to the prospective dorsal neural tube, the dorsalmost nonneural ectoderm, as well as placode derivatives in the anterior area. This review highlights the tissue interactions, the cell-cell signaling and the molecular mechanisms involved in this dynamic spatiotemporal patterning, resulting in the induction of the premigratory neural crest...
May 28, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29843895/single-versus-double-column-fixation-in-transverse-fractures-of-the-acetabulum-a-randomised-controlled-trial
#19
Mahmoud Fahmy, Mahmoud Abdel Karim, Sherif A Khaled, Ahmed Hazem Abdelazeem, Walid A Elnahal, Ashraf Elnahal
INTRODUCTION: Biomechanical studies have compared fixation methods in transverse acetabular fractures, yet there is not enough clinical data to suggest an optimal fixation method. The aim of this randomized controlled trail was to compare fracture stability in posterior plating alone versus posterior plating and anterior column lag-screw fixation in treatment of transverse and transverse with posterior wall acetabular fractures. METHODS: Thirty patients were randomized to one of two groups, either posterior fixation alone (single column group), or posterior plating and anterior fixation with percutaneous anterior column screw (double column group)...
May 24, 2018: Injury
https://www.readbyqxmd.com/read/29843118/whole-body-organization-during-a-symmetric-bimanual-pick-up-task-for-children-with-unilateral-cerebral-palsy
#20
Ya-Ching Hung, Aryeh Spingarn
BACKGROUND: Information on whole-body coordination involving bimanual coordination for children with unilateral spastic cerebral palsy (USCP) is limited. RESEARCH QUESTION: The purpose of the current study is to test the hypothesis that during a whole-body pick up task, children with USCP will organize their whole- body movements and bimanual coordination differently than typically-developing children (TDC). METHODS: Twelve children with USCP (average age: 8...
May 24, 2018: Gait & Posture
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