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https://www.readbyqxmd.com/read/28317322/cerebrospinal-fluid-leaks-during-endoscopic-sinus-surgery-in-thirty-two-patients
#1
Georg J Ledderose, Klaus Stelter, Christian S Betz, Anna S Englhard, Carola Ledderose, Andreas Leunig
The inadvertent cerebrospinal fluid (CSF) leak is a very rare but potentially hazardous complication in endoscopic sinus surgery. We performed a systematic review of a series of 32 cases of CSF leaks occurring during sinus surgery. We identified surgical inexperience and impaired orientation in the surgical field as the main risk factors for iatrogenic CSF leaks. The lateral lamella of the cribriform plate and the anterior ethmoid roof are predilection sites for CSF leaks in the anterior skull base. We determined suitable methods of repair based on the location of the leak and found high success rates after endoscopic leak closure...
March 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28316921/comparison-of-2%C3%A2-mm-single-locking-miniplates-versus-2%C3%A2-mm-two-non-locking-miniplates-in-symphysis-and-parasymphysis-fracture-of-mandible
#2
Arpit Vashistha, Manpreet Singh, Manoj Chaudhary, Nimish Agarwal, Gagandeep Kaur
INTRODUCTION: The purpose of this study is to compare the efficacy of single 2 mm locking miniplates versus two 2 mm non-locking (conventional) miniplates in symphysis and parasymphysis fracture of mandible. METHOD: This present study included 40 patients of maxillofacial trauma having mandibular symphysis/parasymphysis fractures in which open reduction and internal fixation is indicated. Patients were selected according to the inclusion criteria and divided into two groups, i...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28315817/a-figure-eight-suture-loop-with-kirschner-wires-for-fixation-of-anteromedial-coronoid-process-fractures-a-case-series
#3
Longxiang Shen, Xingang Yu, Biao Zhong, Jian Ding
PURPOSE: Sufficient fixation of an anterior or anteromedial facet fracture of the coronoid process in fracture-dislocation of elbow is important to maintain joint stability. The purpose of this study was to report our experience with 11 patients who were managed with an original fixation technique using a "figure-eight" suture loop. METHODS: From February 2010 to March 2011, 11 cases with a fracture of the anterior or anteromedial facet of the coronoid process were treated by coronoid fixation using a figure-eight suture loop...
February 21, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28314869/-operative-treatment-of-terrible-triad-injury-of-the-elbow-open-reduction-and-internal-fixation
#4
R Babst, C Schraner, F J P Beeres
AIM OF SURGERY: Reconstruction of the most important ligamentous and osseus structures of the elbow after terrible triad injury via the radial head to the lateral collateral ligament complex (LCL) and if necessary beginning at the coronoid process. The aim is a stable concentrically guided elbow with early functional follow-up treatment. The approach depends on the intraoperatively tested stability. INDICATIONS: Osteoligamentous terrible triad injury pattern with or without subluxation position following reduction and temporary immobilization...
March 17, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28304237/cervical-disc-arthroplasty-with-the-prestige-lp-disc-versus-anterior-cervical-discectomy-and-fusion-at-2-levels-results-of-a-prospective-multicenter-randomized-controlled-clinical-trial-at-24-months
#5
Matthew F Gornet, Todd H Lanman, J Kenneth Burkus, Scott D Hodges, Jeffrey R McConnell, Randall F Dryer, Anne G Copay, Hui Nian, Frank E Harrell
OBJECTIVE The authors compared the efficacy and safety of arthroplasty using the Prestige LP cervical disc with those of anterior cervical discectomy and fusion (ACDF) for the treatment of degenerative disc disease (DDD) at 2 adjacent levels. METHODS Patients from 30 investigational sites were randomized to 1 of 2 groups: investigational patients (209) underwent arthroplasty using a Prestige LP artificial disc, and control patients (188) underwent ACDF with a cortical ring allograft and anterior cervical plate...
March 17, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28301490/a-novel-flexible-microfluidic-meshwork-to-reduce-fibrosis-in-glaucoma-surgery
#6
Behzad Amoozgar, Xiaoling Wei, Jun Hui Lee, Michele Bloomer, Zhengtuo Zhao, Paul Coh, Fei He, Lan Luan, Chong Xie, Ying Han
PURPOSE/RELEVANCE: Fibrosis and hence capsule formation around the glaucoma implants are the main reasons for glaucoma implant failure. To address these issues, we designed a microfluidic meshwork and tested its biocompatibility in a rabbit eye model. The amount of fibrosis elicited by the microfluidic meshwork was compared to the amount elicited by the plate of conventional glaucoma drainage device. METHODS: Six eyes from 3 New Zealand albino rabbits were randomized to receive either the novel microfluidic meshwork or a plate of Ahmed glaucoma valve model PF7 (AGV PF7)...
2017: PloS One
https://www.readbyqxmd.com/read/28295382/investigation-of-interfractional-shape-variations-based-on-statistical-point-distribution-model-for-prostate-cancer-radiation-therapy
#7
Yusuke Shibayama, Hidetaka Arimura, Taka-Aki Hirose, Takahiro Nakamoto, Tomonari Sasaki, Saiji Ohga, Norimasa Matsushita, Yoshiyuki Umezu, Yasuhiko Nakamura, Hiroshi Honda
PURPOSE: The setup errors and organ motion errors pertaining to clinical target volume (CTV) have been considered as two major causes of uncertainties in the determination of the CTV-to-planning target volume (PTV) margins for prostate cancer radiation treatment planning. We based our study on the assumption that interfractional target shape variations are not negligible as another source of uncertainty for the determination of precise CTV-to-PTV margins. Thus, we investigated the interfractional shape variations of CTVs based on a point distribution model (PDM) for prostate cancer radiation therapy...
March 15, 2017: Medical Physics
https://www.readbyqxmd.com/read/28290305/a-rare-probable-chondroblastoma-of-the-calcaneus-in-a-pre-columbian-subadult-from-illinois
#8
Maria Ostendorf Smith, Christopher E Nicosia
Discrete cystic or tumorous intraosseous lesions can arise from a variety of benign and malignant conditions as well as trauma and infection. They are clinically rarely observed in the calcaneus. A fourteen-to-seventeen-year-old subadult recovered from a Late Woodland (∼AD 800-1100) period mortuary context in the Mississippi River Valley of central Illinois presents with a single lytic intraosseous lesion on the posterior right calcaneus that bilaterally perforates the cortex. The lesion, although primarily anterior to the epiphyseal plate, does breach it...
March 2017: International Journal of Paleopathology
https://www.readbyqxmd.com/read/28287388/kerboull-type-plate-in-a-direct-anterior-approach-for-severe-bone-defects-at-primary-total-hip-arthroplasty-technical-note
#9
Mikio Matsumoto, Tomonori Baba, Hironori Ochi, Yu Ozaki, Taiji Watari, Yasuhiro Homma, Kazuo Kaneko
INTRODUCTION: For cases with extensive acetabular bone defects, we perform surgery combining the Kerboull-type (KT) plate and bone graft through direct anterior approach (DAA) in primary total hip arthroplasty (THA) requiring acetabular reconstruction as minimally invasive surgery. This paper provides the details of the surgical procedure. METHODS: The basic structure of the Kerboull-type plate is a cruciform plate. Since the hook of the Kerboull-type plate has to be applied to the tear drop, a space for it was exposed...
2017: SICOT-J
https://www.readbyqxmd.com/read/28283840/locking-stand-alone-cages-versus-anterior-plate-constructs-in-single-level-fusion-for-degenerative-cervical-disease-a-systematic-review-and-meta-analysis
#10
REVIEW
Mithun Nambiar, Kevin Phan, John Edward Cunningham, Yi Yang, Peter Lawrence Turner, Ralph Mobbs
PURPOSE: To conduct a meta-analysis to compare the clinical and radiological outcomes in single-level anterior cervical discectomy and fusion (ACDF) surgery for degenerative cervical disease performed by either single-level locking stand-alone cage (LSC) or anterior plate construct (APC). METHODS: We performed a comprehensive database search of Medline, PubMed, EMBASE and Cochrane Database of Systematic Reviews according to PRISMA guidelines and identified six articles that satisfied our inclusion criteria...
March 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28279770/transoral-decompression-and-anterior-stabilization-of-atlantoaxial-joint-in-patients-with-basilar-impression-and-chiari-malformation-type-i-a-technical-report-2-clinical-cases
#11
Alexey Nikolaevich Shkarubo, Alexander Alekseevich Kuleshov, Ilia Valerievich Chernov, Marchel Stepanovich Vetrile
OBJECT: presentation of clinical cases involving successful anterior stabilization of the C1-C2 segment in patients with invaginated C2 odontoid process and Chiari malformation type I. STUDY DESIGN: clinical case description. RESULTS: two patients with C2 odontoid processes invagination and Chiari malformation type I were surgically treated using the transoral approach. In both cases, anterior decompression of the upper cervical region was performed, followed by anterior stabilization of the C1-C2 segment...
March 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28279427/finite-element-analysis-of-the-three-different-posterior-malleolus-fixation-strategies-in-relation-to-different-fracture-sizes
#12
Adeel Anwar, Decheng Lv, Zhi Zhao, Zhen Zhang, Ming Lu, Muhammad Umar Nazir, Wasim Qasim
PURPOSE: Appropriate fixation method for the posterior malleolar fractures (PMF) according to the fracture size is still not clear. Aim of this study was to evaluate the outcomes of the different fixation methods used for fixation of PMF by finite element analysis (FEA) and to compare the effect of fixation constructs on the size of the fracture computationally. MATERIALS AND METHODS: Three dimensional model of the tibia was reconstructed from computed tomography (CT) images...
February 20, 2017: Injury
https://www.readbyqxmd.com/read/28272237/risk-factors-for-dysphagia-after-anterior-cervical-spine-surgery-a-meta-analysis
#13
Feng-Yu Liu, Da-Long Yang, Wen-Zheng Huang, Li-Shuang Huo, Lei Ma, Hui Wang, Si-Dong Yang, Wen-Yuan Ding
BACKGROUND: Dysphagia is a well-known complication following anterior cervical spine surgery. Although risk factors for dysphagia have been reported in the literature, they still remain controversial. This study aims to investigate the risk factors associated with dysphagia following anterior cervical spinal surgery. METHODS: PubMed, EMBASE, and The Cochrane Library were searched up to June 2016 for studies examining dysphagia following anterior cervical spinal surgery...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28270223/biomechanical-characteristics-of-fixation-methods-for-floating-pubic-symphysis
#14
Wenhao Song, Dongsheng Zhou, Yu He
BACKGROUND: Floating pubic symphysis (FPS) is a relatively rare injury caused by high-energy mechanisms. There are several fixation methods used to treat FPS, including external fixation, subcutaneous fixation, internal fixation, and percutaneous cannulated screw fixation. To choose the appropriate fixation, it is necessary to study the biomechanical performance of these different methods. The goal of this study was to compare the biomechanical characteristics of six methods by finite element analysis...
March 7, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28270058/internal-fixation-of-s1-s3-iliosacral-screws-and-pubic-screw-as-the-best-configuration-for-unstable-pelvic-fracture-with-unilateral-vertical-sacral-fracture-ao-type-c1-3
#15
Ismail Hadisoebroto Dilogo, Oryza Satria, Jessica Fiolin
BACKGROUND: Although internal fixation is the definitive treatment in unstable pelvic fractures with disruption of the anterior arch and a vertical fracture of the sacrum (AO type C1.3), there have been no agreement of the best technique of internal fixation yet. We aimed to derive comparable objective data on stiffness and load to failure in this type of fracture fixations. METHODS: Synbone was modified into AO type C1.3 fracture model, while treatments were divided into six internal fixation treatment groups using tension band plate (TBP), symphysis pubis plate (SP) with iliosacral screw at S1 and S2 (IS S1-S2), pubic screw (PS) with iliosacral TBP, PS and IS S1-S2, SP and IS S1-S3, PS and S1-S3 and finally PS and IS S1-S3...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28264242/polyetheretherketone-cage-with-demineralized-bone-matrix-can-replace-iliac-crest-autografts-for-anterior-cervical-discectomy-and-fusion-in-subaxial-cervical-spine-injuries
#16
Soo-Han Kim, Jung-Kil Lee, Jae-Won Jang, Hyun-Woong Park, Hyuk Hur
OBJECTIVE: This study aimed to compare the clinical and radiologic outcomes of patients with subaxial cervical injury who underwent anterior cervical discectomy and fusion (ACDF) with autologous iliac bone graft or polyetheretherketone (PEEK) cages using demineralized bone matrix (DBM). METHODS: From January 2005 to December 2010, 70 patients who underwent one-level ACDF with plate fixation for post-traumatic subaxial cervical spinal injury in a single institution were retrospectively investigated...
March 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28262513/analysis-of-the-cephalometric-changes-in-the-first-3-months-after-spring-assisted-cranioplasty-for-scaphocephaly
#17
O Ou Yang, D D Marucci, R J Gates, M Rahman, J Hunt, M P Gianoutsos, W R Walsh
BACKGROUND: Spring-assisted cranioplasty (SAC) has become an accepted treatment for patients with sagittal craniosynostosis; however, the early effects of springs on skull dimensions have never been assessed with objective measurements in the literature. The present study evaluated the changes in skull dimensions and intracranial volume (ICV) during the first 3 months after SAC for sagittal synostosis. METHODS: Sixteen patients with sagittal synostosis underwent SAC...
January 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28253941/arthrodesis-of-the-ankle
#18
H Zwipp
About 90 % of all cases of painful posttraumatic ankle arthritis can be very successfully treated with a minor invasive ankle arthrodesis technique by using a small anterior approach and a fixation with four 6. 5 mm screws of which the posteromedial and transfibular one are inserted percutaneously. The results with this standardized procedure have been reported previously as excellent and good in a mid-term run of 6 years (34). This technique leads to a high union rate of 99% (92 of 93) with rapid bone healing within 8 ± 2 weeks, it causes a low minor complication rate of 8 % and enables a significant increase of the AOFAS ankle/hindfoot score (17) from 36 preoperatively to 85 postoperatively as well as a midtarsal movement of 24° ± 16°...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28248973/a-new-genus-and-species-of-marine-catfishes-siluriformes-ariidae-from-the-upper-eocene-birket-qarun-formation-wadi-el-hitan-egypt
#19
Sanaa E El-Sayed, Mahmoud A Kora, Hesham M Sallam, Kerin M Claeson, Erik R Seiffert, Mohammed S Antar
Wadi El-Hitan, the UNESCO World Heritage Site, of the Fayum Depression in the northeast part of the Western Desert of Egypt, has produced a remarkable collection of Eocene vertebrates, in particular the fossil whales from which it derives its name. Here we describe a new genus and species of marine catfishes (Siluriformes; Ariidae), Qarmoutus hitanensis, from the base of the upper Eocene Birket Qarun Formation, based on a partial neurocranium including the complete left side, partial right dentary, left suspensorium, two opercles, left pectoral girdle and spine, nuchal plates, first and second dorsal spines, Weberian apparatus and a disassociated series of abdominal vertebrae...
2017: PloS One
https://www.readbyqxmd.com/read/28244593/growth-factor-signaling-alters-the-morphology-of-the-zebrafish-ethmoid-plate
#20
Brian J Cusack, Trish E Parsons, Seth M Weinberg, Alexandre R Vieira, Heather L Szabo-Rogers
Craniofacial development relies on coordinated tissue interactions that allow for patterning and growth of the face. We know a priori that the Wingless, fibroblast growth factor, Hedgehog and transforming growth factor-beta growth factor signaling pathways are required for the development of the face, but how they contribute to the shape of the face is largely untested. Here, we test how each signaling pathway contributes to the overall morphology of the zebrafish anterior neurocranium. We tested the contribution of each signaling pathway to the development of the ethmoid plate during three distinct time periods: the time of neural crest migration [10 hour post fertilization (hpf)]; once the neural crest is resident in the face (20 hpf); and finally at the time at which the cartilaginous condensations are being initiated (48 hpf)...
February 28, 2017: Journal of Anatomy
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