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https://www.readbyqxmd.com/read/28817819/progressive-kyphosis-associated-with-tethered-cord-syndrome-treated-by-posterior-vertebral-column-resection-in-a-pediatric-patient
#1
Kadir Oktay, Kerem Mazhar Ozsoy, Yurdal Gezercan, Nuri Eralp Cetinalp, Tahsin Erman
Posterior vertebral column resection is a novel surgical approach for the treatment of progressive kyphosis associated with tethered cord syndrome that was first treated with untethering surgery. A patient with tethered cord syndrome associated with kyphosis first underwent untethering surgery, resulting in progressive kyphosis. Posterior vertebral column resection was performed to correct the kyphosis while shortening the spinal column to prevent the spinal cord from stretch injury. Good correction of kyphosis and reduction of tension on the neural elements were achieved without any neurological deficits...
August 18, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28817752/technical-refinements-and-outcomes-of-the-modified-anterior-septal-transplant
#2
Myriam Loyo, Jeffrey D Markey, Deniz Gerecci, Edward El Rassi, Ryan J Li, C Blake Sullivan, Tom D Wang
Importance: Severe anterior septal deviation and resultant nasal obstruction represent a difficult surgical task to correct. The goal of surgery is to straighten the anterior dorsal and caudal struts, while maintaining nasal tip and midvault support. This study presents a novel extracorporeal septoplasty technique to straighten the crooked anterior septum. Objective: To describe the novel anterior septal transplant technique, which consists of complete resection of the caudal septum and reconstruction with extended spreader grafts and a columellar strut, without a separate caudal septal replacement graft...
August 17, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28817554/occupational-distribution-of-campylobacteriosis-and-salmonellosis-cases-maryland-ohio-and-virginia-2014
#3
Chia-Ping Su, Marie A de Perio, Kathleen Fagan, Meghan L Smith, Ellen Salehi, Seth Levine, Karen Gruszynski, Sara E Luckhaupt
Campylobacter and Salmonella are leading causes of bacterial gastroenteritis in the United States and are estimated to cause >1 million episodes of domestically acquired illness annually (1). Campylobacter and Salmonella are primarily transmitted through contaminated food, but animal-to-human and human-to-human transmission can also occur (2,3). Although occupationally acquired infections have been reported, occupational risk factors have rarely been studied. In 2015, the Occupational Safety and Health Administration (OSHA) identified 63 suspected or confirmed cases of Campylobacter infection over 3...
August 18, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28817439/faculty-development-for-the-operating-room-an-examination-of-the-effectiveness-of-an-intraoperative-teaching-course-for-surgeons
#4
Aimee K Gardner, Matthew D Timberlake, Brian J Dunkin
OBJECTIVE: We describe a half-day faculty development course designed to equip surgical educators with evidence-based teaching frameworks shown to promote learning in the operating room (OR). We hypothesize that participating faculty will deliver improved instruction as perceived by residents. METHODS: Residents anonymously rated faculty teaching behaviors among whom they had recently worked in the OR (minimum 3 cases in preceding 6 months) using the Briefing - Intraoperative teaching - Debriefing Assessment Tool (BIDAT; 1 = never, 5 = always)...
August 16, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28817401/challenges-in-the-anesthetic-management-of-ambulatory-patients-in-the-mri-suites
#5
Jasper Deen, Yzabel Vandevivere, Peter Van de Putte
PURPOSE OF REVIEW: MRI is becoming an indispensable diagnostic tool. The need for prolonged motion-free periods has substantially increased the need for deep sedation or anesthesia in a challenging environment. This review summarises recent literature with respect to pharmacological sedative strategies, nonpharmacological alternative approaches, airway management and safety issues in the ambulatory setting. RECENT FINDINGS: Most literature researches the pediatric patient population...
August 16, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28817345/reverse-transcription-quantitative-polymerase-chain-reaction-for-detection-of-and-differentiation-between-rna-and-dna-of-hiv-1-based-lentiviral-vectors
#6
Melanie Pavlovic, Nina Koehler, Martina Anton, Anna Dinkelmeier, Maren Haase, Thorsten Stellberger, Ulrich Busch, Armin E Baiker
The purpose of the described method is the detection of and differentiation between RNA and DNA of human immunodeficiency virus (HIV)-derived lentiviral vectors (LV) in cell culture supernatants and swab samples. For the analytical surveillance of genetic engineering, operations methods for the detection of the HIV-1-based LV generations are required. Furthermore, for research issues, it is important to prove the absence of LV particles for downgrading experimental settings in terms of the biosafety level. Here, a quantitative polymerase chain reaction method targeting the long terminal repeat U5 subunit and the start sequence of the packaging signal ψ is described...
August 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28817196/technical-note-quantitative-analysis-of-ivim-diffusion-mri-using-total-variation-and-huber-penalty-function
#7
Esha Baidya Kayal, Devasenathipathy Kandasamy, Kedar Khare, Jayendra Tiru Alampally, Sameer Bakhshi, Raju Sharma, Amit Mehndiratta
PURPOSE: Quantitative analysis in Intra-voxel Incoherent Motion (IVIM) imaging commonly uses voxel-wise estimation of the bi-exponential model, which might not be reliable for clinical interpretation. Improving model fitting performance and qualitative and quantitative parametric estimation, two novel methodologies are proposed here. METHODS: Five IVIM analyses methodologies: i) Bi-Exponential (BE) model, ii) Segmented BE method with 2-parameter fitting (BEseg-2), iii) Segmented BE method with 1-parameter fitting (BEseg-1), iv) BE with adaptive Total Variation Penalty function (BE+TV) and v) BE with adaptive Huber Penalty function (BE+HPF) were evaluated...
August 17, 2017: Medical Physics
https://www.readbyqxmd.com/read/28817132/plasma-of-argon-cleaning-treatment-on-implant-abutments-in-periodontally-healthy-patients-six-years-postloading-results-of-a-randomized-controlled-trial
#8
Luigi Canullo, Marco Tallarico, Miguel Penarrocha, Giuseppe Corrente, Joseph Fiorellini, David Penarrocha
The aim of this randomized, match-paired, triple-blinded, controlled clinical trial was to assess the 6-year radiographic changes around customized platform-switched abutments placed according to the one abutment-one time concept, with and without plasma of argon cleaning treatment. A total of 20 periodontally healthy patients received one maxillary implant between the premolars. Immediately before stage 2 surgery and abutment connection, patients were randomly assigned to the control (cleaning protocol by steam) or test group (plasma of argon treatment)...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28817126/principles-for-vertical-ridge-augmentation-in-the-atrophic-posterior-mandible-a-technical-review
#9
Istvan A Urban, Alberto Monje, Jaime Lozada, Hom-Lay Wang
Guided bone regeneration has become more predictable due to advances in material sciences. Nevertheless, vertical ridge augmentation (VRA) remains a potential challenge due to the complexity of soft tissue management. This becomes more complicated in the posterior atrophic mandible due to limited access and poorer blood supply. As such, a number of critical elements must be taken into consideration in treatment planning. Anatomical structures potentially jeopardize intraoperative adverse events such as bleeding or neurosensory disturbances...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28816915/physician-awareness-of-developmental-screening-and-referral-in-the-state-of-kuwait
#10
Hollie Hix-Small, Khaled Alkherainej
OBJECTIVE: In the State of Kuwait, family physicians and pediatricians are responsible for identifying and referring children at risk of disability. The aims of this study were to better understand physician (1) use of developmental screening instruments, (2) referral practices for children at risk of developmental disability, (3) interpretation of screening results, and (4) anticipatory guidance topics prioritized over child screening. METHODS: A nonprobability volunteer, self-selection sample of family physicians, general practitioners, and pediatricians (n = 398) completed a 60-item paper questionnaire...
August 9, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28816718/double-composite-tissue-z-plasty-technique-for-anatomical-restoration-of-severe-nasal-deformity-in-secondary-unilateral-cleft-lip
#11
Jiao Wei, Tanja Herrler, Hua Xu, Qingfeng Li, Chuanchang Dai
BACKGROUND: Patients with secondary unilateral cleft lip are regularly affected by serious nasal deformities especially of the alar and nasal floor. A large number of techniques for correction have been published, but symmetrical restoration of severe nasal deformation is difficult to achieve. We propose an innovative approach for anatomical restoration for this entity of nasal deformities to achieve long-term symmetrical appearance and muscular function. METHODS: A total of 68 patients with severe nasal deformity due to secondary unilateral cleft lip underwent reconstructive surgery using a double composite tissue Z-plasty technique for anatomical restoration of cartilage, muscle, and soft tissue layers...
August 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28816674/advances-in-monte-carlo-simulation-for-light-propagation-in-tissue
#12
Vijitha Periyasamy, Manojit Pramanik
Monte Carlo (MC) simulation for light propagation in tissue is the gold standard for studying the light propagation in biological tissue and has been used for years. Interaction of photons with a medium is simulated based on its optical properties. New simulation geometries, tissue-light interaction methods, and recording techniques are designed recently. Applications, such as whole mouse body simulations for fluorescence imaging, eye model for blood vessel imaging, skin model for terahertz imaging, human head model for sinus imaging, have emerged...
August 14, 2017: IEEE Reviews in Biomedical Engineering
https://www.readbyqxmd.com/read/28816523/measures-to-assess-the-performance-of-an-australian-non-government-charitable-non-acute-health-service-a-delphi-survey-of-organisational-stakeholders
#13
Richard Colbran, Robyn Ramsden, Karen Stagnitti, Samantha Adams
Organisation performance measurement is relevant for non-profit charitable organisations as they strive for security in an increasingly competitive funding environment. This study aimed to identify the priority measures and indicators of organisational performance of an Australian non-government charitable organisation that delivers non-acute health services. Seventy-seven and 59 participants across nine stakeholder groups responded to a two-staged Delphi technique study of a case study organisation. The stage one questionnaire was developed using information garnered through a detailed review of literature...
January 1, 2017: Health Services Management Research
https://www.readbyqxmd.com/read/28816435/fiber-based-double-sided-reduced-graphene-oxide-films-for-efficient-solar-vapor-generation
#14
Ankang Guo, Xin Ming, Yang Fu, Gang Wang, Xianbao Wang
Solar vapor generation is a promising and whole new branch of photothermal conversion for harvesting solar energy. Various materials and devices for solar thermal conversion were successively produced and reported for higher solar energy utilization in the past few years. Herein, a compact device of reduced graphene oxides (rGO) and paper fibers was designed and assembled for efficient solar steam generation under light illumination, and it consists of water supply pipelines (WSP), a thermal insulator (TI) and a double-sided absorbing film (DSF)...
August 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28816307/quantum-cascade-lasers-qcls-in-biomedical-spectroscopy
#15
REVIEW
Andreas Schwaighofer, Markus Brandstetter, Bernhard Lendl
Quantum cascade lasers (QCL) are the first room temperature semiconductor laser source for the mid-IR spectral region, triggering substantial development for the advancement of mid-IR spectroscopy. Mid-IR spectroscopy in general provides rapid, label-free and objective analysis, particularly important in the field of biomedical analysis. Due to their unique properties, QCLs offer new possibilities for development of analytical methods to enable quantification of clinically relevant concentration levels and to support medical diagnostics...
August 17, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28816305/real-time-atomic-scale-observation-of-void-formation-and-anisotropic-growth-in-ii-vi-semiconducting-ribbons
#16
Xing Huang, Travis Jones, Hua Fan, Marc-Georg Willinger
Void formation in semiconductors is generally considered to be deteriorating. However, for some systems, void formation and evolution are beneficial and can be used for the fabrication of novel nanostructures. In either scenario, the understanding of void formation and evolution is of both scientific and technical high importance. Herein, using ZnS ribbons as an example, we report real-time observations of void formation and the kinetics of growth at the nano- and atomic scales upon heating. Direct imaging reveals that voids, created by a focused electron beam in wurtzite (WZ) ribbons, have a rectangular shape elongated along the <0001> direction...
August 17, 2017: Nanoscale
https://www.readbyqxmd.com/read/28816159/consensus-guidelines-for-implementing-pencil-beam-scanning-proton-therapy-for-thoracic-malignancies-on-behalf-of-the-ptcog-thoracic-and-lymphoma-subcommittee
#17
REVIEW
Joe Y Chang, Xiaodong Zhang, Antje Knopf, Heng Li, Shinichiro Mori, Lei Dong, Hsiao-Ming Lu, Wei Liu, Shahed N Badiyan, Stephen Both, Arturs Meijers, Liyong Lin, Stella Flampouri, Zuofeng Li, Kikuo Umegaki, Charles B Simone, Xiaorong R Zhu
Pencil-beam scanning (PBS) proton therapy (PT), particularly intensity modulated PT, represents the latest advanced PT technology for treating cancers, including thoracic malignancies. On the basis of virtual clinical studies, PBS-PT appears to have great potential in its ability to tightly tailor the dose to the target while sparing critical structures, thereby reducing treatment-related toxicities, particularly for tumors in areas with complicated anatomy. However, implementing PBS-PT for moving targets has several additional technical challenges compared with intensity modulated photon radiation therapy or passive scattering PT...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28816143/radiation-therapy-versus-no-radiation-therapy-to-the-neo-breast-following-skin-sparing-mastectomy-and-immediate-autologous-free-flap-reconstruction-for-breast-cancer-patient-reported-and-surgical-outcomes-at-1-year-a-mastectomy-reconstruction-outcomes-consortium
#18
Andrew L Cooke, Julian Diaz-Abele, Tom Hayakawa, Ed Buchel, Kimberly Dalke, Pascal Lambert
PURPOSE: To determine whether adjuvant radiation therapy (RT) is associated with adverse patient-reported outcomes and surgical complications 1 year after skin-sparing mastectomy and immediate autologous free flap reconstruction for breast cancer. METHODS AND MATERIALS: We compared 24 domains of patient-reported outcome measures 1 year after autologous reconstruction between patients who received adjuvant RT and those who did not. A total of 125 patients who underwent surgery between 2012 and 2015 at our institution were included from the Mastectomy Reconstruction Outcomes Consortium study database...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28816077/in-vitro-evaluation-of-the-occlusive-properties-of-the-artventive-eos-occlusion-device-for-transrenal-ureteral-occlusion
#19
Daniel Kuetting, Carsten Meyer, Hans Heinz Schild, Claus Christian Pieper
PURPOSE: Current techniques for percutaneous ureteral occlusion are either technically difficult or not satisfactory due to frequent ureteral recanalization. The purpose of this in vitro study was to evaluate the occlusive properties of an "off the shelf" solution (EOS; ArtVentive Medical Group, Inc, Carlsbad, CA/USA) for transrenal ureteral occlusion. MATERIALS AND METHODS: 8 and 11 mm ePTFE covered ArtVentive EOS devices were used in 10 porcine models. Experiments were performed in explanted porcine ureters to simulate physiologic conditions...
August 17, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28816053/in-vitro-exposure-systems-and-dosimetry-assessment-tools-for-inhaled-tobacco-products-workshop-proceedings-conclusions-and-paths-forward-for-in-vitro-model-use
#20
Holger Behrsing, Erin Hill, Hans Raabe, Raymond Tice, Suzanne Fitzpatrick, Robert Devlin, Kent Pinkerton, Günter Oberdörster, Chris Wright, Roman Wieczorek, Michaela Aufderheide, Sandro Steiner, Tobias Krebs, Bahman Asgharian, Richard Corley, Michael Oldham, Jason Adamson, Xiang Li, Irfan Rahman, Sonia Grego, Pei-Hsuan Chu, Shaun McCullough, Rodger Curren
In 2009, the passing of the Family Smoking Prevention and Tobacco Control Act facilitated the establishment of the FDA Center for Tobacco Products (CTP), and gave it regulatory authority over the marketing, manufacture and distribution of tobacco products, including those termed 'modified risk'. On 4-6 April 2016, the Institute for In Vitro Sciences, Inc. (IIVS) convened a workshop conference entitled, In Vitro Exposure Systems and Dosimetry Assessment Tools for Inhaled Tobacco Products, to bring together stakeholders representing regulatory agencies, academia and industry to address the research priorities articulated by the FDA CTP...
July 2017: Alternatives to Laboratory Animals: ATLA
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