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https://www.readbyqxmd.com/read/28647828/3d-printing-of-severe-hypertrophic-cardiomyopathy-in-a-child-with-rasopathy
#1
N F Johnston, T Prendiville, C J McMahon
We describe the use of 3D printing in conjunction with echocardiography in assessing hypertrophic cardiomyopathy in a boy with Rasopathy. 3D printing may supplement conventional imaging including echocardiography and MRI in the evaluation of hypertrophic cardiomyopathy.
June 25, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28647748/single-level-anterior-cervical-corpectomy-and-fusion-using-a-new-3d-printed-anatomy-adaptive-titanium-mesh-cage-for-treatment-of-cervical-spondylotic-myelopathy-and-ossification-of-the-posterior-longitudinal-ligament-a-retrospective-case-series-study
#2
Teng Lu, Chao Liu, Baohui Yang, Jiantao Liu, Feng Zhang, Dong Wang, Haopeng Li, Xijing He
BACKGROUND The aim of this study was to evaluate the clinical and radiological outcomes of the use of a new 3D-printed anatomy-adaptive titanium mesh cage (AA-TMC) for single-level anterior cervical corpectomy and fusion (ACCF) in patients with cervical spondylotic myelopathy (CSM) and ossification of the posterior longitudinal ligament (OPLL). MATERIAL AND METHODS We retrospectively reviewed the records of 15 consecutive patients who underwent ACCF surgeries with AA-TMC implantation. The Japanese Orthopedic Association (JOA) scoring system, a visual analogue scale (VAS), the mean intervertebral height (MIBH) of the surgical segments, and the surgical segmental angle (SSA) were recorded preoperatively, immediately after surgery and at the final follow-up visit...
June 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28647340/a-simulator-for-training-in-endovascular-aneurysm-repair-the-use-of-three-dimensional-printers
#3
I O Torres, N De Luccia
OBJECTIVES: To develop an endovascular aneurysm repair (EVAR) simulation system using three dimensional (3D) printed aneurysms, and to evaluate the impact of patient specific training prior to EVAR on the surgical performance of vascular surgery residents in a university hospital in Brazil. METHODS: This was a prospective, controlled, single centre study. During 2015, the aneurysms of patients undergoing elective EVAR at São Paulo University Medical School were 3D printed and used in training sessions with vascular surgery residents...
June 21, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28646444/engineering-3d-models-of-tumors-and-bone-to-understand-tumor-induced-bone-disease-and-improve-treatments
#4
REVIEW
Kristin A Kwakwa, Joseph P Vanderburgh, Scott A Guelcher, Julie A Sterling
PURPOSE OF REVIEW: Bone is a structurally unique microenvironment that presents many challenges for the development of 3D models for studying bone physiology and diseases, including cancer. As researchers continue to investigate the interactions within the bone microenvironment, the development of 3D models of bone has become critical. RECENT FINDINGS: 3D models have been developed that replicate some properties of bone, but have not fully reproduced the complex structural and cellular composition of the bone microenvironment...
June 23, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28645662/development-of-a-3d-printable-maxillofacial-silicone-part-ii-optimization-of-moderator-and-thixotropic-agent
#5
Swati K Jindal, Martyn Sherriff, Mark G Waters, James E Smay, Trevor J Coward
STATEMENT OF PROBLEM: Conventionally, maxillofacial prostheses are fabricated by hand carving the missing anatomic defect in wax and creating a mold into which pigmented silicone elastomer is placed. Digital technologies such as computer numerical control milling and 3-dimensional (3D) printing have been used to prepare molds, directly or indirectly, into which a biocompatible pigmented silicone elastomer can be placed. PURPOSE: The purpose of this in vitro study was to develop a silicone elastomer that could be 3D printed directly without a mold to create facial or body prostheses by varying its composition...
June 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28644326/table-of-contents-for-online-material-in-the-june-2017-issue
#6
(no author information available yet)
Abstracts or summaries of online content are printed in every issue of Obstetrics & Gynecology in this section. The complete documents can be found on our website, www.greenjournal.org. The specific URL for the content in this section is printed at the end of the abstract or summary.
July 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28644037/lower-risk-cannabis-use-guidelines-a-comprehensive-update-of-evidence-and-recommendations
#7
Benedikt Fischer, Cayley Russell, Pamela Sabioni, Wim van den Brink, Bernard Le Foll, Wayne Hall, Jürgen Rehm, Robin Room
BACKGROUND: Cannabis use is common in North America, especially among young people, and is associated with a risk of various acute and chronic adverse health outcomes. Cannabis control regimes are evolving, for example toward a national legalization policy in Canada, with the aim to improve public health, and thus require evidence-based interventions. As cannabis-related health outcomes may be influenced by behaviors that are modifiable by the user, evidence-based Lower-Risk Cannabis Use Guidelines (LRCUG)-akin to similar guidelines in other health fields-offer a valuable, targeted prevention tool to improve public health outcomes...
June 23, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28643930/moving-towards-precision-orthodontics-an-evolving-paradigm-shift-in-the-planning-and-delivery-of-customized-orthodontic-therapy
#8
REVIEW
A H Jheon, S Oberoi, R C Solem, S Kapila
Advances in precision medicine portend similar progress in orthodontics and will be increasingly harnessed to achieve customized treatment approaches and enhance treatment efficiencies. Our goal is to provide a background on emerging advances in computer technologies and biomedicine and highlight their current and likely future applications to precision orthodontics. A review of orthodontically relevant technologies and advances in pertinent biological research was undertaken. Innovations in computer hardware and software, and 3D imaging technologies offer the ability for customized treatment and biomechanical planning that will be more fully realized within the next few decades...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643920/analysis-of-polycaprolactone-scaffolds-fabricated-via-precision-extrusion-deposition-for-control-of-craniofacial-tissue-mineralization
#9
C W Fedore, L Y L Tse, H K Nam, K L Barton, N E Hatch
OBJECTIVES: Recurrence of cranial bone fusion following surgical resection in craniosynostosis patients commonly requires additional surgical procedures. Surgical implantation of engineered 3D scaffolds that control tissue mineralization could be utilized to diminish recurrence of fusion. This study investigated the ability of composite scaffolds to control tissue mineralization when cultured in vitro. SETTING AND SAMPLE POPULATION: Precision-engineered scaffolds with calvarial cells were cultured in vitro at the Department of Orthodontics and Pediatric Dentistry, University of Michigan...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28643788/terahertz-saturable-absorbers-from-liquid-phase-exfoliation-of-graphite
#10
Vezio Bianchi, Tian Carey, Leonardo Viti, Lianhe Li, Edmund H Linfield, A Giles Davies, Alessandro Tredicucci, Duhee Yoon, Panagiotis G Karagiannidis, Lucia Lombardi, Flavia Tomarchio, Andrea C Ferrari, Felice Torrisi, Miriam S Vitiello
Saturable absorbers (SA) operating at terahertz (THz) frequencies can open new frontiers in the development of passively mode-locked THz micro-sources. Here we report the fabrication of THz SAs by transfer coating and inkjet printing single and few-layer graphene films prepared by liquid phase exfoliation of graphite. Open-aperture z-scan measurements with a 3.5 THz quantum cascade laser show a transparency modulation ∼80%, almost one order of magnitude larger than that reported to date at THz frequencies...
June 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28643401/novel-navigation-technique-for-the-endodontic-treatment-of-a-molar-with-pulp-canal-calcification-and-apical-pathology
#11
Xilin Shi, Shiyong Zhao, Weidong Wang, Qianzhou Jiang, Xuechao Yang
Apical periodontitis, the inflammation of periapical tissue, commonly requires root canal treatment to achieve apical healing. However, if it is accompanied by pulp canal calcification, the treatment becomes complicated, and locating the root canal can be challenging. This case report describes a novel approach for treating a molar with pulp canal calcification and apical pathology. Due to the risk of perforation during treatment, a digitally printed template was used to assist in accurately locating the root canal...
June 23, 2017: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/28642506/learning-from-good-practice-a-review-of-current-oral-health-promotion-materials-for-parents-of-young-children
#12
K A Gray-Burrows, J Owen, P F Day
Objectives To examine the quality of UK-based oral health promotion materials (OHPM) for parents of young children aged 0-5 years old.Data sources OHPM were obtained via email request to dental public health consultants and oral health promotion teams in the UK, structured web-based searches or collected from oral health events.Data selection Materials were included if: they were freely available; they were in English; they were parent facing and included oral health advice aimed at children aged 0-5-years-old...
June 23, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28642189/how-to-produce-pre-shaped-rigid-arch-bars-using-low-cost-3d-printing-technology-a-technical-note
#13
Charles Druelle, Sandrine Touzet-Roumazeille, Gwénaël Raoul, Joël Ferri, Romain Nicot
Numerous oral and maxillofacial procedures in dentate patients begin with the fixation of occlusions. While several techniques exist to perform mandibulo-maxillary fixation, many surgeons use arch bars in common practice. In cases of severe craniofacial traumas or jaw malformations, such as temporomandibular joint ankylosis, it may be impossible to use rigid arch bars. This technical note reports on the development of a technique to produce pre-shaped rigid arch bars using 3D printing technology. We take the case of a patient who presents Le Fort 1, Le Fort 2 and Le Fort 3 fractures as well as a central palatine disjunction, an angular mandibular fracture and bilateral zygomatic fractures...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28642185/place-of-3d-printing-in-facial-epithesis
#14
J T Bachelet, R Jouan, V Prade, C Francisco, P Jaby, A Gleizal
Facial rehabilitation from facial epithets is part of the facial surgeon's therapeutic arsenal. The primary technique requires taking imprints on the patient, which has major drawbacks such as discomfort and difficulties for precisely recording anatomical surfaces. In this paper, we present a technical improvement in the design of facial epithesis, introducing application of a 3D printing technology. By exploiting digital data in DICOM format, it is possible to produce a digital copy of an epithesis. Based on this copy a model can be printed and then used to support the final prosthesis...
June 19, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28642077/recovery-of-tin-from-metal-powders-of-waste-printed-circuit-boards
#15
Tianzu Yang, Pengchun Zhu, Weifeng Liu, Lin Chen, Duchao Zhang
To avoid the adverse effects of tin on the smelting process used to recover copper from metal powders of waste printed circuit boards, an effective process is proposed that selectively extracts tin and its associated metals. That impacts of alkaline pressure oxidation leaching parameters on metal conversion were systematically investigated. The results showed that Sn, Pb, Al and small amounts of Zn in the metal powders were leached out, leaving copper residue. By optimizing the conditions, leaching recovery of 98...
June 19, 2017: Waste Management
https://www.readbyqxmd.com/read/28642054/development-of-a-tailored-thyroid-gland-phantom-for-fine-needle-aspiration-cytology-by-three-dimensional-printing
#16
Masayuki Baba, Keitaro Matsumoto, Naoya Yamasaki, Hisakazu Shindo, Hiroshi Yano, Megumi Matsumoto, Ryota Otsubo, Murray John Lawn, Naoto Matsuo, Ikuo Yamamoto, Shigekazu Hidaka, Takeshi Nagayasu
BACKGROUND: Fine-needle aspiration cytology (FNAC) is a challenging and risky procedure for inexperienced clinicians to perform because of the proximity of the thyroid to the jugular veins, carotid arteries, and trachea. A phantom model for transfixion practice would help train clinicians in FNAC. OBJECTIVE: To fabricate a tailored phantom with consideration for authenticity of size, touch, feel, and ultrasonographic (US) characteristics. METHODS: A three-dimensional (3D) digital model of the human neck was reconstructed from computed tomography data of a subject...
June 19, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/28641327/correction-to-mathieu-d-marroni-a-kot-j-tenth-european-consensus-conference-on-hyperbaric-medicine-recommendations-for-accepted-and-non-accepted-clinical-indications-and-practice-of-hyperbaric-oxygen-treatment-diving-hyperb-med-2017-mar-47-1-24-32
#17
Daniel Mathieu, Alessandro Marroni, Jacek Kot
Consistent with the Committee on Publication Ethics guidelines, we the above authors are initiating a partial retraction and correction of our paper: Mathieu D, Marroni A, Kot J: Tenth European Consensus Conference on Hyperbaric Medicine: recommendations for accepted and non-accepted clinical indications and practice of hyperbaric oxygen treatment. Diving Hyperb Med. 2017 Mar;47(1):24-32. We wish to make the following statement: "Regardless of the strict process of editing and proof-reading of tables included in the above-mentioned publication, we received some comments from readers which showed us that imperfect layout of Table 1 and incorrect layout of Table 2 changed significantly the conclusions which could be drawn from them...
June 2017: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
https://www.readbyqxmd.com/read/28641227/presence-distribution-and-risk-assessment-of-polycyclic-aromatic-hydrocarbons-in-rice-wheat-continuous-cropping-soils-close-to-five-industrial-parks-of-suzhou-china
#18
Yong Li, Ling Long, Jing Ge, Li-Xuan Yang, Jin-Jin Cheng, Ling-Xiang Sun, Changying Lu, Xiang-Yang Yu
Polycyclic aromatic hydrocarbons (PAHs) accumulated in agricultural soils are likely to threaten human health and ecosystem though the food chain, therefore, it is worth to pay more attention to soil contamination by PAHs. In this study, the presence, distribution and risk assessment of 16 priority PAHs in rice-wheat continuous cropping soils close to industrial parks of Suzhou were firstly investigated. The concentrations of the total PAHs ranged from 125.99 ng/g to 796.65 ng/g with an average of 352.94 ng/g...
June 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28640889/contrasting-academic-and-lay-press-print-coverage-of-the-2013-2016-ebola-virus-disease-outbreak
#19
Mark D Kieh, Elim M Cho, Ian A Myles
Under a traditional paradigm, only those with the expected background knowledge consume academic literature. The lay press, as well as government and non-government agencies, play a complementary role of extracting findings of high interest or importance and translating them for general viewing. The need for accurate reporting and public advising is paramount when attempting to tackle epidemic outbreaks through behavior change. Yet, public trust in media outlets is at a historic low. The Crisis and Emergency Risk Communication (CERC) model for media reporting on public health emergencies was established in 2005 and has subsequently been used to analyze media reporting on outbreaks of influenza and measles as well as smoking habits and medication compliance...
2017: PloS One
https://www.readbyqxmd.com/read/28640689/deciphering-suicide-and-other-manners-of-death-associated-with-drug-intoxication-a-centers-for-disease-control-and-prevention-consultation-meeting-summary
#20
Deborah M Stone, Kristin M Holland, Brad Bartholow, Joseph Logan, Wendy LiKamWa McIntosh, Aimee Trudeau, Ian R H Rockett
Manner of death (MOD) classification (i.e., natural, accident, suicide, homicide, or undetermined cause) affects mortality surveillance and public health research, policy, and practice. Determination of MOD in deaths caused by drug intoxication is challenging, with marked variability across states. The Centers for Disease Control and Prevention hosted a multidisciplinary meeting to discuss drug intoxication deaths as they relate to suicide and other MOD. The meeting objectives were to identify individual-level, system-level, and place-based factors affecting MOD classification and identify potential solutions to classification barriers...
June 22, 2017: American Journal of Public Health
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