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https://www.readbyqxmd.com/read/28809683/low-rank-latent-pattern-approximation-with-applications-to-robust-image-classification
#1
Shuo Chen, Jian Yang, Lei Luo, Yang Wei, Kaihua Zhang, Ying Tai
This paper develops a novel method to address the structural noise in samples for image classification. Recently, regression related classification methods have shown promising results when facing the pixel-wise noise. However, they become weak in coping with the structural noise due to ignoring of relationships between pixels of noise image. Meanwhile, most of them need to implement the iterative process for computing representation coefficients, which leads to the high time consumption. To overcome these problems, we exploit a latent pattern model called Low-Rank Latent Pattern Approximation (LLPA) to reconstruct the test image having structural noise...
August 10, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28809674/faceness-net-face-detection-through-deep-facial-part-responses
#2
Shuo Yang, Ping Luo, Chen Change Loy, Xiaoou Tang
We propose a deep convolutional neural network (CNN) for face detection leveraging on facial attributes based supervision. We observe a phenomenon that part detectors emerge within CNN trained to classify attributes from uncropped face images, without any explicit part supervision. The observation motivates a new method for finding faces through scoring facial parts responses by their spatial structure and arrangement. The scoring mechanism is data-driven, and carefully formulated considering challenging cases where faces are only partially visible...
August 11, 2017: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28794007/the-future-of-resuscitative-endovascular-balloon-occlusion-in-combat-operations
#3
Shane A Smith, R Hilsden, A Beckett, V C McAlister
Damage control resuscitation and early thoracotomy have been used to increase survival after severe injury in combat. There has been a renewed interest in resuscitative endovascular balloon occlusion of the aorta (REBOA) in both civilian and military medical practices. REBOA may result in visceral and limb ischaemia that could be harmful if use of REBOA is premature or prolonged. The purpose of this paper is to align our experience of combat injuries with the known capability of REBOA to suggest an implementation strategy for the use of REBOA in combat care...
August 9, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28792895/cross-domain-shoe-retrieval-with-a-semantic-hierarchy-of-attribute-classification-network
#4
Huijing Zhan, Boxin Shi, Alex C Kot
Cross-domain shoe image retrieval is a challenging problem, because the query photo from the street domain (daily life scenario) and the reference photo in the online domain (online shop images) have significant visual differences due to the viewpoint and scale variation, self-occlusion, and cluttered background. This paper proposes the Semantic Hierarchy Of attributE Convolutional Neural Network (SHOE-CNN) with a three-level feature representation for discriminative shoe feature expression and efficient retrieval...
August 4, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28782099/knowledge-perceptions-and-clinical-application-of-the-shortened-dental-arch-concept-among-malaysian-government-dentists
#5
Siti Kamilah Mohd Kasim, Ishak Abdul Razak, Zamros Yuzadi Mohd Yusof
AIM: To assess the knowledge and perceptions of Malaysian government dentists regarding the shortened dental arch (SDA) concept and its application in clinical practice. BACKGROUND: The SDA concept refers to a specific type of dentition with intact anterior teeth and a reduction in posterior occlusal pairs. Dentists' knowledge and perceptions of the SDA concept can influence its application in clinical practice. METHODS: A self-administered questionnaire on the SDA concept was distributed to 326 government dentists in the states of Selangor and Kuala Lumpur, Malaysia...
August 7, 2017: International Dental Journal
https://www.readbyqxmd.com/read/28759299/international-practice-in-care-provision-for-post-stroke-visual-impairment
#6
Fiona J Rowe
PURPOSE: This study sought to explore the practice of orthoptists internationally in care provision for poststroke visual impairment. METHODS: Survey questions were developed and piloted with clinicians, academics, and users. Questions addressed types of visual problems, how these were identified, treated, and followed up, care pathways in use, links with other professions, and referral options. The survey was approved by the institutional ethical committee. The survey was accessed via a web link that was circulated through the International Orthoptic Association member professional organisations to orthoptists...
July 31, 2017: Strabismus
https://www.readbyqxmd.com/read/28751849/anmco-aiac-sici-gise-sic-sicch-consensus-document-percutaneous-occlusion-of-the-left-atrial-appendage-in-non-valvular-atrial-fibrillation-patients-indications-patient-selection-staff-skills-organisation-and-training
#7
Gavino Casu, Michele Massimo Gulizia, Giulio Molon, Patrizio Mazzone, Andrea Audo, Giancarlo Casolo, Emilio Di Lorenzo, Michele Portoghese, Christian Pristipino, Renato Pietro Ricci, Sakis Themistoclakis, Luigi Padeletti, Claudio Tondo, Sergio Berti, Jacopo Andrea Oreglia, Gino Gerosa, Marco Zanobini, Gian Paolo Ussia, Giuseppe Musumeci, Francesco Romeo, Roberto Di Bartolomeo
Atrial fibrillation (AF) is the most common arrhythmia and its prevalence is increasing due to the progressive aging of the population. About 20% of strokes are attributable to AF and AF patients are at five-fold increased risk of stroke. The mainstay of treatment of AF is the prevention of thromboembolic complications with oral anticoagulation therapy. Drug treatment for many years has been based on the use of vitamin K antagonists, but recently newer and safer molecules have been introduced (dabigatran etexilate, rivaroxaban, apixaban, and edoxaban)...
May 2017: European Heart Journal Supplements: Journal of the European Society of Cardiology
https://www.readbyqxmd.com/read/28743191/successful-utilization-of-an-electronic-pain-diary-in-a-multinational-phase-3-interventional-study-of-pediatric-sickle-cell-anemia
#8
Lori E Heath, Matthew M Heeney, Carolyn C Hoppe, Samuel Adjei, Tsiri Agbenyega, Mohamed Badr, Nicoletta Masera, Chunmei Zhou, Patricia B Brown, Joseph A Jakubowski, Carlton Dampier
BACKGROUND/AIMS: Patients with sickle cell anemia can experience recurrent pain episodes, which affect quality of life. The reported prevalence of pain is higher in studies using patient diaries than in healthcare facility utilization data. Determining Effects of Platelet Inhibition on Vaso-Occlusive Events was a multinational study that assessed the efficacy and safety of prasugrel in reducing the rate of vaso-occlusive events in children with sickle cell anemia (NCT01794000) and included an electronic patient-reported outcome diary to record pain occurrence...
July 1, 2017: Clinical Trials: Journal of the Society for Clinical Trials
https://www.readbyqxmd.com/read/28738106/predictors-of-clinically-significant-outcome-for-adolescents-with-temporomandibular-disorders
#9
Kerstin Wahlund, Bo Larsson
AIMS: To evaluate and identify baseline characteristics of the adolescent patients included in two previous randomized controlled trials (RCTs) that may predict a clinically significant outcome after treatment of temporomandibular disorders (TMD) with an occlusal appliance (OA) or relaxation training (RT) in a clinical sample of adolescents. METHODS: This study combined two patient samples from the earlier RCTs for a total of 167 adolescents with frequent TMD pain (once a week or more often), diagnosed according to the Research Diagnostic Criteria for TMD...
July 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28732777/how-useful-is-3d-printing-in-maxillofacial-surgery
#10
A Louvrier, P Marty, A Barrabé, E Euvrard, B Chatelain, E Weber, C Meyer
INTRODUCTION: 3D printing seems to have more and more applications in maxillofacial surgery (MFS), particularly since the release on the market of general use 3D printers several years ago. The aim of our study was to answer 4 questions: 1. Who uses 3D printing in MFS and is it routine or not? 2. What are the main clinical indications for 3D printing in MFS and what are the kinds of objects that are used? 3. Are these objects printed by an official medical device (MD) manufacturer or made directly within the department or the lab? 4...
July 18, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28730949/eric-acute-stroke-recanalization-a-study-using-predictive-analytics-to-assess-a-new-device-for-mechanical-thrombectomy
#11
Susanne Siemonsen, Nils D Forkert, Martina Bernhardt, Götz Thomalla, Martin Bendszus, Jens Fiehler
Aim and hypothesis Using a new study design, we investigate whether next-generation mechanical thrombectomy devices improve clinical outcomes in ischemic stroke patients. We hypothesize that this new methodology is superior to intravenous tissue plasminogen activator therapy alone. Methods and design ERic Acute StrokE Recanalization is an investigator-initiated prospective single-arm, multicenter, controlled, open label study to compare the safety and effectiveness of a new recanalization device and distal access catheter in acute ischemic stroke patients with symptoms attributable to acute ischemic stroke and vessel occlusion of the internal cerebral artery or middle cerebral artery...
August 2017: International Journal of Stroke: Official Journal of the International Stroke Society
https://www.readbyqxmd.com/read/28715442/combining-random-forest-with-multi-block-local-binary-pattern-feature-selection-for-multiclass-head-pose-estimation
#12
Min-Joo Kang, Jung-Kyung Lee, Je-Won Kang
A new head pose estimation technique based on Random Forest (RF) and texture features for facial image analysis using a monocular camera is proposed in this paper, especially about how to efficiently combine the random forest and the features. In the proposed technique a randomized tree with useful attributes is trained to improve estimation accuracy and tolerance of occlusions and illumination. Specifically, a number of features including Multi-scale Block Local Block Pattern (MB-LBP) are extracted from an image, and random features such as the MB-LBP scale parameters, a block coordinate, and a layer of an image pyramid in the feature pool are used for training the tree...
2017: PloS One
https://www.readbyqxmd.com/read/28685617/aerobic-exercise-prevents-rarefaction-of-pial-collaterals-and-increased-stroke-severity-that-occur-with-aging
#13
Wojciech Rzechorzek, Hua Zhang, Brian K Buckley, Kunjie Hua, Daniel Pomp, James E Faber
Variation in extent of the brain's collateral circulation is an important determinant of variation in the severity of stroke and efficacy of revascularization therapies. However, the number and diameter of pial collateral "arterioles" decrease with aging in associated with reduced eNOS and increased oxidative stress. We tested whether exercise reduces this aging-induced rarefaction. Twelve-month-old mice were randomized to sedentary or voluntary wheel-running. At 26 months' age, permanent MCA occlusion was followed 72 h later by determination of infarct volume and vascular casting after maximal dilation...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28651809/interventional-cardiology-what-s-new
#14
REVIEW
Brian A Scansen
Interventional cardiology in veterinary medicine continues to expand beyond the standard 3 procedures of patent ductus arteriosus occlusion, balloon pulmonary valvuloplasty, and transvenous pacing. Opportunities for fellowship training; advances in equipment, including high-resolution digital fluoroscopy, real-time 3-dimensional transesophageal echocardiography, fusion imaging, and rotational angiography; ultrasound-guided access and vascular closure devices; and refinement of techniques, including cutting and high-pressure ballooning, intracardiac and intravascular stent implantation, septal defect occlusion, transcatheter valve implantation, and hybrid approaches, are likely to transform the field over the next decade...
June 23, 2017: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/28628603/field-and-en-route-resuscitative-endovascular-occlusion-of-the-aorta-a-feasible-military-reality
#15
Viktor A Reva, Tal M Hörer, Andrey I Makhnovskiy, Mikhail V Sokhranov, Igor M Samokhvalov, Joseph J DuBose
BACKGROUND: Severe noncompressible torso hemorrhage remains a leading cause of potentially preventable death in modern military conflicts. Resuscitative endovascular occlusion of the aorta (REBOA) has demonstrated potential as an effective adjunct to the treatment of noncompressible torso hemorrhage in the civilian early hospital and even prehospital settings-but the application of this technology for military prehospital use has not been well described. We aimed to assess the feasibility of both field and en route prehospital REBOA in the military exercise setting, simulating a modern armed conflict...
July 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28623378/carotid-stenting-in-neuroradiology-a%C3%A2-short-journey-from-the-past-to-current-debates
#16
REVIEW
Joachim Berkefeld, Marlies Wagner, Richard du Mesnil
After a period of stagnation due to negative results of randomized trials for patients with symptomatic stenosis, the relevance of carotid artery stenting (CAS) is increasing again. CAS has become an important and evidence-based part of interventional stroke treatment. Our ability to manage acute recanalization of carotid occlusions and other niche indications properly led some skeptical neurologists to trust in carotid intervention for elective cases as well. The evolution of CAS from initial euphoria to more realistic views under consideration of trial results and guidelines is reviewed...
June 16, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/28599036/the-role-i-resuscitation-team-and-resuscitative-endovascular-balloon-occlusion-of-the-aorta
#17
Andrew D Fisher, William A Teeter, Christopher B Cordova, Megan L Brenner, Michael P Szczepanski, Ethan A Miles, Joseph M Galante, Joseph J DuBose, Todd E Rasmussen
The medical advancements made during the wars in Iraq and Afghanistan have resulted in an unprecedented survival rate, yet there is still a significant number of deaths that were potentially survivable. Additionally, the ability to deliver casualties to definitive surgical care within the "golden hour" is diminishing in many areas of conflict. Resuscitative endovascular balloon occlusion of the aorta (REBOA) has been implemented successfully in the hospital setting. REBOA may be a possible adjunct for the Role I and point-of-injury (POI) care to provide temporary control of noncompressible torso hemorrhage (NCTH) and junctional hemorrhage...
2017: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
https://www.readbyqxmd.com/read/28595879/predictors-of-successful-hybrid-approach-chronic-total-coronary-artery-occlusion%C3%A2-stenting-an-improved-model-with-novel-correlates
#18
Stephen G Ellis, M Nicholas Burke, M Bilal Murad, John J Graham, Ramy Badawi, Catelin Toma, Henry Meltser, Ravi Nair, Chris Buller, Patrick L Whitlow
OBJECTIVES: The aim of this study was to develop a hybrid approach-specific model to predict chronic total coronary artery occlusion (CTO) percutaneous coronary intervention success, useful for experienced but not ultra-high-volume operators. BACKGROUND: CTO percutaneous coronary intervention success rates vary widely and have improved with the "hybrid approach," but current predictive models for success have major limitations. METHODS: Data were obtained from consecutively attempted patients from 7 clinical sites (9 operators, mean annual CTO volume 61 ± 17 cases)...
June 12, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28576436/cta-in-acute-stroke-short-intensive-training-intervention-is-highly-effective-in-improving-radiologists-performance
#19
E A Cora, G A Ford, D Flynn, P Gonsalves, P White
AIM: To determine whether focussed radiology training in reporting stroke computed tomography angiography (CTA) improved diagnostic performance of general radiology specialty trainees staffing regional on call rotas. MATERIALS AND METHODS: A validated case archive (VCA) consisting of 50 hyperacute stroke CTA cases was developed for a full day course on CTA interpretation. Training days were organised ensuring all local trainees had a chance to attend. The rate of major and minor amendments by neuroradiology consultants were reviewed in 252 on-call radiology trainee reports...
May 30, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28560568/outcome-of-carotid-artery-stenting-in-the-hands-of-vascular-surgeons
#20
Carola Marie Wieker, S Demirel, N Attigah, M Hakimi, U Hinz, D Böckler
OBJECTIVES: To analyze the procedural and clinical outcomes of carotid artery stenting (CAS) in the hands of endovascular trained vascular surgeons. METHODS: Between April 2008 to May 2013, 1197 patients were treated for extracranial internal carotid artery (ICA) stenosis. The proportion of endovascular treated patients was 5.0% (CAS n = 60 vs. carotid endarterectomy (CEA) n = 1137). All patients in the CAS group (44 males, median age 70 years) were treated by two senior vascular surgeons experienced in endovascular methods...
August 2017: Langenbeck's Archives of Surgery
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