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Gaby Aphram, Laurent De Kerchove, Stefano Mastrobuoni, Emiliano Navarra, Silvia Solari, Saadallah Tamer, Jerome Baert, Alain Poncelet, Jean Rubay, Parla Astarci, Philippe Noirhomme, Gebrine El Khoury
OBJECTIVES: Mitral valve (MV) repair is the gold standard for treatment of degenerative mitral regurgitation. A variety of surgical techniques allow surgeons to achieve a high rate of MV repair even with MV diseases of other aetiologies. However, a certain number of repairs fail over time. The aim of this study was to review our single-centre experience of MV re-repair and analyse the mode of repair failure, re-repair safety and efficiency in relation to the initial aetiology. METHODS: Between 1997 and 2015, 91 patients underwent redo MV re-repair...
March 14, 2018: European Journal of Cardio-thoracic Surgery
Laura Miller, Gerardo J Pacheco, Jud C Janak, Rose C Grimm, Nicole A Dierschke, Janice Baker, Jean A Orman
Background: Military working dogs (MWDs) are a major asset in the theater of operations. Their unique abilities make them ideal for tasks such as tracking, patrol, and scent detection. MWDs deployed to a war zone are exposed to harsh environments and battlefield dangers that increase their risk of disease, injuries, and death. Although canines have been used extensively in Operation Iraqi Freedom (OIF) and Operation Enduring Freedom (OEF), no published studies have reported detailed causes of death among MWDs deployed to these conflicts...
March 14, 2018: Military Medicine
Bicheng Luo, Feng Xu, Christian Richardt, Jun-Hai Yong
We propose a novel 360° scene representation for converting real scenes into stereoscopic 3D virtual reality content with head-motion parallax. Our image-based scene representation enables efficient synthesis of novel views with six degrees-of-freedom (6-DoF) by fusing motion fields at two scales: (1) disparity motion fields carry implicit depth information and are robustly estimated from multiple laterally displaced auxiliary viewpoints, and (2) pairwise motion fields enable real-time flow-based blending, which improves the visual fidelity of results by minimizing ghosting and view transition artifacts...
April 2018: IEEE Transactions on Visualization and Computer Graphics
Ivan Vujaklija, Vahid Shalchyan, Ernest N Kamavuako, Ning Jiang, Hamid R Marateb, Dario Farina
BACKGROUND: In this paper, we propose a nonlinear minimally supervised method based on autoencoding (AEN) of EMG for myocontrol. The proposed method was tested against the state-of-the-art (SOA) control scheme using a Fitts' law approach. METHODS: Seven able-bodied subjects performed a series of target acquisition myoelectric control tasks using the AEN and SOA algorithms for controlling two degrees-of-freedom (radial/ulnar deviation and flexion/extension of the wrist), and their online performance was characterized by six metrics...
March 13, 2018: Journal of Neuroengineering and Rehabilitation
David R Dobies, Kimberly R Barber
Evidence-based medicine (EBM) provides clinicians with beneficial information. Nonetheless, study findings are often arbitrary, speculative or provisional. The current state of misleading evidence exists in all applications, including those for guideline recommendations. We conductedan appraisal of the American College of Cardiologyand European Society of Cardiology Guidelines for revascularisation of complex coronary anatomy to determine the veracity of the evidence that recommendations were based on. Study-specific critical appraisals were conducted by the authors on the 5-year Synergy between percutaneous coronary intervention with Taxus and cardiac surgery (SYNTAX) and future revascularisation evaluation in patients with diabetes mellitus: optimal management of multivessel disease (FREEDOM) Trials...
2018: Open Heart
Ritambhara Mehta, Anil Shah, G K Vankar, Ajay Chauhan, Ravindra Bakre
Through the behavioral descriptions in age-old texts it is obvious that Mental Health problems exist since the existence of Homo Sapiens and humanity, with ever changing norms, contexts, definitions and hence their management. Gujarat state of India is one of the oldest land plateaus existing. It has been inhabited, ruled and governed by many different people, races, kings; and invaded through its longest sea-coast by Dutch, Portuguese, British. Even after freedom of India in 1947, Gujarat emerged as a separate state in 1960 only...
February 2018: Indian Journal of Psychiatry
Jose Luis Vilchez
Cognition is an efficient but limited system that deals with mundane tasks. Daily life demands the system to save energy in order to be able to solve other more relevant tasks. Reasoning out every single problem would immeasurably increase our mental load and fatigue. Our minds avoid this waste of resources by taking shortcuts when reasoning. Outputs from previous episodes of reasoning turn into pieces of implicit information. These outputs go on to constitute the meanings that we give to things or circumstances, which in turn become the general framework where other reasonings occur...
March 10, 2018: Journal of Religion and Health
Wei Yang, Dapeng Yang, Yu Liu, Hong Liu
For describing the state of the wrist, either the force or movement of wrist can be measured as the training target in the simultaneous electromyography control. However, the relationship between the force and movement is so complex that only the force or movement is not precise enough to describe its actual situations. In this paper, we propose a novel platform that can acquire three degrees of freedom (DOF) wrist motion/force synchronously with multi-channel electromyography signals in a hemi-constraint way...
March 5, 2018: Medical & Biological Engineering & Computing
Zengkai Shao, Jiangbo Zhu, Yujie Chen, Yanfeng Zhang, Siyuan Yu
The investigations on optical angular momenta and their interactions have broadened our knowledge of light's behavior at sub-wavelength scales. Recent studies further unveil the extraordinary characteristics of transverse spin angular momentum in confined light fields and orbital angular momentum in optical vortices. Here we demonstrate a direct interaction between these two intrinsic quantities of light. By engineering the transverse spin in the evanescent wave of a whispering-gallery-mode-based optical vortex emitter, a spin-orbit interaction is observed in generated vortex beams...
March 2, 2018: Nature Communications
Jordan Deliversky, Mariela Deliverska
Ethical and legal considerations with regards to biometric data usage are directly related to the right to protection of personal data, which is part of the rights protected under the European Convention of human rights. Specific protection is required to the process and use of sensitive data which reveals certain personal characteristic and is related to the health status of individuals. Biometric data and information on individual upon which people could be identified based on specifics and distinguishing signs...
2018: Frontiers in Public Health
Guglielmo Stefanelli, Fabrizio Pirro, Alina Olaru, Giuseppe Danniballe, Clorinda Labia, Luca Weltert
OBJECTIVES: Information on the long-term safety, efficacy and durability of third-generation stentless aortic valves is lacking. METHODS: In this single-centre, single-surgeon retrospective observational study, between 2003 and 2015, consecutive, non-selected aortic valve replacement (AVR) patients were implanted with the LivaNova-Sorin Pericarbon Freedom™, a third-generation stentless aortic xenograft. Changes in clinical and echocardiographic parameters were examined, as were mortality, structural valve deterioration and reoperation, according to age at 5, 10 and 14 years...
February 21, 2018: Interactive Cardiovascular and Thoracic Surgery
Yanna Li, Manuel Gessner, Weidong Li, Augusto Smerzi
The controlled generation and identification of quantum correlations, usually encoded in either qubits or continuous degrees of freedom, builds the foundation of quantum information science. Recently, more sophisticated approaches, involving a combination of two distinct degrees of freedom, have been proposed to improve on the traditional strategies. Hyperentanglement describes simultaneous entanglement in more than one distinct degree of freedom, whereas hybrid entanglement refers to entanglement shared between a discrete and a continuous degree of freedom...
February 2, 2018: Physical Review Letters
Jean-Philippe W MacLean, John M Donohue, Kevin J Resch
Energy-time entangled photons are critical in many quantum optical phenomena and have emerged as important elements in quantum information protocols. Entanglement in this degree of freedom often manifests itself on ultrafast time scales, making it very difficult to detect, whether one employs direct or interferometric techniques, as photon-counting detectors have insufficient time resolution. Here, we implement ultrafast photon counters based on nonlinear interactions and strong femtosecond laser pulses to probe energy-time entanglement in this important regime...
February 2, 2018: Physical Review Letters
Agathe Berly, Cécile Manaouil
Any doctor may be required to take care of patients with psychiatric disorders and be confronted with the necessity of imposing hospitalization in a psychiatric facility. In view of the increase in hands raised by the Judge of Freedoms and Detention, it is important to adopt a rigorous approach in the drafting of certificates for psychiatric care without consent. We will remember: the importance of conscientious fulfilment of the first certificates; the reassessment of the patient within 24hours, by a psychiatrist; a review by the judge of freedoms and detention; the information given to the patient...
February 22, 2018: La Presse Médicale
Burak Yilmaz, Ediz Kale, William M Johnston
STATEMENT OF PROBLEM: Computer-aided design and computer-aided manufacturing (CAD-CAM) high-density polymers (HDPs) have recently been marketed for the fabrication of long-term interim implant-supported fixed prostheses. However, information regarding the precision of fit of CAD-CAM HDP implant-supported complete-arch screw-retained prostheses is scarce. PURPOSE: The purpose of this in vitro study was to evaluate the marginal discrepancy of CAD-CAM HDP complete-arch implant-supported screw-retained fixed prosthesis frameworks and compare them with conventional titanium (Ti) and zirconia (Zir) frameworks...
February 21, 2018: Journal of Prosthetic Dentistry
Tong Liu, Bao-Qing Guo, Chang-Shui Yu, Wei-Ning Zhang
In a recent remarkable experiment [Sci. Adv. 2, e1501531 (2016)], a 3-qubit quantum Fredkin (i.e., controlled-SWAP) gate was demonstrated by using linear optics. Here we propose a simple experimental scheme by utilizing the dispersive interaction in superconducting quantum circuit to implement a hybrid Fredkin gate with a superconducting flux qubit as the control qubit and two separated quantum memories as the target qudits. The quantum memories considered here are prepared by the superconducting coplanar waveguide resonators or nitrogen-vacancy center ensembles...
February 19, 2018: Optics Express
Yuan Yuan, Zhibo Hou, Yuan-Yuan Zhao, Han-Sen Zhong, Guo-Yong Xiang, Chuan-Feng Li, Guang-Can Guo
Wave-particle duality is a typical example of Bohr's complementarity principle that plays a significant role in quantum mechanics. Previous studies used the visibility of an interference pattern to quantify the wave property and used path information to quantify the particle property. However, coherence is the core and basis of the interference phenomenon. If we could use coherence to characterize the wave property, the understanding of wave-particle duality would be strengthened. A recent theoretical work [ Phys...
February 19, 2018: Optics Express
Jung-Ha Kim, Doan T Nguyen, Jeremy T Booth, Chen-Yu Huang, Todsaporn Fuangrod, Per Poulsen, Ricky O'Brien, Vincent Caillet, Thomas Eade, Andrew Kneebone, Paul Keall
BACKGROUND AND PURPOSE: To perform a quantitative analysis of the accuracy and precision of Kilovoltage Intrafraction Monitoring (KIM) six degree-of-freedom (6DoF) prostate motion measurements during treatments. MATERIAL AND METHODS: Real-time 6DoF prostate motion was acquired using KIM for 14 prostate cancer patients (377 fractions). KIM outputs the 6DoF prostate motion, combining 3D translation and 3D rotational motion information relative to its planning position...
February 19, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Sharynne McLeod
The right to communicate includes the right to "freedom of opinion and expression" and rights and freedoms "without distinction of … language". The 70th anniversary of the Universal Declaration of Human Rights is a time to celebrate and reflect on communication as a human right, particularly with respect to Article 19 and its relationship to national and international conventions, declarations, policies and practices. This review profiles articles from the special issue of International Journal of Speech-Language Pathology (volume 20, issue 1) addressing communication rights from four perspectives: (1) communication rights of all people; (2) communication rights of people with communication disabilities; (3) communication rights of children and (4) communication rights relating to language...
February 2018: International Journal of Speech-language Pathology
Francesca Bisulli, Veronica Menghi, Luca Vignatelli, Laura Licchetta, Corrado Zenesini, Carlotta Stipa, Francesca Morigi, Matteo Gizzi, Patrizia Avoni, Federica Provini, Barbara Mostacci, Giuseppe d'Orsi, Tommaso Pippucci, Lorenzo Muccioli, Paolo Tinuper
OBJECTIVE: To assess the long-term outcome of epilepsy with auditory features (EAF) and to identify the clinical predictors for prognosis. METHODS: The study involved consecutive EAF patients with a follow-up of ≥5 years. Terminal remission (TR) was defined as a period of ≥5 consecutive years of seizure freedom at the last follow-up. We used Kaplan-Meier estimate to calculate the cumulative time-dependent probability of conversion to TR. Log-rank test and multivariate Cox regression analyses were performed to study the association between time to TR and prognostic determinants...
February 21, 2018: Epilepsia
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