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https://www.readbyqxmd.com/read/28646674/a-multimodal-spatiotemporal-cardiac-motion-atlas-from-mr-and-ultrasound-data
#1
Esther Puyol-Antón, Matthew Sinclair, Bernhard Gerber, Mihaela Silvia Amzulescu, Hélène Langet, Mathieu De Craene, Paul Aljabar, Paolo Piro, Andrew P King
Cardiac motion atlases provide a space of reference in which the motions of a cohort of subjects can be directly compared. Motion atlases can be used to learn descriptors that are linked to different pathologies and which can subsequently be used for diagnosis. To date, all such atlases have been formed and applied using data from the same modality. In this work we propose a framework to build a multimodal cardiac motion atlas from 3D magnetic resonance (MR) and 3D ultrasound (US) data. Such an atlas will benefit from the complementary motion features derived from the two modalities, and furthermore, it could be applied in clinics to detect cardiovascular disease using US data alone...
June 13, 2017: Medical Image Analysis
https://www.readbyqxmd.com/read/28646203/incoherent-mediator-for-quantum-state-transfer-in-the-ultrastrong-coupling-regime
#2
F A Cárdenas-López, F Albarrán-Arriagada, G Alvarado Barrios, J C Retamal, G Romero
We study quantum state transfer between two qubits coupled to a common quantum bus that is constituted by an ultrastrong coupled light-matter system. By tuning both qubit frequencies on resonance with a forbidden transition in the mediating system, we demonstrate a high-fidelity swap operation even though the quantum bus is thermally populated. We discuss a possible physical implementation in a realistic circuit QED scheme that leads to the multimode Dicke model. This proposal may have applications on hot quantum information processing within the context of ultrastrong coupling regime of light-matter interaction...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645698/radiological-studies-of-fetal-alcohol-spectrum-disorders-in-humans-and-animal-models-an-updated-comprehensive-review
#3
Van T Nguyen, Suyinn Chong, Quang M Tieng, Karine Mardon, Graham J Galloway, Nyoman D Kurniawan
Fetal Alcohol Spectrum Disorders encompass a wide range of birth defects in children born to mothers who consumed alcohol during pregnancy. Typical mental impairments in FASD include difficulties in life adaptation and learning and memory, deficits in attention, visuospatial skills, language and speech disabilities, mood disorders and motor disabilities. Multimodal imaging methods have enabled in vivo studies of the teratogenic effects of alcohol on the central nervous system, giving more insight into the FASD phenotype...
June 20, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28644979/intraoperative-fast-ripples-independently-predict-postsurgical-epilepsy-outcome-comparison-with-other-electrocorticographic-phenomena
#4
Shaun A Hussain, Gary W Mathern, Phoebe Hung, Julius Weng, Raman Sankar, Joyce Y Wu
In the surgical management of epilepsy, the resection of cortex exhibiting interictal fast ripples (250-500Hz) on electrocorticography has been linked to postoperative seizure-freedom. Although fast ripples appear to accurately identify the epileptogenic zone-the minimum tissue that must be removed at surgery to achieve seizure-freedom-it has not been established that fast ripples are a superior biomarker in comparison with multimodal presurgical neuroimaging and other electrocorticography abnormalities. Hence, in the prediction of postoperative seizure-freedom, we compared the value of fast ripples with other intraoperative electocorticography abnormalities including focal slowing, paroxysmal fast activity, intermittent spike discharges, continuous epileptiform discharges, focal attenuation, and intraoperative seizures, as well as complete resection of the lesion defined by MRI and other neuroimaging...
June 16, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28644815/landmark-image-retrieval-by-jointing-feature-refinement-and-multimodal-classifier-learning
#5
Xiaoming Zhang, Senzhang Wang, Zhoujun Li, Shuai Ma
Landmark retrieval is to return a set of images with their landmarks similar to those of the query images. Existing studies on landmark retrieval focus on exploiting the geometries of landmarks for visual similarity matches. However, the visual content of social images is of large diversity in many landmarks, and also some images share common patterns over different landmarks. On the other side, it has been observed that social images usually contain multimodal contents, i.e., visual content and text tags, and each landmark has the unique characteristic of both visual content and text content...
June 20, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28644814/learning-multimodal-parameters-a-bare-bones-niching-differential-evolution-approach
#6
Yue-Jiao Gong, Jun Zhang, Yicong Zhou
Most learning methods contain optimization as a substep, where the nondifferentiability and multimodality of objectives push forward the interplay of evolutionary optimization algorithms and machine learning models. The recently emerged evolutionary multimodal optimization (MMOP) technique enables the learning of diverse sets of effective parameters for the models simultaneously, providing new opportunities to the applications requiring both accuracy and diversity, such as ensemble, interactive, and interpretive learning...
June 20, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28644631/demonstration-of-monogamy-relations-for-einstein-podolsky-rosen-steering-in-gaussian-cluster-states
#7
Xiaowei Deng, Yu Xiang, Caixing Tian, Gerardo Adesso, Qiongyi He, Qihuang Gong, Xiaolong Su, Changde Xie, Kunchi Peng
Understanding how quantum resources can be quantified and distributed over many parties has profound applications in quantum communication. As one of the most intriguing features of quantum mechanics, Einstein-Podolsky-Rosen (EPR) steering is a useful resource for secure quantum networks. By reconstructing the covariance matrix of a continuous variable four-mode square Gaussian cluster state subject to asymmetric loss, we quantify the amount of bipartite steering with a variable number of modes per party, and verify recently introduced monogamy relations for Gaussian steerability, which establish quantitative constraints on the security of information shared among different parties...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644200/electrical-stimulations-of-the-human-insula-their-contribution-to-the-ictal-semiology-of-insular-seizures
#8
Laure Mazzola, François Mauguière, Jean Isnard
INTRODUCTION: Stereotactic stimulations of the insular cortex through intracranial electrodes aim at characterizing the semiology of insular seizures. These stimulations, carried out in the context of Stereo-Electro-Encephalography (SEEG) during presurgical monitoring of epilepsy, reproduce the ictal symptoms observed during the development of insular seizures. METHODS: The authors reviewed the results of insular stimulations performed in 222 patients admitted between 1997 and 2015 for presurgical SEEG exploration of atypical temporal or perisylvian epilepsy...
July 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28644192/vulvodynia-younger-age-and-combined-therapies-associate-with-significant-reduction-in-self-reported-pain
#9
Anu P Aalto, Silja Vuoristo, Heidi Tuomaala, Riikka J Niemi, Synnöve M Staff, Johanna U Mäenpää
OBJECTIVES: Eight percent of women have vulvodynia (VD), a chronic pain disorder with unknown etiology. The aim of our study was to assess the efficacy of given VD treatments measured by numerical rating scale (NRS) for pain and patients' quality of life. MATERIALS AND METHODS: Study material consisted of a retrospective VD patient cohort (N = 70). Data were collected by postal questionnaires and review of the medical records. RESULTS: We report here a statistically significant reduction in NRS only with combination of therapies (median NRS before treatments 8 vs median NRS 4 after treatments, p < ...
July 2017: Journal of Lower Genital Tract Disease
https://www.readbyqxmd.com/read/28644178/temporal-thinning-in-sickle-cell-retinopathy-is-associated-with-diminished-perfusion-on-octa-and-dense-scotoma-on-microperimetery
#10
Kumar Sambhav, Sandeep Grover, Kakarla V Chalam
PURPOSE: To establish correlation between the structural compromise (capillary loss and hypoperfusion on optical coherence tomography [optical coherence tomography angiography]) with perimacular functional impairment noted on microperimetry. METHODS: Retrospective case series. Clinical records and multimodal imaging findings of patients presenting with sickle cell disease were reviewed. RESULTS: Three eyes of three patients (two men) were included in the study with a visual acuity of 20/20 and no sickle cell retinopathy...
June 20, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28643945/athens-based-meeting-to-discuss-the-paediatric-virology-crossroad-in-october-2017
#11
Ioannis N Mammas, Demetrios A Spandidos
Viral infections are common diseases and they are well-described in the Ancient Greek Hippocratic Corpus (1), together with a limited spectrum of diagnostic and treatment options. However, over the past two decades, several exciting developments in the fields of clinical virology and molecular medicine have expanded our knowledge on the pathogenesis of viral infections in neonates and children (2,3). Since 2015, the workshop on paediatric virology has tried enthusiastically to explore these advances and to investigate recent challenges in the prevention strategies, molecular diagnostics, multimodality imaging and therapeutics of paediatric viral infections (2-5)...
June 23, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28643759/overall-treatment-duration-with-multimodality-treatment-approach-and-outcome-results-in-oral-cavity-carcinoma-a-study-from-an-institute-from-central-india
#12
Vandana Jain, Digpal Dharkar, Hamsa Nandini, Shailendra M Jain
OBJECTIVE OF THE STUDY: To see the different age groups, gender, sites, disease stage, treatment outcome of various oral cavity sites carcinoma by combined modalities and the overall treatment duration. MATERIALS AND METHODS: A total of 212 oral cavity carcinoma patients (169 males and 43 females) with complete records (from September 2009 to December 2012) were analyzed for age, sex, histopathology, associated medical illnesses, various subsites with disease stage, various treatment modalities with the duration and follow-up records for disease control as well as disease failure at local, nodal, local + nodal, and distant metastasis...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643749/treatment-of-high-risk-neuroblastoma-national-protocol-results-of-the-turkish-pediatric-oncology-group
#13
Serap Aksoylar, Ali Varan, Canan Vergin, Volkan Hazar, Ferhan Akici, Ayhan Dagdemir, Mustafa Buyukavci, Rejin Kebudi, Nilgun Kurucu, Betul Sevinir, Emel Unal, Sema Vural, Elif Guler, Hilmi Apak, Haldun Oniz, Ceyda Karadeniz, Cengiz Canpolat, Sema Anak, Inci Ilhan, Dilek Ince, Emre Cecen, Nur Olgun
BACKGROUND: The national protocol aimed to improve the outcome of the high risk neuroblastoma patients by high-dose chemotherapy and stem cell rescue with intensive multimodal therapy. MATERIALS AND METHODS: After the 6 induction chemotherapy cycles, patients without disease progression were nonrandomly (by physicians' and/or parent's choices) allocated into two treatment arms, which were designed to continue the conventional chemotherapy (CCT), or myeloablative therapy with autologous stem cell rescue (ASCR)...
April 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28643706/orbital-retinoblastoma-an-update
#14
REVIEW
Santosh G Honavar, Fairooz P Manjandavida, Vijay Anand P Reddy
Orbital extension is a major cause of death in children with retinoblastoma in the developing countries. Delayed detection and inappropriate management contribute to poor outcome. Conventional treatment including primary orbital exenteration or chemotherapy or radiotherapy alone result in mortality as high as 70%. The recent understanding on the role of sequential multimodal therapy with a combination of high-dose chemotherapy, followed by appropriate surgery, radiotherapy, and additional adjuvant chemotherapy has helped dramatically improve life salvage...
June 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28643494/identification-of-pathogenic-variants-in-the-chm-gene-in-two-korean-patients-with-choroideremia
#15
Kunho Bae, Ju Sun Song, Chung Lee, Nayoung K D Kim, Woong Yang Park, Byoung Joon Kim, Chang Seok Ki, Sang Jin Kim
Choroideremia is a rare X-linked disorder causing progressive chorioretinal atrophy. Affected patients develop night blindness with progressive peripheral vision loss and eventual blindness. Herein, we report two Korean families with choroideremia. Multimodal imaging studies showed that the probands had progressive loss of visual field with characteristic chorioretinal atrophy, while electroretinography demonstrated nearly extinguished cone and rod responses compatible with choroideremia. Sanger sequencing of all coding exons and flanking intronic regions of the CHM gene revealed a novel small deletion at a splice site (c...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28642025/total-laparoscopic-resection-surgery-for-a-cervical-carcinoma-that%C3%A2-recurred-in-the-pelvic-sidewall-after-radical-hysterectomy-and%C3%A2-adjuvant-concurrent-chemoradiotherapy
#16
Hiroyuki Kanao, Yoichi Aoki, Kazuyoshi Kato, Maki Matoda, Sanshiro Okamoto, Hidetaka Nomura, Kohei Omatsu, Kuniko Utsugi, Nobuhiro Takeshima
STUDY OBJECTIVE: To show total laparoscopic resection of a cervical carcinoma that recurred at the left pelvic sidewall after radical hysterectomy and concurrent chemoradiotherapy (CCRT). DESIGN: A step-by-step demonstration of the technique in a surgical video, including the strategy for achieving complete surgical resection with negative margins (R0 resection) (Canadian Task Force Classification III). SETTING: For high-risk cervical carcinoma, radical hysterectomy and adjuvant CCRT is the standard treatment, but even this multimodal therapy cannot prevent recurrence...
June 19, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28641499/a-comprehensive-model-for-heat-induced-radio-sensitization
#17
Sarah Catharina Brüningk, Jannat Ijaz, Ian Rivens, Simeon Nill, Gail Ter Haar, Uwe Oelfke
Combined radiotherapy (RT) and hyperthermia (HT) treatments may improve treatment outcome by heat induced radio-sensitization. We propose an empirical cell survival model (AlphaR model) to describe this multimodality therapy. The model is motivated by the observation that heat induced radio-sensitization may be explained by a reduction in the DNA damage repair capacity of heated cells. We assume that this repair is only possible up to a threshold level above which survival will decrease exponentially with dose...
June 23, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28641272/aggregation-analysis-for-competitive-multiagent-systems-with-saddle-points-via-switching-strategies
#18
Liying Zhu, Zhengrong Xiang
This paper addresses the aggregation issues of competitive multiagent systems (CMASs) consisting of competitive agents with multimodes and saddle points. In such CMASs, due to existing mutual competitions, every agent is equipped with finite multimodes, and every mode in any agent is described as a second-order linear time-invariant (LTI) control system. When the origin is the same saddle point of all modes of agents, to investigate aggregation of the CMASs with switching strategies, we first use switched LTI systems with saddle points to formulate such CMASs...
June 16, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28640782/perioperative-venous-thromboembolism-a-review
#19
Ronald J Gordon, Frederick W Lombard
Venous thromboembolism (VTE) is a significant problem in the perioperative period, increasing patient morbidity, mortality, and health care costs. It is also considered the most preventable of the major postoperative complications. Despite widespread adoption of prophylaxis guidelines, it appears that morbidity from the disease has not substantially changed within the past 2 decades. It is becoming clear that current prophylaxis efforts are not sufficient. Using more potent anticoagulants may decrease the incidence of VTE, but increase the risk for bleeding and infection...
June 20, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28640101/liposomal-bupivacaine-versus-traditional-bupivacaine-for-pain-control-after-total-hip-arthroplasty-a-meta-analysis
#20
Ting-Ting Ma, Yu-Hui Wang, Yun-Feng Jiang, Cong-Bin Peng, Chao Yan, Zi-Gui Liu, Wei-Xing Xu
BACKGROUND: In the past, the efficacy of local infiltration of liposomal bupivacaine for total hip arthroplasty (THA) patients was in debate. Therefore, this meta-analysis was conducted to determine whether local infiltration of liposomal bupivacaine provides better pain relief after THA. METHODS: We searched Web of Science, PubMed, Embase, and the Cochrane Library databases to the April 2017. Any studies comparing liposomal bupivacaine and traditional bupivacaine were included in our meta-analysis...
June 2017: Medicine (Baltimore)
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