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https://www.readbyqxmd.com/read/28437670/a-case-report-of-invasive-candidiasis-and-fungal-osteomyelitis-mimicking-oropharyngeal-carcinoma-recurrence-in-an-immunocompetent-patient-following-transoral-robotic-surgery
#1
Hong Yu Tan, Jenny Guek-Hong Low, Elizabeth Roche, Hiang Khoon Tan
INTRODUCTION: Transoral robotic surgery(TORS) for the excision of oropharyngeal tumour is increasingly considered for its lower rates of postoperative complications and better functional outcomes. However, we report a case of invasive candidiasis in an immunocompetent patient with previous radiation therapy years ago who underwent TORS recently. CASE PRESENTATION: A 55year old Chinese female with previous radiation therapy for nasopharyngeal carcinoma diagnosed in 1986 underwent wide excision of a newly diagnosed oropharyngeal carcinoma with TORS...
April 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28437399/high-robot
#2
Erin Biba
No abstract text is available yet for this article.
April 18, 2017: Scientific American
https://www.readbyqxmd.com/read/28437272/review-of-effectiveness-of-an-integrated-video-recording-and-replaying-system-in-robotic-surgical-training-by-yang-k-perez-m-hubert-n-hossu-g-perrenot-c-hubert-j-in-ann-surg-265-521-526-2017
#3
Vishwanath Chegireddy, Aurelia T Perdanasari, Larry H Hollier
No abstract text is available yet for this article.
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28437021/optimal-outcome-achievement-in-partial-nephrectomy-for-t1-renal-masses-a-contemporary-analysis-of-open-and-robotic-cases
#4
Matthew J Maurice, Daniel Ramirez, Önder Kara, Ercan Malkoç, Ryan J Nelson, Khaled Fareed, Robert J Stein, Amr F Fergany, Jihad H Kaouk
OBJECTIVES: To compare optimal outcome achievement between open and robotic partial nephrectomy. PATIENTS AND METHODS: Using our institutional partial nephrectomy database, we reviewed 605 cases performed for unifocal clinical T1 renal masses in non-solitary kidneys from 2011-2015. Tetrafecta, which was defined as negative surgical margins, freedom from perioperative complications, ≥80% renal functional preservation, and no chronic kidney disease upstaging, was chosen as the composite optimal outcome...
April 24, 2017: BJU International
https://www.readbyqxmd.com/read/28436902/learning-to-predict-consequences-as-a-method-of-knowledge-transfer-in-reinforcement-learning
#5
Eric Chalmers, Edgar Bermudez Contreras, Brandon Robertson, Artur Luczak, Aaron Gruber
The reinforcement learning (RL) paradigm allows agents to solve tasks through trial-and-error learning. To be capable of efficient, long-term learning, RL agents should be able to apply knowledge gained in the past to new tasks they may encounter in the future. The ability to predict actions' consequences may facilitate such knowledge transfer. We consider here domains where an RL agent has access to two kinds of information: agent-centric information with constant semantics across tasks, and environment-centric information, which is necessary to solve the task, but with semantics that differ between tasks...
April 17, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28436890/in-situ-force-augmentation-improves-surface-contact-and-force-control
#6
Randy Lee, Roberta Klatzky, George Stetten
Surgeons routinely perform surgery with noisy, sub-threshold, or obscured visual and haptic feedback, either due to the necessary surgical approach, or because the systems on which they are operating are exceedingly delicate. Technological solutions incorporating haptic feedback augmentation have been proposed to address these difficulties, but the consequences for motor control have not been directly investigated and quantified. In this paper, we present two isometric force generation tasks performed with a hand-held robotic tool that provides in-situ augmentation of force sensation...
April 24, 2017: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28436880/a-human-robot-co-manipulation-approach-based-on-human-sensorimotor-information
#7
Luka Peternel, Nikos Tsagarakis, Arash Ajoudani
This paper aims to improve the interaction and coordination between the human and the robot in cooperative execution of complex, powerful and dynamic tasks. We propose a novel approach that integrates online information about the human motor function and manipulability properties into the hybrid controller of the assistive robot. Through this human-inthe- loop framework, the robot can adapt to the human motor behaviour and provide the appropriate assistive response in different phases of the cooperative task...
April 17, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28436503/stimuli-responsive-hydrogel-microfibers-with-controlled-anisotropic-shrinkage-and-cross-sectional-geometries
#8
Shunsuke Nakajima, Ryuji Kawano, Hiroaki Onoe
Stimuli-responsive microfibers are fabricated by extruding mixed solutions of poly(N-isopropylacrylamide-co-acrylic acid) (pNIPAM-AAc) and sodium alginate (Na-alginate) using a microfluidic spinning system. The fabricated microfibers shrink and swell with temperature and/or pH. By controlling the extruded laminar flow, microfibers capable of anisotropic shrinkage are fabricated. Cross-sectional microscale geometries of microfibers, including double layering and hollowness, are successfully controlled by patterning the laminar flow during microfiber formation, resulting in hydrogels capable of folding/unfolding motions and fluid pumping...
April 24, 2017: Soft Matter
https://www.readbyqxmd.com/read/28436490/solitonic-josephson-based-meminductive-systems
#9
Claudio Guarcello, Paolo Solinas, Massimiliano Di Ventra, Francesco Giazotto
Memristors, memcapacitors, and meminductors represent an innovative generation of circuit elements whose properties depend on the state and history of the system. The hysteretic behavior of one of their constituent variables, is their distinctive fingerprint. This feature endows them with the ability to store and process information on the same physical location, a property that is expected to benefit many applications ranging from unconventional computing to adaptive electronics to robotics. Therefore, it is important to find appropriate memory elements that combine a wide range of memory states, long memory retention times, and protection against unavoidable noise...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28436398/effects-of-dose-and-duration-of-robot-assisted-gait-training-on-walking-ability-of-children-affected-by-cerebral-palsy
#10
Elisabetta Peri, Anna Carla Turconi, Emilia Biffi, Cristina Maghini, Daniele Panzeri, Roberta Morganti, Alessandra Pedrocchi, Chiara Gagliardi
BACKGROUND: Robot-Assisted Gait Training (RAGT) is a widespread approach for locomotion rehabilitation but information about intervention frequency and duration is still lacking. OBJECTIVE: To evaluate the effect of frequency and duration of a RAGT on motor outcome of children affected by Cerebral Palsy (CP). METHODS: Forty-four CP children (age 4-17) underwent one among four different intensive trainings with equal dose of intervention, combining Task-Oriented Physiotherapy (TOP) and RAGT: 40 sessions (4 sessions/week) over 10 weeks of sole TOP (group1) or RAGT (group2) or RAGT and TOP (2 + 2 sessions/week; group3); 40 sessions in shorter period (4 weeks) of RAGT and TOP (5 + 5 sessions/week; group4)...
April 7, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28436368/-pseudo-pseudoaneurysm-following-robotic-assisted-partial-nephrectomy
#11
Eric Schommer, Julio Gundian, David D Thiel
A 65-year-old female presented to clinic requesting follow up for a history of right robotic partial nephrectomy done at an outside institution 2 years prior. Initial pathology demonstrated a grade 2/4 3.4 cm clear cell renal cell carcinoma with negative margins. There was no tumor necrosis, sarcomatoid differentiation, or lymphovascular invasion. High quality follow up imaging initially revealed a pseudoaneurysm in the central portion of the right kidney. The patient was sent to interventional radiology for angioembolization...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28436361/robotic-repair-of-vesicovaginal-fistulas-using-fibrin-sealant
#12
G Luke Machen, Leah R Chiles, John Joyce, Kristofer R Wagner
INTRODUCTION: Although infrequent, when encountered vesicovaginal fistulas (VVF) are a difficult condition for both patients and physicians alike. After the first robotic repair was described in 2005, this has been an increasingly common treatment modality. At our institution between 2009 and 2014, eleven of these patients were evaluated and treated with robotic repair. However, fibrin sealant was used in place of the traditional tissue flap. Included are six patients who had previously undergone operative repair...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28436359/robotic-prostatectomy-versus-brachytherapy-for-the-treatment-of-low-risk-prostate-cancer
#13
Claudio Giberti, Fabrizio Gallo, Maurizio Schenone, Emilio Gastaldi, Pierluigi Cortese, Gaetano Ninotta, Davide Becco
INTRODUCTION: To compare oncological and functional results of robot-assisted radical prostatectomy (RARP) and brachytherapy (BT) with a single-center prospective randomized study. MATERIALS AND METHODS: From January 2012 to January 2014, 165 patients with low risk prostate cancer, prostate volume ≤ 50 g, normal urinary (IPSS ≤ 7 and mean flow rate ≥ 15 mL/sec) and erectile functions (IIEF-5 > 17) were enrolled and randomly assigned to the RARP or BT group...
April 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28436317/endoureteral-coil-embolization-of-an-ureteral-arterial-fistula
#14
Pavel Kibrik, Justin Eisenberg, Marc A Bjurlin, Natalie Marks, Anil Hingorani, Enrico Ascher
Background Ureteral arterial fistulas are rare but potentially life threatening. We present a female who developed a ureteral arterial fistula following a right robotic nephrectomy. After several endovascular interventions to control the bleeding had failed, we approached the fistula through the right ureteral stump with coil embolization. Methods Coil embolization of the right ureteral stump was performed. We utilized a 6Fr × 45 cm sheath inserted through one of the cystoscope channels to cannulate the right ureteral orifice...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28435879/fast-moving-soft-electronic-fish
#15
Tiefeng Li, Guorui Li, Yiming Liang, Tingyu Cheng, Jing Dai, Xuxu Yang, Bangyuan Liu, Zedong Zeng, Zhilong Huang, Yingwu Luo, Tao Xie, Wei Yang
Soft robots driven by stimuli-responsive materials have unique advantages over conventional rigid robots, especially in their high adaptability for field exploration and seamless interaction with humans. The grand challenge lies in achieving self-powered soft robots with high mobility, environmental tolerance, and long endurance. We are able to advance a soft electronic fish with a fully integrated onboard system for power and remote control. Without any motor, the fish is driven solely by a soft electroactive structure made of dielectric elastomer and ionically conductive hydrogel...
April 2017: Science Advances
https://www.readbyqxmd.com/read/28435743/effects-of-overground-locomotor-training-on-the-ventilatory-response-to-volitional-treadmill-walking-in-individuals-with-incomplete-spinal-cord-injury-a-pilot-study
#16
Gino S Panza, Andrew A Guccione, Lisa M Chin, Jared M Gollie, Jeffery E Herrick, John P Collins
INTRODUCTION: Although there has been substantial emphasis on the neuromuscular and cardiovascular adaptations following rehabilitation, pulmonary adaptations in individuals with incomplete SCI (iSCI) in response to locomotor training have been less frequently studied. In healthy individuals, effective transition from rest to work is accomplished by a hyperpneic response, which exhibits an exponential curve with three phases. However, the degree to which our current understanding of exercise hyperpnea can be applied to individuals with iSCI is unknown...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28435235/age-based-model-for-metacarpophalangeal-joint-proprioception-in-elderly
#17
Mike D Rinderknecht, Olivier Lambercy, Vanessa Raible, Joachim Liepert, Roger Gassert
Neurological injuries such as stroke can lead to proprioceptive impairment. For an informed diagnosis, prognosis, and treatment planning, it is essential to be able to distinguish between healthy performance and deficits following the neurological injury. Since there is some evidence that proprioception declines with age and stroke occurs predominantly in the elderly population, it is important to create a healthy reference model in this specific age group. However, most studies investigate age effects by comparing young and elderly subjects and do not provide a model within a target age range...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28434425/augmented-reality-in-neurosurgery-a-review-of-current-concepts-and-emerging-applications
#18
Daipayan Guha, Naif M Alotaibi, Nhu Nguyen, Shaurya Gupta, Christopher McFaul, Victor X D Yang
Augmented reality (AR) superimposes computer-generated virtual objects onto the user's view of the real world. Among medical disciplines, neurosurgery has long been at the forefront of image-guided surgery, and it continues to push the frontiers of AR technology in the operating room. In this systematic review, we explore the history of AR in neurosurgery and examine the literature on current neurosurgical applications of AR. Significant challenges to surgical AR exist, including compounded sources of registration error, impaired depth perception, visual and tactile temporal asynchrony, and operator inattentional blindness...
April 24, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28434057/predictive-control-of-intersegmental-tarsal-movements-in-an-insect
#19
Alicia Costalago-Meruelo, David M Simpson, Sandor M Veres, Philip L Newland
In many animals intersegmental reflexes are important for postural and movement control but are still poorly undesrtood. Mathematical methods can be used to model the responses to stimulation, and thus go beyond a simple description of responses to specific inputs. Here we analyse an intersegmental reflex of the foot (tarsus) of the locust hind leg, which raises the tarsus when the tibia is flexed and depresses it when the tibia is extended. A novel method is described to measure and quantify the intersegmental responses of the tarsus to a stimulus to the femoro-tibial chordotonal organ...
April 22, 2017: Journal of Computational Neuroscience
https://www.readbyqxmd.com/read/28433822/programming-experience-promotes-higher-stem-motivation-among-first-grade-girls
#20
Allison Master, Sapna Cheryan, Adriana Moscatelli, Andrew N Meltzoff
The gender gap in science, technology, engineering, and math (STEM) engagement is large and persistent. This gap is significantly larger in technological fields such as computer science and engineering than in math and science. Gender gaps begin early; young girls report less interest and self-efficacy in technology compared with boys in elementary school. In the current study (N=96), we assessed 6-year-old children's stereotypes about STEM fields and tested an intervention to develop girls' STEM motivation despite these stereotypes...
April 20, 2017: Journal of Experimental Child Psychology
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