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https://www.readbyqxmd.com/read/28241434/data-collection-and-analysis-using-wearable-sensors-for-monitoring-knee-range-of-motion-after-total-knee-arthroplasty
#1
Chih-Yen Chiang, Kun-Hui Chen, Kai-Chun Liu, Steen Jun-Ping Hsu, Chia-Tai Chan
Total knee arthroplasty (TKA) is the most common treatment for degenerative osteoarthritis of that articulation. However, either in rehabilitation clinics or in hospital wards, the knee range of motion (ROM) can currently only be assessed using a goniometer. In order to provide continuous and objective measurements of knee ROM, we propose the use of wearable inertial sensors to record the knee ROM during the recovery progress. Digitalized and objective data can assist the surgeons to control the recovery status and flexibly adjust rehabilitation programs during the early acute inpatient stage...
February 22, 2017: Sensors
https://www.readbyqxmd.com/read/28241209/compensatory-strategies-in-the-developmental-patterns-of-english-s-gender-and-vowel-context-effects
#2
Hye-Young Bang, Meghan Clayards, Heather Goad
Purpose: The developmental trajectory of English /s/ was investigated to determine the extent to which children's speech productions are acoustically fine-grained. Given the hypothesis that young children have adultlike phonetic knowledge of /s/, the following were examined: (a) whether this knowledge manifests itself in acoustic spectra that match the gender-specific patterns of adults, (b) whether vowel context affects the spectra of /s/ in adults and children similarly, and (c) whether children adopt compensatory production strategies to match adult acoustic targets...
February 23, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28241029/squamation-and-ecology-of-thelodonts
#3
Humberto G Ferrón, Héctor Botella
Thelodonts are an enigmatic group of Paleozoic jawless vertebrates that have been well studied from taxonomical, biostratigraphic and paleogeographic points of view, although our knowledge of their ecology and mode of life is still scant. Their bodies were covered by micrometric scales whose morphology, histology and the developmental process are extremely similar to those of extant sharks. Based on these similarities and on the well-recognized relationship between squamation and ecology in sharks, here we explore the ecological diversity and lifestyles of thelodonts...
2017: PloS One
https://www.readbyqxmd.com/read/28239258/euryhaline-preferences-of-the-decapod-crab-mioplax-socialis-enabled-it-to-survive-during-the-badenian-sarmatian-extinction-miocene-in-the-central-paratethys
#4
Matúš Hyžný, Oleg Mandic, Mathias Harzhauser, Peter Ledvák
Although decapod crustaceans of the Central Paratethys were diverse during the Badenian (Langhian-Early Serravallian), a dramatic drop in their diversity occurred at the boundary with the Sarmatian. A crab Mioplax socialis is one of the few decapods reported from the Lower Sarmatian (Mohrensternia Zone) of the Paratethys. Until now, this species has been known from only a handful of specimens from Austria, Croatia and Bulgaria (Central Paratethys), and its systematics and ecology remain poorly known. Here, on the basis of new specimens from the Sarmatian tuffitic clays of the Stretava Formation (Skároš, Eastern Slovakia) we confirm that this species belongs to the subfamily Chasmocarcininae...
April 2016: Geologica Carpathica: the Journal of Geological Institute of Slovak Academy of Sciences
https://www.readbyqxmd.com/read/28238296/pyriform-aperture-enlargement-in-all-aspects
#5
E Esen, N Bayar Muluk, N Altintoprak, K Ipci, C Cingi
BACKGROUND: The pyriform aperture comprises the central area of facial bone structure. It is formed by the free corners of the nasal bone and the frontal processes of the maxillae, which articulate with each other at the nasomaxillary suture lines. Congenital nasal pyriform aperture stenosis might be linked to various craniofacial problems. This review presents all aspects of pyriform aperture stenosis and enlargement. METHODS: A literature search was conducted...
February 27, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28237846/decision-support-for-water-quality-management-of-contaminants-of-emerging-concern
#6
Astrid Fischer, Thomas Ter Laak, Jan Bronders, Nele Desmet, Ekkehard Christoffels, Annemarie van Wezel, Jan Peter van der Hoek
Water authorities and drinking water companies are challenged with the question if, where and how to abate contaminants of emerging concern in the urban water cycle. The most effective strategy under given conditions is often unclear to these stakeholders as it requires insight into several aspects of the contaminants such as sources, properties, and mitigation options. Furthermore the various parties in the urban water cycle are not always aware of each other's requirements and priorities. Processes to set priorities and come to agreements are lacking, hampering the articulation and implementation of possible solutions...
February 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28236761/activity-associated-with-speech-articulation-measured-through-direct-cortical-recordings
#7
Alexandra Basilakos, Julius Fridriksson, Chris Rorden, Roozbeh Behroozmand, Taylor Hanayik, Thomas Naselaris, John Del Gaizo, Jesse Breedlove, W A Vandergrift, Leonardo Bonilha
The insula has been credited with a role in a number of functions, including speech production. Here, we recorded electrocorticography (ECoG) signals from the left insula during pseudoword articulation in two patients undergoing pre-surgical monitoring for the management of medically-intractable epilepsy. Event-related band power (ERBP) activity from electrodes implanted in the superior precentral gyrus of the insula (SPGI) was compared to that of other left hemisphere regions implicated in speech production...
February 22, 2017: Brain and Language
https://www.readbyqxmd.com/read/28236553/does-maximal-external-tibial-component-rotation-influence-tibiofemoral-load-distribution-in-the-primary-knee-arthroplasty-setting-a-comparison-of-neutral-vs-maximal-anatomical-external-rotatory-states
#8
William A Manning, Kanishka M Ghosh, Alasdair P Blain, Lee M Longstaff, Steven P Rushton, David J Deehan
BACKGROUND: Tibial component rotation at time of knee arthroplasty can influence conformity, load transmission across the polyethylene surface, and perhaps ultimately determined survivorship. Optimal tibial component rotation on the cut surface is reliant on standard per operative manual stressing. This subjective assessment aims to balance constraint and stability of the articulation through a full arc of movement. METHODS: Using a cadaveric model, computer navigation and under defined, previously validated loaded conditions mimicking the in vivo setting, the influence of maximal tibial component external rotation compared with the neutral state was examined for changes in laxity and tibiofemoral continuous load using 3D displacement measurement and an orthosensor continuous load sensor implanted within the polyethylene spacer in a simulated single radius total knee arthroplasty...
February 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28236044/burning-issues-cremation-and-incineration-in-modern-india
#9
David Arnold
The cremation of human bodies and the incineration of urban waste provide two interrelated examples of technologies using the destructive power of fire that "travelled" in both directions between India and the West in the nineteenth and twentieth centuries. Rather than granting an automatic ascendency to western ways of burning the dead or disposing of urban rubbish, these case studies indicate the manner in which culture and environment inhibited or prevented their advance and favoured the survival or re-articulation of pre-existing technological practices and the socio-political infrastructure in which they were embedded...
February 24, 2017: NTM
https://www.readbyqxmd.com/read/28235906/speed-dependent-modulation-of-wing-muscle-recruitment-intensity-and-kinematics-in-two-bat-species
#10
Nicolai Konow, Jorn A Cheney, Thomas J Roberts, Jose Iriarte-Díaz, Kenneth S Breuer, J Rhea S Waldman, Sharon M Swartz
Animals respond to changes in power requirements during locomotion by modulating the intensity of recruitment of their propulsive musculature, but many questions concerning how muscle recruitment varies with speed across modes of locomotion remain unanswered. We measured average muscle recruitment intensity (aEMG) for pectoralis major and biceps brachii at different flight speeds in two relatively distantly related bat species: the aerial insectivore Eptesicus fuscus, and the primarily fruit eating Carollia perspicillata These ecologically distinct species employ different flight behaviors but possess similar wing aspect ratio, wing loading and body mass...
February 24, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28230398/anticipation-in-manual-tracking-with-multiple-delays
#11
Nigel Stepp, Michael T Turvey
Two experiments are reported showing that behavior exhibited in manual tracking is consistent with behavior predicted by a dynamical systems phenomenon known as anticipating synchronization (Voss, 2000). They extend a prior investigation of the effect of delay on anticipatory manual tracking (Stepp, 2009) by also manipulating coupling strength. The coupling scheme in Experiment 1 and that in Experiment 2 go beyond the single delayed feedback coupling used in previous research and articulations of anticipating synchronization...
February 23, 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28228674/towards-a-revision-of-the-genus-periclimenes-resurrection-of-ancylocaris-schenkel-1902-and-designation-of-three-new-genera-crustacea-decapoda-palaemonidae
#12
Zdeněk Ďuriš, Ivona Horká
Based on recently published molecular phylogenies of Indo-West Pacific palaemonid shrimps and further morphological evidence, the systematic position of several species of the polyphyletic genus Periclimenes is revised. The generic name Ancylocaris Schenkel, 1902 is re-established for the anemone-associated Periclimenes brevicarpalis. Actinimenesgen. n., is proposed for the anemone-associated Periclimenes inornatus, Periclimenes ornatellus and Periclimenes ornatus, all of which have a subspatulate first pereiopod...
2017: ZooKeys
https://www.readbyqxmd.com/read/28228571/who-cares-the-lost-legacy-of-archie-cochrane
#13
Clemet Askheim, Tony Sandset, Eivind Engebretsen
Over the last 20 years, the evidence-based medicine (EBM) movement has sought to develop standardised approaches to patient treatment by drawing on research results from randomised controlled trials (RCTs). The Cochrane Collaboration and its eponym, Archie Cochrane, have become symbols of this development, and Cochrane's book Effectiveness and Efficiency from 1972 is often referred to as the first sketch of what was to become EBM. In this article, we claim that this construction of EBM's historical roots is based on a selective reading of Cochrane's text...
March 2017: Medical Humanities
https://www.readbyqxmd.com/read/28227176/a-novel-method-to-assess-angle-sensor-performance-for-wearable-exoskeletal-joint-kinematics
#14
Nicholas B Bolus, Geza F Kogler, Omer T Inan, Nicholas B Bolus, Geza F Kogler, Omer T Inan, Geza F Kogler, Omer T Inan, Nicholas B Bolus
Full range of motion (ROM) at a joint is necessary for efficient and adaptive movement; as such, it is an essential clinical evaluation measure for assessing an individual's motor function, which can be affected by any number of musculoskeletal injuries and neuropathies. Measurement of joint ROM in the clinic has classically been accomplished statically through the use of a manual goniometer. More recent efforts in the fields of prosthetics and orthotics have demonstrated the potential utility of wearable systems (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227145/towards-an-implantable-bio-sensor-platform-for-continuous-real-time-monitoring-of-anti-epileptic-drugs
#15
Abbas Hammoud, Ahmad Chamseddine, Dang K Nguyen, Mohamad Sawan, Abbas Hammoud, Ahmad Chamseddine, Dang K Nguyen, Mohamad Sawan, Mohamad Sawan, Abbas Hammoud, Dang K Nguyen
The need of continuous real-time monitoring device for in-vivo drug level detection has been widely articulated lately. Such monitoring could guide drug posology and timing of intake, detect low or high drug levels, in order to take adequate measures, and give clinicians a valuable window into patients' health and their response to therapeutics. This paper presents a novel implantable bio-sensor based on impedance measurement capable of continuously monitoring various antiepileptic drug levels. This portable point-of-care microsystem replaces large and stationary conventional macrosystems, and is a one of a kind system designed with an array of electrodes to monitor various anti-epileptic drugs rather than one drug...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226947/lower-limb-pose-estimation-for-monitoring-the-kicking-patterns-of-infants
#16
Miguel M Serrano, Yu-Ping Chen, Ayanna Howard, Patricio A Vela, Miguel M Serrano, Yu-Ping Chen, Ayanna Howard, Patricio A Vela, Miguel M Serrano, Ayanna Howard, Patricio A Vela, Yu-Ping Chen
Monitoring the spontaneous kicking patterns of infants can give insight into their development. A computer vision based method for estimating the pose of an infant's leg from range images is presented in this paper. After some manual inputs for initialization, the range data associated with the infant is extracted. The method uses Robust Point Set Registration (RPSR) to fit an articulated model to the subject in every frame in the sequence, thus it provides the joint trajectories over time of the kicking kinematics...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226369/interpolated-flaps
#17
Samkon Kaltho Gado, Kaveh Karimnejad, Ian A Maher, Paul J Gruber, Scott Walen
Nasal reconstruction has been articulated in the literature since 700 B.C. when the earliest iteration of the forehead flap was described in the Indian medical treatise, the Sushruta Samhita. Since then it has evolved into the interpolated flap which has served as a powerful tool for facial reconstruction. The interpolated flap is constructed from nonadjacent donor tissue that has an inherent blood supply. It requires a multistaged approach and is best suited for reconstruction of large or deep defects of the nose...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28226218/assessing-cartilage-biomechanical-properties-techniques-for-evaluating-the-functional-performance-of-cartilage-in-health-and-disease
#18
Benjamin A Lakin, Brian D Snyder, Mark W Grinstaff
Osteoarthritis (OA) affects millions of people and results in weakened hyaline cartilage due to overloading. During joint articulation, hyaline cartilage must withstand high loads while maintaining low friction to prevent wear and tissue loss. Thus, cartilage compressive stiffness and the coefficient of friction are important indicators of the tissue's functional performance. These mechanical properties are often measured ex vivo using mechanical testing regimens, but arthroscopic handheld probes (e.g., for indentation testing, ultrasound, and optical coherence tomography) and noninvasive imaging modalities (e...
February 2, 2017: Annual Review of Biomedical Engineering
https://www.readbyqxmd.com/read/28225909/tuberculosis-as-a-marker-of-inequities-in-the-context-of-socio-spatial-transformation
#19
Alexandre San Pedro, Gerusa Gibson, Jefferson Pereira Caldas Dos Santos, Luciano Medeiros de Toledo, Paulo Chagastelles Sabroza, Rosely Magalhães de Oliveira
OBJECTIVE: This study aims to analyze the association between the incidence of tuberculosis and different socioeconomic indicators in a territory of intense transformation of the urban space. METHODS: This is an ecological study, whose analysis units were the neighborhoods of the city of Itaboraí, state of Rio de Janeiro, Brazil. The data have been analyzed by generalized linear models. The response variable was incidence of tuberculosis from 2006 to 2011. The independent variables were the socio-demographic indicators...
February 16, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28223290/nephrologists-perspectives-on-defining-and-applying-patient-centered-outcomes-in-hemodialysis
#20
Allison Tong, Wolfgang C Winkelmayer, David C Wheeler, Wim van Biesen, Peter Tugwell, Braden Manns, Brenda Hemmelgarn, Tess Harris, Sally Crowe, Angela Ju, Emma O'Lone, Nicole Evangelidis, Jonathan C Craig
BACKGROUND AND OBJECTIVES: Patient centeredness is widely advocated as a cornerstone of health care, but it is yet to be fully realized, including in nephrology. Our study aims to describe nephrologists' perspectives on defining and implementing patient-centered outcomes in hemodialysis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Face-to-face, semistructured interviews were conducted with 58 nephrologists from 27 dialysis units across nine countries, including the United States, the United Kingdom, Australia, Austria, Belgium, Canada, Germany, Singapore, and New Zealand...
February 21, 2017: Clinical Journal of the American Society of Nephrology: CJASN
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