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https://www.readbyqxmd.com/read/28813982/validation-of-a-constrained-time-movement-task-for-use-in-rehabilitation-outcome-measures
#1
Daniel H Blustein, Jonathon W Sensinger
Current motor assessment tools can provide numerical indicators of performance but do not provide actionable information to target further improvement in rehabilitation interventions. Psychophysics-based outcome measures show promise to provide more useful information in the laboratory environment but have been limited in clinical implementation. Here we present a constrained-time task to assess paced and non-rhythmic movements. The task's output metrics include trial-by-trial adaptation rate and the just noticeable difference of a perturbation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813480/paleogenetic-study-on-the-17th-century-korean-mummy-with-atherosclerotic-cardiovascular-disease
#2
Dong Hoon Shin, Chang Seok Oh, Jong Ha Hong, Yusu Kim, Soong Deok Lee, Eunju Lee
While atherosclerotic cardiovascular disease (ASCVD) is known to be common among modern people exposed to various risk factors, recent paleopathological studies have shown that it affected ancient populations much more frequently than expected. In 2010, we investigated a 17th century Korean female mummy with presumptive ASCVD signs. Although the resulting report was a rare and invaluable conjecture on the disease status of an ancient East Asian population, the diagnosis had been based only on anatomical and radiological techniques, and so could not confirm the existence of ASCVD in the mummy...
2017: PloS One
https://www.readbyqxmd.com/read/28812872/effect-of-mineral-dissolution-precipitation-and-co2-exsolution-on-co2-transport-in-geological-carbon-storage
#3
Ruina Xu, Rong Li, Jin Ma, Di He, Peixue Jiang
Geological carbon sequestration (GCS) in deep saline aquifers is an effective means for storing carbon dioxide to address global climate change. As the time after injection increases, the safety of storage increases as the CO2 transforms from a separate phase to CO2(aq) and HCO3(-) by dissolution and then to carbonates by mineral dissolution. However, subsequent depressurization could lead to dissolved CO2(aq) escaping from the formation water and creating a new separate phase which may reduce the GCS system safety...
August 16, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28812591/body-size-shifts-and-early-warning-signals-precede-the-historic-collapse-of-whale-stocks
#4
Christopher F Clements, Julia L Blanchard, Kirsty L Nash, Mark A Hindell, Arpat Ozgul
Predicting population declines is a key challenge in the face of global environmental change. Abundance-based early warning signals have been shown to precede population collapses; however, such signals are sensitive to the low reliability of abundance estimates. Here, using historical data on whales harvested during the 20th century, we demonstrate that early warning signals can be present not only in the abundance data, but also in the more reliable body size data of wild populations. We show that during the period of commercial whaling, the mean body size of caught whales declined dramatically (by up to 4 m over a 70-year period), leading to early warning signals being detectable up to 40 years before the global collapse of whale stocks...
June 22, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812185/reliability-of-standing-weight-bearing-0-25t-mr-imaging-findings-and-positional-changes-in-the-lumbar-spine
#5
Bjarke B Hansen, Philip Hansen, Anders F Christensen, Charlotte Trampedach, Zoreh Rasti, Henning Bliddal, Mikael Boesen
OBJECTIVE: To test the reliability and absolute agreement of common degenerative findings in standing positional magnetic resonance imaging (pMRI). METHODS AND MATERIALS: Low back pain patients with and without sciatica were consecutively enrolled to undergo a supine and standing pMRI. Three readers independently evaluated the standing pMRI for herniation, spinal stenosis, spondylolisthesis, HIZ lesions and facet joint effusion. The evaluation included a semi-quantitative grading of spinal stenosis, foraminal stenosis and spinal nerve root compression...
August 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28812002/image-guided-thermal-ablation-with-mr-based-thermometry
#6
REVIEW
Mingming Zhu, Ziqi Sun, Chin K Ng
Thermal ablation techniques such as radiofrequency, microwave, high intensity focused ultrasound (HIFU) and laser have been used as minimally invasive strategies for the treatment of variety of cancers. MR thermometry methods are readily available for monitoring thermal distribution and deposition in real time, leading to decrease of incidents of normal tissue damage around targeted lesion. HIFU and laser-induced thermal therapy (LITT) are the two widely accepted tumor ablation techniques because of their compatibility with MR systems...
June 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28811772/values-of-procalcitonin-and-c-reactive-proteins-in-the-diagnosis-and-treatment-of-chronic-obstructive-pulmonary-disease-having-concomitant-bacterial-infection
#7
Yanyan Li, Linlin Xie, Shuzhen Xin, Kaishu Li
OBJECTIVE: To observe the changes in the levels of C-reactive protein (CRP) and procalcitonin (PCT) in serum of patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPD) and to compare with the values of CRP in combination with PCT in the diagnosis and treatment of infective exacerbation of COPD. METHODS: One hundred and sixty-four patients who developed acute exacerbation of COPD and admitted to the Binzhou People's Hospital from March 2014 to December 2015 were selected...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811716/development-and-validation-of-a-simple-and-multifaceted-instrument-gerd-test-for-the-clinical-evaluation-of-gastroesophageal-reflux-and-dyspeptic-symptoms
#8
Koji Nakada, Nobuyuki Matsuhashi, Katsuhiko Iwakiri, Atsushi Oshio, Takashi Joh, Kazuhide Higuchi, Ken Haruma
AIM: To evaluate the psychometric properties of a newly developed questionnaire, known as the gastroesophageal reflux and dyspepsia therapeutic efficacy and satisfaction test (GERD-TEST), in patients with GERD. METHODS: Japanese patients with predominant GERD symptoms recruited according to the Montreal definition were treated for 4 wk using a standard dose of proton pump inhibitor (PPI). The GERD-TEST and the Medical Outcome Study Short Form-8 Health Survey (SF-8) were administered at baseline and after 4 wk of treatment...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28811627/impact-of-ocean-warming-on-tropical-cyclone-size-and-its-destructiveness
#9
Yuan Sun, Zhong Zhong, Tim Li, Lan Yi, Yijia Hu, Hongchao Wan, Haishan Chen, Qianfeng Liao, Chen Ma, Qihua Li
The response of tropical cyclone (TC) destructive potential to global warming is an open issue. A number of previous studies have ignored the effect of TC size change in the context of global warming, which resulted in a significant underestimation of the TC destructive potential. The lack of reliable and consistent historical data on TC size limits the confident estimation of the linkage between the observed trend in TC size and that in sea surface temperature (SST) under the background of global climate warming...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811585/age-related-changes-in-crowding-and-reading-speed
#10
Rong Liu, Bhavika N Patel, MiYoung Kwon
Crowding, the inability to recognize objects in clutter, is known to play a role in developmental changes in reading speed. Here, we investigated whether crowding also plays a role in age-related changes in reading speed. We recruited 18 young (mean age: 22.6 ± 3.5; range: 18~31) and 21 older adults (mean age: 58.2 ± 7.0; range: 50~73) with normal vision. Reading speed was measured with short blocks of text. The degree of crowding was determined by measuring crowding zone (the distance between a target and flankers required to yield a criterion recognition accuracy) and the size of the visual span (an uncrowded window in the visual field within which letters can be recognizable reliably)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811353/the-omeract-rheumatoid-arthritis-magnetic-resonance-imaging-mri-scoring-system-updated-recommendations-by-the-omeract-mri-in-arthritis-working-group
#11
Mikkel Østergaard, Charles G Peterfy, Paul Bird, Frédérique Gandjbakhch, Daniel Glinatsi, Iris Eshed, Espen A Haavardsholm, Siri Lillegraven, Pernille Bøyesen, Bo Ejbjerg, Violaine Foltz, Paul Emery, Harry K Genant, Philip G Conaghan
OBJECTIVE: The Outcome Measures in Rheumatology (OMERACT) Rheumatoid Arthritis (RA) Magnetic Resonance Imaging (MRI) scoring system (RAMRIS), evaluating bone erosion, bone marrow edema/osteitis, and synovitis, was introduced in 2002, and is now the standard method of objectively quantifying inflammation and damage by MRI in RA trials. The objective of this paper was to identify subsequent advances and based on them, to provide updated recommendations for the RAMRIS. METHODS: MRI studies relevant for RAMRIS and technical and scientific advances were analyzed by the OMERACT MRI in Arthritis Working Group, which used these data to provide updated considerations on image acquisition, RAMRIS definitions, and scoring systems for the original and new RA pathologies...
August 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28811009/the-feasibility-of-sugammadex-for-general-anesthesia-and-facial-nerve-monitoring-in-patients-undergoing-parotid-surgery
#12
I-Cheng Lu, Pi-Ying Chang, Miao-Pei Su, Po-Nien Chen, Hsiu-Ya Chen, Feng-Yu Chiang, Che-Wei Wu
The use of neuromuscular blocking agent (NMBA) during anesthesia may interfere with facial nerve monitoring (FNM) during parotid surgery. Sugammadex has been reported to be an effective and safe reversal of rocuronium-induced neuromuscular block (NMB) during surgery. This study investigated the feasibility and clinical effectiveness of sugammadex for NMB reversal during FNM in Parotid surgery. Fifty patients undergoing parotid surgery were randomized allocated into conventional anesthesia group (Group C, n = 25) and sugammadex group (Group S, n = 25)...
August 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28810570/research-on-the-function-and-related-mechanism-of-p27-gene-in-the-intervertebral-disc-degeneration-of-mice
#13
Xiao Liu, Deguo Wang, Zhengzheng Zhang, Fenghui Zhu, Aiming Yao, Jiwei Tian, Dengshun Miao
This study aims to investigate the function and related mechanism of P27 gene in intervertebral disc (IVD) degeneration of mice. X-ray, immunohistochemical staining, and alkaline phosphatase (ALP) histochemical staining were used to analyze the phenotypic difference of the intervertebral discs of 4-week-old mice with P27 gene knockout (P27(-/-)) and wild-type (WT) mice in the same brood. Protein in the intervertebral disc was extracted and western blot analysis was employed to detect the changes in the expression of related molecules in the Shh-signal pathways, including Shh, Patched, Smoothened and Gli2...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810509/spatiotemporal-assessment-and-trade-offs-of-multiple-ecosystem-services-based-on-land-use-changes-in-zengcheng-china
#14
Xiao Sun, Feng Li
Driven by rapid urbanization, land use change has become a significant factor influencing ecosystem services (ESs). To support the decision-making process of city planners and policy makers, assessing the spatiotemporal changes associated with multiple ESs is vital. In this study, we developed a general structure to assess the changes of multiple ESs in Zengcheng, China. A new index also was developed to measure the comprehensive ecosystem service (CES). Trade-offs of various ESs were analyzed by using correlation analysis...
August 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28810354/validation-of-the-intuitive-eating-scale-in-pregnancy
#15
Helen Paterson, Jean Hay-Smith, Gareth Treharne, Peter Herbison, Caroline Howarth
The objective of this study was to examine the content validity and test-retest reliability of the Intuitive Eating Scale among pregnant women. A qualitative think-aloud study of the Intuitive Eating Scale analysed the content validity. Overall, the Intuitive Eating Scale made sense to pregnant women, but food safety affected the interpretation of some items. A version with instructions modified accounting for food safety, the Intuitive Eating Scale-Pregnancy, was subsequently shown to have stable scores over 5 weeks during the second trimester, mean change = -0...
October 1, 2016: Journal of Health Psychology
https://www.readbyqxmd.com/read/28810259/reliability-reproducibility-and-prognostic-accuracy-of-the-alberta-stroke-program-early-ct-score-on-ct-perfusion-and-non-contrast-ct-in-hyperacute-stroke
#16
Jillian Naylor, Leonid Churilov, Ziyuan Chen, Miriam Koome, Neil Rane, Bruce C V Campbell
BACKGROUND: Alberta Stroke Program Early CT Score (ASPECTS) assesses early ischemic change on non-contrast CT (NCCT). We hypothesised that assessing ASPECTS regions on CT Perfusion (CTP) rather than NCCT would improve inter-rater agreement and prognostic accuracy, particularly in patients presenting early after stroke onset. METHODS: Ischemic stroke patients treated with intravenous alteplase from 2009 to 2014 at our institution were included in this study. Inter-rater agreement and prognostic accuracy of ASPECTS across modalities were analysed by the time between stroke onset and initial NCCT, dichotomized 1st quartile versus quartiles 2-4, referred to as epochs...
August 16, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28810091/preoperative-chest-radiography-in-elective-surgery-review-and-update
#17
Ethan M Young, Joel D Farmer
INTRODUCTION: The preoperative evaluation is designed to identify factors that may predispose a patient to perioperative complications in an effort to ensure patient safety. The use of chest radiography in the preoperative evaluation has progressed from routine testing to a more selective approach based on evidence that routine testing is low yield. However, preoperative chest radiography (POCR) may still be utilized more frequently than necessary as guidelines provide varying recommendations and providers continue to order the test by convention...
February 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28809712/a-novel-intracranial-pressure-readout-circuit-for-passive-wireless-lc-sensor
#18
Fa Wang, Xuan Zhang, Mehdi Shokoueinejad, Bermans J Iskandar, Joshua E Medow, John G Webster
We present a wide frequency range, low cost, wireless intracranial pressure monitoring system, which includes an implantable passive sensor and an external reader. The passive sensor consists of two spiral coils and transduces the pressure change to a resonant frequency shift. The external portable reader reads out the sensor's resonant frequency over a wide frequency range (35 MHz-2.7 GHz). We propose a novel circuit topology, which tracks the system's impedance and phase change at a high frequency with low-cost components...
August 14, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28809639/the-effect-of-incorrect-foot-placement-on-the-accuracy-of-radiographic-measurements-of-the-hallux-valgus-and-inter-metatarsal-angles-for-treating-hallux-valgus
#19
E Kuyucu, H H Ceylan, S Surucu, I Erdil, A Kara, B G Gulenc, M Bulbul, M Erdil
PURPOSE OF THE STUDY Accurate radiographic measurements are crucial in treating hallux valgus (HV). This three-dimensional deformity should not be evaluated from one joint on one plane. However, in practice, surgeons measure the deformity only on transverse dorsoplantar radiographs. We determined the amount of error associated with positioning the foot incorrectly on radiographs. MATERIAL AND METHODS To simulate incorrect positions of the foot in radiographic evaluation, we designed an angled device that can move in transverse and frontal plane...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28809476/reactivity-and-diffusivity-of-li-polysulfides-a-fundamental-study-using-impedance-spectroscopy
#20
Sara Drvarič Talian, Joze Moskon, Robert Dominko, Miran Gaberscek
Polysulfides are central compounds in lithium-sulfur battery cells. However, the fundamental redox and diffusion properties of polysulfides are still poorly understood. We try to fill this gap by performing accurate impedance spectroscopy investigation using symmetrical cells consisting from two planar glassy carbon electrodes separated with catholyte-soaked separator. The catholyte contains a mixture of selected polysulfides with predetermined nominal concentrations. Impedance measurements reveal textbook shapes of spectra for most polysulfide compounds or their mixtures...
August 15, 2017: ACS Applied Materials & Interfaces
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