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https://www.readbyqxmd.com/read/29050436/sound-analysis-to-model-weight-of-broiler-chickens
#1
Ilaria Fontana, Emanuela Tullo, Lenn Carpentier, Dries Berckmans, Andy Butterworth, Erik Vranken, Tomas Norton, Daniel Berckmans, Marcella Guarino
The pattern of body weight gain during the commercial growing of broiler chickens is important to understand growth and feed conversion ratio of each flock.The application of sound analysis techniques has been widely studied to measure and analyze the amplitude and frequency of animal sounds. Previous studies have shown a significant correlation (P ≤ 0.001) between the frequency of vocalization and the age and weight of broilers. Therefore, the aim of this study was to identify and validate a model that describes the growth rate of broiler chickens based on the peak frequency of their vocalizations and to explore the possibility to develop a tool capable of automatically detecting the growth of the chickens based on the frequency of their vocalizations during the production cycle...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29042582/portable-biosensor-for-monitoring-cortisol-in-low-volume-perspired-human-sweat
#2
David Kinnamon, Ramesh Ghanta, Kai-Chun Lin, Sriram Muthukumar, Shalini Prasad
A non-faradaic label-free cortisol biosensor was demonstrated using MoS2 nanosheets integrated into a nanoporous flexible electrode system. Low volume (1-5 μL) sensing was achieved through use of a novel sensor stack design comprised of vertically aligned metal electrodes confining semi-conductive MoS2 nanosheets. The MoS2 nanosheets were surface functionalized with cortisol antibodies towards developing an affinity biosensor specific to the physiological relevant range of cortisol (8.16 to 141.7 ng/mL) in perspired human sweat...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29042342/reduction-in-fall-rate-in-dementia-managed-care-through-video-incident-review-pilot-study
#3
Eleonore Bayen, Julien Jacquemot, George Netscher, Pulkit Agrawal, Lynn Tabb Noyce, Alexandre Bayen
BACKGROUND: Falls of individuals with dementia are frequent, dangerous, and costly. Early detection and access to the history of a fall is crucial for efficient care and secondary prevention in cognitively impaired individuals. However, most falls remain unwitnessed events. Furthermore, understanding why and how a fall occurred is a challenge. Video capture and secure transmission of real-world falls thus stands as a promising assistive tool. OBJECTIVE: The objective of this study was to analyze how continuous video monitoring and review of falls of individuals with dementia can support better quality of care...
October 17, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29035296/a-wireless-monitoring-system-using-a-tunneling-sensor-array-in-a-smart-oral-appliance-for-sleep-apnea-treatment
#4
Kun-Ying Yeh, Chao-Chi Yeh, Chun-Chang Wu, Kuan Tang, Jyun-Yi Wu, Yun-Ting Chen, Ming-Xin Xu, Yunn-Jy Chen, Yao-Joe Yang, Shey-Shi Lu
Sleep apnea is a serious sleep disorder, and the most common type is obstructive sleep apnea (OSA). Untreated OSA will cause lots of potential health problems. Oral appliance therapy is an effective and popular approach for OSA treatment, but making a perfect fit for each patient is time-consuming and decreases its efficiency considerably. This paper proposes a System-on-a-Chip (SoC) enabled sleep monitoring system in a smart oral appliance, which is capable of intelligently collecting the physiological data about tongue movement through the whole therapy...
October 16, 2017: Sensors
https://www.readbyqxmd.com/read/29034446/glucose-variability-after-bariatric-surgery-is-prediction-of-diabetes-remission-possible
#5
Ana M Ramos-Leví, Andrés Sánchez-Pernaute, Clara Marcuello, Mercedes Galindo, Alfonso L Calle-Pascual, Antonio J Torres, Miguel A Rubio
We aimed to corroborate glycemic control after bariatric surgery (BS) using continuous glucose monitoring (CGM) and analyze if data could predict long-term outcome. We evaluated 24 of our patients with type 2 diabetes who underwent BS (12 Roux-en-Y gastric bypass, RYGB, and 12 single-anastomosis duodeno-ileal bypass with sleeve gastrectomy, SADI-S) and who were in remission after 18-24 months' follow-up. At this time, a CGM device was placed for 7 days. Patients were reevaluated thereafter for at least 5 years...
October 16, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29031968/pyrolysis-gas-chromatography-isotope-ratio-mass-spectrometry-for-monitoring-natural-additives-in-polylactic-acid-active-food-packages
#6
M Llana-Ruíz-Cabello, S Pichardo, N T Jiménez-Morillo, F J González-Vila, E Guillamón, J M Bermúdez, S Aucejo, A M Camean, J A González-Pérez
Compound-specific isotope analysis (CSIA) usually requires preparative steps (pretreatments, extraction, derivatization) to get amenable chromatographic analytes from bulk geological, biological or synthetic materials. Analytical pyrolysis (Py-GC/MS) can help to overcome such sample manipulation. This communication describe the results obtained by hyphenating analytical pyrolysis (Py-GC) with carbon isotope-ratio mass spectrometry (IRMS) for the analysis of a polylactic acid (PLA) a based bio-plastic extruded with variable quantities of a natural plant extract or oregano essential oil...
October 8, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29030383/12-week-24-7-ambulatory-artificial-pancreas-with-weekly-adaptation-of-insulin-delivery-settings-effect-on-hemoglobin-a1c-and-hypoglycemia
#7
Eyal Dassau, Jordan E Pinsker, Yogish C Kudva, Sue A Brown, Ravi Gondhalekar, Chiara Dalla Man, Steve Patek, Michele Schiavon, Vikash Dadlani, Isuru Dasanayake, Mei Mei Church, Rickey E Carter, Wendy C Bevier, Lauren M Huyett, Jonathan Hughes, Stacey Anderson, Dayu Lv, Elaine Schertz, Emma Emory, Shelly K McCrady-Spitzer, Tyler Jean, Paige K Bradley, Ling Hinshaw, Alejandro J Laguna Sanz, Ananda Basu, Boris Kovatchev, Claudio Cobelli, Francis J Doyle
OBJECTIVE: Artificial pancreas (AP) systems are best positioned for optimal treatment of type 1 diabetes (T1D) and are currently being tested in outpatient clinical trials. Our consortium developed and tested a novel adaptive AP in an outpatient, single-arm, uncontrolled multicenter clinical trial lasting 12 weeks. RESEARCH DESIGN AND METHODS: Thirty adults with T1D completed a continuous glucose monitor (CGM)-augmented 1-week sensor-augmented pump (SAP) period...
October 13, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29029117/the-european-registry-for-patients-with-mechanical-circulatory-support-euromacs-of-the-european-association-for-cardio-thoracic-surgery-eacts-second-report
#8
Theo M M H de By, Paul Mohacsi, Brigitta Gahl, Armin Zittermann, Thomas Krabatsch, Finn Gustafsson, Pascal Leprince, Bart Meyns, Ivan Netuka, Kadir Caliskan, Evaristo Castedo, Francesco Musumeci, André Vincentelli, Roland Hetzer, Jan Gummert
OBJECTIVES: The European Registry for Patients with Mechanical Circulatory Support (EUROMACS) was founded in Berlin, Germany. EUROMACS is supported fully by the European Association for Cardio-Thoracic Surgery (EACTS) and, since 2014, has functioned as a committee of the EACTS. The purpose of having the EUROMACS as a part of the EACTS is to accumulate clinical data related to long-term mechanical circulatory support for scientific purposes and to publish annual reports. METHODS: Participating hospitals contributed surgical and cardiological pre-, peri- and long-term postoperative data of mechanical circulatory support implants to the registry...
September 29, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29028462/older-adults-with-alzheimer-s-disease-who-have-used-an-automatic-medication-dispenser-for-3-or-more-years
#9
Tomoko Kamimura
This article describes four older adults with Alzheimer's disease and comorbidities who used an automatic medication dispenser (AMD) to continue pharmacotherapy for these chronic diseases and who remained at home living either alone or with an older spouse. The AMDs were used for 3 to 4.5 years. The patients scored at least 21 on the Mini-Mental State Examination, and their dosing regimen involved taking the medication once or twice per day throughout this period. The caregivers filled the devices with medications once every 1 to 2 weeks and continuously monitored the patients' conditions nearly every day...
June 30, 2017: Clinical Gerontologist
https://www.readbyqxmd.com/read/29027496/optimizing-usability-and-signal-capture-a-proactive-risk-assessment-for-the-implementation-of-a-wireless-vital-sign-monitoring-system
#10
Rebecca Kowalski, Muge Capan, Peter Lodato, Danielle Mosby, Tamekia Thomas, Ryan Arnold, Kristen Miller
Wearable vital sign monitors are a promising step towards optimal patient surveillance, providing continuous data to allow for early detection and treatment of patient deterioration. However, as wearable monitors become more widely adopted in healthcare, there is a corresponding need to carefully design the implementation of these tools to promote their integration into clinical workflows and defend against potential misuse and patient harm. Prior to the roll-out of these monitors, our multidisciplinary team of clinicians, clinical engineers, information technologists and research investigators conducted a modified Healthcare Failure Mode and Effect Analysis (HFMEA), a proactive evaluation of potential problems which could be encountered in the use of a wireless vital signs monitoring system...
October 13, 2017: Journal of Medical Engineering & Technology
https://www.readbyqxmd.com/read/29024308/does-remote-monitoring-change-osa-management-and-cpap-adherence
#11
REVIEW
Jean L Pépin, Renaud Tamisier, Dennis Hwang, Suresh Mereddy, Sairam Parthasarathy
It is increasingly recognized that the high prevalence of obstructive sleep apnoea (OSA), and its associated cardio-metabolic morbidities make OSA a burden for society. Continuous positive airway pressure (CPAP), the gold standard treatment, needs to be used for more than 4 h/night to be effective, but suffers from relatively poor adherence. Furthermore, CPAP is likely to be more effective if combined with lifestyle changes. Thus, the remote telemonitoring (TM) of OSA patients in terms of CPAP use, signalling of device problems, following disease progression, detection of acute events and monitoring of daily physical activity is an attractive option...
November 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/29023644/a-two-stage-model-for-wearable-device-data
#12
Jiawei Bai, Yifei Sun, Jennifer A Schrack, Ciprian M Crainiceanu, Mei-Cheng Wang
Recent advances of wearable computing technology have allowed continuous health monitoring in large observational studies and clinical trials. Examples of data collected by wearable devices include minute-by-minute physical activity proxies measured by accelerometers or heart rate. The analysis of data generated by wearable devices has so far been quite limited to crude summaries, for example, the mean activity count over the day. To better utilize the full data and account for the dynamics of activity level in the time domain, we introduce a two-stage regression model for the minute-by-minute physical activity proxy data...
October 10, 2017: Biometrics
https://www.readbyqxmd.com/read/29023403/electrodermal-activity-sensor-for-classification-of-calm-distress-condition
#13
Roberto Zangróniz, Arturo Martínez-Rodrigo, José Manuel Pastor, María T López, Antonio Fernández-Caballero
This article introduces a new and unobtrusive wearable monitoring device based on electrodermal activity (EDA) to be used in health-related computing systems. This paper introduces the description of the wearable device capable of acquiring the EDA of a subject in order to detect his/her calm/distress condition from the acquired physiological signals. The lightweight wearable device is placed in the wrist of the subject to allow continuous physiological measurements. With the aim of validating the correct operation of the wearable EDA device, pictures from the International Affective Picture System are used in a control experiment involving fifty participants...
October 12, 2017: Sensors
https://www.readbyqxmd.com/read/29019915/revolutionizing-therapeutic-drug-monitoring-with-the-use-of-interstitial-fluid-and-microneedles-technology
#14
REVIEW
Tony K L Kiang, Sahan A Ranamukhaarachchi, Mary H H Ensom
While therapeutic drug monitoring (TDM) that uses blood as the biological matrix is the traditional gold standard, this practice may be impossible, impractical, or unethical for some patient populations (e.g., elderly, pediatric, anemic) and those with fragile veins. In the context of finding an alternative biological matrix for TDM, this manuscript will provide a qualitative review on: (1) the principles of TDM; (2) alternative matrices for TDM; (3) current evidence supporting the use of interstitial fluid (ISF) for TDM in clinical models; (4) the use of microneedle technologies, which is potentially minimally invasive and pain-free, for the collection of ISF; and (5) future directions...
October 11, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/29018317/jake%C3%A2-multimodal-data-capture-system-insights-from-an-observational-study-of-autism-spectrum-disorder
#15
Seth L Ness, Nikolay V Manyakov, Abigail Bangerter, David Lewin, Shyla Jagannatha, Matthew Boice, Andrew Skalkin, Geraldine Dawson, Yvette M Janvier, Matthew S Goodwin, Robert Hendren, Bennett Leventhal, Frederick Shic, Walter Cioccia, Gahan Pandina
Objective: To test usability and optimize the Janssen Autism Knowledge Engine (JAKE®) system's components, biosensors, and procedures used for objective measurement of core and associated symptoms of autism spectrum disorder (ASD) in clinical trials. Methods: A prospective, observational study of 29 children and adolescents with ASD using the JAKE system was conducted at three sites in the United States. This study was designed to establish the feasibility of the JAKE system and to learn practical aspects of its implementation...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29018179/exhaled-isoprene-for-monitoring-recovery-from-acute-hypoxic-stress
#16
Sean William Harshman, Brian A Geier, Anthony Qualley, Leslie A Drummond, Laura Flory, Maomian Fan, Rhonda Pitsch, Claude C Grigsby, Jeffrey B Phillips, Jennifer Martin
Hypoxia-like incidents in-flight have increased over the past decade causing severe safety concerns across the aviation community. As a result, the need to monitor flight crews in real-time for the onset of hypoxic conditions is paramount for continued aeronautical safety. Here, hypoxic events were simulated in the laboratory via a reduced oxygen-breathing device to determine the effect of recovery gas oxygen concentration (21% and 100%) on exhaled breath volatile organic compound (VOC) composition. Data from samples collected both serially (throughout the exposure), prior to, and following exposures yielded 326 statistically significant features, 203 of which were unique...
October 11, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/29016878/automatic-remote-monitoring-utilizing-daily-transmissions-transmission-reliability-and-implantable-cardioverter-defibrillator-battery-longevity-in-the-trust-trial
#17
Niraj Varma, Charles J Love, Robert Schweikert, Philip Moll, Justin Michalski, Andrew E Epstein
Aims: Benefits of automatic remote home monitoring (HM) among implantable cardioverter defibrillator (ICD) patients may require high transmission frequency. However, transmission reliability and effects on battery longevity remain uncertain. We hypothesized that HM would have high transmission success permitting punctual guideline based follow-up, and improve battery longevity. This was tested in the prospective randomized TRUST trial. Methods and results: Implantable cardioverter defibrillator patients were randomized post-implant 2:1 to HM (n = 908) (transmit daily) or to Conventional in-person monitoring [conventional management (CM), n = 431 (HM disabled)]...
May 10, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28994782/continuous-instream-monitoring-of-nutrients-and-sediment-in-agricultural-watersheds
#18
Niroj Aryal, Michele L Reba
Pollutant concentrations and loads in watersheds vary considerably with time and space. Accurate and timely information on the magnitude of pollutants in water resources is a prerequisite for understanding the drivers of the pollutant loads and for making informed water resource management decisions. The commonly used "grab sampling" method provides the concentrations of pollutants at the time of sampling (i.e., a snapshot concentration) and may under- or overpredict the pollutant concentrations and loads. Continuous monitoring of nutrients and sediment has recently received more attention due to advances in computing, sensing technology, and storage devices...
September 26, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28992220/blood-pressure-and-arterial-stiffness-in-kenyan-adolescents-with-the-sickle-cell-trait
#19
Anthony O Etyang, Christopher K Wandabwa, Sailoki Kapesa, Esther Muthumbi, Emily Odipo, Marylene Wamukoya, Nicholas Ngomi, Tilahun Haregu, Catherine Kyobutungi, Thomas N Williams, Johnstone Makale, Alex Macharia, J Kennedy Cruickshank, Liam Smeeth, J Anthony G Scott
The potential association between sickle cell trait (SCT) and increased arterial stiffness/blood pressure (BP) has not been evaluated in detail despite its association with stroke, sudden death and renal disease. We performed 24-hour ambulatory BP monitoring and arterial stiffness measurements in adolescents raised in a malaria free environment in Kenya.Between December 2015 and June 2016, 938 randomly selected adolescents that had been continuous residents of Nairobi from birth were invited to participate in the study...
June 12, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28991612/long-term-safety-follow-up-of-an-anterior-chamber-angle-supported-phakic-intraocular-lens
#20
Thomas Kohnen, Laura LaFontaine, Russell Andrew
PURPOSE: To report adverse device effects and annualized endothelial cell loss rate for up to 10 years after implantation of the Acrysof L-series Cachet phakic intraocular lens (pIOL). SETTING: Clinical centers in the United States, European Union, and Canada. DESIGN: Nonrandomized clinical trial. METHODS: After implantation of the pIOL, the endothelial cell density (ECD) at follow-up evaluations was compared with the 6-month postoperative baseline...
September 2017: Journal of Cataract and Refractive Surgery
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