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https://www.readbyqxmd.com/read/30286819/cardiovascular-parameters-associated-with-troponin-i-as-indicators-for-14-day-mortality-in-patients-with-septic-shock
#1
Wen-Lin Su, Hao-Ai Shui, Chou-Chin Lan, Mei-Chen Yang, Chien-An Hsieh, Shih-Jung Jang, Hsueh-Wen Chung, Yao-Kuang Wu
BACKGROUND: Troponin I is better than other troponin isoforms for monitoring cardiocyte damage, and correlates with sepsis-related mortality. However, hemodynamic factors possibly interact with cardiac function to affect mortality in sepsis. Thus, this study used parameters from pulse-induced contour cardiac output (PiCCO) to investigate the possibility. METHODS: Patients with troponin I tests and sequential organ failure assessment score ≥2 were selected and divided into survivors and nonsurvivors groups and blood troponin I levels between them were compared...
September 2018: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/30253230/comparison-of-manual-pulse-palpation-cardiac-ultrasonography-and-doppler-ultrasonography-to-check-the-pulse-in-cardiopulmonary-arrest-patients
#2
Suat Zengin, Hasan Gümüşboğa, Mustafa Sabak, Şevki Hakan Eren, Gokhan Altunbas, Behçet Al
OBJECTIVE: For health professionals, the absence of pulse checked by manual palpation is a primary indicator for initiating chest compressions in patients considered to have cardiopulmonary arrest (CA). However, using a pulse check to evaluate perfusion during CA may be associated with some risks of its own. Our objective was to compare the efficiency of cardiac ultrasonography (CUSG), Doppler ultrasonography (DUSG), and manual pulse palpation methods to check the pulse in CA patients...
September 22, 2018: Resuscitation
https://www.readbyqxmd.com/read/30192687/feasibility-of-out-of-hospital-cardiac-arrest-ultrasound-by-ems-physicians
#3
James B Fitzgibbon, Emily Lovallo, Jeremiah Escajeda, Marek A Radomski, Christian Martin-Gill
INTRODUCTION: Point-of-care ultrasound (POCUS) has been suggested as a useful tool to predict survival and guide interventions in out-of-hospital cardiac arrest (OHCA). While POCUS has been deployed in prehospital settings, little data exists on prehospital use, particularly by personnel with limited ultrasound experience. We aimed to characterize the feasibility and barriers to prehospital POCUS during OHCA by EMS physicians in training. METHODS: We deployed the SonoSite iViz portable ultrasound device for use by EMS physicians for OHCA in an urban EMS system...
September 7, 2018: Prehospital Emergency Care
https://www.readbyqxmd.com/read/30184824/electrochemical-sensing-of-cholesterol-by-molecularly-imprinted-polymer-of-silylated-graphene-oxide-and-chemically-modified-nanocellulose-polymer
#4
T S Anirudhan, J R Deepa, Binussreejayan
Silylated Graphene oxide-grafted-chemically modified nanocellulose (Si-GO-g-CMNC) is fabricated for selective sensing of Cholesterol. Zinc oxide (ZnO) incorporated in chemically modified nanocellulose (CMNC) for enhancing the conducting nature. The sensitivity of sensor was checked by modifying the glassy carbon electrode surface (GCE) with Si-GO-g-CMNC and the electro chemical studies were conducted with cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The physical and electrical properties of the sensor were analyzed by FTIR, Raman Spectroscopy, XRD, SEM, EDS and AFM techniques...
November 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/30177899/long-term-effects-of-tai-chi-intervention-on-sleep-and-mental-health-of-female-individuals-with-dependence-on-amphetamine-type-stimulants
#5
Dong Zhu, Guobin Dai, Ding Xu, Xin Xu, Jingjing Geng, Weimo Zhu, Xi Jiang, Marc Theeboom
Previous studies provide evidence that Tai Chi (TC) can reduce the symptoms of sleep problems and be of benefit for the rehabilitation of substance abusers. In this study, we investigated if TC practice can improve sleep quality and mood of females who are dependent on amphetamine-type stimulant (ATS). Eighty subjects were randomly assigned to TC intervention and standard care (SC) for 6 months. We applied analysis of variance on repeated-measure with the year of drug dependence as the covariate to test the changes of the self-rated Pittsburg Sleep Quality Index (PSQI), Self-Rating Depression Scale (SDS), as well as fitness after 3 and 6 months...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/30169537/using-imaging-photoplethysmography-for-heart-rate-estimation-in-non-human-primates
#6
Anton M Unakafov, Sebastian Möller, Igor Kagan, Alexander Gail, Stefan Treue, Fred Wolf
For humans and for non-human primates heart rate is a reliable indicator of an individual's current physiological state, with applications ranging from health checks to experimental studies of cognitive and emotional state. In humans, changes in the optical properties of the skin tissue correlated with cardiac cycles (imaging photoplethysmogram, iPPG) allow non-contact estimation of heart rate by its proxy, pulse rate. Yet, there is no established simple and non-invasive technique for pulse rate measurements in awake and behaving animals...
2018: PloS One
https://www.readbyqxmd.com/read/30157771/the-influence-of-various-distractions-prior-to-upper-gastrointestinal-endoscopy-a-prospective-randomized-controlled-study
#7
Masahiro Sogabe, Toshiya Okahisa, Yuka Adachi, Masanori Takehara, Shinichi Hamada, Jun Okazaki, Yasuteru Fujino, Akira Fukuya, Kaizo Kagemoto, Akihiro Hirao, Koichi Okamoto, Masahiko Nakasono, Tetsuji Takayama
BACKGROUND: Although many patients still have anxiety about upper gastrointestinal (GI) endoscopy, there have been few reports on the influence of distractions for a person who is going to undergo upper GI endoscopy soon. This study was a prospective randomized controlled study investigating the influence of distractions, such as auditive and visual distractions using subjective and objective assessments including autonomic nervous function prior to upper GI endoscopy. METHODS: 206 subjects who underwent upper GI endoscopy as regular health check-ups were divided randomly into 4 groups prior to upper GI endoscopy; group 1 (control group), group 2 (auditive group), group 3 (visual group), and group 4 (combination group)...
August 29, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/30151349/performance-evaluation-of-fuzzy-logic-and-bp-ann-methods-for-wedm-of-aeronautics-super-alloy
#8
Somvir Singh Nain, Parveen Sihag, Sunil Luthra
The main purpose of this research is to check the relative importance of methods fuzzy-logic and back-propagation neural network to evaluate the performance of wire electric discharge machine (WEDM) of aeronautics super alloy. It has been confirmed that BP-ANN method reveals significant result over the fuzzy logic method for the evaluation of surface roughness and waviness of the WEDM of aeronautic super alloy. On the basis of Taguchi analysis, it has been established that the variable pulse-on, interaction amid the pulse-on and pulse-off time, wire tension and spark-gap voltage have a superlative influence on the surface roughness...
2018: MethodsX
https://www.readbyqxmd.com/read/30144961/is-screening-for-atrial-fibrillation-in-canadian-family-practices-cost-effective-in-patients-65-years-and-older
#9
Jean-Eric Tarride, F Russell Quinn, Gord Blackhouse, Roopinder K Sandhu, Natasha Burke, David J Gladstone, Noah M Ivers, Lisa Dolovich, Andrea Thornton, Juliet Nakamya, Chinthanie Ramasundarahettige, Paul A Frydrych, Sam Henein, Ken Ng, Valerie Congdon, Richard V Birtwhistle, Richard Ward, Jeffrey S Healey
We present an economic evaluation of a recently completed cohort study in which 2054 seniors were screened for atrial fibrillation (AF) in 22 Canadian family practices. Using a Markov model, trial and literature data were used to project long-term outcomes and costs associated with 4 AF screening strategies for individuals aged 65 years or older: no screening, screen with 30-second radial manual pulse check (pulse check), screen with a blood pressure machine with AF detection (BP-AF), and screen with a single-lead electrocardiogram (SL-ECG)...
June 21, 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/30130871/35-88-attenuation-lengths-and-3-32-bits-photon-underwater-optical-wireless-communication-based-on-photon-counting-receiver-with-256-ppm
#10
Siqi Hu, Le Mi, Tianhua Zhou, Weibiao Chen
We designed a photon-counting receiver system for long-distance underwater wireless laser communication at different code rate Reed-Solomon (RS) and low-density parity check (LDPC) codes. The symbol error rate (SER) performance of the LDPC and RS codes with different signal-to-noise ratios was analyzed. The effects of the background noise, pulse stretching, and frame synchronization were considered in our receiver system. A water tank experiment confirmed that the 1/2-code-rate RS (255,127) is an excellent coding strategy for communication distances in the range of 90-130 m in Jerlov II water...
August 20, 2018: Optics Express
https://www.readbyqxmd.com/read/30129619/detection-of-micro-toxic-elements-in-commercial-coffee-brands-using-optimized-dual-pulsed-laser-induced-spectral-analysis-spectrometry
#11
Ahmed Asaad I Khalil, Osama A Labib
A fast detection system based on dual-pulsed laser-induced breakdown spectroscopy (DP-LIBS) was successfully developed and optimized for the estimation of micro-toxic element contents in commercial coffee brands to monitor pollution and ensure food safety. A series of 13 various coffee brands were quantitatively analyzed in this study utilizing DP-LIBS and a standard analytical technique like inductively coupled plasma/optical emission spectrometry (ICP-OES). The micro-toxic elements, such as aluminum (Al), lead (Pb), zinc (Zn), and chromium (Cr), that exist in the coffee brands were exactly identified...
August 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/30081406/the-effects-of-vitamin-d-supplementation-on-markers-related-to-endothelial-function-among-patients-with-metabolic-syndrome-and-related-disorders-a-systematic-review-and-meta-analysis-of-clinical-trials
#12
Reza Tabrizi, Sina Vakili, Kamran B Lankarani, Maryam Akbari, Mehri Jamilian, Zahra Mahdizadeh, Naghmeh Mirhosseini, Zatollah Asemi
This systematic review and meta-analysis of randomized controlled trials (RCTs) were conducted to summarize the effect of vitamin D supplementation on endothelial function among people with metabolic syndrome and related disorders. Cochrane library, Embase, PubMed, and Web of Science database were searched to identify related RCTs published up 20th May 2018. To check heterogeneity a Q-test and I2 statistics were used. Data were pooled by using the random-effect model and standardized mean difference (SMD) was considered as summary effect size...
August 2018: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/30072410/diagnostic-accuracy-and-yield-of-screening-tests-for-atrial-fibrillation-in-the-family-practice-setting-a-multicentre-cohort-study
#13
F Russell Quinn, David J Gladstone, Noah M Ivers, Roopinder K Sandhu, Lisa Dolovich, Andrea Ling, Juliet Nakamya, Chinthanie Ramasundarahettige, Paul A Frydrych, Sam Henein, Ken Ng, Valerie Congdon, Richard V Birtwhistle, Richard Ward, Jeffrey S Healey
BACKGROUND: Detection of undiagnosed or undertreated ("actionable") atrial fibrillation could increase the use of appropriate oral anticoagulant therapy and reduce the risk of stroke. We sought to compare newer screening technologies with a pulse-check for the detection of atrial fibrillation and to determine whether the detection of actionable atrial fibrillation increases the use of oral anticoagulant agents. METHODS: This prospective multicentre cohort study involved 22 primary care clinics...
July 2018: CMAJ Open
https://www.readbyqxmd.com/read/30051076/60-seconds-to-survival-a-multisite-study-of-a-screen-based-simulation-to-improve-prehospital-providers-disaster-triage-skills
#14
Mark X Cicero, Travis Whitfill, Barbara Walsh, Maria Carmen Diaz, Grace Arteaga, Daniel J Scherzer, Scott Goldberg, Manu Madhok, Angela Bowen, Geno Paesano, Michael Redlener, Kevin Munjal, David Kessler, Marc Auerbach
Objectives: Paramedics and emergency medical technicians (EMTs) perform triage at disaster sites. There is a need for disaster triage training. Live simulation training is costly and difficult to deliver. Screen-based simulations may overcome these training barriers. We hypothesized that a screen-based simulation, 60 Seconds to Survival (60S), would be associated with in-game improvements in triage accuracy. Methods: This was a prospective cohort study of a screen-based simulation intervention, 60S...
April 2018: AEM education and training
https://www.readbyqxmd.com/read/30037136/design-and-development-of-a-5-channel-arduino-based-data-acquisition-system-abdas-for-experimental-aerodynamics-research
#15
Antonio Vidal-Pardo, Santiago Pindado
In this work, a new and low-cost Arduino-Based Data Acquisition System (ABDAS) for use in an aerodynamics lab is developed. Its design is simple and reliable. The accuracy of the system has been checked by being directly compared with a commercial and high accuracy level hardware from National Instruments. Furthermore, ABDAS has been compared to the accredited calibration system in the IDR/UPM Institute, its measurements during this testing campaign being used to analyzed two different cup anemometer frequency determination procedures: counting pulses and the Fourier transform...
July 22, 2018: Sensors
https://www.readbyqxmd.com/read/30035383/ventricular-wall-stress-and-silent-myocardial-damage-are-associated-with-pulse-pressure-in-the-general-population
#16
Tetsuya Takahashi, Tetsuro Shishido, Ken Watanabe, Takayuki Sugai, Taku Toshima, Daisuke Kinoshita, Miyuki Yokoyama, Harutoshi Tamura, Satoshi Nishiyama, Hiroki Takahashi, Takanori Arimoto, Takuya Miyamoto, Tetsu Watanabe, Yoko Shibata, Tsuneo Konta, Yoshiyuki Ueno, Takeo Kato, Takamasa Kayama, Isao Kubota, Masafumi Watanabe
Pulse pressure (PP) is a risk factor for cardiovascular diseases and is associated with increased afterload and myocardial oxygen demand. Brain natriuretic peptide (BNP) and heart-type fatty acid-binding protein (H-FABP) are known as biomarkers indicating ventricular wall stress and silent myocardial damage. However, the association between PP and ventricular wall stress and silent myocardial damage in the general population is unclear. The authors enrolled 3504 patients who participated in a community-based annual health check...
September 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/30010451/the-prognosis-of-infants-with-neonatal-respiratory-inhibition-syndrome
#17
Hideki Minowa, Kumiko Takagi, Ikuyo Arai, Hajime Yasuhara, Reiko Ebisu, Ayako Ohgitani
OBJECTIVE: The goal of this study was to investigate the prognosis of infants with neonatal respiratory inhibition syndrome (NRIS). METHODS: Infants with a gestational age of at least 36 weeks and a birth weight of at least 2000 g who were born at Nara Prefecture General Medical Center, in Nara, Japan, between March 2013 and June 2016 were screened for NRIS using our established method. NRIS was defined as severe hypoxemia caused by respiratory inhibition immediately after crying (RIAC) or gastroesophageal reflux (RIGER) or as a respiratory pause during feeding (feeding hypoxemia), accompanied clinically by central cyanosis and a decrease in SpO2 to less than 70%...
September 6, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29991156/a-study-on-the-characteristics-of-mobile-x-ray-device-using-supercapacitor-as-internal-power
#18
Young-Pyo Kim, Yong-Pil Park, Min-Woo Cheon
Mobile X-ray device is widely employed because it is useful for diagnosis in patients having mobility difficulties and in medical emergencies. As various devices for X-ray generation have continued to be developed, X-ray devices can now be used more safely and effectively. However, mobile X-ray devices generate relatively low X-ray doses due to the limitation of the power input. Therefore, the use of mobile X-ray devices is limited to thin parts of body. In this study, a new device was designed in order to increase the usefulness of mobile X-ray devices by offsetting the weaknesses of the existing mobile X-ray devices, rendering them useable independently...
2018: Journal of X-ray Science and Technology
https://www.readbyqxmd.com/read/29960581/integration-of-fiber-bragg-grating-temperature-sensors-in-plasma-facing-components-of-the-west-tokamak
#19
Y Corre, G Laffont, C Pocheau, R Cotillard, J Gaspar, N Roussel, M Firdaouss, J-L Gardarein, D Guilhem, M Missirlian
Plasma Facing Components (PFC) temperature measurement is mandatory to ensure safe high power and long pulse tokamak operation. IR thermography systems which are widely used in magnetic fusions devices become challenged with the choice of tungsten as a PFC material in the ITER tokamak, mainly due to emissivity uncertainties and reflection issues in a hot environment. Embedded temperature measurements are foreseen to cross-check the IR thermography measurements. Fiber Bragg grating sensors are potentially of great interest for this application because they are immune to electromagnetic interference and allow the measurement of a large number of temperature spots on a single fiber...
June 2018: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29944428/mitigating-the-damaging-effects-of-tissue-distortions-by-using-a-low-friction-heel-protector
#20
Alison Schofield
This article reports the finding of a small non-controlled evaluation over a 2-week period in three different care settings: a residential care home, an acute stroke unit and a community intermediate care hospital. At initial recruitment 30 patients were identified by clinical assessment as being at high risk of developing a heel pressure ulcer. Further inclusion criteria were identifying heels that had signs of pressure damage occurring, blanching and non-blanching erythema, blistering and category 2 ulceration...
June 27, 2018: British Journal of Nursing: BJN
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