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Static Compliance

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https://www.readbyqxmd.com/read/29757996/design-of-a-low-power-small-area-aec-q100-compliant-sent-transmitter-in-signal-conditioning-ic-for-automotive-pressure-and-temperature-complex-sensors-in-180-nm-cmos-technology
#1
Imran Ali, Behnam Samadpoor Rikhan, Dong-Gyu Kim, Dong-Soo Lee, Muhammad Riaz Ur Rehman, Hamed Abbasizadeh, Muhammad Asif, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
In this paper, a low-power and small-area Single Edge Nibble Transmission (SENT) transmitter design is proposed for automotive pressure and temperature complex sensor applications. To reduce the cost and size of the hardware, the pressure and temperature information is processed with a single integrated circuit (IC) and transmitted at the same time to the electronic control unit (ECU) through SENT. Due to its digital nature, it is immune to noise, has reduced sensitivity to electromagnetic interference (EMI), and generates low EMI...
May 14, 2018: Sensors
https://www.readbyqxmd.com/read/29745251/amd3100-ameliorates-cigarette-smoke-induced-emphysema-like-manifestations-in-mice
#2
Daria Barwinska, Houssam Oueini, Christophe Poirier, Marjorie E Albrecht, Natalia V Bogatcheva, Matthew J Justice, Jacob Saliba, Kelly S Schweitzer, Hal E Broxmeyer, Keith L March, Irina Petrache
We have shown that cigarette smoke (CS)-induced pulmonary emphysema-like manifestations are preceded by marked suppression of the number and function of bone marrow hematopoietic progenitor cells (HPC). To investigate if a limited availability of HPC may contribute to CS-induced lung injury, we used an FDA-approved antagonist of the interactions of SDF-1 with its receptor CXCR4 to promote intermittent HPC mobilization and tested its ability to limit emphysema-like injury following chronic CS. We administered AMD3100 (5mg/kg) to mice during a chronic CS exposure protocol of up to 24 weeks...
May 10, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29731780/lung-mesenchymal-stem-cells-ameliorate-elastase-induced-damage-in-an-animal-model-of-emphysema
#3
Donato Cappetta, Antonella De Angelis, Giuseppe Spaziano, Gioia Tartaglione, Elena Piegari, Grazia Esposito, Loreta Pia Ciuffreda, Angela Liparulo, Manuela Sgambato, Teresa Palmira Russo, Francesco Rossi, Liberato Berrino, Konrad Urbanek, Bruno D'Agostino
Pulmonary emphysema is a respiratory condition characterized by alveolar destruction that leads to airflow limitation and reduced lung function. Although with extensive research, the pathophysiology of emphysema is poorly understood and effective treatments are still missing. Evidence suggests that mesenchymal stem cells (MSCs) possess the ability to engraft the injured tissues and induce repair via a paracrine effect. Thus, the aim of this study was to test the effects of the intratracheal administration of lung-derived mouse MSCs in a model of elastase-induced emphysema...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29730892/activation-of-p70s6-kinase-1-in-mesenchymal-stem-cells-is-essential-to-lung-tissue-repair
#4
Katsuyuki Takeda, Fangkun Ning, Joanne Domenico, Masakazu Okamoto, Shigeru Ashino, Sang-Ha Kim, Yi Yeong Jeong, Yoshiki Shiraishi, Naohiro Terada, Everett Rand Sutherland, Erwin W Gelfand
All-trans retinoic acid (ATRA) or mesenchymal stem cells (MSCs) have been shown to promote lung tissue regeneration in animal models of emphysema. However, the reparative effects of the combination of the two and the role of p70S6 kinase-1 (p70S6k1) activation in the repair process have not been defined. Twenty-one days after intratracheal instillation of porcine pancreatic elastase (PPE), MSC and/or 10 days of ATRA treatment was initiated. Thirty-two days later, static lung compliance (Cst), mean linear intercepts (MLIs), and alveolar surface area (S) were measured...
May 5, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29721820/hypothermic-total-liquid-ventilation-after-experimental-aspiration-associated-acute-respiratory-distress-syndrome
#5
Jérôme Rambaud, Fanny Lidouren, Michaël Sage, Matthias Kohlhauer, Mathieu Nadeau, Étienne Fortin-Pellerin, Philippe Micheau, Luca Zilberstein, Nicolas Mongardon, Jean-Damien Ricard, Megumi Terada, Patrick Bruneval, Alain Berdeaux, Bijan Ghaleh, Hervé Walti, Renaud Tissier
BACKGROUND: Ultrafast cooling by total liquid ventilation (TLV) provides potent cardio- and neuroprotection after experimental cardiac arrest. However, this was evaluated in animals with no initial lung injury, whereas out-of-hospital cardiac arrest is frequently associated with early-onset pneumonia, which may lead to acute respiratory distress syndrome (ARDS). Here, our objective was to determine whether hypothermic TLV could be safe or even beneficial in an aspiration-associated ARDS animal model...
May 2, 2018: Annals of Intensive Care
https://www.readbyqxmd.com/read/29688788/respiratory-effects-of-low-versus-high-tidal-volume-with-or-without-positive-end-expiratory-pressure-in-anesthetized-dogs-with-healthy-lungs
#6
Valentina De Monte, Antonello Bufalari, Salvatore Grasso, Fabienne Ferrulli, Alberto Maria Crovace, Luca Lacitignola, Francesco Staffieri
OBJECTIVE To evaluate the impact of 2 tidal volumes (TV s) with or without positive end-expiratory pressure (PEEP) on lung mechanics, aeration, and gas exchange in healthy anesthetized dogs. ANIMALS 40 mixed-breed dogs with healthy lungs. PROCEDURES Anesthetized dogs were randomly assigned to 4 groups (n = 10/group) with different ventilatory settings: TV of 8 mL/kg and PEEP of 0 cm H2 O (low TV group), TV of 8 mL/kg and PEEP of 5 cm H2 O (low TV plus PEEP group), TV of 15 mL/kg and PEEP of 0 cm H2 O (high TV group), or TV of 15 mL/kg and PEEP of 5 cm H2 O (high TV plus PEEP group)...
May 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29680914/the-potential-public-health-impact-of-herpes-zoster-vaccination-of-people-aged-%C3%A2-50-years-in-japan-results-of-a-markov-model-analysis
#7
Daisuke Watanabe, Akiko Mizukami, Katsiaryna Holl, Desmond Curran, Desirée Van Oorschot, Lijoy Varghese, Makoto Shiragami
INTRODUCTION: The aim of this study was to compare the public health impact of introducing two herpes zoster (HZ) vaccines into the vaccination programs for the Japanese population aged ≥ 50 years: a single-dose Varicella Vaccine Live (VVL) or a two-dose adjuvanted Recombinant Zoster Vaccine (RZV). METHODS: A multi-cohort static Markov model was developed to follow age cohorts (50-59, 60-69, 70-79 and ≥ 80 years) over their remaining lifetime. Japan-specific data inputs for the model were obtained from Japanese data sources...
April 21, 2018: Dermatology and Therapy
https://www.readbyqxmd.com/read/29669704/incorporating-a-static-versus-supportive-mobile-phone-app-into-a-partial-meal-replacement-program-with-face-to-face-support-randomized-controlled-trial
#8
Emily Brindal, Gilly A Hendrie, Jill Freyne, Manny Noakes
BACKGROUND: Mobile phone apps may be acceptable to users and could improve retention and adherence over more traditional methods, but there is mixed literature supporting their efficacy. In the weight management space, very little is known about how a mobile phone app integrating features beyond text messaging (short message service) can affect behavior, particularly when combined with face-to-face support. OBJECTIVE: The objective of this study was to examine the effectiveness of a mobile phone app when combined with a partial meal replacement program including face-to-face support...
April 18, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29667119/a-novel-neural-electrode-with-micro-motion-attenuation-capability-based-on-compliant-mechanisms-physical-design-concepts-and-evaluations
#9
Wenguang Zhang, Jiaqi Tang, Zhengwei Li, Yakun Ma
In order to solve the problem of the short lifespan of the neural electrode caused by micro motion, this study designed a novel neural electrode based on lumped compliance compliant mechanism to control different modes of micro-motion in a more effective way. According to the mathematical modeling of the novel neural electrode, the equivalent bending stiffness and equivalent tensile (compression) stiffness were calculated. The results of the finite element analysis based on the mathematical modeling revealed that the novel neural electrode showed excellent micro-motion-attenuation capability...
April 18, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29643516/-preliminary-study-of-robot-assisted-ankle-rehabilitation-for-children-with-cerebral-palsy
#10
R L Wang, Z H Zhou, Y C Xi, Q N Wang, N H Wang, Z Huang
OBJECTIVE: To propose a kind of robotic ankle-foot rehabilitation system for children with cerebral palsy and to preliminarily verify its feasibility in clinical application. METHODS: A robot assisted ankle-foot rehabilitation system was specially designed and developed for children with cerebral palsy and a preliminary clinical study was conducted in Department of Rehabilitation Medicine, Peking University First Hospital. Modified Tardieu Scale and joint biomechanical properties (ankle plantar flexion resistance torque under different ankle dorsiflexion angles) were measured to analyze the muscle tone and soft tissue compliance of the ankle plantar flexors pre- and post-robotic training intervention...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29595561/dynamics-of-endotoxin-inflammatory-variables-and-organ-dysfunction-after-treatment-with-antibiotics-in-an-escherichia-coli-porcine-intensive-care-sepsis-model
#11
Paul Skorup, Lisa Maudsdotter, Eva Tano, Miklós Lipcsey, Markus Castegren, Anders Larsson, Jan Sjölin
OBJECTIVES: To investigate the dynamics of antibiotic-induced endotoxin liberation and inflammatory response in vivo in a clinically relevant large animal intensive care sepsis model and whether the addition of an aminoglycoside to a β-lactam antibiotic affects these responses. DESIGN: Prospective, placebo-controlled interventional experimental study. SETTING: University research unit. SUBJECTS: Thirty-six healthy pigs administered Escherichia coli as a 3-hour infusion...
March 27, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29536664/low-cost-kinect-version-2-imaging-system-for-breath-hold-monitoring-and-gating-proof-of-concept-study-for-breast-cancer-vmat-radiotherapy
#12
David M Edmunds, Lone Gothard, Komel Khabra, Anna Kirby, Poonam Madhale, Helen McNair, David Roberts, K K Tang, Richard Symonds-Tayler, Fatemeh Tahavori, Kevin Wells, Ellen Donovan
Voluntary inspiration breath hold (VIBH) for left breast cancer patients has been shown to be a safe and effective method of reducing radiation dose to the heart. Currently, VIBH protocol compliance is monitored visually. In this work, we establish whether it is possible to gate the delivery of radiation from an Elekta linac using the Microsoft Kinect version 2 (Kinect v2) depth sensor to measure a patient breathing signal. This would allow contactless monitoring during VMAT treatment, as an alternative to equipment-assisted methods such as active breathing control (ABC)...
March 13, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29519283/-effect-of-lateral-position-ventilation-combined-with-vibration-sputum-drainage-on-patients-with-acute-respiratory-distress-syndrome-a-prospective-randomized-controlled-trial
#13
Lingchen Kong, Jianzhong Li, Peng Wu, Jianhua Xu, Honglei Li, Haifei Long, Pan Liu, Fangfang Wei, Wenhong Peng
OBJECTIVE: To investigate the curative effect of lateral position ventilation combined with vibration sputum drainage on the patients with acute respiratory distress syndrome (ARDS). METHODS: A prospective randomized controlled trial was conducted. The patients with ARDS undergoing mechanical ventilation (MV) admitted to intensive care unit (ICU) of Linyi Central Hospital from January 2013 to June 2017 were enrolled, and they were divided into simple ventilation group and combined treatment group according to random number table...
March 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29515461/bone-marrow-derived-mononuclear-cell-therapy-in-papain-induced-experimental-pulmonary-emphysema
#14
Mariana N Machado, Flavia Mazzoli-Rocha, Natália V Casquilho, Tatiana Maron-Gutierrez, Victor H Ortenzi, Marcelo M Morales, Rodrigo S Fortunato, Walter A Zin
Murine papain-induced emphysema is a model that reproduces many of the features found in patients. Bone marrow-derived mononuclear cells (BMMC) have already been used to repair the alveolar epithelium in respiratory diseases, but not in the papain model. Thus, we hypothesized that BMMC could prevent the pathophysiological processes in papain-induced experimental emphysema. Female BALB/c mice received intratracheal instillation of 50 μL of saline (S groups) or papain (P groups, 10 IU/50 μl of saline) on days 1 and 7 of the experimental protocol...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29497755/exploring-treatment-fidelity-in-persons-with-aphasia-autonomously-practicing-with-computerized-therapy-materials
#15
Angel L Ball, Michael de Riesthal, Richard D Steele
Purpose: Current computer technologies permit independent practice for people with cognitive-communicative disorders. Previous research has investigated compliance rates and outcome changes but not treatment fidelity per se during practice. Our aim was to examine adherence to procedures (treatment fidelity) and accuracy while persons with aphasia independently practiced word production using interactive, multimodal, user-controlled, word-level icons on computers. Method: Four persons with aphasia independently practiced single-word production after stimulation via user-initiated interactions in 3 conditions: (I) auditory stimulus with static representational drawing; (II) auditory stimulus with synchronized articulation video; and (III) users' choice between the 2 prior conditions...
March 1, 2018: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/29495180/-the-role-of-acoustic-impedance-test-in-the-diagnosis-for-occupational-noise-induced-deafness
#16
H Chen, L J Xue, A C Yang, X Y Liang, Z Q Chen, Q L Zheng
Objective: To investigate the characteristics of acoustic impedance test and its diagnostic role for occupational noise induced deafness, in order to provide an objective basis for the differential diagnosis of occupational noise induced deafness. Methods: A retrospective study was conducted to investigate the cases on the diagnosis of occupational noise-induced deafness in Guangdong province hospital for occupational disease prevention and treatment from January 2016 to January 2017. A total of 198 cases (396 ears) were divided into occupation disease group and non occupation disease group based on the diagnostic criteria of occupational noise deafness in 2014 edition, acoustic conductivity test results of two groups were compared including tympanograms types, external auditory canal volume, tympanic pressure, static compliance and slope...
January 20, 2018: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29477233/-behaviour-of-stroke-volume-variation-in-hemodynamic-stable-patients-during-thoracic-surgery-with-one-lung-ventilation-periods
#17
María Lema Tome, Francisco Andrés De la Gala, Patricia Piñeiro, Luis Olmedilla, Ignacio Garutti
INTRODUCTION: In last few years, emphasis was placed in goal-directed therapy in order to optimize patient's hemodynamic status and improve their prognosis. Parameters based on the interaction between heart and lungs have been questioned in situations like low tidal volume and open chest surgery. The goal of the study was to analyze the changes that one-lung ventilation can produce over stroke volume variation and to assess the possible impact of airway pressures and lung compliance over stroke volume variation...
May 2018: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/29473666/validation-of-a-dynamic-joint-contracture-measuring-device-in-a-live-rabbit-model-of-arthrofibrosis
#18
Nicolas Reina, William H Trousdale, Christopher G Salib, Loribeth Q Evertz, Lawrence J Berglund, Andre J van Wijnen, Timothy E Hewett, Charlotte E Berry, Daniel J Berry, Mark E Morrey, Joaquin Sanchez-Sotelo, Matthew P Abdel
The current method of measuring arthrofibrosis in live rabbits is critically limited. Specifically, this method involves radioactive fluoroscopy, error-prone goniometric measurements, and static joint angle outcomes that fail to approximate the compliance of tissues surrounding the joint. This study aims to validate a novel method of capturing the compliance of contracted tissues surrounding the joint without the use of fluoroscopy or animal sacrifice. Surgically induced contractures of one-hundred and eight rabbits were measured using the current standard of contracture measurement (a pulley system) as well as a newly designed dynamic load cell (DLC) device...
February 23, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29466698/erk1-2-mtor-stat3-pathway-mediated-autophagy-alleviates-traumatic-brain-injury-induced-acute-lung-injury
#19
Xiupeng Xu, Tongle Zhi, Honglu Chao, Kuan Jiang, Yinlong Liu, Zhongyuan Bao, Liang Fan, Dong Wang, Zheng Li, Ning Liu, Jing Ji
Acute lung injury (ALI) is one of several complications in patients with traumatic brain injury (TBI). Autophagy is a primary homeostatic process that promotes cell survival under stress. Accumulating evidence implicates autophagy in the pathogenesis of ALI under various conditions. However, the role of autophagy in TBI-induced ALI remains unknown. The aim of this study was to adjust autophagy with pharmacological agents to determine its functional significance in TBI-induced ALI. Rats were preconditioned with autophagy promoter rapamycin or inhibitor 3-methyladenine before they were challenged with TBI...
May 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29430405/respiratory-mechanics-ventilator-associated-pneumonia-and-outcomes-in-intensive-care-unit
#20
Kelser de Souza Kock, Rosemeri Maurici
AIM: To evaluate the predictive capability of respiratory mechanics for the development of ventilator-associated pneumonia (VAP) and mortality in the intensive care unit (ICU) of a hospital in southern Brazil. METHODS: A cohort study was conducted between, involving a sample of 120 individuals. Static measurements of compliance and resistance of the respiratory system in pressure-controlled ventilation (PCV) and volume-controlled ventilation (VCV) modes in the 1st and 5th days of hospitalization were performed to monitor respiratory mechanics...
February 4, 2018: World Journal of Critical Care Medicine
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