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https://www.readbyqxmd.com/read/29352361/the-modified-ravitch-approach-for-the-management-of-severe-anterior-flail-chest-with-bilateral-sternochondral-dislocations-a-case-report
#1
Gabriel Estremera, Ellen Chieko Omi, Eduardo Smith-Singares
The management of flail chest continues to evolve as scientific evidence and surgical experience accumulates. Flail chest injuries that span the sternum present a rare and complicated injury pattern that can be challenging to manage both medically and surgically. Our patient is a 69-year-old involved in a high-speed motor vehicle crash with respiratory failure secondary to an anterior flail chest. Tomographic examination confirmed a sternal fracture with bilateral sternochondral dislocations and multiple rib fractures...
January 19, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29352273/binder-free-sheet-type-all-solid-state-batteries-with-enhanced-rate-capabilities-and-high-energy-densities
#2
Mari Yamamoto, Yoshihiro Terauchi, Atsushi Sakuda, Masanari Takahashi
All-solid-state batteries using inorganic solid electrolytes are considered promising energy storage systems because of their safety and long life. Stackable and compact sheet-type all-solid-state batteries are urgently needed for industrial applications such as smart grids and electric vehicles. A binder is usually indispensable to the construction of sheet-type batteries; however, it can decrease the power and cycle performance of the battery. Here we report the first fabrication of a binder-free sheet-type battery...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351929/prevalence-of-invehicle-smoking-and-secondhand-smoke-exposure-in-uruguay
#3
Laura Llambi, Mary Barros, Carolina Parodi, Antonella Pippo, Virginia Nunez, Mercedes Colomar, Alvaro Ciganda, Fiorella Cavalleri, Juan J Goyeneche, Alicia Aleman
INTRODUCTION: Protection from secondhand smoke (SHS) is one of the fundamental principles of the WHO Framework Convention for Tobacco Control. Objective data on SHS exposure in vehicles in South America is scarce. This study aimed to estimate prevalence of smoking inside vehicles. METHODS: The point prevalence of smoking in vehicles was observed, and a method for estimating smoking prevalence was piloted. RESULTS: We observed 10 011 vehicles...
January 19, 2018: Tobacco Control
https://www.readbyqxmd.com/read/29351802/objectively-measured-active-transportation-to-school-and-other-destinations-among-10-13%C3%A2-year-olds
#4
Gillian C Williams, Michael M Borghese, Ian Janssen
BACKGROUND: Descriptive data on active transportation in children focuses on the trip to school and has relied on subjective reports. The purpose of this study was to use objective measures to describe total active transportation and active transportation to common destinations within children. METHODS: This was a descriptive study of 388 children aged 10-13 years from Kingston, Ontario, Canada. Participants wore a Garmin GPS watch during waking hours for seven days...
January 19, 2018: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/29351483/prenatal-exposure-to-diesel-exhaust-pm2-5-causes-offspring-%C3%AE-cell-dysfunction-in-adulthood
#5
Minjie Chen, Shuai Liang, Xiaobo Qin, Li Zhang, Lianglin Qiu, Sufang Chen, Ziying Hu, Yanyi Xu, Wanjun Wang, Yuhao Zhang, Qi Cao, Zhekang Ying
BACKGROUND: Environmental stressors that encounter in early-life and cause abnormal fetal and/or neonatal development may increase susceptibility to non-communicable diseases such as diabetes. Maternal exposure to ambient fine particulate matter (PM2.5) is associated with various fetal abnormalities, suggesting that it may program offspring's susceptibility to diabetes. In the present study, we therefore examined whether maternal exposure to diesel exhaust PM2.5 (DEP), one of the major sources of ambient PM2...
December 26, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29351466/telomerase-reverse-transcriptase-protects-against-angiotensin-ii-induced-microvascular-endothelial-dysfunction
#6
Karima Ait-Aissa, Andrew O Kadlec, Joseph Hockenberry, David D Gutterman, Andreas M Beyer
A rise in reactive oxygen species (ROS) may contribute to cardiovascular disease by reducing nitric oxide (NO) levels, leading to loss of NO's vasodilator and anti-inflammatory effects. Although primarily studied in the larger conduit arteries, excess ROS release and a corresponding loss of NO also occurs in the smaller resistance arteries of the microcirculation, but underlying mechanisms and therapeutic targets have not been fully characterized. We examined whether either of the two subunits of telomerase, telomerase reverse transcriptase (TERT) or telomerase RNA component (TERC), affect microvascular ROS production and peak vasodilation at baseline and in response to in vivo administration to angiotensin II (ANG II)...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351454/detrimental-effects-of-2-arachidonoylglycerol-on-whole-blood-platelet-aggregation-and-on-cerebral-blood-flow-after-a-focal-ischemic-insult-in-rats
#7
Jennifer A Shearer, Susan J Coker, Hilary Victoria Carswell Carswell
2-Arachidonoylglycerol (2-AG) is a major modulator of blood flow and platelet aggregation and a potential neuroprotectant. The present study investigated the effects of 2-AG on cerebral blood flow (CBF) in the first critical hours during middle cerebral artery occlusion (MCAO) and on platelet aggregation for the first time in rats. Adult male Sprague Dawley rats (n=30) underwent permanent MCAO under isoflurane anaesthesia and were randomly assigned to receive either 2-AG (6 mgkg-1, i.v.), monoacylglycerol lipase inhibitor JZL184 (10 mgkg-1, i...
January 5, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351423/role-of-trpv1-in-acupuncture-modulation-of-reflex-excitatory-cardiovascular-responses
#8
Zhi-Ling Guo, Liang-Wu Fu, Hou-Fen Su, Stephanie C Tjen-A-Looi, John C Longhurst
Acupuncture, including manual and electroacupuncture (MA and EA), at the P5-6 acupoints stimulates afferents in the median nerve (MN) to modulate sympathoexcitatory cardiovascular reflexes. Transient receptor potential vanilloid type-1 (TRPV1) is present in afferents distributed in the region of acupoints. However, contribution of TRPV1 to activation of sensory nerves by acupuncture, leading to modulation of pressor responses has not been studied. We hypothesized that TRPV1 participates in acupuncture's activation of sensory fibers and neurons to modulate pressor reflexes...
January 3, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29351404/type-2-diabetes-impairs-the-ability-of-skeletal-muscle-pericytes-to-augment-postischemic-neovascularization-in-db-db-mice
#9
Katherine L Hayes, Louis M Messina, Lawrence M Schwartz, Jinglian Yan, Amy S Burnside, Sarah Witkowski
Peripheral artery disease is an atherosclerotic occlusive disease that causes limb ischemia and has few effective non-interventional treatments. Stem cell therapy is promising, but concomitant diabetes may limit its effectiveness. We evaluated the therapeutic potential of skeletal muscle pericytes to augment postischemic neovascularization in wild type and type 2 diabetic (T2DM) mice. Wild type C57BL/6J and leptin receptor spontaneous mutation db/db T2DM mice underwent unilateral femoral artery excision to induce limb ischemia...
January 10, 2018: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29351316/dexmedetomidine-reduces-lipopolysaccharide-induced-neuroinflammation-sickness-behavior-and-anhedonia
#10
Ching-Hua Yeh, Liang-Po Hsieh, Ming-Chung Lin, Tsui-Shan Wei, Hui-Ching Lin, Chia-Cheng Chang, Chung-Hsi Hsing
BACKGROUND: Peripheral innate immune response may induce sickness behavior through activating microglia, excessive cytokines production, and neuroinflammation. Dexmedetomidine (Dex) has anti-inflammatory effect. We investigated the effects of Dex on lipopolysaccharide (LPS)-induced neuroinflammation and sickness behavior in mice. MATERIALS AND METHODS: BALB/c mice were intraperitoneally (i.p.) injected with Dex (50 ug/kg) or vehicle. One hour later, the mice were injected (i...
2018: PloS One
https://www.readbyqxmd.com/read/29351267/motorcycle-that-see-multifocal-stereo-vision-sensor-for-advanced-safety-systems-in-tilting-vehicles
#11
Gustavo Gil, Giovanni Savino, Simone Piantini, Marco Pierini
Advanced driver assistance systems, ADAS, have shown the possibility to anticipate crash accidents and effectively assist road users in critical traffic situations. This is not the case for motorcyclists, in fact ADAS for motorcycles are still barely developed. Our aim was to study a camera-based sensor for the application of preventive safety in tilting vehicles. We identified two road conflict situations for which automotive remote sensors installed in a tilting vehicle are likely to fail in the identification of critical obstacles...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351255/game-theoretical-design-of-an-adaptive-distributed-dissemination-protocol-for-vanets
#12
Cristhian Iza-Paredes, Ahmad Mohamad Mezher, Mónica Aguilar Igartua, Jordi Forné
Road safety applications envisaged for Vehicular Ad Hoc Networks (VANETs) depend largely on the dissemination of warning messages to deliver information to concerned vehicles. The intended applications, as well as some inherent VANET characteristics, make data dissemination an essential service and a challenging task in this kind of networks. This work lays out a decentralized stochastic solution for the data dissemination problem through two game-theoretical mechanisms. Given the non-stationarity induced by a highly dynamic topology, diverse network densities, and intermittent connectivity, a solution for the formulated game requires an adaptive procedure able to exploit the environment changes...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351229/joint-bearing-and-range-estimation-of-multiple-objects-from-time-frequency-analysis
#13
Jeng-Cheng Liu, Yuang-Tung Cheng, Hsien-Sen Hung
Direction-of-arrival (DOA) and range estimation is an important issue of sonar signal processing. In this paper, a novel approach using Hilbert-Huang transform (HHT) is proposed for joint bearing and range estimation of multiple targets based on a uniform linear array (ULA) of hydrophones. The structure of this ULA based on micro-electro-mechanical systems (MEMS) technology, and thus has attractive features of small size, high sensitivity and low cost, and is suitable for Autonomous Underwater Vehicle (AUV) operations...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351056/remediation-of-radiation-induced-cognitive-dysfunction-through-oral-administration-of-the-neuroprotective-compound-nsi-189
#14
Barrett Allen, Munjal M Acharya, Celine Lu, Erich Giedzinski, Nicole Chmielewski, David Quach, Mike Hefferan, Karl K Johe, Charles L Limoli
Clinical management of primary and secondary central nervous system (CNS) malignancies frequently includes radiotherapy to forestall tumor growth and recurrence after surgical resection. While cranial radiotherapy remains beneficial, adult and pediatric brain tumor survivors suffer from a wide range of debilitating and progressive cognitive deficits. Although this has been recognized as a significant problem for decades, there remains no clinical recourse for the unintended neurocognitive sequelae associated with these types of cancer treatments...
January 19, 2018: Radiation Research
https://www.readbyqxmd.com/read/29350377/melatonin-exhibits-supportive-effects-on-oxidants-and-anastomotic-healing-during-intestinal-ischemia-reperfusion-injury
#15
Namık Özkan, Ömer Faik Ersoy, Zeki Özsoy, Ebru Çakır
BACKGROUND: The aim of this study was to investigate the effects of melatonin on intestinal anastomosis after intestinal ischemia/ reperfusion injury (IRI). METHODS: Thirty Wistar albino rats of both sexes were divided into 3 groups: sham, control, and treatment. IRI was performed by clamping the superior mesenteric artery (SMA) for 30 minutes, followed by reperfusion. The sham rats received only manipulation of the SMA. Melatonin (10 mg/kg) was administered to the treatment group, and the control group was given a vehicle injection...
January 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29350366/health-results-of-a-coup-attempt-evaluation-of-all-patients-admitted-to-hospitals-in-istanbul-due-to-injuries-sustained-during-the-july-15-2016-coup-attempt
#16
İsmail Tayfur, Mustafa Ahmet Afacan, Mehmet Özgür Erdoğan, Şahin Çolak, Özgür Söğüt, Burcu Genç Yavuz, Korkut Bozan
BACKGROUND: A coup attempt against the government took place in Turkey on July 15, 2016. This attempt caused serious injuries and deaths in the country. In this study, the data of patients referred to all hospitals in Istanbul during the attempt were evaluated, and differences between natural disasters, other terrorist actions, and coup attempts were analyzed. METHODS: In total, 1104 patients were injured in the abovementioned coup attempt. In this study, the demographic and health information of 882 coup victims who were admitted to all hospitals (state and private) in Istanbul on July 15 and 16, 2016 and registered at the Crisis Center of Istanbul Provincial Health Directorate was analyzed...
January 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29350034/probing-the-complexities-of-structural-changes-in-layered-oxide-cathode-materials-for-li-ion-batteries-during-fast-charge-discharge-cycling-and-heating
#17
Enyuan Hu, Xuelong Wang, Xiqian Yu, Xiao-Qing Yang
The rechargeable lithium-ion battery (LIB) is the most promising energy storage system to power electric vehicles with high energy density and long cycling life. However, in order to meet customers' demands for fast charging, the power performances of current LIBs need to be improved. From the cathode aspect, layer-structured cathode materials are widely used in today's market and will continue to play important roles in the near future. The high rate capability of layered cathode materials during charging and discharging is critical to the power performance of the whole cell and the thermal stability is closely related to the safety issues...
January 19, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29349361/endovascular-repair-of-an-innominate-artery-pseudoaneurysm-using-the-valiant-mona-lsa-branched-graft-device
#18
Josh A Sibille, Joel P Harding, Jocelyn K Ballast, Mohammad Hooshmand, Jeko M Madjarov, Frank R Arko
A 60-year-old woman involved in a motor vehicle collision presented with a traumatic pseudoaneurysm of the innominate artery origin in addition to multiple concomitant injuries. She was classified as a high-risk candidate for open repair. An experimental thoracic branched graft device was used for coverage of the injury with the addition of a right carotid-to-left carotid-to-left subclavian artery bypass. Follow-up imaging showed resolution of the pseudoaneurysm and patency of her bypass grafts. This is the first described use of the Mona LSA Branch Thoracic Stent Graft System (Medtronic, Minneapolis, Minn) in the innominate artery...
March 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29348469/treprostinil-inhibits-proliferation-and-extracellular-matrix-deposition-by-fibroblasts-through-camp-activation
#19
Christopher Lambers, Michael Roth, Peter Jaksch, Gabriella Muraközy, Michael Tamm, Walter Klepetko, Bahil Ghanim, Feng Zhao
Idiopathic pulmonary fibrosis (IPF) is characterized by peripheral lung fibrosis and increased interstitial extracellular matrix (ECM) deposition. In IPF, tumor growth factor (TGF)-β1 which is the major stimulus of ECM deposition, and platelet derived growth factor (PDGF)-BB is a potent stimulus of fibrosis. Thus, the effect of Treprostinil on TGF-ß1 and PDGF-induced fibroblast proliferation and ECM deposition was investigated. Human peripheral lung fibroblasts of seven IPF patients and five lung donors were stimulated by PDGF, or TGF-β1, or the combination...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348267/toll-like-receptor-9-dependent-ampk%C3%AE-activation-occurs-via-tak1-and-contributes-to-rhoa-rock-signaling-and-actin-polymerization-in-vascular-smooth-muscle-cells
#20
Cameron G McCarthy, Camilla Ferreira Wenceslau, Safia Ogbi, Theodora Szasz, R Clinton Webb
Traditionally, Toll-like receptor (TLR)9 signals through a MyD88-dependent cascade that results in pro-inflammatory gene transcription. Recently it was reported that TLR9 also participates in a stress tolerance signaling cascade in non-immune cells. In this non-canonical pathway, TLR9 binds to and inhibits sarco/endoplasmic reticulum Ca2+-ATPase 2 (SERCA2), modulating intracellular calcium handling, and subsequently resulting in the activation of 5'-AMP-activated protein kinase (AMPK)α. We have previously reported TLR9 causes increased contraction in isolated arteries; however, the mechanisms underlying this vascular dysfunction need to be further clarified...
January 18, 2018: Journal of Pharmacology and Experimental Therapeutics
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