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https://www.readbyqxmd.com/read/27933114/instantaneous-formation-of-siox-nanocomposite-for-high-capacity-lithium-ion-batteries-by-enhanced-disproportionation-reaction-during-plasma-spray-physical-vapor-deposition
#1
Tohru Tashiro, Masashi Dougakiuchi, Makoto Kambara
Nanocomposite SiOx particles have been produced by a single step plasma spray physical vapor deposition (PS-PVD) through rapid condensation of SiO vapors and the subsequent disproportionation reaction. Core-shell nanoparticles, in which 15 nm crystalline Si is embedded within the amorphous SiOx matrix, form under typical PS-PVD conditions, while 10 nm amorphous particles are formed when processed with an increased degree of non-equilibrium effect. Addition of CH4 promotes reduction in the oxygen content x of SiO x , and thereby increases the Si volume in a nanocomposite particle...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27925417/effects-of-temperature-on-multiparametric-evaluation-of-hindlimb-ischemia-with-dynamic-fluorescence-imaging
#2
Wenjuan Cai, Huizhi Guang, Chuangjian Cai, Jianwen Luo
Quantitative evaluation of hindlimb ischemia is essential for early diagnosis and therapy of peripheral arterial disease (PAD). Dynamic imaging using near-infrared (NIR) fluorophore indocyanine green (ICG) is a noninvasive and effective tool to monitor multiple vascular parameters including perfusion rate (PR), perfusion vascular density (PVD) and hemodynamics. It has been previously demonstrated that temperature changes could lead to significant variations of blood flow rate and vascular perfusion. In this paper, multiparametric evaluation of hindlimb ischemia was performed at different temperatures...
December 7, 2016: Journal of Biophotonics
https://www.readbyqxmd.com/read/27892829/understanding-the-sexual-satisfaction-of-women-with-provoked-vestibulodynia-and-their-partners-comparison-with-matched-controls
#3
Natalie Rosen, Pablo Santos-Iglesias, E Sandra Byers
Provoked vestibulodynia (PVD) - a recurrent, localized vulvar pain - interferes with couples' sexual relationships as evidenced by lower sexual satisfaction compared to controls. Little is known about what components of sexual satisfaction contribute to this lower satisfaction. Using the Interpersonal Exchange Model of Sexual Satisfaction (IEMSS), we compared the sexual exchanges (sexual rewards and costs, relative sexual rewards and costs, balance of sexual rewards and costs, balance of relative sexual rewards and costs, equality of sexual rewards and costs) and sexual satisfaction of 50 women with PVD and their male partners to 50 matched-control couples...
November 28, 2016: Journal of Sex & Marital Therapy
https://www.readbyqxmd.com/read/27886563/nanomechanical-properties-wear-resistance-and-in-vitro-characterization-of-ta2o5-nanotubes-coating-on-biomedical-grade-ti-6al-4v
#4
Masoud Sarraf, Bushroa Abdul Razak, Bahman Nasiri-Tabrizi, Ali Dabbagh, Noor Hayaty Abu Kasim, Wan Jefrey Basirun, Eshamsul Bin Sulaiman
Tantalum pentoxide nanotubes (Ta2O5 NTs) can dramatically raise the biological functions of different kinds of cells, thus have promising applications in biomedical fields. In this study, Ta2O5 NTs were prepared on biomedical grade Ti-6Al-4V alloy (Ti64) via physical vapor deposition (PVD) and a successive two-step anodization in H2SO4: HF (99:1)+5% EG electrolyte at a constant potential of 15V. To improve the adhesion of nanotubular array coating on Ti64, heat treatment was carried out at 450°C for 1h under atmospheric pressure with a heating/cooling rate of 1°Cmin(-)(1)...
November 16, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/27876300/functional-voice-disorders-the-importance-of-the-psychologist-in-clinical-voice-assessment
#5
Mafalda Andrea, Óscar Dias, Mário Andrea, Maria Luísa Figueira
OBJECTIVES: The etiopathogenesis of functional voice disorders (FVDs) is multifactorial. The purpose of this study was to analyze the severity of depression and anxiety, and the incidence of affective and anxiety disorders, in patients who presented different types of FVDs and were followed at the University Clinic of Otolaryngology. DESIGN: This is a cross-sectional study. METHODS: After ENT observation, 83 women were classified into three groups: psychogenic voice disorder (PVD = 39), primary muscle tension voice disorder (MTVD1 = 16), and secondary muscle tension voice disorder (MTVD2 = 28)...
November 18, 2016: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/27872976/development-and-validation-of-a-scoring-system-to-predict-surgical-site-infection-after-ventral-hernia-repair-a-michigan-surgical-quality-collaborative-study
#6
Efstathios Karamanos, Pridvi Kandagatla, Jenna Watson, Nathan Schmoekel, Aamir Siddiqui
INTRODUCTION: Surgical site infections (SSIs) are a rare but significant complication following an elective ventral hernia repair. This study aims to develop a risk assessment tool in order to predict the risk of developing SSIs postoperatively. METHODS: All patients undergoing an elective ventral hernia repair were identified using the Michigan Surgical Quality Collaborative (MSQC) database. Patients' demographics, comorbidities and technical aspects of the operations were extracted...
November 21, 2016: World Journal of Surgery
https://www.readbyqxmd.com/read/27872003/primary-and-secondary-provoked-vestibulodynia-a-review-of-overlapping-and-distinct-factors
#7
REVIEW
Caroline F Pukall
INTRODUCTION: A common subtype of vulvodynia is provoked vestibulodynia (PVD), characterized by severe pain upon contact to the vaginal entrance. Some researchers have further delineated the PVD group based on pain onset (primary vs secondary PVD, referred to as PVD1 and PVD2, respectively). AIM: This study aims to review available evidence regarding sociodemographic variables, pain characteristics, medical history and examination findings, quantitative sensory testing, genetic markers, psychosocial/sexual/relationship function, treatment outcome, and brain imaging in women with PVD1 and PVD2...
January 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/27864774/comparison-of-an-automatic-analysis-and-a-manual-analysis-of-conjunctival-microcirculation-in-a-sheep-model-of-haemorrhagic-shock
#8
Philip-Helge Arnemann, Michael Hessler, Tim Kampmeier, Andrea Morelli, Hugo Karel Van Aken, Martin Westphal, Sebastian Rehberg, Christian Ertmer
BACKGROUND: Life-threatening diseases of critically ill patients are known to derange microcirculation. Automatic analysis of microcirculation would provide a bedside diagnostic tool for microcirculatory disorders and allow immediate therapeutic decisions based upon microcirculation analysis. METHODS: After induction of general anaesthesia and instrumentation for haemodynamic monitoring, haemorrhagic shock was induced in ten female sheep by stepwise blood withdrawal of 3 × 10 mL per kilogram body weight...
December 2016: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/27863591/identifying-beliefs-about-smoking-in-patients-with-peripheral-vascular-disease
#9
Elizabeth Lopes-Costa, Elaine Amato-Vealey
Peripheral vascular disease (PVD) is a chronic disabling illness that frequently results in the occlusion of arteries in lower limbs and may cause ischemia, gangrene, or infection. The single most significant factor contributing to both the onset and progression of PVD is smoking, which has addictive properties. Once smoking becomes a habitual behavior, combined with the atherosclerotic process, a disastrous pathway ensues. The aim of this project was to gain an understanding of the beliefs of patients with PVD who smoked...
December 2016: Journal of Vascular Nursing: Official Publication of the Society for Peripheral Vascular Nursing
https://www.readbyqxmd.com/read/27853954/spectral-domain-optical-coherence-tomography-findings-in-idiopathic-lamellar-macular-hole
#10
Elena Zampedri, Federica Romanelli, Francesco Semeraro, Barbara Parolini, Rino Frisina
BACKGROUND: To evaluate demographic, functional, and morphological parameters of idiopathic lamellar macular hole (ILMH). METHODS: Observational longitudinal retrospective study. Optical coherence tomography examinations and corresponding clinical charts of a series of consecutive patients affected by ILMH, between January 2010 and March 2015, from the database of the Department of Ophthalmology of Trento Hospital, Italy, have been collected and examined. Demographic and functional parameters were: age (year), gender (male/female), eye (right/left), lens status, best-corrected visual acuity (BCVA) in logarithm of the minimum angle of resolution (LogMAR)...
November 16, 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/27853042/polyarteritis-nodosa-presenting-as-peripheral-vascular-disease-and-acute-limb-ischemia
#11
A Shukla, A Aggarwal
Acute limb ischemia and peripheral vascular disease (PVD) are unusual presentations of polyarteritis nodosa (PAN). Here, we present a case with PVD of both lower limbs leading to foot claudication. Digital subtraction angiography showed narrowing, irregularity, and occlusion of both lower limb arteries with no involvement of the abdomen visceral arteries. Based on significant weight loss, diastolic blood pressure >90 mmHg, myalgia, testicular pain, and angiographic abnormalities in medium-sized arteries, he was diagnosed as having PAN...
November 16, 2016: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/27842752/management-of-sedation-and-paralysis
#12
REVIEW
Michael A Fierro, Raquel R Bartz
Sedatives are administered to decrease patient discomfort and agitation during mechanical ventilation and to maintain patient-ventilator synchrony. Titration of infusions and or bolus dosing to maintain light sedation goals according to validated scales is recommended. However, it is important to consider deeper sedation for patients with refractory patient-ventilator dyssynchrony (PVD) to prevent volutrauma and barotrauma. Deep sedation plus muscle relaxants may be required to treat PVD or to reduce oxygen consumption and carbon dioxide production...
December 2016: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/27833968/posterior-vitreous-detachment-and-macular-anatomical-changes-a-tomographic-electroretinographic-study
#13
Alin Ştefan Ştefănescu-Dima, Cornelia Andreea Corîci, Maria Rodica Mănescu, Teodor Nicuşor Sas, Maria Iancău, Carmen LuminiŢa Mocanu
AIM: Posterior vitreous detachment (PVD) is a physiological phenomenon due to aging characterized by separation of the vitreous cortex from the retina and may induce a variety of pathological events at the vitreoretinal junction. The aim of this study is to highlight in vivo anatomical and functional changes in early stages of PVD allowing the correct treatment. MATERIAL AND METHODS: Non-consecutive case series; optical coherence tomography (OCT) relies on analyzing the reflectivity of coherent light from different anatomical interfaces within posterior vitreous and retinal histological layers, thus acquiring transverse sections through vitreoretinal interface, sensory retina, retinal pigment epithelium and choroid...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27814314/chronic-subjective-dizziness-analysis-of%C3%A2-underlying-personality-factors
#14
G Chiarella, C Petrolo, R Riccelli, L Giofrè, G Olivadese, F M Gioacchini, A Scarpa, E Cassandro, L Passamonti
BACKGROUND: Chronic subjective dizziness (CSD) is characterized by persistent dizziness, unsteadiness, and hypersensitivity to one's own motion or exposure to complex visual stimuli. CSD may be triggered, in predisposed individuals with specific personality traits, by acute vestibular diseases. CSD is also thought to arise from failure to re-establish normal balance strategies after resolution of acute vestibular events which may be modulated by diathesis to develop anxiety and depression...
November 3, 2016: Journal of Vestibular Research: Equilibrium & Orientation
https://www.readbyqxmd.com/read/27776535/microcirculatory-assessment-of-patients-under-va-ecmo
#15
Atila Kara, Sakir Akin, Dinis Dos Reis Miranda, Ard Struijs, Kadir Caliskan, Robert J van Thiel, Eric A Dubois, Wouter de Wilde, Felix Zijlstra, Diederik Gommers, Can Ince
BACKGROUND: Veno-arterial extracorporeal membrane oxygenation (VA-ECMO) is an effective technique for providing emergency mechanical circulatory support for patients with cardiogenic shock. VA-ECMO enables a rapid restoration of global systemic organ perfusion, but it has not been found to always show a parallel improvement in the microcirculation. We hypothesized in this study that the response of the microcirculation to the initiation of VA-ECMO might identify patients with increased chances of intensive care unit (ICU) survival...
October 25, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27769323/test-characteristics-of-point-of-care-ultrasonography-for-the-diagnosis-of-acute-posterior-ocular-pathology
#16
Michael Y Woo, Nathan Hecht, Bernard Hurley, David Stitt, Venkatesh Thiruganasambandamoorthy
OBJECTIVES: The objective of this study was to determine the test characteristics of point-of-care ultrasonography (POCUS) for the diagnosis of retinal tear (RT), retinal detachment (RD), posterior vitreous detachment (PVD), and vitreous hemorrhage (VH). DESIGN: A prospective observation study on a convenience sample of patients presenting to a tertiary care emergency general ophthalmology clinic was performed. PARTICIPANTS: Adult patients with acute flashes/floaters or new visual field defects were included (n = 62)...
October 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27766175/possible-relation-between-lack-of-posterior-vitreous-detachment-and-severe-endogenous-endophthalmitis
#17
Kazuhiko Umazume, Jun Suzuki, Yoshihiko Usui, Yoshihiro Wakabayashi, Hiroshi Goto
Purpose. Endogenous endophthalmitis (EE) is a rare ocular disease caused by bacterial or fungal infection of intraocular spaces by hematogenous spread of pathogens from distant infectious loci in the body. We investigated the clinical characteristics and management of eyes with EE in ten consecutive patients. Methods. Ten patients (10 eyes) with EE treated at Tokyo Medical University Hospital in 2014 were reviewed. We retrospectively studied the causative organisms, systemic complications, pre/postoperative mean best-corrected visual acuity (BCVA), and status of posterior vitreous detachment (PVD)...
2016: Journal of Ophthalmology
https://www.readbyqxmd.com/read/27762107/sensitivity-and-specificity-of-pulse-oximetry-and-ankle-brachial-index-for-screening-asymptomatic-peripheral-vascular-diseases-in-type-2-diabetes-mellitus
#18
M Satheesh Kumar, Ayush Lohiya, Viviktha Ramesh, Priyamadhaba Behera, Sarika Palepu, S A Rizwan
OBJECTIVES: To compare pulse oximetry and Ankle-Brachial Index (ABI) with duplex ultrasonography as reference standard to determine the diagnostic accuracy for screening asymptomatic PVD in type 2 diabetes mellitus. METHODS: This cross-sectional study was conducted in 2012 at tertiary hospital in Madurai among diabetic patients attending the medicine outpatient department (OPD). Type 2 Diabetes Mellitus patients, asymptomatic with regards to symptoms and signs of PVD, aged above 40 years were included...
August 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27760431/visual-hallucination-and-pattern-of-brain-degeneration-in-parkinson-s-disease
#19
Woong-Woo Lee, Eun Jin Yoon, Jee-Young Lee, Sun-Won Park, Yu Kyeong Kim
BACKGROUND AND OBJECTIVES: The incidence of visual hallucination (VH) increases with Parkinson's disease (PD) progression, and its development is thought to be related to a specific neurodegenerative process in PD. This study aimed to reveal brain degeneration related to VH in PD by analyzing neuroimaging data obtained from patients in their different stages of PD. METHODS: Data from 48 PD patients - 21 nondemented without VH (PNV group), 10 nondemented with VH (PV group), and 17 demented with VH (PVD group) - and 30 age-matched healthy controls (HC group) were analyzed...
October 20, 2016: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/27759927/fracking-the-code-to-complete-revascularization
#20
Ravi S Hira, Larry S Dean
Provisional use of rotational atherectomy (RA) is indicated for procedural success in heavily calcified lesions. In the current study, RA use at three high volume percutaneous coronary intervention (PCI) centers between 2005 and 2013 was 1.4%. MACE rate was 17.8% at median follow-up of 22 months. Peripheral vascular disease (PVD), diabetes mellitus (DM), acute coronary syndrome (ACS), and SYNTAX > 23 were found to be independently associated with MACE. With increasing complexity of disease and SYNTAX score, there is usually an increase in severity of calcification and need for atherectomy...
October 2016: Catheterization and Cardiovascular Interventions
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