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Results 201 - 250 of 1534
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Adhikari Srikar S Department of Emergency Medicine, University of Arizona Medical Center, Tucson, AZ. Electronic address: - - 2014
To determine the prevalence and demographics of elevated blood pressure (BP) in emergency department (ED) patients. Retrospective study at an academic ED. ED patients with any systolic blood pressure (SBP) ≥140mm Hg or diastolic blood pressure (DBP) ≥90mm Hg over a 1-year period were included. Data pertaining to frequency of ...
Joly Nikola N Département d'anesthésiologie, Centre Hospitalier de l'Université de Montréal (CHUM), Université de Montréal, Pavillon Hôpital Saint-Luc, Montréal, QC, - - 2014
Many features can influence the choice of a supraglottic airway device (SAD), including ease of insertion, adequate ventilation pressures and lack of adverse effects. The goal of this randomized prospective trial was to compare the performance of the i-gel™ with that of the LMA-Supreme™. One hundred adult patients (American Society ...
Lacombe Matthieu M Réanimation Médicale, Physiologie - Explorations Fonctionnelles, Centre d'Innovations Technologiques UMR 805, Hôpital Raymond Poincaré, AP-HP, Garches, and EA 4497, Université de Versailles Saint-Quentin-en-Yvelines, Versailles, - - 2014
Background: Mechanical insufflation-exsufflation (MI-E), more commonly known as 'cough assist therapy', is a method which produces inspiratory and expiratory assistance to improve cough performances. However, other alternatives or combinations are possible. Objective: The objective was to compare the effects of mechanical insufflation combined with manually assisted coughing (MAC), insufflation-exsufflation alone ...
Runck Hanna H Department of Anesthesiology and Intensive Care Medicine, Division for Experimental Anesthesiology, University Medical Center Freiburg, Germany. Electronic address: - - 2014
We investigated the effects of recruitment manoeuvres on subpleural alveolar area in healthy rats. 36 mechanically ventilated rats were allocated to either ZEEP-group or PEEP- 5 cmH2O -group. The subpleural alveoli were observed using a transthoracal endoscopic imaging technique. Two consecutive low-flow manoeuvres up to 30 cmH2O peak pressure each ...
Celli P P Dipartimento di Anestesia e Rianimazione, UOD Anestesia e Terapia Intensiva Trapianti d'Organo, Policlinico Umberto I, "Sapienza," Rome, Italy. Electronic address: - - 2014
The extubation phase is an extremely critical moment in patients who have undergone orthotopic liver transplantation, who do not always have the advantage of long-lasting positive-pressure ventilation and positive expiratory end pressure; these factors can lead to splanchnic venous congestion, and this is why a rapid extubation can represent a ...
Clarkson Douglas McG DM Department Clinical Physics and Bioengineering, FM Building, University Hospital, Coventry CV2 2DX, United Kingdom. Electronic address: - - 2014
The value of compliance of disposable elements such as infusion lines and syringes can significantly affect the performance characteristics of infusion devices. In a technique used to determine the compliance of infusion lines, the item under test is placed in a semi sealed water filled enclosure and the volume of ...
Dobrowolski Piotr P Department of Congenital Heart Diseases, Institute of Cardiology, Warsaw, Poland. Electronic address: - - 2014
We investigated the impact of obstructive sleep apnea (OSA) and night blood pressure (BP) on left ventricular geometry and systolic function in patients with resistant hypertension (RHTN). Data from 155 patients with RHTN were analyzed. All patients underwent biochemical evaluations, ambulatory blood pressure monitoring (ABPM), and polysomnography. Left ventricular mass ...
Corino Valentina D A VD Dipartimento di Elettronica, Informatica e Bioingegneria, Politecnico di Milano, via Golgi 32, 20133 Milan, Italy. Electronic address: - - 2014
The highly irregular ventricular rate during atrial fibrillation (AF) represents a unique and physiological experimental model to eliminate the influence of rhythmical components of RR variability on arterial pressure variability for investigating the origin of low frequency (LF) component in arterial pressure. Surface ECG, blood pressure and respiratory signals were ...
Erfurt L L Department of Psychology, Ludwig-Maximilians-University Munich, Leopoldstr. 13, D-80802 Munich, - - 2014
The present study investigated the effects of repeated administration of Korodin(®), a combination of camphor and crataegus berry extract, on blood pressure and attentional functioning. This study was conducted based on a randomized, placebo-controlled, double-blind design. 54 persons participated (33 female, 21 male) with a mean age of 24.3 years. ...
Kang Woon-Seok WS Department of Anesthesiology and Pain Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea; Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Seoul, - - 2014
Measurements of stroke volume variation for volume management in mechanically ventilated patients are influenced by various factors, such as tidal volume, respiratory rate, and chest/lung compliance. However, research regarding the effect of positive end-expiratory pressure on stroke volume variation is limited. Patients were divided into responder and nonresponder groups according ...
Lin Qing-Shan QS Institute of Vascular Medicine, The Chinese University of Hong Kong, Hong - - 2014
In functional mitral regurgitation (FMR), effective regurgitant orifice area (EROA) displays a dynamic pattern. The impact of dynamic changes of annulus dysfunction and leaflets tenting on phasic EROA was explored with real-time three-dimensional transesophageal echocardiography (RT3D-TEE). RT3D-TEE was performed in 52 FMR patients and 30 controls. Mitral annulus dimensions and ...
Suzuki Satoshi S Department of Intensive Care, Austin Hospital, Heidelberg, Victoria, - - 2014
The aim of this study is to study the feasibility, safety, and physiological effects of pulse pressure variation (PPV)-guided fluid therapy in patients after cardiac surgery. We conducted a pilot prospective before-and-after study during mandatory ventilation after cardiac surgery in a tertiary intensive care unit. We introduced a protocol to ...
Chen Guo G Department of Anesthesiology and Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, China. ; Department of Anesthesiology and Perioperative Care, University of California, Irvine, - - 2014
Hemodynamic monitoring and optimization improve postoperative outcome during high-risk surgery. However, hemodynamic management practices among Chinese anesthesiologists are largely unknown. This study sought to evaluate the current intraoperative hemodynamic management practices for high-risk surgery patients in China. From September 2010 to November 2011, we surveyed anesthesiologists working in the operating ...
De Pauw Ruben R Vrije Universiteit Brussel, Department of Chemical Engineering (CHIS-IR), Pleinlaan 2, 1050 Brussels, - - 2014
Having similar densities as liquids but with viscosities up to 20 times lower (higher diffusion coefficients), supercritical CO2 is the ideal (co-)solvent for fast and/or highly efficient separations without mass-transfer limitations or excessive column pressure drops. Whereas in liquid chromatography the flow remains laminar in both the packed bed and ...
Morishima T T Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, - - 2014
PURPOSE. To compare pressures generated by 2 different cement pressurisers at various locations in the proximal femur. METHODS. Two groups of 5 synthetic femurs were used, and 6 pressure sensors were placed in the femur at 20-mm intervals proximally to distally. Cement was filled into the femoral canal retrogradely using ...
Jafari Fatemeh F Shahrekord University of Medical Sciences, Shahrekord, - - 2014
Nutrition is a key factor in the treatment of patients with chronic kidney disease because kidney burden decrease causes uremic reduction and its side effects. The aim of this research is to examine the effect of diet education on blood pressure changes and interdialytic weight in Hemodialysis patients admitted to ...
Jung Jong Dal JD Department of Anesthesiology and Pain Medicine, Chosun University School of Medicine, Gwangju, Korea. ; Department of Anesthesiology and Pain Medicine, Chosun University Hospital, Gwangju, - - 2014
Hypoxemia during one-lung ventilation (OLV) remains a major concern. The present study compared the effect of alveolar recruitment strategy (ARS) on arterial oxygenation during OLV at varying tidal volumes (Vt) with or without positive end-expiratory pressure (PEEP). In total, 120 patients undergoing wedge resection by video assisted thoracostomy were randomized ...
Badiee Zohreh Z Department of Pediatrics, School of Medicine, and Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, - - 2014
The aim of this study was to assess the success rate of nasal intermittent positive pressure ventilation (NIPPV) for treatment of continuous positive airway pressure (CPAP) failure and prevention of conventional ventilation (CV) in preterm neonates. Since November 2012 to April 2013, a total number of 55 consecutive newborns with ...
Tomimura Suely S Programa de Pós-Graduação em Biofotônica em Ciências da Saúde, Universidade Nove de - - 2014
Systemic arterial hypertension (SAH) is considered to be the greatest risk factor for the development of neuro-cardiovascular pathologies, thus constituting a severe Public Health issue in the world. The Low-Level Laser Therapy (LLLT), or laser therapy, activates components of the cellular structure, therefore converting luminous energy into photochemical energy and ...
Komasawa Nobuyasu N Department of Anesthesiology, Osaka Medical College, Osaka, - - 2014
This study used an airway model to compare the ability of a pediatric endotracheal tube with a taper-shaped cuff to prevent microaspiration relative to endotracheal tubes with conventional cuffs. Four different types of 5.0-mm inner diameter cuffed pediatric endotracheal tubes (taper-shaped cuff [Taper], high-volume low-pressure [Hi-Lo], middle-volume low-pressure [Intermediate], and ...
Amiri Fereshteh F Pain Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran ; Department of Anesthesiology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, - - 2014
Response to the surgical stress is an involuntary response to metabolic, autonomic as well as hormonal changes that leads to heart rate and blood pressure fluctuations. This study aimed to investigate the effect of general versus spinal anesthesia on blood sugar level and hemodynamic changes in patients undergoing curettage surgery. ...
Jiang Xian X Department of Physiology and Pathophysiology, Yanbian University College of Medicine, Yanji 133002, - - 2014
Control of blood pressure is maintained by the interaction between the arterial baroreflex and vestibulosympathetic reflex during postural changes. In this study, the contributions of vestibular receptors and baroreceptors to the maintenance of blood pressure following acute hypotension were compared in terms of phosphorylated extracellular regulated protein kinase (pERK) expression ...
Shim Jae-Kwang JK Department of Anesthesiology and Pain Medicine, Yonsei University Health System, Seoul, 120-752, South Korea; Anesthesia and Pain Research Institute, Yonsei University Health System, Seoul, 120-752, South - - 2014
The purpose of this study was to test the hypothesis that the predictive ability of pulse pressure variation (PPV) for fluid responsiveness would be altered in patients with elevated left ventricular (LV) filling pressure. According to the preoperative echocardiographic assessment of the ratio of early transmitral flow velocity to early ...
Mori Hirohito H Department of Gastroenterology and Neurology, Kagawa University, 1750-1 Ikenobe, Miki, Kita, Kagawa, 761-0793, Japan, - - 2014
Tumor size determination is subject to the measurement method used by endoscopists and is especially dependent on the air quantity. As the intraluminal pressure must be measured objectively to obtain an accurate tumor size measurement, insufflation can affect the results. Thus, we examined the utility of a micro-electro-mechanical-system (MEMS) pressure ...
de Aragão Fábio Farias FF Sociedade Brasileira de Anestesiologia, Brazil; Universidade Federal do Maranhão (UFMA), São Luís, MA, Brazil. Electronic address: - - 2014
Maternal hypotension is a common complication after spinal anesthesia for cesarean section, with deleterious effects on the fetus and mother. Among the strategies aimed at minimizing the effects of hypotension, vasopressor administration is the most efficient. The aim of this study was to compare the efficacy of phenylephrine, metaraminol, and ...
Almarakbi Waleed A WA Department of Anesthesia and Critical Care, King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia ; Department of Anesthesiology, Ain Shams University, Cairo, - - 2014
The main function of an endotracheal tube (ETT) cuff is to prevent aspiration. High cuff pressure is usually associated with postoperative complications. We tried to compare cuff inflation guided by pressure volume loop closure (PV-L) with those by just to seal technique (JS) and assess the postoperative incidence of sore ...
McAnulty Lisa S LS Dept. of Nutrition and Health Care Management, Boone, NC, 28608. Electronic address: - - 2014
Evidence suggests that berries contain bioactive compounds, which reduce certain cancers and hypertension. Our hypothesis was that daily blueberry (BB) consumption would increase natural killer (NK) cells and plasma redox capacity and reduce blood pressure, augmentation index (AIx), central pulse wave velocity, and aortic systolic pressures (ASPs). Twenty-five men and ...
Mishra Manjaree M Departments of - - 2014
Laparoscopic surgery offers the advantages of minimally invasive surgery; however, pneumoperitoneum and the patient's position induce pathophysiological changes that may complicate anesthetic management. We studied the effect of clonidine and nitroglycerin on heart rate and blood pressure, if any, in association with these drugs or the procedure, as well as ...
Mesbah Kiaee Mehrdad M Department of Anesthesiology and Pain Medicine, Iran University of Medical Sciences, Tehran, - - 2014
There have been many concerns about alteration in hemodynamic parameters within and shortly after endotracheal intubation (ETI) in patients scheduled for elective coronary artery bypass grafting (CABG). We compared the attenuation effect of magnesium sulfate and lidocaine on hemodynamic responses after ETI, in patients undergoing CABG. In this randomized controlled ...
Wu Shih-Ying - - 2014
Focused ultrasound (FUS) has been shown promise in treating the brain locally and noninvasively. Transcranial passive cavitation detection (PCD) provides methodology for monitoring the treatment in real time, but the skull effects remain a major challenge for its translation to the clinic. In this study, we investigated the sensitivity, reliability, ...
Machado Adriane M AM Department of Food Engineering, Center of Agricultural Sciences, Federal University of Espirito Santo (DEA-CCA-UFES), Alegre, ES, - - 2015
Flaxseed is a promising alternative to reduce the risk of diseases associated with body weight excess because it is rich in a-linolenic acid, lignans, and dietary fiber. Flaxseed (Linum usitatissimum) can be found in brown and golden varieties; however, questions have arisen as to whether the variety may influence the ...
de Franciscis Stefano S Interuniversity Center of Phlebolymphology (CIFL). International Research and Educational Program in Clinical and Experimental Biotechnology. Headquarters: University Magna Graecia of Catanzaro, Viale Europa, 88100, Catanzaro, Italy; Department of Medical and Surgical Sciences, University of Catanzaro, - - 2014
Carotid Body Tumors (CBTs) are Paragangliomas (PGLs) located in the head and neck region which usually do not cause overt neuroendocrine symptoms and hypertension. Matrix Metalloproteinases (MMPs) have shown a strong correlation between CBTs and their clinical behavior. Aim of this study is to analyze the relationship between changes in ...
Rhee Minsoung M Sandia National Laboratories , Livermore, California 94550, - - 2014
We present a droplet-based microfluidic system for performing bioassays requiring controlled analyte encapsulation by employing highly flexible on-demand droplet generation. On-demand droplet generation and encapsulation are achieved pneumatically using a microdispensing pump connected to a constant pressure source. The system generates single droplets to the collection route only when the ...
Chakrabarty S S Hairline International Hair Clinic, Bengaluru, Karnataka, - - 2014
Although evidences for association of androgenetic alopecia (AGA) with metabolic syndrome (MetS) are accruing, inconclusiveness with respect to the gender specificity and differential association of MetS with increasing severity of AGA continues to persist. Furthermore, data specific to Indian settings are relatively sparse. The present study aimed at assessing the ...
Cheshmedzhiev Mihail V - - 2014
To assess infrainguinal arterial reconstructions by intraoperative flowmetry under the distal anastomosis using a fast Fourier transformation; calculate and compare the amplitude ratios of peripheral arterial blood pressure and volume flow before and after drug-induced vasodilation of occluded bypass grafts and bypass grafts that have been patent at least for ...
Robinson Sarah S Elec. Eng., Univ. of Illinois at Urbana-Champaign, 2137 Beckman Inst., MC 251, 405 N Mathews Ave., Urbana, IL 61801, - - 2014
For diagnostic acoustic measurements of the middle ear, the residual ear canal (REC) between the probe and tympanic membrane (TM) is a significant source of non-pathological variability. Tympanometry measures the TM compliance as a function of canal static pressure, at a single frequency (226 Hz). Alternatively, wideband reflectance is measured ...
Kumar Krishna N KN George Washington Univ., 801 22nd St. NW, Washington, VA 20052, - - 2014
In cancerous tumors, the interstitial fluid pressure is higher than that in normal tissues, and therefore can be used as a diagnostic marker. Here we are presenting the results of an in vitro study aimed at developing an ultrasound-aided noninvasive pressure estimation technique using contrast agents-Definity®, a lipid coated microbubble, ...
De Nunzio A M - - 2014
Weight bearing on the paretic lower extremity and transfer of weight from one lower extremity to the other are important goals of stroke rehabilitation. Improvements in these limb loading and weight transfer abilities have been shown to relate to improved performance of many functional activities. Unfortunately, valid and practical clinical ...
Meier Thomas T Faculty of Physics and Earth Sciences, University of Leipzig, Linnéstrasse 5, 04103 Leipzig, - - 2014
A new design of a non-magnetic high-pressure anvil cell for nuclear magnetic resonance (NMR) experiments at Giga-Pascal pressures is presented, which uses a micro-coil inside the pressurized region for high-sensitivity NMR. The comparably small cell has a length of 22 mm and a diameter of 18 mm, so it can ...
Feng Yejun Y The Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, - - 2014
We present the design of an efficient bellows-controlled diamond anvil cell that is optimized for use inside the bores of high-field superconducting magnets in helium-3 cryostats, dilution refrigerators, and commercial physical property measurement systems. Design of this non-magnetic pressure cell focuses on in situ pressure tuning and measurement by means ...
Feng Yejun Y 1] The Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA [2] The James Franck Institute and Department of Physics, University of Chicago, Chicago, Illinois 60637, - - 2014
Pressure can transform a transparent material into an opaque one, quench the moments in a magnet and force solids to flow like liquids. At 15 GPa, the pressure found 500 km below the earth's surface, the semiconductors silicon and germanium superconduct. Yet, at this same pressure, we show here that the magnetism ...
Rizkallah Jacques J Department of Medicine, section of Cardiology, University of Manitoba, Winnipeg, Manitoba, - - 2014
Noninvasive evaluation of central venous pressure (CVP) can be achieved by assessing the Jugular Venous Pressure (JVP), Peripheral Venous Collapse (PVC), and ultrasound visualization of the inferior vena cava. The relative accuracy of these techniques compared to one another and their application by trainees of varying experience remains uncertain. We ...
Fish Emily E Department of Anesthesia, Critical Care, & Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, - - 2014
Optimal ventilator management for patients with acute respiratory distress syndrome (ARDS) remains uncertain. Lower tidal volume ventilation appears to be beneficial, but optimal management of positive end-expiratory pressure (PEEP) remains unclear. The Esophageal Pressure-Guided Ventilation 2 Trial (EPVent2) aims to examine the impact of mechanical ventilation directed at maintaining a ...
Chen Zhiqing Z Eye Center, Second Affiliated Hospital, School of Medicine, Zhejiang University, - - 2014
This study aimed to quantify arterial volume distensibility in patients with branch retinal vein occlusion (BRVO) in comparison with normal subjects and to investigate factors associated with their differences. 40 normal subjects and 30 BRVO patients were studied. Brachial-ankle pulse wave velocity (baPWV) was measured to determine arterial volume distensibility. ...
van Lavieren Martijn M University of Twente, MIRA - Institute for Biomedical Technology and Technical Medicine, PO box 217, Enschede, 7500 AE The - - 2014
Optimizing cardiac stroke volume during major surgery is of interest to many as a therapeutic target to decrease the incidence of postoperative complications. Because dynamic preload indicators are strongly correlated with stroke volume, it is suggested that these indices can be used for goal directed fluid therapy. However, threshold values ...
Vargas-Sánchez Paula K - - 2014
The aim of this research was to describe the effects of altering the composition of a modified remineralizing agent (MRA) and the osmotic pressure on tooth color by using spectrophotometric analysis. One hundred and four (104) human premolars and molars were randomly divided into 2 groups of 52 specimens each. ...
Ozer Murat Atabey MA Department of Ophthalmology, Sevgi Hospital, Malatya 44000, - - 2014
To evaluate intraocular pressure (IOP)-lowering effect and ocular tolerability of brimonidine/timolol, dorzolamide/timolol and latanoprost/timolol fixed combination therapies in the management of primary open angle glaucoma. Each drug was administered for two months, after which a circadian tonometric curve was recorded using a Goldmann applanation tonometer. Ocular discomfort (conjunctival hyperemia, burning ...
Argyri Anthoula A AA Hellenic Agricultural Organization-DEMETER, Institute of Technology of Agricultural Products, Sof. Venizelou 1, Lycovrissi, 14123 Athens, - - 2014
Green fermented olives cv. Halkidiki were subjected to different treatments of high hydrostatic pressure (HHP) processing (400, 450, and 500 MPa for 15 or 30 min). Total viable counts, lactic acid bacteria and yeasts/moulds, and the physicochemical characteristics of the product (pH, colour, and firmness) were monitored right after the treatment and ...
Gramajo Ana L AL Vitreoretinal Department, Centro Privado de Ojos Romagosa-Fundación VER, Córdoba, - - 2014
To report a case of long-lasting hypotony because of accidental break, with scleral tunnel entrapment, of a 23-gauge microcannula during transconjunctival sutureless vitrectomy. Interventional case report. An 80-year-old Spanish woman who underwent 23-gauge transconjunctival sutureless vitrectomy presented at the postoperative ocular examination with irreversible, refractory low intraocular pressure of unknown ...
Jiang Qixia Q Wound Care Center of Department of Outpatient, Jinling Hospital, Nanjing University School of Medicine Nanjing, Jiangsu, - - 2014
Present study is designed to evaluate the effects of preventing pressure ulcer in surgical patients with two types of pressure-relieving mattresses. 1074 surgical patients from 12 hospitals in China were divided into A group (static air mattress with repositioning every 2 hours, n = 562) and B group (power pressure ...
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