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Iida Akihito - - 2012
To evaluate the effects of omeprazole on gastric mechanosensitivity in humans. A double lumen polyvinyl tube with a plastic bag was introduced into the stomach of healthy volunteers under fluorography and connected to a barostat device. Subjects were then positioned so they were sitting comfortably, and the minimal distending pressure ...
Manzo M - - 2012
In this paper, we demonstrate a micro-optical wall pressure sensor concept based on the optical modes of dielectric resonators. The sensing element is a spherical micro-resonator with a diameter of a few hundred micrometers. A latex membrane that is flush mounted on the wall transmits the normal pressure to the ...
Smith Shelley E - - 2012
To review and summarize the human and veterinary literature on intra-abdominal pressure measurement techniques. Human and veterinary clinical studies, research articles, reviews, and textbooks with no date restrictions with a focus on techniques for intra-abdominal pressure (IAP) measurement and their limitations. Human literature has established the intravesicular method as the ...
Kruezi Uron - - 2012
With installation of the ITER-like wall in JET a major diagnostic upgrade to measure the neutral gas pressure and composition in the sub-divertor region has been completed, to characterise retention and outgassing of the new metallic first wall. The upgrade includes two new magnetically shielded systems consisting of sensitive capacitance ...
Beillas Philippe - - 2012
The Abdominal Pressure Twin Sensors (APTS) for Q3 and Q6 dummies are composed of soft polyurethane bladders filled with fluid and equipped with pressure sensors. Implanted within the abdominal insert of child dummies, they can be used to detect abdominal loading due to the belt during frontal collisions. In the ...
De Cunto Angela - - 2012
Physical urticaria is a rare but challenging subset of chronic urticaria. Wheals of pressure urticaria are typically delayed in appearance. A pressure test can easily be done to confirm the diagnosis.
Miske Laura J - - 2012
BACKGROUND/PURPOSE: A mechanical insufflator-exsufflator (MI-E) is used to replicate spontaneous cough in weak or neurologically impaired patients. Its use is often withheld after abdominal surgery because of concerns for potential wound dehiscence from abdominal distension or development of excessive abdominal positive pressure. We hypothesized that gastric pressure during MI-E use ...
Early Gerald L - - 2012
Abdominal compartment syndrome (ACS) is seen with increasing frequency in the critically-ill. Elevated intraabdominal pressures interfere with vital organ function and contribute to mortality. Prevention, when possible and early recognition of occurrence with timely therapy will improve survival. Measurement of bladder pressures plays a critical role in diagnosis and guiding ...
Li Jihua - - 2012
Nanocellulose from sugarcane bagasse was isolated by high pressure homogenization in a homogeneous media. Pretreatment with an ionic liquid (1-butyl-3-methylimidazolium chloride ([Bmim]Cl)) was initially involved to dissolve the bagasse cellulose. Subsequently, the homogeneous solution was passed through a high pressure homogenizer without any clogging. The nanocellulose was obtained at 80MPa ...
Moller Michael - - 2012
Intra-abdominal hypertension [IAH] occurs frequently among critically ill patients and is associated with increased mortality and organ failure. Two porcine models of IAH that cause abdominal compartment syndrome [ACS] with organ dysfunction were created. We investigated whether the two methods used to create IAH - CO2 pneumoperitoneum or adding volume ...
Isvilanonda Vara - - 2012
BACKGROUND: Clawed hallux is defined by first metatarsophalangeal joint extension and first interphalangeal joint flexion; it can increase plantar pressures and ulceration risk. We investigated two corrective surgical techniques, the modified Jones and flexor hallucis longus tendon transfer. METHODS: A finite element foot model was modified to generate muscle overpulls, ...
Tusman Gerardo - - 2012
Dead space is the portion of a tidal volume that does not participate in gas exchange because it does not get in contact with blood flowing through the pulmonary capillaries. It is commonly calculated using volumetric capnography, the plot of expired carbon dioxide (CO(2)) versus tidal volume, which is an ...
Katsuragi Hiroaki - - 2012
Scalings for slow drag and wall pressures in a plunged granular column are experimentally studied. A granular column is prepared in a cylindrical container and a spherical intruder is slowly plunged into it. Quasistatic drag force and pressures at the bottom and the side wall are measured simultaneously. Using the ...
Anagnostou Tilemahos L - - 2012
Although left- or right-sided pneumonectomy is tolerated by normal dogs, complications impacting the respiratory, cardiovascular, and gastrointestinal systems are not uncommon. Pneumonectomy in dogs results in secondary changes in the remaining lung, which include: decreased compliance and vital capacity; and increased pulmonary vascular resistance potentially leading to right ventricular hypertrophy. ...
Ahlstrand Rebecca - - 2012
Practice varies regarding the use of opioids during rapid sequence induction. Controversy exists as to whether opioids may increase the risk of pulmonary aspiration by decreasing the barrier pressure (lower oesophageal sphincter-intragastric pressure). To evaluate the effects of adding alfentanil during anaesthesia induction with propofol with respect to the barrier ...
Sakka Laurent - - 2012
The "cochlear" aqueduct is a narrow channel connecting the subarachnoid and intralabyrinthine spaces. Through this communication, cerebrospinal fluid (CSF) pressure variations are transmitted to the intralabyrinthine space and modify the impedance of the ear. Distortion-product otoacoustic emissions (DPOAE) are sounds emitted by cochlear sensory cells in response to sonic stimulation. ...
Day Alexander C - - 2012
A 34-year-old Caucasian female with advanced primary angle closure glaucoma developed acute angle closure following administration of g.pilocarpine 2% given as preparation for laser peripheral iridotomies. Subsequent investigations supported an underlying diagnosis of spherophakia with no systemic associations. She required peripheral iridotomies, bilateral clear lens extractions and left cyclodiode laser ...
Guo Youling - - 2012
[This corrects the article on p. e31489 in vol. 7.].
Ozer Ayse Belin - - 2012
Percutanous nephrolithotomy (PCNL) was performed on a patient in a prone position. During the first hour of intervention, some unwanted haemodynamic complications arose, which included a decrease in systemic blood pressure, an increase in heart rate and an increase in peak inspiratory pressures. Owing to worsening of those unexplained haemodynamic ...
Xie Fang - - 2012
Chronic stress, as a risk factor for cardiovascular diseases, has been reported to result in elevated plasma neuropeptide Y (NPY) and be highly associated with abnormal cardiac autonomic function. This study aimed to explore the effect of NPY on the chronic stress-induced abnormal baroreceptor reflex sensitivity (BRS). Seven types of ...
Naimer Sody A - - 2012
We describe a rare case of ischemic fasciitis of the abdominal wall in a child with scoliosis. The fasciitis was apparently caused by the constant pressure exerted by her torso brace. Clinicians should be alert to the possibility of mechanical factors in the etiology of ischemic fasciitis.
Sener Elif Bengi - - 2012
We compared hemodynamic responses and upper airway morbidity following tracheal intubation via conventional laryngoscopy or intubating laryngeal mask airway in hypertensive patients. Forty-two hypertensive patients received a conventional laryngoscopy or were intubated with a intubating laryngeal mask airway. Anesthesia was induced with propofol, fentanyl, and cis-atracurium. Measurements of systolic and ...
Mizrak Ayse - - 2011
To compare hemodynamic responses, P wave dispersion (Pd), and QT dispersion (QTd) after placement of a classic endotracheal tube (ETT), double-lumen tube (DLT), or Laryngeal Mask Airway (LMA). Prospective study. Outpatient surgery center. 75 adult, ASA physical status 1 and 2 patients undergoing cystoscopy and thoracoscopic surgery. Patients were randomized ...
Sahoo T - - 2012
Subarachnoid block is the preferred method of anaesthesia for caesarean section, but is associated with hypotension and bradycardia, which may be deleterious to both parturient and baby. Animal studies suggest that in the presence of decreased blood volume, 5-HT may be an important factor inducing the Bezold Jarisch reflex via ...
Park Young Hoon - - 2011
Spinal anesthesia causes hypotension and bradycardia due to sympathetic nerve block and it is difficult to predict the level of sensory block and the duration of blockade. Recent studies have reported that intravenous phenylephrine can reduce the rostral spread of spinal anesthesia in pregnant women. We think a phenylephrine infusion ...
Lin Ching-Feng - - 2011
Monitoring hypnotic depth is used to prevent awareness during general anesthesia. We used the A-line ARX index (AAI) to assess the effect of shortterm inhalation of sevoflurane in the prevention of intubation-induced inadequate hypnotic depth during anesthetic induction. Thirty patients were randomly divided into the sevoflurane and non-sevoflurane groups, both ...
Cavalcante Fernanda Paula FP Faculdade de Medicina da Universidade de São Paulo, Brazil. - - 2011
A better understanding of pathophysiologic changes associated to trauma and hemorrhagic shock can help the development of therapies capable of reducing trauma-related mortality. The objective of this study was to describe a model of non-controlled hemorrhagic shock in pigs. Animals received ketamine and midazolam as pre-anesthetic medications. Anesthesia was induced ...
Krzemiński Tadeusz Faustyn - - 2011
To compare the efficacy of maxillary infiltration anesthesia with 0.5% plain ropivacaine or 2% lidocaine with epinephrine 1:100,000. 60 volunteers received 1.8 ml of the anesthetic for infiltration anesthesia of maxillary central and lateral incisors and canine teeth. The onset time and duration of pulp anesthesia were assessed with an ...
Hyun Dongho - - 2011
Inhalational anesthetics potentiate nondepolarizing muscle relaxants. Cisatracurium is a recently introduced neuromuscular blocker in Korea. We studied the effect of inhalational anesthesia and total intravenous anesthesia (TIVA) on neuromuscular blockades and hemodynamic responses by cisatracurium bolus injection. Forty patients undergoing elective surgery were randomly divided into isoflurane and propofol-remifentanil groups. ...
Hoda Anwar A Department of Anesthesia, Aga Khan University, Karachi, - - 2011
Drug combinations can be used for optimum obtundation of the hemodynamic response to tracheal intubation. The objective of this trial was to compare the hemodynamic response to laryngoscopy and tracheal intubation after administration of 2 μg/kg fentanyl bolus or a placebo with 2% end tidal sevoflurane at induction of anesthesia. ...
Carassiti M - - 2012
The forces applied to the soft tissues of the upper airway may have a deleterious effect. This study was designed to evaluate the performance of the GlideScope compared with the Macintosh laryngoscope. Twenty anaesthetists and 20 trainees attempted tracheal intubation of a Laerdal SimMan manikin. Forces and pressure distribution applied ...
Kohjitani Atsushi - - 2011
The finger photoplethysmogram (PTG) is a non-invasive method for pulse-wave analysis. The second derivative wave of the PTG (SDPTG) enables evaluation of atherosclerosis and cardiovascular aging. Responses of SDPTG indices and hemodynamic parameters to anesthesia induction are unknown. A total of 42 patients aged 40 years, who may have had ...
Ahlstrand R - - 2011
The pressure in the lower esophageal sphincter (LES) is partly dependent on striated muscles derived from the crural portion of the diaphragm. The effect of neuromuscular blockade on the integrity of the esophagogastric junction is not well studied. We conducted a prospective interventional study to determine the effect of rocuronium ...
Parikh Mansi - - 2011
A 68-year-old woman was referred for glaucoma management after inadvertent corneal perforation during eyelid anesthesia for upper eyelid blepharoplasty. A mixture of 50:50 2% lidocaine with 1:100,000 epinephrine and 0.5% bupivacaine buffered with sodium bicarbonate was injected intracamerally. Decreased vision and uncontrollable intraocular pressure resulted, despite prompt anterior chamber washout. ...
Shelley Ben - - 2011
OBJECTIVE: The authors sought to provide a snapshot of contemporary thoracic anesthetic practice in the United Kingdom and Ireland. DESIGN: An online survey. SETTING: United Kingdom. PARTICIPANTS: An invitation to participate was e-mailed to all members of the Association of Cardiothoracic Anaesthetists. INTERVENTION: None. MEASUREMENTS AND MAIN RESULTS: A total ...
Galgon R E - - 2011
We performed a prospective, open-label, randomised controlled trial comparing the air-Q(®) against the LMA-ProSeal™ in adults undergoing general anaesthesia. One hundred subjects (American Society of Anesthesiologists physical status 1-3) presenting for elective, outpatient surgery were randomly assigned to 52 air-Q(®) and 48 ProSeal devices. The primary study endpoint was airway ...
Bhardwaj Neerja - - 2011
Objectives:  It is hypothesized that in children with glaucoma, the insertion of laryngeal mask airway (LMA) will cause lesser rise in intraocular pressure (IOP) than tracheal tube (TT). Aim:  To compare the IOP response to LMA and TT insertion in children with glaucoma. Methods/Materials:  A prospective, randomized, single-blind study was ...
Mathew Joseph L - - 2011
Breathing difficulty and respiratory distress is the most common cause of admission to the Pediatric Emergency. Respiratory distress presents as altered breathing pattern, forced breathing efforts or obstructed breathing, and chest indrawing; respiratory failure is defined as paCO(2) >50 mmHg (inadequate ventilation) and/or a paO(2) < 60mmHg (inadequate oxygenation). Rapid assessment is aimed ...
Lee Deok Hee - - 2011
It is well known that suspension laryngoscopy (SL) produces marked hemodynamic changes. Coughing during extubation sometimes causes adverse clinical problems. We investigated whether 10% lidocaine spray could attenuate hemodynamic stress responses due to SL and reduce coughing incidence during extubation. Sixty patients undergoing SL were randomly divided into two groups ...
Usselman Charlotte W - - 2011
The objective of this study was to determine whether a plane of urethane-α-chloralose anaesthesia that suppresses motor reflexes would affect baroreflex cardiovascular control relative to a plane of anaesthesia that leaves motor reflexes intact. Adult male Sprague-Dawley rats were anaesthetized to either a light (motor reflexes intact) or deep (motor ...
Schleining Jennifer A - - 2011
Objective-To evaluate the ability of industrial polystyrene foam insulation pads to redistribute loads placed on clinically normal weight-bearing structures of the foot and shift the location of the center of pressure palmarly in horses. Animals-25 nonlame mature horses. Procedures-Both forefeet from each horse were evaluated. Center of pressure data and ...
Immanni Sudhir - - 2011
A 42-year-old multigravida with severe pre-eclampsia had an emergency caesarean section under spinal anaesthesia. Peri-operatively, her arterial pressure was controlled with oral methyldopa and an intravenous infusion of labetalol. Postoperatively, in the Intensive Care Unit, she had recurrent episodes of hypoglycaemia which required treatment with intravenous glucose. These episodes resolved ...
Bull Sacha C - - 2011
Background: In investigational medicinal products testing centers (IMP), reliable methods for monitoring early signs of cardiotoxicity of a potential new drug in healthy volunteers are essential. This study examines what levels of left ventricular ejection fraction (LVEF) variance can be achieved with two-dimensional echocardiography (2DE) in a core laboratory versus ...
Harrison Michelle L - - 2011
BACKGROUND AND OBJECTIVES: Ankle-brachial index (ABI) is currently recommended for the screening of peripheral arterial disease. However, this method becomes less reliable in the presence of calcified, incompressible arteries, as they result in an erroneously elevated ABI, and an additional measure termed the toe-brachial index (TBI) is recommended. The evaluation ...
Muljana Henky - - 2011
An in-depth study on the acetylation of starch with acetic anhydride (Ac(2)O) and sodium acetate (NaOAc) as the catalyst in pressurized carbon dioxide (scCO(2)) in a broad pressure range (8-25MPa) and a temperature of 90°C is provided. Highest degrees of substitution (DS) of 0.29 (1h reaction time) and 0.62 (24h ...
Karimpour-Fard Mehran - - 2011
Shear strength characterization of MSW materials is a mandatory task when performing analyses related to landfill design and landfill geometry improvements. Despite the considerable amount of research focusing on MSW mechanical behavior there remain certain aspects which are not completely understood and deserve attention in particular the case of the ...
Alpert Bruce S - - 2011
We evaluated two new Welch Allyn automated blood pressure (BP) algorithms. The first, SureBP, estimates BP during cuff inflation; the second, StepBP, does so during deflation. We followed the American National Standards Institute/Association for the Advancement of Medical Instrumentation SP10:2006 standard for testing and data analysis. The data were also ...
Bushey Brent A - - 2011
This study examined whether combining lipid emulsion and advanced cardiac life support (ACLS) improves survival in an unanesthetized swine model of bupivacaine- and hypoxia-induced cardiovascular collapse. Arterial and venous catheters and a tracheostomy were surgically placed in 26 swine receiving inhalation anesthesia. After a 1-hour recovery period, bupivacaine (5 mg/kg) ...
Litt Ab - - 2011
Under pressure, people often prefer what is familiar, which can seem safer than the unfamiliar. We show that such favoring of familiarity can lead to choices precisely contrary to the source of felt pressure, thus exacerbating, rather than mitigating, its negative consequences. In Experiment 1, time pressure increased participants' frequency ...
Tucker Stacey - - 2011
PURPOSE: Despite routine use, clinical tests used to diagnose subacromial impingement often display poor diagnostic accuracy. A lack of anatomical validity may contribute to the poor diagnostic accuracy. The current study aimed to examine the anatomical validity of measuring subacromial pressure in the Hawkins-Kennedy impingement test in a cadaveric shoulder. ...
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