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Results 301 - 350 of 895
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Hohlrieder Mathias - - 2006
We tested the hypothesis that middle ear pressure (MEP) is influenced by the choice of airway device during anesthesia with or without nitrous oxide (N2O) in the gas mixture. Eighty consecutive anesthetized, paralyzed ventilated patients (ASA physical status I-II, 18-65 yr) were randomly allocated for airway management with the orally ...
Takizawa Daisuke - - 2006
The purpose of this study was to assess the effect of gynecologic laparoscopy on propofol concentrations administered by the target-controlled infusion (TCI) system. Thirteen patients undergoing gynecologic laparoscopy (intraabdominal pressure of 10 mmHg) were enrolled in this study. Anesthesia was induced with vecuronium 0.1 mg.kg(-1) and propofol, then maintained by ...
Pascoe Peter J - - 2006
OBJECTIVE: To determine the effect of induction, a 30-minute, and a 150-minute infusion of propofol on the rate of recovery in cats. STUDY DESIGN: Randomized, cross-over, prospective experimental study. ANIMALS: Six healthy adult spayed female cats (mean 4.3, range 2-7 years old) weighing 3.9 +/- 0.5 kg. METHODS: Cats received ...
Lee M C - - 2006
We assessed the use of intravenous remifentanil for the insertion of the laryngeal mask airway in 10 healthy awake volunteers, a technique primarily developed to facilitate functional magnetic resonance imaging studies of anaesthesia. Each volunteer received 200 microg glycopyrronium intravenously. Topical airway anaesthesia was effected by 4 ml nebulised lidocaine ...
Gurbani Neepa S NS Department of Neurology, Kaiser Permanente Medical Center, Anaheim, California 92807, - - 2006
The objective of this study was to determine if screening by a neurologist of all non-neurologist electroencephalogram (EEG) referrals prior to approval reduces the number of inappropriate requests. This retrospective survey included 600 consecutive EEG requisitions referred to the Anaheim Kaiser Permanente Neurodiagnostic Laboratory to rule out epilepsy. Patients with ...
Hosaka Naoya N Department of Electrical Engineering, University of Tokai, Kanagawa, - - 2006
Our purpose of the research is a development of the detecting method of EEG under exercising. Usually, measuring EEG is done in the quiet state. In case of the measuring EEG under exercising, a movement of the body causes vibration of electrodes and artifact for the EEG. Therefore, generally detection ...
de Boer H D - - 2006
BACKGROUND: At present, reversal of neuromuscular block induced by steroidal neuromuscular blocking agents (NMBAs) is achieved by administration of cholinesterase inhibitors. Chemical encapsulation of steroidal NMBAs, such as rocuronium, by a cyclodextrin is a new concept in neuromuscular block reversal. The present study evaluates the capacity of nine synthetic cyclodextrin ...
Soeding P E - - 2005
Ultrasound guidance allows real-time identification of relevant anatomy and needle position when performing brachial plexus regional anaesthesia. The aim of this investigation was to determine whether the use of surface ultrasound could improve the quality of brachial plexus anaesthesia for upper limb surgery. Forty patients were randomized to either conventional ...
Ruiz-Gimeno P - - 2005
The BIS monitor (Aspect Medical Inc, Newton, USA) was the first electroencephalogram (EEG)-based monitor of the hypnotic effect reflected by a dimensionless figure ranging from 100 (awake state) to 0 (flat line EEG). Its widespread use makes it the most-studied and the best-known among same intended devices. Its algorithm processes ...
Richebé P - - 2005
BACKGROUND AND OBJECTIVE: The target effect-site concentration of propofol to insert a laryngeal mask airway was recently reported as almost 5 microg mL(-1). The present study aimed to determine the target effect-site concentration with target-controlled infusion of propofol to place classical larnygeal mask airway or current laryngeal tube in adult ...
Tsui Ban C H - - 2005
Effective conduction of electricity through a catheter is essential for the success of the epidural stimulation test. In this in vitro study we examined the electrical conductivity of single and multiport epidural catheters (with and without embedded metal elements) after being primed with normal saline. Seven different types of 19-gauge ...
Kunitz Oliver - - 2005
PURPOSE: The interaction between mivacurium and inhaled anesthetics is known, with the exception of xenon. We compared the pharmacodynamics of mivacurium during xenon anesthesia vs total iv anesthesia with propofol. METHODS: This randomized controlled trial was carried out in the Aachen University Hospital. Forty-two adult patients ASA I or II, ...
Zhong T - - 2005
BACKGROUND: Cerebral state index (CSI) has recently been introduced as an intra-operative monitor of anaesthetic depth. We compared the performance of the CSI to the bispectral index (BIS) in measuring depth of anaesthesia during target-controlled infusion (TCI) of propofol. METHODS: Twenty Chinese patients undergoing general anaesthesia were recruited. CSI and ...
Goodwin N - - 2005
The effect of breathing 0.1 minimum alveolar concentrations (MAC) of desflurane or isoflurane for three minutes on the incidence of adverse airway events on a subsequent breath of 2 MAC was investigated. Twenty-five volunteers known to develop an adverse airway event to desflurane or isoflurane took part in the study. ...
Minville Vincent - - 2005
Most upper arm regional anesthesia techniques are successful and differences in efficacy should not dictate the choice of technique. In the present study, we compared humeral block (HB) and infraclavicular brachial plexus block (ICB) using anesthetic time (i.e., duration of the procedure + onset time) as the primary outcome measure. ...
Shim Yon Hee - - 2005
Sevoflurane provides smooth and rapid emergence from anesthesia and can be used when the removal of a laryngeal mask airway (LMA) is required in anesthetized patients. We sought to determine the optimal end-tidal concentrations of sevoflurane required for the removal of LMA in anesthetized adults. We studied 35 adults, aged ...
Beaulieu Kim E - - 2005
OBJECTIVE: To evaluate the use of a lithium dilution cardiac output (LiDCO) technique for measurement of CO and determine the agreement between LiDCO and thermodilution CO (TDCO) values in anesthetized cats. ANIMALS: 6 mature cats. PROCEDURE: Cardiac output in isoflurane-anesthetized cats was measured via each technique. To induce different rates ...
Eger Edmond I EI - - 2005
Context-sensitive decrement times for inhaled anesthetics connect two values: a) the duration of anesthesia (nominally at a constant alveolar concentration)-the "context" and b) the time to decrease the alveolar or vital tissue (e.g., brain, heart, kidney, and liver, collectively called the vessel-rich group of tissues) concentration by some fractional "decrement" ...
Hedenstierna Göran - - 2005
BACKGROUND: Oxygenation is impaired in almost all subjects during anesthesia, and hypoxemia for shorter or longer periods is a common finding. Moreover, postoperative lung complications occur in 3-10% after elective abdominal surgery and more in emergency operations. DISCUSSION: Rapid collapse of alveoli on induction of anesthesia and more widespread closure ...
Ferree T C - - 2005
A method of EEG analysis is described which provides new insights into EEG pathology in cerebral ischaemia. The method is based on a variant of detrended fluctuation analysis (DFA), which reduces short (10 s) segments of spontaneous EEG time series to two dimensionless scaling exponents. The spatial variability of each ...
Lai Hui-Chin - - 2005
STUDY OBJECTIVE: To define the depth of the thoracic epidural space in the paramedian axis. DESIGN: Retrospective study. SETTING: Operating room of a tertiary care medical center. PATIENTS: Nine hundred ninety-eight consecutive adults scheduled for elective major cardiothoracic/abdominal surgery and postoperative thoracic epidural pain control. INTERVENTIONS: The thoracic epidural pain ...
Culp Lindsey B - - 2005
OBJECTIVE: To compare the effects of acupuncture (AP), electroacupuncture (EA), and transcutaneous cranial electrical stimulation (TCES) with high-frequency intermittent currents on the minimum alveolar concentration (MAC) of isoflurane and associated cardiovascular variables in dogs. ANIMALS: 8 healthy adult female Beagles. PROCEDURE: Each dog was anesthetized with isoflurane on 4 occasions, ...
Sharifi S - - 2005
1. The aim of the present study was to evaluate the effects of tail fat on halothane biotransformation following similar anaesthetic exposure in intact sheep and sheep with a ligated median sacral artery. 2. A prospective randomized experimental study was performed using 12 healthy, 10-12-month-old female sheep. 3. Sheep were ...
Sarmiento Augusto - - 2005
We sought to determine if using aspirin and exercise as prophylaxis against thromboembolic disease in patients having total hip arthroplasties would provide results as effective as or better than those reported in the literature using other chemical agents. One thousand eight hundred thirty-five total hip arthroplasties were done in 1585 ...
Lamont Leigh A - - 2005
The study reported here was done to determine the relationship between bispectral index (BIS) values and minimum alveolar concentration (MAC) multiples of isoflurane in cats. Isoflurane MAC was determined using the tail-clamp method in eight domestic cats. Ten days later, the cats were anesthetized a second time with isoflurane at ...
d'Hollander A A - - 2005
In this study we quantitatively evaluated, by a stable paralysis/stable infusion rate method, the difference between two standardized paralysis levels--train-of-four (TOF) count of 2 responses and posttetanic count (PTC) of 2. Ten ASA physical status I-II consenting adult patients scheduled for elective surgery were anesthetized (sufentanil/propofol), tracheally intubated, mechanically normoventilated ...
Dönmez A - - 2005
BACKGROUND: The aim of this study was to assess the time needed to trigger an occlusion alarm, and the influence of the type of infusion pump, type and size of the syringe, and the set infusion rate. METHODS: Forty syringe pumps (20 JMS SP-100 and 20 JMS SP-500 machines) were ...
Ortiz-Gómez J R - - 2005
BACKGROUND AND OBJECTIVE: To evaluate orotracheal intubation conditions after 1 min. PATIENTS AND METHODS: A prospective randomized study with 376 adult American Society of Anesthesiologists (ASA) Grade I-III patients. Each patient received propofol, fentanyl and either suxamethonium (1 mg kg(-1)) or rocuronium. The intubating dose of rocuronium (2 x ED95) ...
Röhm K D - - 2005
Inhalational anaesthetics have been associated with hepatotoxicity. Even desflurane, with its low solubility in blood and tissues, and its minimal hepatic biotransformation, is known to affect hepatic integrity. The effects of propofol on hepatic function are, however, a matter of controversy. Alpha-glutathione S-transferase (alpha-GST), a sensitive and specific biomarker for ...
Costa Carina Gisele - - 2005
OBJECTIVES: The aim of this study was to compare the onset and duration of pulpal anesthesia by maxillary infiltration using 2% lidocaine with 1:100,000 epinephrine, 4% articaine with 1:200,000 epinephrine, and 4% articaine with 1:100,000 epinephrine. METHOD AND MATERIALS: Twenty healthy patients randomly received 1.8 mL of one of the ...
Bertelsen Mads F - - 2005
Induction and recovery from inhalation anesthesia of Dumeril's monitors (Varanus dumerili) using isoflurane, sevoflurane, and nitrous oxide (N2O) were characterized using a randomized crossover design. Mean times to induction for isoflurane in 100% oxygen (O2), sevoflurane in 100% O2, sevoflurane in 21% O2:79% nitrogen (N2; room air), and sevoflurane in ...
Gonter Aaron F - - 2005
Recent studies using preservative-free 2-chloroprocaine (2-CP) for spinal anesthesia have shown it to be a reliable short-acting drug that provides similar anesthesia to lidocaine. In this randomized, double-blind, crossover study, we compared the characteristics of spinal 2-CP (30 mg) with those of procaine (80 mg) in eight volunteers to determine ...
Temuçin C M - - 2005
OBJECTIVE: In epileptic disorders, EEG background activity is disorganized in or near the epileptogenic focus and spectral EEG analysis (SEA) can provide useful information about the focus. We tried to develop a new spectral index from basic spectral parameters to detect the epileptic abnormalities at EEG background activity. METHODS: A ...
Yildiz Karamehmet - - 2005
This study was conducted to compare the effects of intravenous fentanyl and intravenous fentanyl combined with bupivacaine infiltration on the hemodynamic response to skull pin insertion. 120 ASA I-II patients scheduled for elective craniotomy were included. The fentanyl group (group F, n = 60) received fentanyl during induction and prior ...
Kawaai Hiroyoshi - - 2005
Progressive muscular dystrophy may produce abnormal reactions to several drugs. There is no consensus of opinion regarding the continuous infusion of propofol in patients with progressive muscular dystrophy. We successfully treated 2 patients with progressive muscular dystrophy who were anesthetized with a continuous infusion of propofol. In case 1, a ...
Hans P - - 2005
BACKGROUND: The Bispectral Index (BIS) and spectral entropy of the electroencephalogram can be used to assess the depth of hypnosis. Ketamine is known to increase BIS in anaesthetized patients and may confound that index as a guide to steer administration of hypnotics. We compared the effects of ketamine on BIS, ...
Inoue Makoto - - 2004
PURPOSE: To compare vitreous concentrations of triamcinolone acetonide (TA) achieved by prior therapeutic intravitreal and subtenon injections. DESIGN: Interventional case series. METHODS: Vitreous samples were collected from patients who required vitreous surgery, six having received a subtenon injection of TA and another six, an intravitreal injection. Vitreous concentrations of TA ...
Schwab Hildebrand S - - 2004
At the minimum alveolar concentration (MAC) of inhaled anesthetics, 50% of subjects move in response to noxious stimulation. Similarly, at MAC-awake, 50% of subjects respond appropriately to command. The bispectral index (BIS) nominally measures the effect of anesthetics on wakefulness or consciousness. We postulated that the use of halothane with ...
Al-Refai Abdulrahman - - 2004
PURPOSE: To report the first use of spinal anesthesia for Cesarean section (CS) in a parturient with a long QT syndrome (LQTS) and an automatic implantable cardiac defibrillator (AICD). Although both general and epidural anesthesia have been described for CS in patients with LQTS, there are no previous case reports ...
Kuczkowski K M - - 2004
More than 100 years have passed since the initial description of the postdural puncture headache (PDPH). However, this unique clinical entity still continues to fascinate anesthesiologists, and numerous studies on its pathophysiology, prevention, and treatment, have been published. There is considerable variability in the incidence of PDPH, which is affected ...
Lane Helen J HJ University of Wales , Newport, - - 2004
Theory testing and construct measurement are inextricably linked. To date, no published research has looked at the factorial validity of an existing eating attitude inventory for use with exercisers. The Eating Attitude Test (EAT) is a 26-item measure that yields a single index of disordered eating attitudes. The original factor ...
Supandji Mia - - 2004
PURPOSE: To compare the duration of epidural analgesia induced by levobupivacaine and ropivacaine at clinically relevant doses. METHODS: Forty healthy nulliparous parturients with cervical dilatation of 3 to 5 cm and at least one contraction every two or three minutes were recruited. Patients were randomly assigned to receive either 10 ...
Chen Yu-Wen - - 2004
Tri-cyclic antidepressants (TCAs) have been widely used in treating major depressive disorders. Recent studies further demonstrated that TCAs have potent sodium channel blocking effect, and amitriptyline, one of the TCAs, has a potent spinal anesthetic effect. The aim of the study was to evaluate the spinal anesthetic effect of various ...
Shrigley Tina L TL Department of Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo , Ontario, - - 2004
The first purpose of the present study examined whether individuals with different exercise behaviors (classified by attendance) experienced different or similar cognitive patterns. It was hypothesized that different behavior would lead to different cognitive appraisals. It was predicted that there would be a difference between the three behavioral frequency groups ...
Ekman A - - 2004
In 21 patients given sevoflurane anesthesia, we simultaneously compared the abilities of Bispectral Index (BIS) and rapidly extracted auditory evoked potentials index (AAI) to display the effect of an increasing cerebral concentration of sevoflurane, with and without noxious stimulation. In addition to BIS/AAI, hemodynamic variables were monitored. After titrating sevoflurane ...
Levy Aharon - - 2004
The treatment of organophosphate-induced poisoning is based mainly on atropine and an oxime. Prompt anticonvulsive intervention is usually also required to terminate the ensuing seizure activity and to prevent delayed permanent brain damage. Midazolam, a water-soluble benzodiazepine agonist, has the advantage of rapid absorption following intramuscular administration. In mass casualty ...
Wild M R - - 2004
Patients who smoke are at risk of coughing and other adverse airway events during induction of anaesthesia. We have studied the incidence of adverse airway events in smokers under isoflurane or sevoflurane anaesthesia after induction with propofol. Smokers inhaling isoflurane had a 45% incidence of adverse airway events compared to ...
Vanluchene A L G - - 2004
BACKGROUND: We compared two spectral entropies, state entropy (SE) and response entropy (RE), based on the irregularity of the EEG, to measure loss of response to verbal command (LOR(verbal)) and noxious stimulus (LOR(noxious)) with the bispectral index (BIS) during propofol infusion with and without remifentanil. METHODS: Three groups of 20 ...
Alpiger S - - 2004
BACKGROUND: The use of clinical signs for assessing depth of anesthesia is unreliable during periods with little noxious stimulation. A patient may appear adequately anesthetized at one moment at a given level of stimulation, but may later, when facing other more intense stimuli, show signs of insufficient anesthesia. In order ...
Drexl Markus - - 2004
The volatile anesthetic isoflurane was tested for its effect on cochlear function by means of measuring distortion product otoacoustic emissions (DPOAE) and spontaneous otoacoustic emissions (SOAE) in the mustached bat (Pteronotus parnellii parnellii). Averaged growth functions of DPOAE and spontaneous otoacoustic emissions were assessed and compared between the control group ...
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