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Hamlin Shannan K SK Nursing Research and Evidence-Based Practice, Houston Methodist Hospital, MGJ 11-017, Houston, TX 77030, USA. Electronic address: - - 2014
Functional components of the microcirculation provide oxygen and nutrients and remove waste products from the tissue beds of the body's organs. Shock states overwhelmingly stress functional capacity of the microcirculation, resulting in microcirculatory failure. In septic shock, inflammatory mediators contribute to hemodynamic instability. In nonseptic shock states, the microcirculation is ...
Denault André A Department of Anesthesiology, Critical Care Division, Montreal Heart Institute, Université de Montréal, 5000 Bélanger Street, Montreal, QC, H1T 1C8, Canada, - - 2014
Shock is defined as a situation where oxygen transport is inadequate to meet the body's oxygen demand. An understanding of the mechanism(s) of reduced cardiac output, a determinant of oxygen transport, is crucial in order to initiate appropriate therapy to manage shock. Combining the concept of venous return with the ...
August David A DA Division of Pediatric Anesthesia, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA, - - 2014
We report the effects of 88 μg·kg(-1) of epinephrine (1 : 10 000) injected into the caudal epidural space of a 42-week postconceptual age infant. No long-term neurological or cardiovascular sequelae occurred. Noninvasive cardiac output (CO) monitoring revealed increased CO, contractility, and stroke volume for about an hour, accompanied by a reduction in peripheral ...
Steblaj Barbara B Department of Surgery and Anaesthesia of Domestic Animals, Faculty of Veterinary Medicine, University of Ghent, Merelbeke, - - 2014
To compare pulmonary function and gas exchange in ponies during maintenance of anaesthesia with isoflurane or by a total intravenous anaesthesia (TIVA) technique. Experimental, cross-over study. Six healthy ponies weighing mean 286 (range 233-388) ± SD 61 kg, age 13 (9-16) ± 3 years. The ponies were anaesthetized twice, a minimum of two weeks apart. ...
Higashi Midoriko M Operating Rooms, Kyushu University Hospital, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan, - - 2014
Roller pump infusion devices are widely used for rapid infusion, and may be combined with separate warming devices. There may be instances however, where the pressures generated by the roller pump may not be compatible with the warming device. We assessed a commonly used roller pump in combination with a ...
Romero Carlos M CM Unidad de Pacientes Críticos, Departamento de Medicina, Hospital Clínico Universidad de Chile, Santiago Norte, Chile. Electronic address: - - 2014
Central venous oxygen saturation calculated by gasometry (Gaso-Scvo2) is more available than central venous oxygen saturation measured by co-oximetry (Co-oxy-Scvo2) in environments with less resources and underdeveloped countries. Therefore, we aimed to determine the agreement between Co-oxy-Scvo2 and Gaso-Scvo2 and between central venous oxygen tension measured by gasometry (Gaso-Pcvo2) and ...
Tünsmeyer Julia J Small Animal Clinic, University of Veterinary Medicine Hannover Foundation, Hannover, - - 2014
To determine the agreement of high definition oscillometry (HDO) with direct arterial blood pressure measurements in normotensive, hypotensive and hypertensive horses during general anaesthesia. Experimental study. Seven healthy warmblood horses, aged 3-11 years, weighing 470-565 kg. Measurements from a HDO device with the cuff placed around the base of the tail were ...
Davis J J College of Veterinary Medicine, School of Veterinary and Life Sciences, Murdoch University, Western Australia, Australia - - 2014
Optimal mechanical ventilation of the pregnant ewe during anaesthesia is of vital importance for maintaining fetal viability. This study aimed to compare peak inspiratory pressure (PIP), oxygenation and cardiovascular parameters with pressure-control (PCV) or volume-control (VCV) mechanical ventilation of anaesthetized pregnant sheep. Twenty ewes at 110 days gestation underwent general ...
Boselli E E Department of Anaesthesiology and Intensive Care, Édouard Herriot hospital, Hospices Civils de Lyon, Lyon, France - - - 2014
The Analgesia/Nociception Index (ANI), a 0--100 non--invasive index calculated from heart rate variability, reflects the analgesia/nociception balance during general anaesthesia. The principal objective of this study was to evaluate the performance of ANI to predict haemodynamic reactivity during suspension laryngoscopy. The secondary objectives were to investigate the performances of ANI ...
Fathalizadeh Aidin - - 2014
A variable pressure (up to 10 atmospheres), powder/gas/liquid injection inductively coupled plasma system has been developed and used to produce high quality boron nitride nanotubes (BNNTs) at continuous production rates of 35 g/hour. Under suitable conditions, collapsed BN nanotubes (i.e. nanoribbons), and closed shell BN capsules (i.e. nanococoons), are also ...
Bucaretchi F F Department of Pediatrics, Faculty of Medical Sciences, State University of Campinas (UNICAMP) , Campinas, SP , - - 2014
Abstract Context. In order to report the outcome of a patient who developed compartment syndrome after South American rattlesnake (Crotalus durissus terrificus) envenomation, confirmed by subfascial pressure measurement and magnetic resonance imaging (MRI). Case details. A 63-year-old male was admitted 1 h after being bitten on the right elbow by ...
Brozović Gordana G Department of Anaesthesiology and Intensive Care, University Medical Center Sestre Milosrdnice, Zagreb, Croatia, - - 2014
An allergic reaction during the caesarean section can be harmful for mother and foetus. Our patient has undergone an urgent caesarean section due to the imminent threat of foetal hypoxia. After operation, we applied prolonged mechanical ventilation. The anaesthesia was induced with thiopental and suxamethonium. Suxamethonium is associated with the ...
Hemmes Baukje B Network Acute Care Limburg, Maastricht University Medical Center, Maastricht, The Netherlands. Electronic address: - - 2014
Immobilization of the spine of patients with trauma at risk of spinal damage is usually performed using a rigid long spineboard or vacuum mattress, both during prehospital and in-hospital care. However, disadvantages of these immobilization devices in terms of discomfort and tissue-interface pressures have guided the development of soft-layered long ...
Xu Zhanhong Z The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, - - 2014
The purpose of this study was to investigate whether the previously described per oral escape of sevoflurane during general anaesthesia is influenced by the method of cuff inflation and the intra-cuff pressures achieved. A total of 30 patients undergoing intracranial surgery participated in the study. Cuffs were inflated under manual ...
Loveman Geoffrey Am GA Principal Scientist, QinetiQ, Maritime Life Support, Haslar Marine Technology Park, Haslar Road, Gosport, Hampshire UK. PO12 2AG, Phone: +44-(0)2392-335151, Fax: +44-(0)2392-335197, E-mail: - - 2014
The objective of this study was to determine whether adverse effects from a rapid drop in inspired carbon dioxide partial pressure (PiCO₂) in the breathing gas could hinder or prevent submarine tower escape. A total of 34 male volunteers, mean (SD) age 33.8 (7.5) years, completed the trial. They breathed ...
Benes Jan J Department of Anaesthesia and Intensive Care Medicine, Teaching Hospital and Faculty of Medicine in Plzen, Charles University Prague, Alej Svobody 80, 306 40, Plzeň, Czech Republic, - - 2014
Intermittent blood pressure (BP) monitoring is the standard-of-care during low and intermediate risk anaesthesia, yet it could lead to delayed recognition of BP fluctuations. Perioperative hypotension is known to be associated with postoperative complications. Continuous, non-invasive methods for BP monitoring have been developed recently. We have tested a novel non-invasive, ...
Pöppel Nina N Equine Clinic, University of Veterinary Medicine Hanover, Foundation, Hanover, - - 2014
To determine the influence of ketamine or xylazine constant rate infusions on isoflurane requirements, cardiovascular parameters and quality of anaesthesia in horses undergoing elective surgery. Prospective, matched paired clinical trial. Fifty four adult Warmblood horses. After premedication with acepromazine, xylazine and butorphanol, anaesthesia was induced with ketamine-midazolam and maintained with ...
Sachdeva R R University Hospital Birmingham, Birmingham, - - 2014
The practice of checking the ability to mask ventilate before administering neuromuscular blocking drugs remains controversial. We prospectively evaluated the changes in the expired tidal volume during pressure-controlled ventilation (two-handed mask ventilation technique) as a surrogate marker to assess the ease of mask ventilation following administration of rocuronium. After informed ...
Rezazadeh Hossein - - 2014
Introduction. Opiates are traditionally used for treatment of some acute heart disorders. There are only few reports on the effects of long-term treatment of cardiovascular diseases with morphine. This study aimed to investigate the effects of chronic low-dose morphine use on the cardiovascular system in two-kidney one-clip (2K1C) hypertensive rats.Materials ...
Musk Gabrielle C GC School of Veterinary and Life Sciences, Murdoch University, Australia. Electronic address: - - 2014
To determine the accuracy of Doppler blood pressure measurement in anaesthetised pigs eight large white pigs (Sus scrofa) were anaesthetised with zolazepam and tiletamine as Zoletil 100 (4 mg/kg) and xylazine (2 mg/kg) by intramuscular injection followed by isoflurane in 100% oxygen. Blood pressure measurements were recorded using a Doppler probe on ...
Hong D M DM Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul, - - 2014
We evaluated whether pulse pressure variation can predict fluid responsiveness in spontaneously breathing patients. Fifty-nine elective thoracic surgical patients were studied before induction of general anaesthesia. After volume expansion with hydroxyethyl starch 6 ml.kg(-1) , patients were defined as responders by a ≥ 15% increase in the cardiac index. Haemodynamic variables were ...
Weiss E E Department of Anaesthesia, Hôpital Foch, University Versailles Saint-Quentin en Yvelines, 92151 Suresnes, - - 2014
/st>Standard non-invasive arterial pressure (AP) measurements are discontinuous. By providing non-invasive beat-to-beat AP measurements, Nexfin™ might limit duration of intraoperative hypotension and hypertension. We assessed the ability of Nexfin™ to detect AP variations by comparing its trending ability with invasive AP monitoring. /st>Thirty-one subjects undergoing elective surgery under general anaesthesia ...
Chan Thomas Y K - - 2014
Objective: Methyldopa, a centrally acting antihypertensive drug, has been in use since the 1960s, but reports of (severe) overdose are rare. We present a case of severe methyldopa overdose with prolonged profound hypotension. Case summary: A 50-year-old woman developed sinus bradycardia, prolonged profound hypotension, and drowsiness after ingesting over 300 ...
Okushima Sayaka S Dick White Referrals, Six Mile Bottom, Cambridgeshire, - - 2014
To compare the effect of alfaxalone and propofol on heart rate (HR) and blood pressure (BP) after fentanyl administration in healthy dogs. Prospective, randomised clinical study. Fifty healthy client owned dogs (ASA I/II) requiring general anaesthesia for elective magnetic resonance imaging for neurological conditions. All dogs received fentanyl 7 μg kg(-1) IV ...
Vos J J JJ Department of Anesthesiology, University of Groningen, University Medical Center Groningen, Hanzeplein 1, PO Box 30 001, 9700 RB Groningen, The - - 2014
/st>For a majority of patients undergoing anaesthesia for general surgery, mean arterial pressure (MAP) is only measured intermittently by arm cuff oscillometry (MAPiNIAP). In contrast, the Nexfin(®) device provides continuous non-invasive measurement of MAP (MAPcNIAP) using a finger cuff. We explored the agreement of MAPcNIAP and MAPiNIAP with the gold ...
Huttmann Sophie E SE Kliniken der Stadt Köln gGmbH, Witten/Herdecke University Hospital, Department of Pneumology, Cologne-Merheim Hospital, Cologne, Germany ; - - 2014
The relationship between an elevated partial pressure of carbon dioxide (PCO2) and reduced alveolar ventilation resulting from respiratory failure primarily affecting the respiratory pump was first discovered during the 1952 Copenhagen polio epidemic. Several methods for PCO2 estimation, such as blood gas analyses, capnography, and transcutaneous PCO2 measurements, have since ...
Yeung Kristen R KR University of Western Sydney, School of Medicine, Campbelltown, NSW, - - 2014
The aim of this study was to assess agreement between different methods of blood pressure measurement in anaesthetised baboons. Systolic and diastolic blood pressure (SBP and DBP) were measured in anaesthetised baboons using intra-arterial radiotelemetry, automated oscillometry and mercury sphygmomanometry. Correlation between the different methods was assessed. The correlation between ...
Son Won-Gyun WG Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Seoul National University, Seoul, South - - 2014
To determine the effect of injection speed on epidural pressure (EP), injection pressure (IP), epidural distribution (ED) of solution, and extent of sensory blockade (SB) during lumbosacral epidural anesthesia in dogs. Prospective experimental trial. Ten healthy adult Beagle dogs weighing 8.7 ± 1.6 kg. General anesthesia was induced with propofol administered intravenously and ...
Freiermuth D D Department of Anaesthesia and Intensive Care Medicine, University Hospital Basel, CH-4031 Basel, - - 2014
/st>Animal and in vitro studies suggest that volatile anaesthetics affect left atrial (LA) performance. We hypothesized that human LA pump function and dimensions are altered by volatile anaesthetics in vivo. /st>We performed transthoracic echocardiographic (TTE) measurements in 59 healthy subjects (aged 18-48 yr) undergoing minor surgery under general anaesthesia. The ...
Lim Eugene E Department of Plastic and Reconstructive Surgery, The Royal Melbourne Hospital, Melbourne, Victoria, - - 2014
The ability to tolerate a tourniquet is often the limiting factor to elective and emergent procedures of the upper limb performed under local anaesthesia. This study aims to demonstrate that upper limb tourniquets are more predictably and better tolerated when inflated to 200 mmHg than to the traditional inflation pressure of ...
Pratt S D SD Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA. Electronic address: - - 2014
During an epidural blood patch, we inject blood until the patient describes mild back pressure, often leading to injection of more than 20mL of blood. We undertook this study to measure the epidural pressures generated during an epidural blood patch and to identify the impact of volume on epidural elastance ...
Kok Madeleine M From the *Department of Radiology, †CARIM School for Cardiovascular Diseases, Departments of ‡Clinical Chemistry, and §Cardiology, Maastricht University Medical Center, Maastricht, The Netherlands; Departments of ∥Neuroradiology, and ¶Nuclear Medicine, University Hospital RWTH Aachen, Aachen, - - 2014
Iodinated contrast media (CM) in computed tomographic angiography is characterized by its concentration and, consecutively, by its viscosity. Viscosity itself is directly influenced by temperature, which will furthermore affect injection pressure. Therefore, the purposes of this study were to systematically evaluate the viscosity of different CM at different temperatures and ...
Modi Manisha P MP Department of Anaesthesia and Critical Care, GR. Doshi and KM Mehta Institute of Kidney Diseases and Research Centre, Asarwa, Ahmedabad, Gujarat, India ; Department of Anaesthesia and Critical Care, Dr. HL Trivedi Institute of Transplantation Sciences, Asarwa, Ahmedabad, Gujarat, - - 2014
To assess outcome from anaesthesia during laparoscopic bilateral simultaneous nephrectomy. Retrospective study. Preoperative Hb%, serum potassium, coagulation profile electrocardiography (ECG) changes, 2D Echography, x-ray chest, haemodynamic changes, end-tidal carbon dioxide (EtCO2), fluid management and postoperative analgesia. The mean age was 24.75 ± 14.35 years. The mean duration of surgery was ...
Chemonges Saul S 0000-0001-7206-137X Critical Care Research Group Laboratory, The Prince Charles Hospital, The University of Queensland, 3rd Floor, Clinical Sciences Building, Rode Road, Chermside, QLD 4032, - - 2014
This study aimed to determine the effect of intermittent positive pressure ventilation (IPPV) on the depth of inhalation anaesthesia in parrots. Anaesthesia was induced with 3.0% isoflurane in six Sulphur-crested Cockatoos (Cacatua galerita galerita) and maintained using either 1.5% or 3.0% during spontaneous ventilation (SV) or IPPV at 6 (IPPV-6) ...
Janssen Hauke H Department of Anaesthesiology, Emergency and Intensive Care Medicine, University of Göttingen Medical School, Robert-Koch Str. 40, Göttingen 37075, - - 2014
Shoulder surgery is often performed in the beach-chair position, a position associated with arterial hypotension and subsequent risk of cerebral ischaemia. It can be performed under general anaesthesia or with an interscalene brachial plexus block, each of which has specific advantages but also specific negative effects on blood pressure control. ...
Zhao Liang L Department of Cardiovascular Surgery, Xinqiao Hospital, Third Military Medical University, Chongqing, - - 2014
In prolonged hemorrhagic shock, reductions in intestinal mucosal blood perfusion lead to mucosal barrier damage and systemic inflammation. Gastrointestinal failure in critically ill patients has a poor prognosis, so early assessment of mucosal barrier injury in shock patients is clinically relevant. Unfortunately, there is no serum marker that can accurately ...
Conti Ricardo Augusto Slaibi RA Intensive Care Unit Director, Chester River Hospital, University of Maryland System, MD, USA ; Academic Hospitalist and Intermediate Care Unit Director, Saint Agnes Hospital, Baltimore, MD, - - 2014
We report a patient with low-pressure cardiac tamponade masquerading as sepsis and as the initial presentation of malignancy. A quick diagnosis was done by the intensivist performing a bedside ultrasound. The diagnosis of low-pressure cardiac tamponade is a challenge because the classic physical signs of cardiac tamponade can be absent. ...
Frey U H UH Klinik für Anästhesiologie und Intensivmedizin, Universität Duisburg-Essen and Universitätsklinikum, Essen, - - 2013
/st>While the β2-adrenoceptor pathway is essential for cardiovascular regulation, the impact of ADRB2 gene variations on circulatory responses is unclear, possibly due to neural compensatory mechanisms. We tested the hypotheses that (i) sympathetic block by thoracic epidural anaesthesia (TEA) unmasks the influence on arterial pressure of genetic variations and (ii) ...
Lovati C - - 2013
Aim: Interactions between blood pressure control, sleep and headache have been largely studied, although not well understood. We designed a study trying to simultaneously evaluate all three aspects in the same subjects. We particularly concentrated on the observation of physiological blood pressure circadian rhythm, and the presence of cutaneous allodynia ...
Colombo Riccardo - - 2013
Surgical plethysmographic index (SPI) has been proposed as a tool to measure the nociception/antinociception balance during general anaesthesia. Untreated nociception may increase sympathetic tone, but the relationship between SPI and the autonomic nervous system (ANS) is poorly understood. We hypothesised that two different levels of SPI might be associated with ...
Sng B L - - 2013
Hypotension necessitating vasopressor administration occurs commonly during caesarean section under spinal anaesthesia. We developed a novel vasopressor delivery system that automatically administers phenylephrine or ephedrine based on continuous non-invasive arterial pressure monitoring. A phenylephrine bolus of 50 μg was given at 30-s intervals when systolic blood pressure fell < 90% of baseline; ...
Staikou C - - 2013
Background: New scientific findings are gradually implemented into daily clinical routine. The present questionnaire survey investigated the current practice in obstetric anaesthesia in Europe. Methods: A 19-point questionnaire on obstetric anaesthesia practices, regarding the techniques, drugs, fluids, vasopressors and safety measures, was uploaded on the site of the European Society ...
Ledowski T - - 2013
The Analgesia Nociception Index has been described to reflect different levels of intraoperative nociceptive stimulation during total intravenous anaesthesia. The association between this index and haemodynamic changes during sevoflurane-based anaesthesia was investigated in 30 patients with the hypothesis that changes in the Analgesia Nociception Index may coincide with or even ...
Salla Kati - - 2013
To compare the haemodynamic effects of three premedicant regimens during propofol-induced isoflurane anaesthesia. Prospective, randomized cross-over study. Eight healthy purpose-bred beagles aged 4 years and weighing mean 13.6 ± SD 1.9 kg. The dogs were instrumented whilst under isoflurane anaesthesia prior to each experiment, then allowed to recover for 60 minutes. Each dog was treated ...
Kim Yang In - - 2013
Rationale: Increased arginine-vasopressin (AVP) secretion is a key physiological response to hyperosmotic stress and may be part of the mechanism by which high-salt diets induce or exacerbate hypertension. Objective: Employing deoxycorticosterone acetate (DOCA)-salt hypertension model rats, we sought to test the hypothesis that changes in GABAA receptor-mediated inhibition in AVP-secreting ...
Kim J Y - - 2013
We report a case of significant reduction in bispectral index (BIS) associated with suspected amniotic fluid embolism (AFE) that occurred prior to change in haemodynamic variables. The patient was a 29-year-old nulliparous, who was admitted for Caesarean section under general anaesthesia in the 33rd week of pregnancy. After the baby ...
Koperwas K - - 2013
In this Letter, we show how temperature and density fluctuations affect the spatially heterogeneous dynamics at ambient and elevated pressures. By using high-pressure experimental data for van der Waals liquids, we examine contributions of the temperature and density fluctuations to the dynamics heterogeneity. We show that the dynamic heterogeneity decreases ...
Franks Rm - - 2013
We suspected that many high blood pressure measurements taken in our anaesthetic pre-assessment clinic and immediately prior to induction of anaesthesia were unusually elevated due to a 'white coat' effect. These high blood pressure measurements were causing late cancellations of surgery, even though white coat measurements may not be representative ...
Chakravarti Sucharita S Department of Anaesthesia, Fortis Hospitals, Anandapur, - - 2013
Inhalational anaesthetic agents are usually liquids at room temperature and barometric pressure and need to be converted to vapour before being used and this conversion is effected using a vapouriser. Vapourisers have evolved from very basic devices to more complicated ones. Anaesthetists should understand the basic principles of anaesthetic vapouriser, ...
Patil Vijaya P VP Department of Anaesthesia, Critical Care and Pain, Tata Memorial Hospital, Parel, Mumbai, Maharashtra, - - 2013
Over the years, the conventional anaesthesia machine has evolved into an advanced carestation. The new machines use advanced electronics, software and technology to offer extensive capabilities for ventilation, monitoring, inhaled agent delivery, low-flow anaesthesia and closed-loop anaesthesia. They offer integrated monitoring and recording facilities and seamless integration with anaesthesia information ...
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