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Inhalator anaesthesia

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https://www.readbyqxmd.com/read/29137581/evidence-of-malignant-hyperthermia-in-patients-administered-triggering-agents-before-malignant-hyperthermia-susceptibility-identified-missed-opportunities-prior-to-diagnosis
#1
T Y Chan, T F Bulger, K M Stowell, R L Gillies, E E Langton, N E Street, N A Pollock
Malignant hyperthermia (MH) is a hypermetabolic disorder of skeletal muscle triggered almost exclusively by potent inhalational agents and suxamethonium. Signs of an MH reaction are non-specific and may be confused with the presentation of other problems such as sepsis and overheating of a patient. A high index of suspicion is needed to be aware of an early presentation of MH. Nine patients are presented who showed abnormal signs with an earlier anaesthetic where the possible diagnosis of an MH reaction was missed...
November 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/29121298/human-neural-correlates-of-sevoflurane-induced-unconsciousness
#2
B J A Palanca, M S Avidan, G A Mashour
Sevoflurane, a volatile anaesthetic agent well-tolerated for inhalation induction, provides a useful opportunity to elucidate the processes whereby halogenated ethers disrupt consciousness and cognition. Multiple molecular targets of sevoflurane have been identified, complementing imaging and electrophysiologic markers for the mechanistically obscure progression from wakefulness to unconsciousness. Recent investigations have more precisely detailed scalp EEG activity during this transition, with practical clinical implications...
October 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29121283/postoperative-pulmonary-complications-pulmonary-and-systemic-inflammatory-responses-after-lung-resection-surgery-with-prolonged-one-lung-ventilation-randomized-controlled-trial-comparing-intravenous-and-inhalational-anaesthesia
#3
F de la Gala, P Piñeiro, A Reyes, E Vara, L Olmedilla, P Cruz, I Garutti
Background: Recent studies report the immunomodulatory lung-protective role of halogenated anaesthetics during lung resection surgery (LRS) but have not investigated differences in clinical postoperative pulmonary complications (PPCs). The main goal of the present study was to compare the effect of sevoflurane and propofol on the incidence of PPCs in patients undergoing LRS. The second aim was to compare pulmonary and systemic inflammatory responses to LRS. Methods: Of 180 patients undergoing LRS recruited, data from 174 patients were analysed...
October 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29082904/a-study-of-intubating-conditions-sevoflurane-versus-propofol-suxamethonium-in-children
#4
Morayo M Salawu, Elizabeth O Ogboli-Nwasor, Shola S Jamgbadi, Fidelia N Akpa
BACKGROUND: Endotracheal intubation is an integral part of general anaesthesia in children, and the choice of induction agents and technique may affect the ease of intubation and thus the outcome of paediatric patients. We compared the ease of endotracheal intubation following sevoflurane and propofol-suxamethonium induction using Helbo-Hansen score. PATIENTS AND METHODS: A prospective, randomized double-blinded comparative study conducted on sixty-six children (two groups of 33 each) between the ages of 3-10 years undergoing different elective surgeries...
July 2017: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29051328/how-does-sevoflurane-induction-followed-by-a-ketamine-maintenance-infusion-affect-intraocular-pressure-establishment-of-an-anaesthetic-protocol-for-paediatric-glaucoma-examinations-under-anaesthesia
#5
Jessica Gwendoline van der Walt, Francois Roodt, Christopher Tinley
Accurate measurement of intraocular pressure (IOP) is essential in paediatric glaucoma management. Children require serial measurements and examination under anaesthesia (EUA). Most anaesthetic agents reduce IOP, and the ideal time to measure IOP under anaesthesia is questionable. STUDY PURPOSE: To determine the effect of sevoflurane induction, followed by intravenous ketamine infusion on IOP, in children undergoing EUA for glaucoma or suspected glaucoma, and to establish the earliest time point at which reliable, repeatable IOP measurements can be obtained under anaesthesia...
October 19, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29051000/pulsed-inhaled-nitric-oxide-improves-arterial-oxygenation-in-colic-horses-undergoing-abdominal-surgery
#6
Maja Wiklund, Izabella Granswed, Görel Nyman
OBJECTIVE: To evaluate the effect of pulsed inhaled nitric oxide (INO) on arterial oxygenation in horses during abdominal surgery. STUDY DESIGN: Prospective, randomized, clinical trial. ANIMALS: Thirty horses that underwent abdominal surgery at the University Animal Hospital in Uppsala, Sweden. METHODS: Anaesthesia was induced according to a standard protocol - romifidine, butorphanol, diazepam and ketamine and maintained with isoflurane in oxygen...
April 17, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29034967/evaluation-of-a-method-for-isocapnic-hyperventilation-a-clinical-pilot-trial
#7
K Hallén, P Jildenstål, O Stenqvist, S-E Ricksten, S Lindgren
BACKGROUND: Isocapnic hyperventilation (IHV) is a method that shortens time to extubation after inhalation anaesthesia using hyperventilation (HV) without lowering airway CO2 . In a clinical trial on patients undergoing long-duration sevoflurane anaesthesia for major ear-nose-throat (ENT) surgery, we evaluated the utility of a technique for CO2 delivery (DCO2 ) to the inspiratory limb of a closed breathing circuit, during HV, to achieve isocapnia. METHODS: Fifteen adult ASA 1-3 patients were included...
October 16, 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29034840/non-anaesthetic-effects-of-volatile-anaesthetics-a-short-trip-on-the-sea-of-translational-medicine
#8
Lukasz J Krzych, Anna J Szczepanska
BACKGROUND: Volatile anaesthetics (VA) are commonly used worldwide for induction and/or maintenance of general anaesthesia. They act in the central nervous system to reduce sensation and motor response during surgical and invasive diagnostic procedures. VAs also have some non-anaesthetic properties in the brain when administrated to patients at the extremes of age. Their biological impact on other organs should be taken into account during administration of anaesthesia. OBJECTIVE: In this review we summarize the recent knowledge on the non-anaesthetic effects of inhaled halogenic ethers on cells and tissues...
October 13, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29025825/comparison-of-the-cerebroprotective-effect-of-inhalation-anaesthesia-and-total-intravenous-anaesthesia-in-patients-undergoing-cardiac-surgery-with-cardiopulmonary-bypass-a-systematic-review-and-meta-analysis
#9
Feng Chen, Guangyou Duan, Zhuoxi Wu, Zhiyi Zuo, Hong Li
OBJECTIVE: Neurological dysfunction remains a devastating postoperative complication in patients undergoing cardiac surgery with cardiopulmonary bypass (CPB), and previous studies have shown that inhalation anaesthesia and total intravenous anaesthesia (TIVA) may produce different degrees of cerebral protection in these patients. Therefore, we conducted a systematic literature review and meta-analysis to compare the neuroprotective effects of inhalation anaesthesia and TIVA. DESIGN: Searching in PubMed, EMBASE, Science Direct/Elsevier, China National Knowledge Infrastructure and Cochrane Library up to August 2016, we selected related randomised controlled trials for this meta-analysis...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28969319/effects-of-propofol-and-surgery-on-neuropathology-and-cognition-in-the-3xtgad-alzheimer-transgenic-mouse-model
#10
F Mardini, J X Tang, J C Li, M J Arroliga, R G Eckenhoff, M F Eckenhoff
Background: Previous work suggests that anaesthesia and surgery amplify the pathology and cognitive impairment of animals made vulnerable via age or specific transgenes. We hypothesized that surgery under propofol anaesthesia, a widely used i.v. general anaesthetic, has minimal delayed cognitive and neuroinflammatory sequelae in a vulnerable mouse transgenic model. Methods: We conducted caecal ligation and excision surgery in cognitively presymptomatic (11-month-old) 3xTgAD mice under i...
September 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28894976/implicating-anaesthesia-and-the-perioperative-period-in-cancer-recurrence-and-metastasis
#11
Julia A Dubowitz, Erica K Sloan, Bernhard J Riedel
Cancer, currently the leading cause of death in the population aged less than 85 years, poses a significant global disease burden and is anticipated to continue to increase in incidence in both developed and developing nations. A substantial proportion of cancers are amenable to surgery, with more than 60% of patients undergoing tumour resection. Up to 80% of patients will receive anaesthesia for diagnostic, therapeutic or palliative intervention. Alarmingly, retrospective studies have implicated surgical stress in disease progression that is predominantly characterised by metastatic disease-the primary cause of cancer-associated mortality...
September 11, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28876566/a-survey-of-selected-key-areas-of-management-of-south-african-neurosurgical-patients
#12
C H Daniel, M D du Trevou
BACKGROUND: Previous surveys of neurosurgical patient management, including a South African (SA) survey conducted in 2001, confirmed the existence of significant dissimilarities in management on national and international levels. This survey aimed to determine current SA neurosurgical patient management and to compare this with international trends. METHOD: Questionnaires in multiple choice question (MCQ) and free text entry format covering key areas of neurosurgical practice were emailed to SA neurosurgeons following ethics approval...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28868167/comparing-the-effects-of-combined-general-epidural-anaesthesia-and-general-anaesthesia-on-serum-cytokine-levels-in-radical-cystectomy
#13
Meltem Savran Karadeniz, Orkhan Mammadov, Hayriye Şentürk Çiftci, Sebahat Akgül Usta, Kamil Pembeci
OBJECTIVE: Surgical stress combined with general anaesthesia (GA) suppresses the immune system and leads to cancer cell growth and premature metastasis in major oncological interventions. Epidural analgesia decreases the need for inhalation agents and opioids during surgery by suppressing sympathetic and neuroendocrine responses in the postoperative period. This study aimed to compare the effects of combined general/epidural anaesthesia (GEA)+patient-controlled epidural analgesia (PCEA) and GA+IV patient-controlled analgesia (PCA) on serum tumour necrosis factor-alpha TNF-α), interleukin-1 beta (IL-1β) and interferon-gamma (IFN-γ) levels in patients undergoing radical cystectomy...
August 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28675799/dr-snow-killed-a-bird-the-genesis-of-pharmacokinetics-and-pharmacodynamics-in-anaesthesia
#14
L E Mather
This essay presents a pharmacologist's perspective of what would be now called 'preclinical research' and 'uncontrolled clinical trials' surrounding the first public demonstration by William Thomas Green Morton of painless surgery achieved by the inhalation of ether in a patient at the Massachusetts General Hospital on 16 October 1846. Of the many people who made history in those earliest days of surgical anaesthesia in both the United States and Great Britain, John Snow stands out for his personal research that spanned basic science and clinical medicine...
March 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28658254/inhaled-nitric-oxide-prevents-nsaid-induced-renal-impairment-in-pseudo-normovolaemic-piglets
#15
Stephane Junot, Stephanie Keroak, Jerome R E Del Castillo, Jean-Yves Ayoub, Christian Paquet, Jeanne-Marie Bonnet-Garin, Eric Troncy
OBJECTIVE: Inhaled nitric oxide (iNO) is commonly used as a treatment of pulmonary hypertension. Its action is purported to be specific to the lung, but extrapulmonary effects have been reported. The objective of this study was to evaluate if iNO could compensate the renal impairment induced by ketoprofen, a conventional non-steroidal anti-inflammatory drug (NSAID), during general anaesthesia. METHODS: Under pseudo-normovolaemic condition, thirty piglets were randomly assigned into 5 equal groups and equipped for renal and systemic parameters measurements...
2017: PloS One
https://www.readbyqxmd.com/read/28625437/inhalation-versus-intravenous-anaesthesia-for-adults-undergoing-on-pump-or-off-pump-coronary-artery-bypass-grafting-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#16
REVIEW
Regina El Dib, José E Guimarães Pereira, Arnav Agarwal, Huda Gomaa, Ana Patricia Ayala, Andresa Graciutti Botan, Leandro Gobbo Braz, Luciane Dias de Oliveira, Luciane Cruz Lopes, Preethy J Mathew
STUDY OBJECTIVE: To compare the use of inhalation versus intravenous anaesthesia for adults undergoing on-pump or off-pump coronary artery bypass grafting. DESIGN: A systematic review. SETTING: A hospital-affiliated university. MEASUREMENTS: The following databases were searched: the Cochrane Central Register of Controlled Trials (CENTRAL 2016, Issue 10), MEDLINE, EMBASE, and LILACS (from inception to October 2016). We used the GRADE approach to rate overall certainty of the evidence...
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28619111/two-minute-disconnection-technique-with-a-double-lumen-tube-to-speed-the-collapse-of-the-non-ventilated-lung-for-one-lung-ventilation-in-thoracoscopic-surgery
#17
RANDOMIZED CONTROLLED TRIAL
Qiongzhen Li, Xiaofeng Zhang, Jingxiang Wu, Meiying Xu
BACKGROUND: Thoracic surgery requires the effective collapse of the non-ventilated lung. In the majority of cases, we accomplished, accelerated lung collapse using a double-lumen tube (DLT). We hypothesized that using the two-minute disconnection technique with a DLT would improve lung collapse during subsequent one-lung ventilation. METHODS: Fifty patients undergoing thoracoscopic surgery with physical classification I or II according to the American Society of Anesthesiologists were randomly divided into two groups for respiratory management of one-lung ventilation (OLV)...
June 15, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28575197/visual-recognition-memory-is-impaired-in-rhesus-monkeys-repeatedly-exposed-to-sevoflurane-in-infancy
#18
M C Alvarado, K L Murphy, M G Baxter
Background: Experimental studies in animals have shown that exposure to general anaesthesia in infancy can cause loss of cells in the central nervous system and long-term impairments in neurocognitive function. Some human epidemiological studies have shown increased risk of learning disability after repeated anaesthesia exposure in early childhood. Thus, we investigated in a highly translational rhesus monkey model, whether repeated exposure in infancy to the inhalation anaesthetic sevoflurane is associated with impaired visual recognition memory during the first two yr of life...
September 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28498903/efficacy-and-safety-of-inhaled-anaesthetic-for-postoperative-sedation-during-mechanical-ventilation-in-adult-cardiac-surgery-patients-a-systematic-review-and-meta-analysis
#19
J Spence, E Belley-Côté, H K Ma, S Donald, J Centofanti, S Hussain, S Gupta, P J Devereaux, R Whitlock
The aim was to evaluate the efficacy and safety of volatile anaesthetic for postoperative sedation in adult cardiac surgery patients through a systematic review and meta-analysis. We retrieved randomized controlled trials from MEDLINE, EMBASE, CENTRAL, Web of Science, clinical trials registries, conference proceedings, and reference lists of included articles. Independent reviewers extracted data, including patient characteristics, type of intraoperative anaesthesia, inhaled anaesthetic used, comparator sedation, and outcomes of interest, using pre-piloted forms...
May 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28462846/effect-of-detomidine-or-romifidine-constant-rate-infusion-on-plasma-lactate-concentration-and-inhalant-requirements-during-isoflurane-anaesthesia-in-horses
#20
MChie Niimura Del Barrio, Rachel C Bennett, J M Lynne Hughes
OBJECTIVE: Influence of detomidine or romifidine constant rate infusion (CRI) on plasma lactate concentration and isoflurane requirements in horses undergoing elective surgery. STUDY DESIGN: Prospective, randomised, blinded, clinical trial. ANIMALS: A total of 24 adult healthy horses. METHODS: All horses were administered intramuscular acepromazine (0.02 mg kg(-1)) and either intravenous detomidine (0.02 mg kg(-1)) (group D), romifidine (0...
March 30, 2017: Veterinary Anaesthesia and Analgesia
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