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Methoxyflurane

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https://www.readbyqxmd.com/read/27858327/erratum-to-methoxyflurane-a-review-in-trauma-pain
#1
Hannah A Blair, James E Frampton
No abstract text is available yet for this article.
November 17, 2016: Clinical Drug Investigation
https://www.readbyqxmd.com/read/27853742/psychomotor-and-cognitive-effects-of-15-minute-inhalation-of-methoxyflurane-in-healthy-volunteers-implication-for-post-colonoscopy-care
#2
Nam Q Nguyen, Jenna Burgess, Tamara L Debreceni, Leanne Toscano
Background and study aims: Colonoscopy with portal inhaled methoxyflurane (Penthrox) is highly feasible with low sedation risk and allows earlier discharge. It is unclear if subjects can return to highly skilled psychomotor skill task shortly after Penthrox assisted colonoscopy. We evaluated the psychomotor and cognitive effects of 15-minute inhalation of Penthrox in adults. Patients and methods: Sixty healthy volunteers (18 to 80 years) were studied on 2 occasions with either Penthrox or placebo in a randomized, double-blind fashion...
November 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27738897/methoxyflurane-a-review-in-trauma-pain
#3
Hannah A Blair, James E Frampton
Methoxyflurane (Penthrox(®)) is a halogenated ether first used clinically as a volatile inhalational anaesthetic. It has been used as an analgesic in Australia and New Zealand for the past 30 years. In the UK and Europe, methoxyflurane has been approved for the emergency relief of moderate to severe trauma pain in conscious adult patients. Methoxyflurane is self-administered using a hand-held inhaler. This article reviews the pharmacological properties of methoxyflurane and its clinical efficacy and tolerability in these patients...
December 2016: Clinical Drug Investigation
https://www.readbyqxmd.com/read/27567918/methoxyflurane-analgesia-in-adult-patients-in-the-emergency-department-a-subgroup-analysis-of-a-randomized-double-blind-placebo-controlled-study-stop
#4
Frank Coffey, Patrick Dissmann, Kazim Mirza, Mark Lomax
INTRODUCTION: Acute pain remains highly prevalent in the Emergency Department (ED) setting. This double-blind, randomized, placebo-controlled UK study investigated the efficacy and safety of low-dose methoxyflurane analgesia for the treatment of acute pain in the ED in the adult population of the STOP! trial. METHODS: Patients presenting to the ED requiring analgesia for acute pain (pain score of 4-7 on the Numerical Rating Scale) due to minor trauma were randomized in a 1:1 ratio to receive methoxyflurane (up to 6 mL) or placebo (normal saline), both via a Penthrox(®) (Medical Developments International Limited, Scoresby, Australia) inhaler...
November 2016: Advances in Therapy
https://www.readbyqxmd.com/read/27181451/derivation-of-an-occupational-exposure-limit-for-an-inhalation-analgesic-methoxyflurane-penthrox-%C3%A2
#5
John Frangos, Antti Mikkonen, Christin Down
Methoxyflurane (MOF) a haloether, is an inhalation analgesic agent for emergency relief of pain by self administration in conscious patients with trauma and associated pain. It is administered under supervision of personnel trained in its use. As a consequence of supervised use, intermittent occupational exposure can occur. An occupational exposure limit has not been established for methoxyflurane. Human clinical and toxicity data have been reviewed and used to derive an occupational exposure limit (referred to as a maximum exposure level, MEL) according to modern principles...
October 2016: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/27147481/the-epidemiology-of-pain-in-children-treated-by-paramedics
#6
Bill Lord, Paul A Jennings, Karen Smith
OBJECTIVES: The present study aimed to describe paramedic assessment and management of pain in children in a large state-wide ambulance service. METHODS: A retrospective cohort study included paediatric patients (aged less than 15 years) treated and transported by paramedics in the Australian state of Victoria between 1 January 2008 and 31 December 2011. Primary outcome measures were the frequency of analgesic administration and odds of receiving any analgesic (morphine, fentanyl or methoxyflurane)...
June 2016: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/26947011/delayed-application-of-the-anesthetic-propofol-contrasts-the-neurotoxic-effects-of-kainate-on-rat-organotypic-spinal-slice-cultures
#7
Dzejla Bajrektarevic, Andrea Nistri
Excitotoxicity due to hyperactivation of glutamate receptors is thought to underlie acute spinal injury with subsequent strong deficit in spinal network function. Devising an efficacious protocol of neuroprotection to arrest excitotoxicity might, therefore, spare a substantial number of neurons and allow later recovery. In vitro preparations of the spinal cord enable detailed measurement of spinal damage evoked by the potent glutamate analogue kainate. Any clinically-relevant neuroprotective treatment should start after the initial lesion and spare networks for at least 24h when cell damage plateaus...
May 2016: Neurotoxicology
https://www.readbyqxmd.com/read/26930091/s10-methoxyflurane-like-a-phoenix-rising-from-the-ashes
#8
Lori Dangler
No abstract text is available yet for this article.
July 2015: Journal of Anesthesia History
https://www.readbyqxmd.com/read/26877169/self-administered-methoxyflurane-for-procedural-analgesia-experience-in-a-tertiary-australasian-centre
#9
RANDOMIZED CONTROLLED TRIAL
A L Gaskell, C G Jephcott, J R Smithells, J W Sleigh
Methoxyflurane, an agent formerly used as a volatile anaesthetic but that has strong analgesic properties, will soon become available again in the UK and Europe in the form of a small hand-held inhaler. We describe our experience in the use of inhaled methoxyflurane for procedural analgesia within a large tertiary hospital. In a small pilot crossover study of patients undergoing burns-dressing procedures, self-administered methoxyflurane inhalation was preferred to ketamine-midazolam patient-controlled analgesia by five of eight patients...
April 2016: Anaesthesia
https://www.readbyqxmd.com/read/26543451/efficacy-of-the-methoxyflurane-as-bridging-analgesia-during-epidural-placement-in-laboring-parturient
#10
Jamil S Anwari, Laith Khalil, Abdullah S Terkawi
BACKGROUND: Establishing an epidural in an agitated laboring woman can be challenging. The ideal pain control technique in such a situation should be effective, fast acting, and short lived. We assessed the efficacy of inhalational methoxyflurane (Penthrox™) analgesia as bridging analgesia for epidural placement. MATERIALS AND METHODS: Sixty-four laboring women who requested epidural analgesia with pain score of ≥7 enrolled in an observational study, 56 of which completed the study...
October 2015: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/26528506/portable-inhaled-methoxyflurane-is-feasible-and-safe-for-colonoscopy-in-subjects-with-morbid-obesity-and-or-obstructive-sleep-apnea
#11
Nam Q Nguyen, Leanne Toscano, Matthew Lawrence, Vinh-An Phan, Rajvinder Singh, Peter Bampton, Robert J Fraser, Richard H Holloway, Mark N Schoeman
BACKGROUND AND STUDY AIMS: Colonoscopy with inhaled methoxyflurane (Penthrox) is well tolerated in unselected subjects and is not associated with respiratory depression. The aim of this prospective study was to compare the feasibility, safety, and post-procedural outcomes of portable methoxyflurane used as an analgesic agent during colonoscopy with those of anesthesia-assisted deep sedation (AADS) in subjects with morbid obesity and/or obstructive sleep apnea (OSA). PATIENTS AND METHODS: The outcomes of 140 patients with morbid obesity/OSA who underwent colonoscopy with either Penthrox inhalation (n = 85; 46 men, 39 women; mean age 57...
October 2015: Endoscopy International Open
https://www.readbyqxmd.com/read/26252729/adsorption-of-fluorinated-anesthetics-within-the-pores-of-a-molecular-crystal
#12
Teng-Hao Chen, Watchareeya Kaveevivitchai, Allan J Jacobson, Ognjen Š Miljanić
Commonly used inhalation anesthetics-enflurane, isoflurane, sevoflurane, halothane, and methoxyflurane-are adsorbed within the pores of a porous fluorinated molecular crystal to the tune of up to 73.4(±0.2)% by weight. Uptake of all studied anesthetics is quite fast, typically reaching saturation in less than three minutes.
September 25, 2015: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/26101794/methoxyflurane-a-review-with-emphasis-on-its-role-in-dental-practice
#13
REVIEW
A Kingon, T Yap, C Bonanno, P Sambrook, M McCullough
Methoxyflurane was developed as an anaesthetic agent and introduced into clinical practice in 1960. It soon became evident that it possessed analgesic properties that other drugs did not. Due to toxicity concerns, it lost favour in general anaesthesia and had been largely abandoned by the late 1970s. The manufacturer withdrew it in 1999, and the Food and Drug Administration in the United States did not renew its licence in 2005. It has also been withdrawn by the European Union. However, it continues to be used in Australasia, primarily as an inhaled self-administered analgesic by emergency services immediately following trauma...
June 2016: Australian Dental Journal
https://www.readbyqxmd.com/read/25926525/analgesic-use-of-inhaled-methoxyflurane-evaluation-of-its-potential-nephrotoxicity
#14
REVIEW
A D Dayan
Methoxyflurane is a volatile, halogenated analgesic, self-administered in a controlled low dose from the Penthrox(®) inhaler for short-term pain relief. It was formerly used in significantly higher doses to produce anaesthesia, when it caused a specific type of dose-related renal tubular damage. The pathogenesis of the renal damage and clinical use of methoxyflurane are discussed here with evidence that a low but effective analgesic dose is not associated with the risk of renal adverse effects. The maximum dose employed to produce analgesia is limited to methoxyflurane 6 mL/day and 15 mL/week, producing a minimum alveolar concentration (MAC) of 0...
January 2016: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/25655403/penthrox-alone-versus-penthrox-plus-periprostatic-infiltration-of-local-analgesia-for-analgesia-in-transrectal-ultrasound-guided-prostate-biopsy
#15
Sean Huang, Lana Pepdjonovic, Alex Konstantatos, Mark Frydenberg, Jeremy Grummet
BACKGROUND: The objective of this study was to compare pain intensity in patients undergoing transrectal ultrasound (TRUS)-guided biopsy of the prostate with Penthrox alone compared with Penthrox plus periprostatic infiltration of local analgesia (PILA). METHOD: Seventy-two subjects participated in this study after receiving appropriate education. Forty-two patients self-administered inhaled Penthrox (3 mL methoxyflurane) alone for analgesia (Group A), followed by 30 patients who self-administered Penthrox and received PILA with 5 mL of 2% lignocaine...
March 2016: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/25446348/the-volatile-anesthetic-methoxyflurane-protects-motoneurons-against-excitotoxicity-in-an-in-vitro-model-of-rat-spinal-cord-injury
#16
A Shabbir, E Bianchetti, A Nistri
Neuroprotection of the spinal cord during the early phase of injury is an important goal to determine a favorable outcome by prevention of delayed pathological events, including excitotoxicity, which otherwise extend the primary damage and amplify the often irreversible loss of motor function. While intensive care and neurosurgical intervention are important treatments, effective neuroprotection requires further experimental studies focused to target vulnerable neurons, particularly motoneurons. The present investigation examined whether the volatile general anesthetic methoxyflurane might protect spinal locomotor networks from kainate-evoked excitotoxicity using an in vitro rat spinal cord preparation as a model...
January 29, 2015: Neuroscience
https://www.readbyqxmd.com/read/25202471/pharmacological-classification-of-the-abuse-related-discriminative-stimulus-effects-of-trichloroethylene-vapor
#17
Keith L Shelton, Katherine L Nicholson
Inhalants are distinguished as a class primarily based upon a shared route of administration. Grouping inhalants according to their abuse-related in vivo pharmacological effects using the drug discrimination procedure has the potential to provide a more relevant classification scheme to the research and treatment community. Mice were trained to differentiate the introceptive effects of the trichloroethylene vapor from air using an operant procedure. Trichloroethylene is a chlorinated hydrocarbon solvent once used as an anesthetic as well as in glues and other consumer products...
March 1, 2014: Journal of Drug and Alcohol Research
https://www.readbyqxmd.com/read/24888759/penthrox-inhaler-analgesia-in-transrectal-ultrasound-guided-prostate-biopsy
#18
Chanyang Lee, Henry H Woo
BACKGROUND: Periprostatic injection of local anaesthetic (PILA) has been shown to significantly reduce pain in patients undergoing transrectal ultrasound-guided prostate biopsy (TRUSPB). However, this method does not address pain that is associated with ultrasound probe insertion, and the injection of local anaesthetic itself causes pain. The aim of this study was to explore the efficacy of methoxyflurane delivered by a Penthrox inhaler as a novel method of pain relief during TRUSPB. METHOD: From July 2012 to July 2013, 64 patients were scheduled at a single centre to undergo TRUSPB while receiving analgesia via Penthrox inhaler...
June 2015: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/24743586/methoxyflurane-is-a-better-painkiller-than-placebo-but-do-we-want-to-know-more
#19
Simon Carley, Richard Body
No abstract text is available yet for this article.
August 2014: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/24743584/stop-a-randomised-double-blind-placebo-controlled-study-of-the-efficacy-and-safety-of-methoxyflurane-for-the-treatment-of-acute-pain
#20
RANDOMIZED CONTROLLED TRIAL
Frank Coffey, John Wright, Stuart Hartshorn, Paul Hunt, Thomas Locker, Kazim Mirza, Patrick Dissmann
OBJECTIVE: To evaluate the short-term efficacy and safety of methoxyflurane for the treatment of acute pain in patients presenting to an emergency department (ED) with minor trauma. METHODS: STOP! was a randomised, double-blind, multicentre, placebo-controlled study conducted at six sites in the UK. A total of 300 patients, 90 of whom were adolescent patients (age 12-17 years), were randomised 150:150 to receive either methoxyflurane via a Penthrox inhaler or placebo...
August 2014: Emergency Medicine Journal: EMJ
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