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Dexmedetomidine

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https://www.readbyqxmd.com/read/29466048/effects-of-dexmedetomidine-combined-with-commonly-administered-opioids-on-clinical-variables-in-dogs
#1
Lilian T Nishimura, Adam Auckburally, Juliana Santilli, Beatriz H B Vieira, Debora O Garcia, Cristiane S Honsho, Ewaldo de Mattos-Junior
OBJECTIVE To evaluate cardiopulmonary, sedative, and antinociceptive effects of dexmedetomidine combined with commonly administered opioids in dogs. ANIMALS 8 healthy Beagles. PROCEDURES Dogs were sedated by IM administration of each of 7 treatments. Treatments comprised dexmedetomidine (0.01 mg/kg; Dex) and the same dose of dexmedetomidine plus butorphanol (0.15 mg/kg; Dex-But), meperidine (5 mg/kg; Dex-Mep), methadone (0.5 mg/kg; Dex-Meth), morphine (0.5 mg/kg; Dex-Mor), nalbuphine (0.5 mg/kg; Dex-Nal), or tramadol (5 mg/kg; Dex-Tram)...
March 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29464420/dexmedetomidine-versus-propofol-opioid-for-sedation-in-transcatheter-aortic-valve-implantation-patients-a-retrospective-analysis-of-periprocedural-gas-exchange-and-hemodynamic-support
#2
N Patrick Mayr, Gunther Wiesner, Pieter van der Starre, Alexander Hapfelmeier, Gertrud Goppel, Albert Markus Kasel, Christian Hengstenberg, Oliver Husser, Heribert Schunkert, Peter Tassani-Prell
PURPOSE: Different sedation regimens have been described for use during transfemoral transcatheter aortic valve implantation (tf-TAVI) for treatment in patients with severe aortic stenosis. The purpose of this study was to compare dexmedetomidine (DEX) with a combination of propofol-opioid (PO) with respect to periprocedural gas exchange and hemodynamic support. METHODS: Data from a cohort of patients sedated with either DEX or PO for tf-TAVI were retrospectively analyzed from a prospectively maintained TAVI registry...
February 20, 2018: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29457538/effects-of-dexmedetomidine-infusion-during-spinal-anesthesia-on-hemodynamics-and-sedation
#3
Ebru Tarıkçı Kılıç, Gaye Aydın
We evaluated the effects of intravenous dexmedetomidine during spinal anesthesia on hemodynamics, respiratory rate, oxygen saturation, sedpain, and compared them with those of saline infusion. Sixty American Society of Anesthesiologists physical status I and II cases were randomly divided into two groups. Patients were connected to the monitor after premedication, and spinal anesthesia was administered. Sensory and motor blockades were assessed using pinprick test and Bromage scale, respectively. Group I received dexmedetomidine infusion and Group II received saline infusion...
December 2018: Libyan Journal of Medicine
https://www.readbyqxmd.com/read/29457121/anesthesia-for-patients-with-ptrf-mutations-a-case-report
#4
Atsuko Hirano, Tomohiko Takada, Mariko Senda, Hidemasa Takahashi, Takeo Suzuki
Background: Polymeraze I and transcript release factor ( PTRF ) mutations are a newly recognized disease, which cause congenital generalized lipodystrophy associated with myopathy. Case presentation: A 29-year-old man (height 126 cm; weight 22 kg) with a PTRF mutation was scheduled for mandibular dentigerous cystectomy. His primary symptoms were lipodystrophy, myopathy, long QT syndrome, refractory nephrosis, and abnormal lipid metabolism. Defibrillator pads were applied soon after the patient entered the operating room...
2018: JA Clin Rep
https://www.readbyqxmd.com/read/29456702/application-of-pre-injection-of-dexmedetomidine-of-different-doses-in-pediatric-intravenous-general-anesthesia-without-tracheal-intubation
#5
Mi Zhou, Qiang Wang, Qiong Zhang, Yifei Liu, Leyun Zhan, Aihua Shu
This study observed the clinical efficacy of pre-injection of dexmedetomidine of different doses before surgery and the adverse reactions during the recovery period in pediatric intravenous general anesthesia without tracheal intubation. Pediatric patients who received general anesthesia without tracheal intubation before surgery from January 2016 to March 2017 were randomly divided into four groups (n=30), and were respectively treated with intravenous pump infusion of loaded dexmedetomidine of high-dose (2...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456348/efficacy-of-dexmedetomidine-as-an-adjuvant-to-local-anesthetic-agent-in-scalp-block-and-scalp-infiltration-to-control-postcraniotomy-pain-a-double-blind-randomized-trial
#6
Shankar Vallapu, Nidhi Bidyut Panda, Navneh Samagh, Neerja Bharti
Context: Scalp infiltration and scalp block are being used to manage postcraniotomy pain. Dexmedetomidine has been successfully used as an adjuvant in regional anesthesia. The study was intended to compare whether addition of dexmedetomidine prolonged the duration of analgesia as well as to compare the two techniques. Aims: The primary objective was to assess whether addition of dexmedetomidine to bupivacaine prolonged the duration of analgesia. The secondary objective was to compare between scalp nerve block and scalp infiltration as techniques for pain relief...
January 2018: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/29453466/effects-of-intrathecal-dexmedetomidine-as-an-adjuvant-to-hyperbaric-bupivacaine-for-spinal-anaesthesia-in-adults-undergoing-elective-infra-umbilical-surgery
#7
Binod Gautam, Sujata Niroula, Mona Sharma, Sushila Moktan Lama
INTRODUCTION: Various adjuvants to local anaesthetic are used to improve quality and duration of spinal anaesthesia. Dexmedetomidine, a novel alpha-2 adrenergic agonist, has been proposed to augment local anaesthetic effects. This study aims to investigate effects of intrathecal Dexmedetomidine on duration of analgesia and duration of sensory block during spinal anaesthesia. METHODS: In this randomized double-blind study 38 patients were allocated into each of two groups...
October 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/29452333/male-requires-a-higher-median-target-effect-site-concentration-of-propofol-for-i-gel-placement-when-combined-with-dexmedetomidine
#8
Ming-Ming Han, Fu-Shan Xue, Fang Kang, Xiang Huang, Juan Li
OBJECTIVE: The supraglottic airway device (SAD) can be used for airway management of spontaneous breathing patients, and propofol is commonly applied for the SAD placement. This study was designed to assess the effect of gender on median target effect-site concentration (Ce 50 ) of propofol for I-gel placement when combined with dexmedetomidine. MATERIAL AND METHOD: 19 males and 18 females, aged 18 to 59 and undergoing elective surgery, were enrolled. After intravenous infusion of dexmedetomidine 1...
February 13, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29449944/dexmedetomidine-use-during-epiduroscopy-reduces-fentanyl-use-and-postoperative-nausea-and-vomiting-a-single-center-retrospective-study
#9
Takashi Suzuki, Ryota Inokuchi, Kazuo Hanaoka, Machi Suka, Hiroyuki Yanagisawa
Objectives: Minimally invasive epiduroscopy has recently been reported as an effective treatment procedure for chronic and intractable low back pain. However, no study has determined safe anesthetics for monitored anesthesia care during epiduroscopy. We aimed to compare and evaluate conventional monitored anesthesia care drugs with dexmedetomidine. Methods: A retrospective study including all patients who underwent epiduroscopy at the JR Tokyo General Hospital from April 2011 to March 2016 was designed...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29446987/dexmedetomidine-decreases-postoperative-pain-and-narcotic-use-in-children-undergoing-alveolar-bone-graft-surgery
#10
Mariela M Lopez, Derrick Zech, Judith L Linton, Steven J Blackwell
OBJECTIVE: Dexmedetomidine is a parenteral agent that combines the benefits of cooperative sedation, anxiolysis, and analgesia without the risks of respiratory depression. Off-label use has been reported in children. We have introduced dexmedetomidine for use in patients having undergone alveolar bone graft (ABG). The objective is to demonstrate the value and safety of postoperative dexmedetomidine infusion in a non-ICU setting following ABG. DESIGN: A retrospective review was performed on patients who underwent ABG by the senior author...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29439859/effect-of-dexmedetomidine-and-xylazine-followed-by-mk-467-on-gastrointestinal-microperfusion-in-anaesthetized-horses
#11
Liza Wittenberg-Voges, Sabine Br Kästner, Marja Raekallio, Outi M Vainio, Karl Rohn, Klaus Hopster
OBJECTIVE: To compare the effects of MK-467 during isoflurane anaesthesia combined with xylazine or dexmedetomidine on global and gastrointestinal perfusion parameters. STUDY DESIGN: Prospective, randomized experimental trial. ANIMALS: A total of 15 warmblood horses. METHODS: Horses were divided into two groups for administration of either dexmedetomidine (D) or xylazine (X) for premedication (D: 3.5 μg kg -1 ; X: 0...
September 15, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/29437074/letting-the-patient-decide-a-case-report-of-self-administered-sedation-during-mechanical-ventilation
#12
Breanna Hetland, Sarah Maryon Hayes, Debra Skaar, Mary Fran Tracy, Craig R Weinert, Linda Chlan
It is common for critical care nurses to administer sedative medications to patients receiving mechanical ventilation. Although patient-controlled analgesia is frequently used in practice to promote effective self-management of pain by patients, it is not known if patient-controlled sedation can be used to promote effective self-management of distressing symptoms associated with mechanical ventilation. A randomized pilot trial was conducted to evaluate whether patient self-administered sedation with dexmedetomidine is safe and acceptable for self-management of anxiety during ventilator support...
February 2018: Critical Care Nurse
https://www.readbyqxmd.com/read/29436655/effects-of-dexmedetomidine-post%C3%A2-treatment-on-bdnf-and-vegf-expression-following-cerebral-ischemia-reperfusion-injury-in-rats
#13
Zheng-Chen Li, Ying-Ping Jia, Yuan Wang, Jin-Lian Qi, Xue-Ping Han
Brain‑derived neurotrophic factor (BDNF) and vascular endothelial growth factor (VEGF) serves a significant role in neural protection by activating the phosphatidylinositol 3‑kinase (PI3K)/Akt signaling pathway, which also was associated with the neuroprotective the treatment with dexmedetomidine (DEX). The present study aimed to further explore whether treatment with DEX post‑IR increased the expression level of BDNF and VEGF in the rat brain. A total of 30 healthy, clean male Wistar rats were randomly divided into 3 experimental groups: Control group, ischemia/reperfusion (I/R) group and DEX treatment group...
February 13, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29434802/an-investigation-of-the-mechanism-of-dexmedetomidine-in-improving-postoperative-cognitive-dysfunction-from-the-perspectives-of-alleviating-neuronal-mitochondrial-membrane-oxidative-stress-and-electrophysiological-dysfunction
#14
Jie Chen, Na Shen, Xiaohui Duan, Yaning Guo
The aim of this study was to investigate the mechanism of dexmedetomidine in improving postoperative cognitive dysfunction from the perspectives of alleviating neuronal mitochondrial membrane oxidative stress and electrophysiological dysfunction. A total of 120 patients undergoing elective surgery under general anesthesia from June 2013 to May, 2016 were selected as the subjects of the study and randomly divided into the propofol + remifentanil and dexmedetomidine groups. The Rey Auditory Verbal Learning Test (AVLT) and Beck Depression Inventory (BDI) were performed at day 1 before operation and at day 1, 3, 5 and 15 after operation...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29434539/sleep-and-sedative-states-induced-by-targeting-the-histamine-and-noradrenergic-systems
#15
REVIEW
Xiao Yu, Nicholas P Franks, William Wisden
Sedatives target just a handful of receptors and ion channels. But we have no satisfying explanation for how activating these receptors produces sedation. In particular, do sedatives act at restricted brain locations and circuitries or more widely? Two prominent sedative drugs in clinical use are zolpidem, a GABA A receptor positive allosteric modulator, and dexmedetomidine (DEX), a selective α2 adrenergic receptor agonist. By targeting hypothalamic neuromodulatory systems both drugs induce a sleep-like state, but in different ways: zolpidem primarily reduces the latency to NREM sleep, and is a controlled substance taken by many people to help them sleep; DEX produces prominent slow wave activity in the electroencephalogram (EEG) resembling stage 2 NREM sleep, but with complications of hypothermia and lowered blood pressure-it is used for long term sedation in hospital intensive care units-under DEX-induced sedation patients are arousable and responsive, and this drug reduces the risk of delirium...
2018: Frontiers in Neural Circuits
https://www.readbyqxmd.com/read/29432946/postoperative-cerebral-infarction-risk-factors-and-postoperative-management-of-pediatric-moyamoya-disease-patients
#16
Shinsuke Muraoka, Yoshio Araki, Goro Kondo, Michihiro Kurimoto, Yoshiki Shiba, Kenji Uda, Shinji Ota, Sho Okamoto, Toshihiko Wakabayashi
OBJECT: Though revascularization surgery for moyamoya disease patients can effectively prevent ischemic events and thus improve the long-term clinical outcome, the incidence of postoperative ischemic complications affects patients' quality of life. This study aimed to clarify the risk factors associated with postoperative ischemic complications and to discuss the appropriate perioperative management. METHODS: Fifty-eight revascularization operations were performed in 37 children with moyamoya disease...
February 9, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29432379/dexmedetomidine-as-a-part-of-general-anaesthesia-for-caesarean-delivery-in-patients-with-pre-eclampsia-efficacy-and-foetal-outcome-a-randomised-double-blinded-trial
#17
Ashraf M Eskandr, Ahmed A Metwally, Abd-Elrahman A Ahmed, Elham M Elfeky, Islam M Eldesoky, Manar A Obada, Osama A Abd-Elmegid
BACKGROUND: During general anaesthesia, endotracheal intubation of patients with pre-eclampsia causes stimulation of the sympathetic nervous system and catecholamine release, which may lead to maternal and neonatal complications. OBJECTIVE: To attenuate both the stress response and the haemodynamic response to tracheal intubation in patients with pre-eclampsia. DESIGN: A randomised, double-blind, controlled study. SETTING: Single University Hospital...
February 9, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29424059/effective-dose-of-dexmedetomidine-as-an-adjuvant-sedative-to-peripheral-nerve-blockade-in-elderly-patients
#18
C Wang, H Zhang, Q Fu
BACKGROUND: The median effective dose (ED50 ) of sedative dexmedetomidine adjuvant to peripheral nerve block (PNB) has not yet been verified in elderly patients. This study assessed the ED50 of intravenous dexmedetomidine for sedation in elderly patients who were undergoing total knee arthroplasty (TKA) with PNB. METHODS: Forty-two patients aged 65-85 years were included and stratified into two groups according to age: young-old group (aged 65-74 years) and middle-old group (aged 75-85 years)...
February 9, 2018: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29422100/the-influence-of-norepinephrine-and-phenylephrine-on-cerebral-perfusion-and-oxygenation-during-propofol-remifentanil-and-propofol-remifentanil-dexmedetomidine-anaesthesia-in-piglets
#19
Mai Louise Grandsgaard Mikkelsen, Rikard Ambrus, Rune Rasmussen, James Edward Miles, Helle Harding Poulsen, Finn Borgbjerg Moltke, Thomas Eriksen
BACKGROUND: Vasopressors are frequently used to increase blood pressure in order to ensure sufficient cerebral perfusion and oxygenation (CPO) during hypotensive periods in anaesthetized patients. Efficacy depends both on the vasopressor and anaesthetic protocol used. Propofol-remifentanil total intravenous anaesthesia (TIVA) is common in human anaesthesia, and dexmedetomidine is increasingly used as adjuvant to facilitate better haemodynamic stability and analgesia. Little is known of its interaction with vasopressors and subsequent effects on CPO...
February 8, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29416862/tramadol-sparing-effect-of-dexmedetomidine-as-an-adjuvant-with-lignocaine-in-preoperative-stellate-ganglion-block-for-postoperative-pain-relief-following-upper-limb-surgeries
#20
Deepak Thapa, Deepanshu Dhiman, Vanita Ahuja, Satinder Gombar, Ravi K Gupta
Background: Recent literature has established the role of stellate ganglion block (SGB) for management of acute postoperative pain. The effects of dexmedetomidine as an adjuvant to lignocaine in a preoperative SGB for postoperative pain relief have not been evaluated so far. Methods: The following randomised, double-blinded, control trail included 54 patients scheduled for upper limb orthopaedic surgery under general anaesthesia. Preoperative ultrasound-guided (USG) SGB was performed in all patients...
February 2018: British Journal of Pain
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