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Intravenous anesthesia

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https://www.readbyqxmd.com/read/29784078/corticoadrenal-and-cardiorespiratory-responses-to-administration-of-propofol-combined-with-dexmedetomidine-or-ketamine-in-rabbits
#1
Alfredo González-Gil, Rosa Ana Picazo, Paul de Bruyn, Juan Carlos Illera
Anesthetic protocols may influence adrenal function. Effective methods for modulating stress are desirable to minimize secondary effects during the perioperative period. The aim of this study was to evaluate the effects of the administration of propofol with dexmedetomidine or ketamine on corticoadrenal function and heart and respiratory rates. A random treatment-order design was used: each rabbit received all treatments, with at least 14 d between experiments. Rabbits were assigned to 3 treatment groups (10 per group): group 1, 1 mL normal saline solution intravenously; group 2, propofol (3 mg/kg IV) and dexmedetomidine (0...
May 1, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/29782406/population-pharmacokinetics-and-pharmacodynamics-of-dexmedetomidine-in-children-undergoing-ambulatory-surgery
#2
María-Gabriela Pérez-Guillé, Alejandra Toledo-López, Liliana Rivera-Espinosa, Radames Alemon-Medina, Chiharu Murata, Ismael Lares-Asseff, Juan Luis Chávez-Pacheco, Josefina Gómez-Garduño, Ana-Lilia Zamora Gutiérrez, Claudia Orozco-Galicia, Karina Ramírez-Morales, Gustavo Lugo-Goytia
BACKGROUND: Dexmedetomidine (DEX) is an α-2 adrenergic agonist with sedative and analgesic properties. Although not approved for pediatric use by the Food and Drug Administration, DEX is increasingly used in pediatric anesthesia and critical care. However, very limited information is available regarding the pharmacokinetics of DEX in children. The aim of this study was to investigate DEX pharmacokinetics and pharmacodynamics (PK-PD) in Mexican children 2-18 years of age who were undergoing outpatient surgical procedures...
May 17, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29779020/acetaminophen-reduces-acute-and-persistent-incisional-pain-after-hysterectomy
#3
Onur Koyuncu, Sedat Hakimoglu, Mustafa Ugur, Cagla Akkurt, Selim Turhanoglu, Daniel Sessler, Alparslan Turan
OBJECTIVE: Acetaminophen is effective for acute surgical pain, but whether it reduces persistent incision pain remains unknown. We tested the primary hypothesis that patients given perioperative acetaminophen have less incisional pain three months after surgery. Our secondary hypotheses were that patients randomized to acetaminophen have less postoperative pain and analgesic consumption, and better functional recovery at three months. METHODS: 140 patients having abdominal hysterectomy were randomly assigned to: 1)intravenous acetaminophen (4 g/day for 72 postoperative hours); or, 2) saline placebo...
May 15, 2018: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29773486/labor-analgesia-in-czech-republic-and-slovakia-a-2015-national-survey
#4
J Bláha, P Štourač, M Grochová, R Klozová, S Richterová, P Nosková, D Seidlová, V Zenkner, A Novotný, D Schwarz, J Ščamburová, M Kosinová, Ch Kufa, M Kirchnerová, J Macková, L Várošová, R Toboláková, J Cepák, J Firment
BACKGROUND: The purpose of this international survey was to describe the current practices and techniques of labor analgesia in the Czech Republic (CZE) and Slovakia (SVK). METHODS: All Czech and Slovak departments that provide obstetric anesthesia were invited to participate in a one-month (November 2015) prospective study that monitored in detail all peripartum anesthetic procedures delivered by anesthesiologists. Participating centers recorded all data on-line in the CLADE-IS database (Masaryk University, CZE)...
April 7, 2018: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29773484/the-effect-of-a-single-intraoperative-dose-of-intravenous-dexamethasone-8-mg-on-post-cesarean-delivery-analgesia-a-randomized-controlled-trial
#5
U Ituk, K Thenuwara
BACKGROUND: A single perioperative dose of dexamethasone has been shown to improve postoperative analgesia and reduce opioid consumption. However, this analgesic and opioid sparing effect has not been well assessed as part of a multimodal analgesic regimen in women post-cesarean delivery. METHODS: Healthy women having cesarean delivery under spinal anesthesia were randomly assigned to receive intravenous dexamethasone 8 mg or placebo after delivery and clamping of the umbilical cord...
March 26, 2018: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/29772269/a-new-method-for-determining-levels-of-sedation-in-dogs-a-pilot-study-with-propofol-and-a-novel-neuroactive-steroid-anesthetic
#6
B L Youngblood, Y Ueyama, W W Muir, G M Belfort, R H Hammond, J Dai, F G Salituro, A J Robichaud, J J Doherty
BACKGROUND: Different levels of consciousness are required in order to perform different medical procedures. Sedation scales established to objectively define various levels of sedation in humans have not been thoroughly characterized in non-human species. Postural changes in rats or dogs are useful as gross measures of sedation but are inadequate for quantitative assessment since graded levels of sedation are difficult to delineate and obscured by movement abnormalities. NEW METHOD: A new canine sedation scoring (CSS) method was developed based on the modified observer's assessment of alertness and sedation score (MOAA/S) used in humans...
May 14, 2018: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29771731/effect-of-intravenous-dexmedetomidine-during-general-anesthesia-on-acute-postoperative-pain-in-adults-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#7
Xiuqin Wang, Naifu Liu, Jinlong Chen, Zan Xu, Fumei Wang, Chuan Ding
BACKGROUND: Dexmedetomidine has been shown to have an analgesic effect. However, no consensus was reached in previous studies. METHODS: Electronic databases such as PubMed, Embase, and Cochrane Central were searched for relevant randomized controlled trials (RCTs). The relative risk (RR) and weighted mean difference (WMD) were used to analyze the outcomes. Random-effects model was used for meta-analysis. RESULTS: Compared to the normal saline group, patients using dexmedetomidine showed a significantly decreased pain intensity within 6 hours (WMD=-0...
May 16, 2018: Clinical Journal of Pain
https://www.readbyqxmd.com/read/29771718/evaluation-of-drug-effects-on-cerebral-blood-flow-and-glucose-uptake-in-un-anesthetized-and-un-stimulated-rats-application-of-free-moving-apparatus-enabling-to-keep-rats-free-during-pet-spect-tracer-injection-and-uptake
#8
Taku Sugita, Yusuke Kondo, Seigo Ishino, Ikuo Mori, Takashi Horiguchi, Mikako Ogawa, Yasuhiro Magata
OBJECTIVES: The purpose of this study is the development of novel fluorine-18-fluorodeoxyglucose (F-FDG)-PET and Tc-hexamethylpropylene amine oxime (HMPAO) SPECT methods with free-moving apparatus on conscious rats to investigate brain activity without the effects of anesthesia and tactual stimulation. We also assessed the sensitivity of the experimental system by an intervention study using fluoxetine as a reference drug. MATERIALS AND METHODS: A catheter was inserted into the femoral vein and connected to a free-moving cannula system...
May 15, 2018: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/29769507/a-randomized-controlled-trial-to-compare-the-efficacy-of-intravenous-dexmedetomidine-and-clonidine-as-adjuvants-to-low-dose-opioid-in-attenuation-of-hemodynamic-response-to-laryngoscopy-and-tracheal-intubation
#9
N Gupta, A Kumar, A Jain, N Hayaran, P Mishra
Increase in sympathetic activity as a result of cardiovascular stress response to laryngoscopy can be detrimental to the patient. The primary objective is to compare intravenous dexmedetomidine and clonidine as adjuvants to low dose opioid (fentanyl) for attenuation of hemodynamic response to laryngoscopy and tracheal intubation. The secondary objectives are to compare the perioperative dose requirement of fentanyl and thiopentone, to compare the duration of postoperative analgesia, and to look for side effects in all three groups...
April 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29768487/an-observational-study-the-utility-of-perfusion-index-as-a-discharge-criterion-for-pain-assessment-in-the-postanesthesia-care-unit
#10
Chun-Lin Chu, Yi-You Huang, Ying-Hou Chen, Ling-Ping Lai, Huei-Ming Yeh
Acute post-operative pain can remain untreated if patients cannot express themselves. The perfusion index (PI) may decrease when pain activates sympathetic tone and may increase after analgesics are administered. We evaluated if the perfusion index is a feasible indicator for objectively assessing pain relief in the postanesthesia care unit (PACU) and calculated the changes in PI measurements at the time of discharge from the PACU relative to baseline PI measurements to examine if the PI is a useful criterion for discharging patients from the postanesthesia care unit...
2018: PloS One
https://www.readbyqxmd.com/read/29765396/acute-in-stent-thrombosis-after-carotid-angioplasty-and-stenting-a-case-report-and-literature-review
#11
Wei Hu, Li Wang, GuoPing Wang
Background: Based on the results of a recent randomized controlled trial, carotid artery stenting (CAS) was regarded as a relatively safe, less invasive treatment of internal carotid artery stenosis. However, cerebral thromboembolic events are the most common complications of CAS. Especially acute stent thrombosis following CAS will be fatal without prompt diagnosis and revascularization. Case Report: We report a case of acute stent thrombosis in whom carotid revascularization was performed successfully via arterial thrombolysis and balloon postdilation...
April 2018: Interventional Neurology
https://www.readbyqxmd.com/read/29764750/patient-oriented-optimal-depth-of-conscious-sedation-using-midazolam-during-flexible-bronchoscopy-a-prospective-open-labeled-single-arm-trial
#12
Yuichiro Takeda, Hibiki Udagawa, Shinji Nakamichi, Yasuto Yoneshima, Motoyasu Iikura, Satoshi Hirano, Go Naka, Haruhito Sugiyama
BACKGROUND: The British Thoracic Society guidelines for diagnostic flexible bronchoscopy (FB) in adults recommend that intravenous sedation should be offered to patients undergoing bronchoscopy. However, it is difficult to determine the adequate depth of sedation for each patient because of inter-individual variability. METHODS: This prospective, open-label, single-arm study was conducted in patients undergoing routine bronchus examination with FB. All patients underwent FB under local anesthesia and conscious sedation, with initial administration of 0...
May 6, 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29764007/anesthetic-considerations-during-surgical-intervention-in-woake-s-syndrome-a-case-report
#13
So Ron Choi, Jeong Ho Kim, Kyoung Lin Chae, Seung Cheol Lee, Sang Yoong Park
Woake's syndrome (WS) is a recurrent nasal polyposis, accompanied by broadening of the nose, frontal sinus aplasia, dyscrinia, and bronchiectasis. There has been no previous report on anesthetic management in patients with WS. We describe a case involving a 13-year-old male patient with WS who was scheduled for septorhinoplasty for necrotic ethmoiditis. Anesthesia was induced and maintained with propofol and remifentanil using a target-controlled infusion device. The anesthetic considerations of this rare syndrome and the advantages of an intravenous infusion method over local and volatile anesthesia for these patients are discussed...
May 15, 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29762893/retrobulbar-vs-peribulbar-regional-anesthesia-techniques-using-bupivacaine-in-dogs
#14
Yael Shilo-Benjamini, Peter J Pascoe, David J Maggs, Steven R Hollingsworth, Ann R Strom, Kathryn L Good, Sara M Thomasy, Philip H Kass, Erik R Wisner
OBJECTIVE: To compare the effectiveness of retrobulbar anesthesia (RBA) and peribulbar anesthesia (PBA) in dogs. ANIMAL STUDIED: Six adult mixed-breed dogs (18-24 kg). PROCEDURES: In a randomized, masked, crossover trial with a 10-day washout period, each dog was sedated with intravenously administered dexmedetomidine and administered 0.5% bupivacaine:iopamidol (4:1) as RBA (2 mL via a ventrolateral site) or PBA (5 mL divided equally between ventrolateral and dorsomedial sites)...
May 15, 2018: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29762248/vascular-delivery-of-intraperitoneal-evans-blue-dye-into-the-blood-brain-barrier-intact-and-disrupted-rat-brains
#15
Hwai-Lee Wang, Eva Yuhua Kuo, Ted Weita Lai
Blood-brain barrier (BBB) integrity can be determined by tracer infusion into the circulation followed by measurements of its penetration into the brain parenchyma. Tracer injection through the intraperitoneal (i.p.) route (rather than intravascular injection) avoids confounding effects of animal anesthesia or immobilization/surgical stress. Evans blue dye (EBD) can be administered by i.p. injection, and once in circulation, it binds to plasma albumin to become an endogenous protein tracer. Here, we investigated whether a similar level of EBD is extravasated into the brain following i...
May 14, 2018: Neuroreport
https://www.readbyqxmd.com/read/29758039/effects-of-palonosetron-for-prophylaxis-of-postoperative-nausea-and-vomiting-in-high-risk-patients-undergoing-total-knee-arthroplasty-a-prospective-randomized-double-blind-placebo-controlled-study
#16
Jung-Hee Ryu, Young-Tae Jeon, Byunghun Min, Jin-Young Hwang, Hye-Min Sohn
BACKGROUND: The preemptive multimodal pain protocols used in total knee arthroplasty (TKA) often cause emesis postoperatively. We investigated whether palonosetron prophylaxis reduces postoperative nausea and vomiting (PONV) in high-risk patients after TKA. METHODS: We randomized 120 female patients undergoing TKA to receive either palonosetron (0.075 mg, intravenous) or no antiemetic prophylaxis (0.9% saline, control group). All patients were given spinal anesthesia, a continuous femoral nerve block, and fentanyl-based intravenous patient controlled analgesia...
2018: PloS One
https://www.readbyqxmd.com/read/29756460/inhaled-fasudil-lacks-pulmonary-selectivity-in-thromboxane-induced-acute-pulmonary-hypertension-in-newborn-lambs
#17
Shawn F L Hanson, Michael H Terry, Dafne T Moretta, Gordon G Power, Sean M Wilson, Farzana Alam, Fakhrul Ahsan, Arlin B Blood, Paresh C Giri
INTRODUCTION: Pulmonary hypertension (PH) is a potentially deadly disease for infants and adults with few existing medical interventions and no cure. In PH, increased blood pressure in the pulmonary artery eventually leads to heart failure. Fasudil, an antagonist of Rho-kinase, causes vasodilation leading to decreased systemic artery pressure and pulmonary artery pressure (PAP). This study compared the effects of fasudil administered as either an intravenous infusion or inhaled aerosol in newborn lambs...
January 1, 2018: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29755731/recent-advances-in-intravenous-anesthesia-and-anesthetics
#18
REVIEW
Mohamed Mahmoud, Keira P Mason
Anesthesiology, as a field, has made promising advances in the discovery of novel, safe, effective, and efficient methods to deliver care. This review explores refinement in the technology of soft drug development, unique anesthetic delivery systems, and recent drug and device failures.
2018: F1000Research
https://www.readbyqxmd.com/read/29752853/dexmedetomidine-for-the-reduction-of-emergence-delirium-in-children-undergoing-tonsillectomy-with-propofol-anesthesia-a-double-blind-randomized-study
#19
Adelais G Tsiotou, Anna Malisiova, Elena Kouptsova, Maria Mavri, Maria Anagnostopoulou, Evagelia Kalliardou
BACKGROUND: Postanesthesia emergence delirium is a motor agitation state complicating pediatric anesthesia. We investigated the efficacy of dexmedetomidine in reducing emergence delirium in children undergoing tonsillectomy with and without adenoidectomy using total intravenous anesthesia with propofol. METHODS: This was a prospective, single-center, double-blind, randomized study. The primary outcome was the presence or absence of emergence delirium with and without dexmedetomidine...
May 12, 2018: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29750693/should-total-intravenous-anesthesia-be-used-to-prevent-the-occupational-waste-anesthetic-gas-exposure-of-pregnant-women-in-operating-rooms
#20
Ankur Sharma, Pradeep Bhatia, Varuna Vyas, Priyanka Sethi, Narender Kaloria, Lovepriya Sharma
No abstract text is available yet for this article.
May 9, 2018: Anesthesia and Analgesia
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