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Anesthetic neurotoxicity

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https://www.readbyqxmd.com/read/28319548/tanshinone-iia-attenuates-sevoflurane-neurotoxicity-in-neonatal-mice
#1
Yimeng Xia, Heng Xu, Chenfei Jia, Xiaodong Hu, Yu Kang, Xiaoxuan Yang, Qingsheng Xue, Guorong Tao, Buwei Yu
BACKGROUND: Sevoflurane is the most widely used inhalational anesthetic in pediatric medicine. Despite this, sevoflurane has been reported to exert potentially neurotoxic effects on the developing brain. Clinical interventions and treatments for these effects are limited. Tanshinone IIA (Tan IIA), extracted from Salvia miltiorrhiza (Danshen), has been documented to alleviate cognitive decline in traditional applications. Therefore, we hypothesized that preadministration of Tan IIA may attenuate sevoflurane-induced neurotoxicity, suggesting that Tan IIA is a new and promising drug capable of counteracting the effects of cognitive dysfunction produced by general anesthetics...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28291734/safety-assessment-of-the-aqueous-extract-of-the-flowers-of-nymphaea-lotus-linn-nymphaeaceae-acute-neuro-and-subchronic-oral-toxicity-studies-in-albinos-wistar-rats
#2
Mireille Kameni Poumeni, Danielle Claude Bilanda, Paul Désiré Dzeufiet Djomeni, Yolande Sandrine Mengue Ngadena, Marguerite Francine Mballa, Madeleine Chantal Ngoungoure, Agnès Carolle Ouafo, Théophile Dimo, Pierre Kamtchouing
BACKGROUND: Nymphaea lotus Linn (N. lotus) is a medicinal plant widely used in Cameroon popular medicine, to treat neuropsychiatric conditions, male sexual disorders or as food supplement. However, scientific data on the pharmacotoxic profile of this plant are not available. The safety of N. lotus was assessed in acute, neuro- and subchronic toxicity studies by following the OECD guidelines. Effectively, no data have been published until now in regard to its safety on the nervous system...
March 14, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28277380/update-on-developmental-anesthesia-neurotoxicity
#3
Laszlo Vutskits, Andrew Davidson
PURPOSE OF REVIEW: Adverse long-term impact of general anesthesia on the developing brain is a widely discussed and controversial issue with potential public health relevance. The goal of this article is to give insights into the most recent experimental and clinical observations aimed to advance our understanding in this field. RECENT FINDINGS: Recent investigations demonstrate long-term behavioral consequences of early-life anesthesia exposure in nonhuman primates under experimental conditions that are translationally relevant to human clinical practice...
March 8, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28256096/dexmedetomidine-sedation-combined-with-caudal-anesthesia-for-lower-abdominal-and-extremity-surgery-in-ex-preterm-and-full-term-infants
#4
Katrin Waurick, Cristina Sauerland, Christiane Goeters
BACKGROUND: Awake caudal anesthesia is a potentially attractive option, because the administration of general anesthesia is associated with a high rate of respiratory complications and hemodynamic disturbances and potential neurotoxic effects. To facilitate the caudal puncture and subsequent surgical intervention, additional sedatives are commonly administered. AIM: We aimed to establish a new, safe, and effective anesthetic procedure for very young children with comorbidities...
March 2, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28254502/maternal-exposure-to-titanium-dioxide-nanoparticles-during-pregnancy-and-lactation-alters-offspring-hippocampal-mrna-bax-and-bcl-2-levels-induces-apoptosis-and-decreases-neurogenesis
#5
Alireza Ebrahimzadeh Bideskan, Abbas Mohammadipour, Alireza Fazel, Hossein Haghir, Houshang Rafatpanah, Mahmoud Hosseini, Aliakbar Rajabzadeh
INTRODUCTION: The usage of Titanium dioxide nanoparticles (TiO2-NPs) covers a vast area in different fields ranging from cosmetics and food to the production of drugs. Maternal exposure to TiO2-NPs during developmental period has been associated with hippocampal injury and with a decrease in learning and memory status of the offspring. However, little is known about its injury mechanism. This paper describes the in vivo neurotoxic effects of TiO2-NPs on rat offspring hippocampus during developmental period...
February 26, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28246725/anesthetic-neurotoxicity-an-emerging-role-for-glia-in-neuroprotection
#6
EDITORIAL
Josh D Bell, Creed M Stary
No abstract text is available yet for this article.
March 1, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28236766/oxidative-stress-metabolomics-profiling-and-mechanism-of-local-anesthetic-induced-cell-death-in-yeast
#7
Cory H T Boone, Ryan A Grove, Dana Adamcova, Javier Seravalli, Jiri Adamec
The World Health Organization designates lidocaine as an essential medicine in healthcare, greatly increasing the probability of human exposure. Its use has been associated with ROS generation and neurotoxicity. Physiological and metabolomic alterations, and genetics leading to the clinically observed adverse effects have not been temporally characterized. To study alterations that may lead to these undesirable effects, Saccharomyces cerevisiae grown on aerobic carbon sources to stationary phase was assessed over 6h...
February 3, 2017: Redox Biology
https://www.readbyqxmd.com/read/28235576/lidocaine-multivalent-ion-complex-as-a-potential-strategy-for-prolonged-local-anesthesia
#8
You Jin Jang, Jin Ho Lee, Tae Beom Seo, Se Heang Oh
Local anesthetics are adopted in clinical practice to manage the perioperative and/or postoperative pain. However, their relatively short duration of action limit their ability to meet clinical needs. Herein, we prepared a lidocaine/multivalent ion complex (icLD) using aqueous solutions containing positively charged LD and a multivalent counter-ion as a system for producing prolonged anesthesia. The results of the in vitro and in vivo experiments indicated that the icLD facilitates prolonged LD release even without adjuvants and thus provides nerve blockade for a long duration of action (∼14hrs) without further increase in neurotoxicity than the LD itself...
February 21, 2017: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/28235527/a-patient-with-postpolio-syndrome-developed-cauda-equina-syndrome-after-neuraxial-anesthesia-a-case-report
#9
Wei-Cheng Tseng, Zhi-Fu Wu, Wen-Jinn Liaw, Su-Yang Hwa, Nan-Kai Hung
Combined spinal anesthesia and postoperative epidural analgesia is widely used in orthopedic surgery. Uncommon but serious neurologic complications of neuraxial anesthesia (NA) include direct trauma during needle or catheter insertion, central nervous system infections, and neurotoxicity of local anesthetics. Cauda equina syndrome (CES) is a rare complication after NA but can result in severe neurologic deterioration that may require surgical intervention. We present a case of a 69-year-old woman with postpolio syndrome who developed CES after combined spinal anesthesia and postoperative epidural analgesia...
February 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28228717/mild-hypothermia-attenuates-the-anesthetic-isoflurane-induced-cytotoxicity
#10
Cheng Li, Yuanlin Dong, Dan Chen, Zhongcong Xie, Yiying Zhang
The commonly used inhalation anesthetic isoflurane has been reported to induce DNA damage and cytotoxicity. However, the methods to attenuate these effects remain largely to be determined. Mild hypothermia has neuroprotective effects. We therefore set out to assess whether mild hypothermia could protect the isoflurane-induced DNA damage and cytotoxicity. Moreover, we investigated the underlying mechanisms by assessing the effects of mild hypothermia on the isoflurane-induced changes in ATP levels. H4 human neuroglioma cells were treated with 2% isoflurane for 3 or 6 h with and without mild hypothermia (35°C)...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28225471/neuroanesthesiology-update
#11
Jeffrey J Pasternak, William L Lanier
We reviewed manuscripts published in 2016 that are related to the care of neurosurgical patients or the perioperative care of patients with neurological diseases. We address the broad categories of general neurosurgery and neuroanesthesiology, anesthetic neurotoxicity and neuroprotection, stroke, traumatic brain injury, and nervous system monitoring.
April 2017: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/28224632/scoping-review-awareness-of-neurotoxicity-from-anesthesia-in-children-in-otolaryngology-literature
#12
REVIEW
Marisa A Earley, Liem T Pham, Max M April
OBJECTIVE: Review otolaryngology literature for awareness of neurotoxicity from general anesthesia in children. Recently, there has been increasing focus in anesthesia literature on the long-term effects of general anesthesia on neurodevelopment. Multiple animal models have demonstrated evidence of neurotoxicity from both inhalational and intravenous anesthetics. Cohort studies also have revealed modestly increased risk of adverse neurodevelopmental outcomes in children exposed to a single episode of general anesthesia prior to 3 to 4 years of age, with stronger evidence for multiple exposures in this age range...
February 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28212213/neurotoxicity-of-anesthetic-drugs-on-developing-brain
#13
Abhishek Karnwal, Maurice Lippmann
No abstract text is available yet for this article.
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28210917/adjuvant-agents-in-regional-anesthesia-in-the-ambulatory-setting
#14
REVIEW
Veerandra Koyyalamudi, Sudipta Sen, Shilpadevi Patil, Justin B Creel, Elyse M Cornett, Charles J Fox, Alan D Kaye
PURPOSE OF REVIEW: A majority of surgical practice has involved ambulatory centers with the number of outpatient operations in the USA doubling to 26.8 million per year. Local anesthesia delivery provides numerous benefits, including increased satisfaction, earlier discharge, and reduction in unplanned hospital admission. Further, with the epidemic of opioid mediated overdoses, local anesthesia can be a key tool in providing an opportunity to reduce the need for other analgesics postoperatively...
January 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28161653/low-level-laser-therapy-lllt-accelerates-the-sternomastoid-muscle-regeneration-process-after-myonecrosis-due-to-bupivacaine
#15
Cristiane Neves Alessi Pissulin, Ana Angélica Henrique Fernandes, Alejandro Manuel Sanchez Orellana, Renata Calciolari Rossi E Silva, Selma Maria Michelin Matheus
BACKGROUND: Because of its long-lasting analgesic action, bupivacaine is an anesthetic used for peripheral nerve block and relief of postoperative pain. Muscle degeneration and neurotoxicity are its main limitations. There is strong evidence that low-level laser therapy (LLLT) assists in muscle and nerve repair. The authors evaluated the effects of a Gallium Arsenide laser (GaAs), on the regeneration of muscle fibers of the sternomastoid muscle and accessory nerve after injection of bupivacaine...
March 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28131877/carbon-monoxide-incompletely-prevents-isoflurane-induced-defects-in-murine-neurodevelopment
#16
Li Wang, Aili Wang, William W Supplee, Kayla Koffler, Ying Cheng, Zenaide M N Quezado, Richard J Levy
BACKGROUND: Commonly used anesthetics have been shown to disrupt neurodevelopment in preclinical models.It has been proposed that such anesthesia-induced neurotoxicity is mediated by apoptotic neurodegeneration in the immature brain.Low dose carbon monoxide (CO) exerts cytoprotective properties and we have previously demonstrated that CO inhibits isoflurane-induced apoptosis in the developing murine brain.Here we utilized anti-apoptotic concentrations of CO to delineate the role of apoptotic neurodegeneration in anesthesia-induced neurotoxicity by assessing the effect of CO on isoflurane-induced defects in neurodevelopment...
January 25, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28131121/general-anesthesia-during-the-third-trimester-any-link-to-neurocognitive-outcomes
#17
REVIEW
Annemaria De Tina, Arvind Palanisamy
Rodent studies on the effect of general anesthesia during the third trimester on neurocognitive outcomes are mixed, but primate studies suggest that a clinically relevant exposure to anesthetic agents during the third trimester can trigger neuronal and glial cell death. Human studies are conflicting and the evidence is weak. This is an up-to-date review of the literature on the neurodevelopmental effects of anesthetic agents administered during the third trimester. Early brain development and critical periods of neurodevelopment as it relates to neurotoxicity are highlighted...
March 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/28088107/gaas-laser-therapy-reestablishes-the-morphology-of-the-nmj-and-nachrs-after-injury-due-to-bupivacaine
#18
Cristiane Neves Alessi Pissulin, Paula Aiello Tomé de Souza Castro, Flávio Codina, Carina Guidi Pinto, Ivan Jose Vechetti-Junior, Selma Maria Michelin Matheus
BACKGROUND: Local anesthetics are used to relieve pre- and postoperative pain, acting on both sodium channels and nicotinic acetylcholine receptors (nAChR) at the neuromuscular junction (NMJ). Bupivacaine acts as a non-competitive antagonist and has limitations, such as myotoxicity, neurotoxicity, and inflammation. Low-level laser therapy (LLLT) has anti-inflammatory, regenerative, and analgesic effects. The aim of the present study was to evaluate the effects of a gallium arsenide laser (GaAs) on the morphology of the NMJ and nAChRs after application of bupivacaine in the sternomastoid muscle...
December 22, 2016: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28079261/effect-of-parthanatos-on-ropivacaine-induced-damage-in-sh-sy5y-cells
#19
Ting Zheng, Chun-Ying Zheng, Xiao-Chun Zheng, Ruo-Guang Zhao, Yan-Qing Chen
Ropivacaine is one of the most common but toxic local anesthetics, and the mechanisms underlying its neurotoxicity are still largely unknown. This study was conducted to prepare a ropivacaine-induced neuronal injury model and research the effects of ropivacaine on PARP-1 activation and NAD(+) depletion. The cell death and apoptosis of ropivacaine-induced SH-SY5Y cells were detected with flow cytometry. The lactate dehydrogenase cycling reaction measured the NAD(+) level, and Western blots were used to analyze the expression levels of PARP-1 and AIF after ropivacaine treatments with different concentrations and durations...
January 12, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28065636/neuroprotection-and-neurotoxicity-in-the-developing-brain-an-update-on-the-effects-of-dexmedetomidine-and-xenon
#20
Azeem Alam, Ka Chun Suen, Zac Hana, Robert D Sanders, Mervyn Maze, Daqing Ma
Growing and consistent preclinical evidence, combined with early clinical epidemiological observations, suggest potentially neurotoxic effects of commonly used anesthetic agents in the developing brain. This has prompted the FDA to issue a safety warning for all sedatives and anesthetics approved for use in children under three years of age. Recent studies have identified dexmedetomidine, the potent α2-adrenoceptor agonist, and xenon, the noble gas, as effective anesthetic adjuvants that are both less neurotoxic to the developing brain, and also possess neuroprotective properties in neonatal and other settings of acute ongoing neurologic injury...
January 6, 2017: Neurotoxicology and Teratology
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