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Anesthetic neurotoxicity

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https://www.readbyqxmd.com/read/28926473/hydrogen-gas-attenuates-sevoflurane-neurotoxicity-through-inhibiting-nuclear-factor-%C3%AE%C2%BA-light-chain-enhancer-of-activated-b-cells-signaling-and-proinflammatory-cytokine-release-in-neonatal-rats
#1
Yiwei Shi, Gang Wang, Jinyuan Li, Wenli Yu
Anesthesia neurotoxicity in developing brain has gained increasing attention. However, knowledge regarding its mitigating strategies remains scant. Sevoflurane, a commonly used anesthetic, is responsible for learning and memory deficits in neonates. Molecular hydrogen is reported to be a potential neuroprotective agent because of its antioxidative and anti-inflammatory activities. This study aimed to investigate the effect of hydrogen gas on sevoflurane neurotoxicity. The newborn rats were treated with sevoflurane and/or hydrogen gas for 2 h...
September 18, 2017: Neuroreport
https://www.readbyqxmd.com/read/28915132/clinical-update-regarding-general-anesthesia-associated-neurotoxicity-in-infants-and-children
#2
M Ruth Graham
PURPOSE OF REVIEW: The U.S. Federal Drug Administration (FDA) recently released a warning stating that 'repeated or lengthy use of general anesthetic and sedation drugs during surgeries or procedures in children younger than 3 years or in pregnant women during their third trimester may affect the development of children's brains' (www.fda.gov/ucm582356.htm). The goal of this article is to review the most recent clinical studies which provide evidence that these concerns may be overstated for the majority of healthy young children who require surgery and anesthesia...
September 14, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28914327/repeated-2-sevoflurane-administration-in-7%C3%A2-and-60-day-old-rats-neurotoxicity-and-neurocognitive-dysfunction
#3
He Huang, Cun-Ming Liu, Jie Sun, Wen-Jie Jin, Yu-Qing Wu, Jing Chen
BACKGROUND: Sevoflurane is one of the most widely used inhalation anesthetics in pediatric anesthesia. A large number of studies have demonstrated that repeated treatment with high concentrations or long durations of sevoflurane anesthesia during the neonatal period can induce neuroapoptosis and long-term learning disability. In clinical practice, we observed that a subset of patients underwent minor surgery under sevoflurane anesthesia more than once from birth to adolescence. Therefore, this research was conducted to investigate whether a 2% concentration of sevoflurane (clinically relevant usage of sevoflurane) for 1 h (a short duration) can induce neuroapoptosis and neurocognitive dysfunction in adolescent rats that received sevoflurane (2% for 1 h) during the neonatal period...
September 15, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/28899795/microrna-137-and-its-downstream-target-lsd1-inversely-regulate-anesthetics-induced-neurotoxicity-in-dorsal-root-ganglion-neurons
#4
Lingyang Chen, Xiaodan Wang, Wenguang Huang, Tingting Ying, Minjuan Chen, Jianbin Cao, Mingcang Wang
PURPOSE: Anesthetic reagents, such as bupivacaine (Bv), induce significant neurotoxicity in dorsal root ganglion neurons (DRGNs). In this study, we investigated the expression, function and cross-association of microRNA-137-3p (miR-137-3p) and lysine (K)-specific demethylase 1A (LSD1) in a murine model of Bv-induced neural injury in DRGNs. METHODS: Murine DRGNs were culture in vitro and treated with Bv. QPCR was used to evaluate miR-137-3p expression in Bv-injured DRGNs...
September 9, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28872734/xenon-as-an-adjuvant-to-sevoflurane-anesthesia-in-children-younger-than-4%C3%A2-years-of-age-undergoing-interventional-or-diagnostic-cardiac-catheterization-a-randomized-controlled-clinical-trial
#5
Sarah Devroe, Roselien Meeusen, Marc Gewillig, Bjorn Cools, Koen Poesen, Robert Sanders, Steffen Rex
BACKGROUND: Xenon has repeatedly been demonstrated to have only minimal hemodynamic side effects when compared to other anesthetics. Moreover, in experimental models, xenon was found to be neuroprotective and devoid of developmental neurotoxicity. These properties could render xenon attractive for the anesthesia in neonates and infants with congenital heart disease. However, experience with xenon anesthesia in children is scarce. AIMS: We hypothesized that in children undergoing cardiac catheterization, general anesthesia with a combination of sevoflurane with xenon results in superior hemodynamic stability, compared to sevoflurane alone...
September 5, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28869449/propofol-induced-neurotoxicity-in-hescs-involved-in-activation-of-mir-206-puma-signal-pathway
#6
Yu Li, Changxin Jia, Dianlong Zhang, Guangzhen Ni, Xia Miao, Ruirong Tu
BACKGROUND AND OBJECTIVE: Studies in developing animals have demonstrated that when anesthetic agents, such as propofol, are early administered in life, it can lead to neuronal cell death and learning disabilities. However, the mechanisms causing these effects remains unknown. A recent report found that propofol could significantly upregulat miR-206 expression in the human ASCs. miR-206 could also induce apoptosis in human malignant cancers. Therefore, in this study, we hypothesized that propofol induces neurotoxicity in human embryonic stem cells (hESCs)...
August 23, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28868303/adjuvants-to-local-anesthetics-current-understanding-and-future-trends
#7
EDITORIAL
Amlan Swain, Deb Sanjay Nag, Seelora Sahu, Devi Prasad Samaddar
Although beneficial in acute and chronic pain management, the use of local anaesthetics is limited by its duration of action and the dose dependent adverse effects on the cardiac and central nervous system. Adjuvants or additives are often used with local anaesthetics for its synergistic effect by prolonging the duration of sensory-motor block and limiting the cumulative dose requirement of local anaesthetics. The armamentarium of local anesthetic adjuvants have evolved over time from classical opioids to a wide array of drugs spanning several groups and varying mechanisms of action...
August 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28857799/age-at-exposure-to-surgery-and-anesthesia-in-children-and-association-with-mental-disorder-diagnosis
#8
Caleb Ing, Ming Sun, Mark Olfson, Charles J DiMaggio, Lena S Sun, Melanie M Wall, Guohua Li
BACKGROUND: Animals exposed to anesthetics during specific age periods of brain development experience neurotoxicity, with neurodevelopmental changes subsequently observed during adulthood. The corresponding vulnerable age in children, however, is unknown. METHODS: An observational cohort study was performed using a longitudinal dataset constructed by linking individual-level Medicaid claims from Texas and New York from 1999 to 2010. This dataset was evaluated to determine whether the timing of exposure to anesthesia ≤5 years of age for a single common procedure (pyloromyotomy, inguinal hernia, circumcision outside the perinatal period, or tonsillectomy and/or adenoidectomy) is associated with increased subsequent risk of diagnoses for any mental disorder, or specifically developmental delay (DD) such as reading and language disorders, and attention deficit hyperactivity disorder (ADHD)...
August 29, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28844768/systemic-safety-of-liposomal-bupivacaine-in-simultaneous-bilateral-total-knee-arthroplasty
#9
Bryan D Springer, J Bohannon Mason, Susan M Odum
BACKGROUND: Intraoperative periarticular injections (PAIs) with local anesthetic are an important component of multimodal pain control in total joint arthroplasty. Liposomal bupivacaine is an extended-release formulation of bupivacaine designed to provide extended pain relief, approved for use in a single surgical site. The systemic safety profile for use in simultaneous bilateral TKA (bTKA) with a full dose in each knee has not been evaluated. The purpose of this study was to determine the safety and pharmacokinetics of bilateral full-dose PAI liposomal bupivacaine in the blood collected in patients undergoing simultaneous bTKA...
August 1, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28842206/potential-neurotoxicity-of-prenatal-exposure-to-sevoflurane-on-offspring-metabolomics-investigation-on-neurodevelopment-and-underlying-mechanism
#10
Jialong Jiang, Shasha Li, Yiqiao Wang, Xue Xiao, Yi Jin, Yilong Wang, Zeyong Yang, Shikai Yan, Yuanhai Li
Repeated or prolonged anesthesia to pregnant women disturbs neurodevelopment of developing infants, but its mechanism has not been elaborated absolutely. This study was conducted to investigate the mechanism of potential neurotoxicity on their offspring generation after sevoflurane anesthesia in adult animals during pregnancy based on metabolomics. 16 pregnant rats were equally assigned to sevoflurane group and control group, and serum samples were collected from their 7-day-old offspring for metabolomics analysis using ultra performance liquid chromatography coupled to time-of-flight mass spectrometry...
August 24, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28840475/histone-deacetylase-inhibitor-entinostat-ms-275-restores-anesthesia-induced-alteration-of-inhibitory-synaptic-transmission-in-the-developing-rat-hippocampus
#11
Srdjan M Joksimovic, Hari Prasad Osuru, Azra Oklopcic, Mark P Beenhakker, Vesna Jevtovic-Todorovic, Slobodan M Todorovic
Recent evidence strongly supports the idea that common general anesthetics (GAs) such as isoflurane (Iso) and nitrous oxide (N2O; laughing gas), as well as sedative drugs such as midazolam are neurotoxic for the developing mammalian brain having deleterious effects on neural circuits involved in cognition, learning and memory. However, to date, very little is known about epigenetic mechanisms involved in GA-induced plasticity of synaptic transmission in the hippocampus, the main memory-processing region in the brain...
August 24, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28837436/are-anesthesia-and-surgery-during-infancy-associated-with-decreased-white-matter-integrity-and-volume-during-childhood
#12
Robert I Block, Vincent A Magnotta, Emine O Bayman, James Y Choi, Joss J Thomas, Karolie K Kimble
BACKGROUND: Anesthetics have neurotoxic effects in neonatal animals. Relevant human evidence is limited. We sought such evidence in a structural neuroimaging study. METHODS: Two groups of children underwent structural magnetic resonance imaging: patients who, during infancy, had one of four operations commonly performed in otherwise healthy children and comparable, nonexposed control subjects. Total and regional brain tissue composition and volume, as well as regional indicators of white matter integrity (fractional anisotropy and mean diffusivity), were analyzed...
August 24, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28820429/propofol-s-effects-on-the-fetal-brain-for-non-obstetric-surgery
#13
REVIEW
Ajay Malhotra, Emily Yosh, Ming Xiong
While the use of Propofol has been increasing in usage for general surgical procedures since its release to market, there has been little work done on its potential link to neurotoxicity in humans. Only recently, following the release of a warning label from the United States Food and Drug Administration (USFDA) regarding a potential link to "neurotoxicity" in the neonate, did the surgical and anesthesiology communities become more aware of its potential for harm. Given the widespread use of this drug in clinical practice, the warning label naturally raised controversy regarding intrapartum Propofol usage...
August 18, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28820078/effects-of-excitotoxic-lesion-with-inhaled-anesthetics-on-nervous-system-cells-of-rodents
#14
Maria Fernanda Quiroz Padilla, Gemma Guillazo-Blanch, Magdy Sanchez, Maria Andrea Dominguez, Rosa Margaria Gomez
Different anesthesia methods can variably influence excitotoxic lesion effects on the brain. The main purpose of this review is to identify potential differences in the toxicity to nervous system cells of two common inhalation anesthesia methods, isoflurane and sevoflurane, used in combination with an excitotoxic lesion procedure in rodents. The use of bioassays in animal models has provided the opportunity to examine the role of specific molecules and cellular interactions that underlie important aspects of neurotoxic effects relating to calcium homeostasis and apoptosis activation...
August 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28818338/spinal-anesthesia-for-pediatric-urological-surgery-reducing-the-theoretic-neurotoxic-effects-of-general-anesthesia
#15
Emmett E Whitaker, Brianne Z Wiemann, Daniel G DaJusta, Seth A Alpert, Christina B Ching, Daryl J McLeod, Joseph D Tobias, Venkata R Jayanthi
BACKGROUND: Spinal anesthesia (SA) is an effective technique that has been used in children for years. With growing concern with regard to the risks of general anesthesia (GA), we developed a SA program to provide an alternative option. We present our initial experience with this program. OBJECTIVE: To implement a SA program at a large tertiary care pediatric center and assess the safety and efficacy of the technique as an alternative to GA for urologic surgery...
July 14, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28817401/challenges-in-the-anesthetic-management-of-ambulatory-patients-in-the-mri-suites
#16
Jasper Deen, Yzabel Vandevivere, Peter Van de Putte
PURPOSE OF REVIEW: MRI is becoming an indispensable diagnostic tool. The need for prolonged motion-free periods has substantially increased the need for deep sedation or anesthesia in a challenging environment. This review summarises recent literature with respect to pharmacological sedative strategies, nonpharmacological alternative approaches, airway management and safety issues in the ambulatory setting. RECENT FINDINGS: Most literature researches the pediatric patient population...
August 16, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28808114/anesthetic-neurotoxicity-and-the-developing-brain
#17
Anthony M-H Ho, Melinda L Fleming, Glenio B Mizubuti
No abstract text is available yet for this article.
August 14, 2017: CMAJ: Canadian Medical Association Journal, Journal de L'Association Medicale Canadienne
https://www.readbyqxmd.com/read/28740766/early-cleft-lip-repair-revisited-a-safe-and-effective-approach-utilizing-a-multidisciplinary-protocol
#18
Jeff A Hammoudeh, Thomas A Imahiyerobo, Fan Liang, Artur Fahradyan, Leo Urbinelli, Jennifer Lau, Marla Matar, William Magee, Mark Urata
BACKGROUND: The optimal timing for cleft lip repair has yet to be established. Advances in neonatal anesthesia, along with a growing body of literature, suggesting benefits of earlier cleft lip and nasal repair, have set the stage for a reexamination of current practices. METHODS: In this prospective study, cleft lip and nasal repair occurred on average at 34.8 days (13-69 days). Nasal correction was achieved primarily through molding the nasal cartilage without the placement of nasal sutures at the time of repair...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28701796/camk-ii-%C3%AE-down-regulation-protects-dorsal-root-ganglion-neurons-from-ropivacaine-hydrochloride-neurotoxicity
#19
Xian-Jie Wen, Xiao-Hong Li, Heng Li, Hua Liang, Chen-Xiang Yang, Han-Bing Wang
T-type calcium channels are intimately involved in the local anesthetics neurotoxicity. Does CaMKIIγ regulate T-type calcium currents in local anesthetics neurotoxicity? This study generated pAd-CaMKIIγ and pAd-shRNA adenovirus vectors to up- and down-regulate CaMKIIγ mRNA expression in dorsal root ganglion neurons (DRG). Normal DRG (Normal group), empty vector DRG (Empty vector group), pAd-CaMKIIγ DRG (pAd-CaMKIIγ group) and pAd-shRNA DRG (pAd-shRNA group) were treated or untreated with 3 mM ropivacaine hydrochloride for 4 h...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28697315/an-update-on-anesthetics-and-impact-on-the-brain
#20
REVIEW
Vincenzo Fodale, Vincenzo F Tripodi, Olivia Penna, Fausto Famà, Francesco Squadrito, Epifanio Mondello, Antonio David
While anesthetics are indispensable clinical tools and generally considered safe and effective, a growing concern over the potential neurotoxicity of anesthesia or specific anesthetic agents has called into question the safety of general anesthetics, especially when administered at extremes of age. Areas covered: This article reviews and updates research findings on the safety of anesthesia and anesthetics in terms of long-term neurotoxicity, with particular focus on postoperative cognitive dysfunctions, Alzheimer's disease and dementias, developing brain, post-operative depression and autism spectrum disorder...
September 2017: Expert Opinion on Drug Safety
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