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Anesthesia and cognitive function

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https://www.readbyqxmd.com/read/29225748/multiple-exposures-of-sevoflurane-during-pregnancy-induces-memory-impairment-in-young-female-offspring-mice
#1
Woosuk Chung, Seunghwan Yoon, Yong Sup Shin
Background: Earlier studies have reported conflicting results regarding long-term behavioral consequences after anesthesia during the fetal period. Previous studies also suggest several factors that may explain such conflicting data. Thus, we examined the influence of age and sex on long-term behavioral consequences after multiple sevoflurane exposures during the fetal period. Methods: C57BL/6J pregnant mice received oxygen with or without sevoflurane for 2 hours at gestational day (GD) 14-16...
December 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29210892/physiologically-triggered-digital-cognitive-aid-facilitates-crisis-management-in-a-simulated-operating-room-a-randomized-controlled-study
#2
Jonathan Lipps, Lori Meyers, Scott Winfield, Michael Durda, Vedat Yildiz, Michael Kushelev
INTRODUCTION: Although the benefits of using cognitive aids in anesthesia care have previously been demonstrated, several challenges remain. It must be presented in a timely manner, and providers must be amenable to using the tool once it is available. We hypothesized that anesthesia residents would perform superiorly when presented with a digital cognitive aid (DCogA) that is automatically triggered by a set vital sign aberration. METHODS: Thirty anesthesia residents were randomized to either control (with access to hard copy of the cognitive aid) or receive a DCogA projected on their anesthesia information management system with the onset of heart block and associated hypotension...
November 28, 2017: Simulation in Healthcare: Journal of the Society for Simulation in Healthcare
https://www.readbyqxmd.com/read/29165767/influence-of-laryngeal-mask-airway-lma-insertion-anesthesia-on-cognitive-function-after-microsurgery-in-pediatric-neurosurgery
#3
C-H Fan, B Peng, F-C Zhang
OBJECTIVE: To compare the influence of laryngeal mask airway (LMA) insertion anesthesia and endotracheal intubation on cognitive function during anesthesia for neurosurgery microscopy. PATIENTS AND METHODS: A total of 76 pediatric patients who underwent neurosurgery microscopy were selected. They were randomly divided in the LMA insertion group with 35 cases and the endotracheal intubation group with 41 cases. Before the operation, the two groups were injected with 0...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29141245/roscovitine-a-cdk5-inhibitor-alleviates-sevoflurane-induced-cognitive-dysfunction-via-regulation-tau-gsk3%C3%AE-and-erk-ppar%C3%AE-creb-signaling
#4
Jianhui Liu, Junjun Yang, Yinhua Xu, Gang Guo, Li Cai, Heng Wu, Yanhong Zhao, Xiaoqing Zhang
BACKGROUND/AIMS: Multiple exposures to anesthesia in children may increase the risk of developing cognitive impairment. Sevoflurane is an anesthetic that is commonly used in children during surgery. Cyclin-dependent kinase (CDK) 5 is involved in the regulation of sevoflurane-induced cognitive dysfunction, but the mechanistic details remain unclear. The present study evaluated the mechanism by which CDK5 mediates sevoflurane-induced cognitive dysfunction in mice. METHODS: Hippocampal neurons were isolated from postnatal day 0 C57BL/6 mouse pups...
November 15, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29138109/mesopontine-neurons-implicated-in-anesthetic-loss-of-consciousness-have-either-ascending-or-descending-axonal-projections-but-not-both
#5
Adi Miriam Goldenberg, Anne Minert, Yelena Fishman, Gilly Wolf, Marshall Devor
The MPTA (mesopontine tegmental anesthesia area) is a key node in a network of axonal pathways that collectively engage the key components of general anesthesia: immobility and atonia, analgesia, amnesia and loss-of-consciousness. In this study we have applied double retrograde tracing to analyze MPTA connectivity, with a focus on axon collateralization. Prior tracer studies have shown that collectively, MPTA neurons send descending projections to spinal and medullary brain targets associated with atonia and analgesia as well as ascending projections to forebrain structures associated with amnesia and arousal...
November 11, 2017: Neuroscience
https://www.readbyqxmd.com/read/29137628/hypertonic-saline-for-prevention-of-delirium-in-geriatric-patients-who-underwent-hip-surgery
#6
Xi Xin, Fei Xin, Xuguang Chen, Qi Zhang, Yanan Li, Shuping Huo, Chongfu Chang, Qiujun Wang
BACKGROUND: Postoperative delirium (POD) is a common disorder in the elderly patients, and neuroinflammation is the possible underlying mechanism. This study is designed to determine whether or not hypertonic saline (HS) pre-injection can alleviate POD in aged patients. METHODS: This prospective study recruited 120 geriatric patients who underwent hip surgery. The patients were randomly divided into two groups: control group (NS group) and HS group. Patients in the NS group were pre-injected with 4 mL/kg isotonic saline, and those in the HS group were pre-injected with 4 mL/kg 7...
November 14, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29120931/perioperative-neurocognition-in-elderly-patients
#7
Huiqun Fu, Long Fan, Tianlong Wang
PURPOSE OF REVIEW: The extrinsic risk factors for postoperative cognitive disturbance have been a source of concern during the perioperative period, and these risk factors remain the subject of controversy. This review of recent studies focuses on the effect of these factors on postoperative cognitive disturbance during the perioperative period. RECENT FINDINGS: Impairment of cerebral autoregulation may predispose patients to intraoperative cerebral malperfusion, which may subsequently induce postoperative cognitive disturbance...
November 7, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29105013/is-non-awake-surgery-for-supratentorial-adult-low-grade-glioma-treatment-still-feasible
#8
REVIEW
Hugues Duffau
In this short review, the author performs a database search, summarizes, and discusses studies that provide information on the need to perform awake surgery to preserve quality of life/return to work of adult patients who undergo resection for a supratentorial low-grade glioma (LGG). Based upon the currently available data, the author concludes that in LGG, patients with no or only mild deficits at diagnosis, non-awake surgery can no longer be achieved. Indeed, awake craniotomy with intrasurgical electrical mapping has resulted in an increase of the extent of resection and overall survival in LGG...
November 6, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29098009/maternal-sevoflurane-exposure-causes-abnormal-development-of-fetal-prefrontal-cortex-and-induces-cognitive-dysfunction-in-offspring
#9
Ruixue Song, Xiaomin Ling, Mengyuan Peng, Zhanggang Xue, Jing Cang, Fang Fang
Maternal sevoflurane exposure during pregnancy is associated with increased risk for behavioral deficits in offspring. Several studies indicated that neurogenesis abnormality may be responsible for the sevoflurane-induced neurotoxicity, but the concrete impact of sevoflurane on fetal brain development remains poorly understood. We aimed to investigate whether maternal sevoflurane exposure caused learning and memory impairment in offspring through inducing abnormal development of the fetal prefrontal cortex (PFC)...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29091891/hispidulin-prevents-sevoflurane-induced-memory-dysfunction-in-aged-rats
#10
Lubin Huang, Kejing Huang, Hong Ning
AIM: As a widely used general anesthetic, sevoflurane has been found to induce cognitive and memory defectsin the elderly. This may increase the risk of Alzheimer's disease. This study explores the neuroprotective effect of hispidulin, a natural flavone compound, against sevoflurane-induced memory dysfunction. METHODS: The effect of sevoflurane exposure on memory function was evaluated by novel object recognition and Y-maze testing using an aged rat model. The apoptotic cell death in the hippocampus of rats was assessed using a TUNEL assay...
October 27, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29081151/-effects-of-preconditioning-with-hypertonic-saline-solution-on-postoperative-delirium-in-the-aged
#11
X Xin, S P Huo, Q Zhang, Y N Li, L Wang, Q J Wang
Objective: To evaluate and explore the mechanism of the effect of hypertonic pre-injection on postoperative delirium in the aged. Methods: From June 2016 to February 2017, participants scheduled hip arthroplasty surgery were randomly divided into four groups: Group 1 (H1) 30 patients pre-injected 4 ml/kg hypertonic solution were proceeded general anesthesia; Group 2 (H2) 30 patients pre-injected 4 ml/kg hypertonic solution were proceeded spinal canal anesthesia; Group 3 (C1) 30 patients pre-injected 4 ml/kg isotonic saline were proceeded general anesthesia; Group 4 (C2) 30 patients pre-injected 4 ml/kg isotonic saline were proceeded spinal canal anesthesia in Department of Anesthesiology, Third Hospital of Hebei Medical University...
October 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29079431/voluntary-running-enhances-glymphatic-influx-in-awake-behaving-young-mice
#12
Stephanie von Holstein-Rathlou, Nicolas Caesar Petersen, Maiken Nedergaard
Vascular pathology and protein accumulation contribute to cognitive decline, whereas exercise can slow vascular degeneration and improve cognitive function. Recent investigations suggest that glymphatic clearance measured in aged mice while anesthetized is enhanced following exercise. We predicted that exercise would also stimulate glymphatic activity in awake, young mice with higher baseline glymphatic function. Therefore, we assessed glymphatic function in young female C57BL/6J mice following five weeks voluntary wheel running and in sedentary mice...
January 1, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29072020/-xingnao-kaiqiao-needling-stimulation-promotes-resuscitation-of-general-anesthesia-patients-undergoing-anodynia-gastrointestinal-endoscopy
#13
Yan Zhang, Zhe-Hua Li, A-Qin Xiong
OBJECTIVE: To observe the effect of "Xingnao Kaiqiao" needling on the recovery of general anesthesia in mid-aged and elderly patients undergoing painless gastrointestinal endoscopy. METHODS: A total of 140 patients were randomly divided into control and treatment groups, with 70 cases in each group. After termination of the endoscopy, patients of the treatment group received acupuncture stimulation of Neiguan (PC 6), Shuigou (GV 26) and Sanyinjiao (SP 6) with sterilized disposable filiform needles which were manipulated with twirling-reducing method for 3 min in PC 6, with lifting-thrusting reinforcing method in SP 6, and with bird-peck needling in GV 26...
August 25, 2017: Zhen Ci Yan Jiu, Acupuncture Research
https://www.readbyqxmd.com/read/29067447/rage-antagonism-by-fps%C3%A2-zm1-attenuates-postoperative-cognitive-dysfunction-through-inhibition-of-neuroinflammation-in-mice
#14
Haibin Zhou, Ting Luo, Changwei Wei, Wenzhen Shen, Ruilin Li, Anshi Wu
Neuroinflammation triggered by surgical trauma contributes to postoperative cognitive dysfunction (POCD). The receptor for advanced glycation end‑products (RAGE), a multiligand inflammatory receptor, is involved in the damaging effects of various cellular processes, contributing to neuroinflammation and neurodegeneration. However, the potential role of RAGE in the acute period of POCD has not been fully investigated. C57BL/6 male mice undergoing surgery of the tibia under isoflurane anesthesia were treated with the RAGE antagonist FPS‑ZM1 or vehicle control intraperitoneally for a period of 7 days...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29066902/effects-of-sevoflurane-versus-propofol-on-cerebrovascular-reactivity-to-carbon-dioxide-during-laparoscopic-surgery
#15
Chunyi Wang, Cheng Ni, Gang Li, Yan Li, Liyuan Tao, Nan Li, Jun Wang, Xiangyang Guo
PURPOSE: Cerebrovascular reactivity to carbon dioxide (CVR-CO2) reflects cerebrovascular reserve capacity, which is important in many brain disorders, including cerebrovascular and Alzheimer's diseases. Meanwhile, there is a relationship between CVR-CO2 and cognitive function. Therefore, the study is aimed at investigating the effects of sevoflurane versus propofol on CVR-CO2 during laparoscopic surgery, as well as the role of CVR-CO2 on cognitive function during perioperative period...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29061366/long-duration-sevoflurane-exposure-with-the-normoxic-carrier-gas-increase-the-neural-apoptosis-and-impair-the-long-term-cognitive-function-in-neonatal-rats
#16
Toru Goyagi
The effects of short-term versus long-term anesthesia and the carrier gas used to deliver anesthesia on neuroapoptosis and cognitive impairments in the developing brain are not fully understood. This study shows that long-duration sevoflurane anesthesia with or without additional oxygen induces neuroapoptosis and long-term cognitive dysfunction in neonatal rats. Seven-day-old rats were exposed to sevoflurane anesthesia for 2, 4, and 6 h with 21% or 30% oxygen. The control group received 21% oxygen alone for 6 h...
October 20, 2017: Brain Research
https://www.readbyqxmd.com/read/29049165/effects-of-different-methods-of-general-anesthesia-on-intraoperative-awareness-in-surgical-patients
#17
Haijiao Yu, Di Wu
The purpose of the study was to investigate the effects of total intravenous anesthesia (TIVA) and combined of intravenous and inhaled anesthesia (CIIA) on intraoperative awareness in surgical patients.A total of 678 patients were recruited in the CIIA group, while TIVA group included 566 patients. The clinical characteristics and the occurrence of intraoperative awareness were compared between the groups. Mini-Mental State Examination, Generalized Anxiety Disorder 7, and Patient Health Questionnaire 9 tests were performed to estimate cognitive and psychological functions of the patients...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28990533/blood-brain-barrier-disruption-leads-to-postoperative-cognitive-dysfunction
#18
Bin Wang, Siyuan Li, Xipeng Cao, Xinghui Dou, Jingzhu Li, Ling Wang, Mingshan Wang, Yanlin Bi
BACKGROUND: Postoperative cognitive dysfunction (POCD) has received considerable attention as one of the main postoperative complications. The underlying mechanism of POCD in elderly subjects has not been fully elucidated to date. The central nervous system (CNS) is isolated from the bloodstream by the blood brain barrier (BBB) that consists of endothelial cells, capillary blood vessels and the tight junctions. The tight junctions carry out significant biological functions that are associated with the CNS and the blood circulation...
October 9, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/28986748/anesthetic-isoflurane-or-desflurane-plus-surgery-differently-affects-cognitive-function-in-alzheimer-s-disease-transgenic-mice
#19
Huihui Miao, Yuanlin Dong, Yiying Zhang, Hui Zheng, Yuan Shen, Gregory Crosby, Deborah J Culley, Edward R Marcantonio, Zhongcong Xie
Anesthesia/surgery could be associated with cognitive impairment and Alzheimer's disease neuropathogenesis. However, whether surgery under different anesthetics has different effects on cognitive function remains largely unknown. We therefore set out to compare effects of anesthetic isoflurane or desflurane plus surgery on cognitive function and hippocampus levels of synaptic marker (postsynaptic density-95 and synaptophysin) and ATP. Five-month-old AD Transgenic (Tg) (FAD5X) and wild-type male mice received isoflurane or desflurane plus abdominal surgery...
October 6, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28984099/postoperative-delirium-and-postoperative-cognitive-dysfunction-updates-in-pathophysiology-potential-translational-approaches-to-clinical-practice-and-further-research-perspectives
#20
Marco Cascella, Maria R Muzio, Sabrina Bimonte, Arturo Cuomo, Jan G Jakobsson
Postoperative delirium, the onset of confusion/delirium during the early postoperative phase, is the most common post-operative complication in older adults and represents a medical emergency that requires immediate assessment and treatment. On the other hand, the term postoperative cognitive decline or dysfunction refers to a wide spectrum of clinical conditions featuring a decline in a variety of neuropsychological domains including memory, executive functioning, and speed of processing emerging week to months after anesthesia and surgery...
October 4, 2017: Minerva Anestesiologica
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