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Cognition and anesthesia

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https://www.readbyqxmd.com/read/28338180/influence-of-dexmedetomidine-to-cognitive-function-during-recovery-period-for-children-with-general-anesthesia
#1
Z-M Jia, H-N Hao, M-L Huang, D-F Ma, X-L Jia, B Ma
OBJECTIVE: We studied the influence of Dexmedetomidine on cognitive function in children during the recovery period of general anesthesia. PATIENTS AND METHODS: Ninety-three children who underwent general anesthesia were selected and randomly divided into (1) the control group, (2) the dexmedetomidine group, and (3) the dezocine group. Fentanyl, propofol, and rocuronium were used in all patients to induce anesthesia, while sevoflurane inhalation and propofol were used to maintain anesthesia...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28332236/the-mortality-rate-of-electroconvulsive-therapy-a-systematic-review-and-pooled-analysis
#2
REVIEW
N Tørring, S N Sanghani, G Petrides, C H Kellner, S D Østergaard
OBJECTIVE: Electroconvulsive therapy (ECT) remains underutilized because of fears of cognitive and medical risks, including the risk of death. In this study, we aimed to assess the mortality rate of ECT by means of a systematic review and pooled analysis. METHOD: The study was conducted in adherence with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. The ECT-related mortality rate was calculated as the total number of ECT-related deaths reported in the included studies divided by the total number of ECT treatments...
March 23, 2017: Acta Psychiatrica Scandinavica
https://www.readbyqxmd.com/read/28319541/what-can-population-data-tell-us-about-anesthesia-and-cognition-in-the-vulnerable-older-patient
#3
Lisbeth A Evered
No abstract text is available yet for this article.
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28317003/peri-operative-inflammatory-cytokines-in-plasma-of-the-elderly-correlate-in-prospective-study-with-postoperative-changes-in-cognitive-test-scores
#4
R Kline, E Wong, M Haile, S Didehvar, S Farber, A Sacks, E Pirraglia, M J de Leon, A Bekker
Increasingly, postoperative cognitive dysfunction (POCD) is recognized as a complication after surgery in the elderly; but it's etiology remains unclear. Here we examine changes in cytokine levels during both the pre-operative and postoperative period, comparing them with long term variation in cognitive test scores. Forty-one patients aged 65 and older undergoing major surgery with general anesthesia were recruited after written consent in this IRB approved study. Thirty went on to complete this prospective, non-interven-tional and non-randomized study...
August 2016: Int J Anesthesiol Res
https://www.readbyqxmd.com/read/28298935/cardioprotection-of-electroacupuncture-for-enhanced-recovery-after-surgery-on-patients-undergoing-heart-valve-replacement-with-cardiopulmonary-bypass-a-randomized-control-clinical-trial
#5
Fangxiang Zhang, Xiangdi Yu, Hong Xiao
We attempted to investigate cardioprotection of electroacupuncture (EA) for enhanced recovery after surgery on patients undergoing heart valve replacement with cardiopulmonary bypass. Forty-four patients with acquired heart valve replacement were randomly allocated to the EA group or the control group. Patients in the EA group received EA stimulus at bilateral Neiguan (PC6), Ximen (PC4), Shenting (GV24), and Baihui (GV20) acupoints twenty minutes before anesthesia induction to the end of surgery. The primary end point was cardioprotection effect of electroacupuncture postoperatively and the secondary endpoints were quality of recovery and cognitive functioning postoperatively...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28298244/frailty-related-to-anesthesia-guided-by-the-index-bispectral-frail-study-study-protocol-for-a-randomized-controlled-trial
#6
Morgan Le Guen, Marie Herr, Antoine Bizard, Caroline Bichon, Nathalie Boichut, Thierry Chazot, Ngai Liu, Joel Ankri, Marc Fischler
BACKGROUND: Currently, patients older than 60 years of age represent 25% of the population and are at an increased risk during surgery. Therefore, reducing postoperative morbidity and mortality is a major concern in medical research and practice. Dependence on caregivers and cognitive impairment represent two major risk factors in the elderly, especially in frail patients after surgery under general anesthesia. In this context, continuous monitoring of the depth of anesthesia using a bispectral index (BIS) sensor may reduce the occurrence of impairments by gaining better control of the anesthetic depth...
March 16, 2017: Trials
https://www.readbyqxmd.com/read/28293478/disrupted-brain-network-functional-dynamics-and-hyper-correlation-of-structural-and-functional-connectome-topology-in-patients-with-breast-cancer-prior-to-treatment
#7
Shelli R Kesler, Marjorie Adams, Melissa Packer, Vikram Rao, Ashley M Henneghan, Douglas W Blayney, Oxana Palesh
INTRODUCTION: Several previous studies have demonstrated that cancer chemotherapy is associated with brain injury and cognitive dysfunction. However, evidence suggests that cancer pathogenesis alone may play a role, even in non-CNS cancers. METHODS: Using a multimodal neuroimaging approach, we measured structural and functional connectome topology as well as functional network dynamics in newly diagnosed patients with breast cancer. Our study involved a novel, pretreatment assessment that occurred prior to the initiation of any cancer therapies, including surgery with anesthesia...
March 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28291057/mild-cognitive-impairment-and-exposure-to-general-anesthesia-for-surgeries-and-procedures-a-population-based-case-control-study
#8
Juraj Sprung, Rosebud O Roberts, David S Knopman, Lauren L Price, Hunter P Schulz, Christie L Tatsuyama, Toby N Weingarten, Darrell R Schroeder, Andrew C Hanson, Ronald C Petersen, David O Warner
BACKGROUND: To examine whether exposure to general anesthesia for procedures at age ≥40 years is associated with prevalent mild cognitive impairment (MCI) in the elderly. METHODS: A case-control study nested within a population-based cohort. Olmsted County, Minnesota, residents, aged 70-91 years, underwent baseline evaluations that included the Clinical Dementia Rating scale, a neurologic evaluation, and neuropsychologic testing. Individuals identified with MCI (cases) at enrollment were matched 1:2 on age, sex, education, and apolipoprotein genotype with participants who were cognitively normal at the time of the index visit...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28282301/postoperative-confusion-in-older-adults
#9
Freddi Segal-Gidan
The development of postoperative confusion in older patients is increasingly being recognized as clinically significant because it is becoming more common as the population ages. Postoperative delirium and postoperative cognitive dysfunction differ in time course of development. Risk factors other than age include certain medications as well as anesthesia (both the type and amount used). Postoperative delirium and postoperative cognitive dysfunction appear to increase a patient's risk for developing dementia...
April 2017: JAAPA: Official Journal of the American Academy of Physician Assistants
https://www.readbyqxmd.com/read/28279665/multiple-sevoflurane-anesthesia-in-pregnant-mice-inhibits-neurogenesis-of-fetal-hippocampus-via-repressing-transcription-factor-pax6
#10
Fang Fang, Ruixue Song, Xiaomim Ling, Mengyuan Peng, Zhanggang Xue, Jing Cang
Sevoflurane is widely used in non-obstetric surgeries of pregnant women, but its influences on fetal brain are still not fully known. We set out to assess the effects of multiple maternal sevoflurane exposure on neurogenesis and cognitive dysfunction in fetus and offspring. Pregnant mice (gestational day 15.5) and cultured mouse neural stem cells (NSCs) received daily sevoflurane exposure (2.5%×2h and 4.1%×2h respectively) for three consecutive days. Cognitive function of the offspring was determined with the Morris water maze...
March 6, 2017: Life Sciences
https://www.readbyqxmd.com/read/28277380/update-on-developmental-anesthesia-neurotoxicity
#11
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/28275795/-correlations-of-plasma-concentrations-of-%C3%AE-amyloid-peptide-and-s-100%C3%AE-with-postoperative-cognitive-dysfunction-in-patients-undergoing-oral-and-maxillofacial-cancer-surgery
#12
Bing Liang, Yuan-Qing Sun, Jue Jiang, Hui Xu
PURPOSE: To evaluate the changes of perioperative plasma concentrations of Aβ1-40 and S-100β to determine the relationship with postoperative cognitive dysfunction in elderly patients undergoing oral and maxillofacial cancer surgeries. METHODS: One hundred and fifteen patients aged at least 60 years undergoing oral and maxillofacial tumor resection were investigated between May 2014 to December 2014.Neuropsychological tests for detecting postoperative cognitive dysfunction(POCD) were performed one day before surgery and 7 days postoperatively...
December 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28269788/anesthesia-surgery-induces-cognitive-impairment-in-female-alzheimer-s-disease-transgenic-mice
#13
Ce Zhang, Yiying Zhang, Yuan Shen, Guoqing Zhao, Zhongcong Xie, Yuanlin Dong
Anesthesia and/or surgery may promote Alzheimer's disease (AD) by accelerating its neuropathogenesis. Other studies showed different findings. However, the potential sex difference among these studies has not been well considered, and it is unknown whether male or female AD patients are more vulnerable to develop postoperative cognitive dysfunction. We therefore set out to perform a proof of concept study to determine whether anesthesia and surgery can have different effects in male and female AD transgenic (Tg) mice, and in female AD Tg plus Cyclophilin D knockout (CypD KO) mice...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28253549/the-immune-response-of-the-human-brain-to-abdominal-surgery
#14
Anton Forsberg, Simon Cervenka, Malin Jonsson Fagerlund, Lars S Rasmussen, Henrik Zetterberg, Helena Erlandsson Harris, Pernilla Stridh, Eva Christensson, Anna Granström, Anna Schening, Karin Dymmel, Nina Knave, Niccolò Terrando, Mervyn Maze, Jacqueline Borg, Andrea Varrone, Christer Halldin, Kaj Blennow, Lars Farde, Lars I Eriksson
OBJECTIVE: Surgery launches a systemic inflammatory reaction that reaches the brain and associates with immune activation and cognitive decline. While preclinical studies have in part described this systemic-to-brain signaling pathway, we lack information on how these changes appear in humans. This study examines the short- and long-term impact of abdominal surgery on the human brain immune system by Positron Emission Tomography (PET) in relation to blood immune reactivity, plasma inflammatory biomarkers and cognitive function...
March 2, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28252543/anesthetic-management-of-a-patient-with-multiple-previous-episodes-of-postanesthesia-care-unit-delirium-a-case-report
#15
Matthias Kreuzer, Matthew K Whalin, September D W Hesse, Margaret A Riso, Paul S García
We report the case of a 37-year-old female patient who required 22 surgeries following a pedestrian versus car accident. She was enrolled in a clinical study investigating emergence from anesthesia. In 10 of her 22 surgeries, we assessed her cognitive status in the postanesthesia care unit (PACU) using the Confusion Assessment Method. We observed PACU delirium in all 4 cases in which the patient received sevoflurane, but only in 1 of 6 cases in which she received propofol. The patient showed EEG α-band activity similar to that of an elderly patient who may reflect a greater risk of PACU delirium...
March 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28240778/predictors-of-posttraumatic-stress-symptoms-and-association-with-fear-of-falling-after-hip-fracture
#16
Sara L Kornfield, Eric J Lenze, Kerri S Rawson
OBJECTIVES: To determine whether fall-related hip fracture, alone or in the presence of Fear of Falling, is likely to induce PTSD in an elderly population. DESIGN: A longitudinal prospective study of patients admitted for hip fracture. SETTING: Eight St. Louis, Missouri, area hospitals. PARTICIPANTS: Individuals aged 60 and older admitted for surgical hip fracture repair after a fall (N = 456). MEASUREMENTS: Rates of partial and full posttraumatic stress disorder (pPTSD and fPTSD) were compared with rates of FoF...
February 27, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28240723/prolonged-duration-of-isoflurane-anesthesia-impairs-spatial-recognition-memory-through-the-activation-of-jnk1-2-in-the-hippocampus-of-mice
#17
Shan Jiang, Bei Miao, Ying Chen
Postoperative cognitive dysfunction is a frequent complication with surgery and anesthesia, and the underlying mechanism is unclear. Our aim was to investigate the effect of different durations of isoflurane anesthesia on spatial recognition memory and activation of JNK1/2 in the hippocampus of mice. In the present study, adult male mice were anesthetized with isoflurane for different durations (1.5% isoflurane for 1, 2, and 4 h). Spatial recognition memory was determined using spontaneous alternation and two-trial recognition memory in Y-maze at 24 h after anesthesia...
February 24, 2017: Neuroreport
https://www.readbyqxmd.com/read/28222822/electroconvulsive-therapy-with-s-ketamine-anesthesia-for-catatonia-in-coexisting-depression-and-dementia
#18
Zsuzsa Litvan, Martin Bauer, Siegfried Kasper, Richard Frey
Information on efficacy and safety of electroconvulsive therapy in patients with dementia is sparse. The current case report describes a patient suffering from severe depression and dementia who received electroconvulsive therapy with S-ketamine anesthesia at our psychiatric intensive care unit for the treatment of her therapy-resistant catatonic stupor. The patient's condition improved remarkably through the treatment. By the end of 16 electroconvulsive therapy sessions, her catatonic symptoms remitted entirely, her affect was brighter and she performed markedly better at the cognitive testing...
February 22, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28217289/peripheral-surgical-wounding-may-induce-cognitive-impairment-through-interlukin-6-dependent-mechanisms-in-aged-mice
#19
Yuanlin Dong, Zhipeng Xu, Lining Huang, Yiying Zhang, Zhongcong Xie
Post-operative cognitive dysfunction (POCD) is associated with morbidity, mortality and increased cost of medical care. However, the neuropathogenesis and targeted interventions of POCD remain largely to be determined. We have found that the peripheral surgical wounding induces an age-dependent Aβ accumulation, neuroinflammation and cognitive impairment in aged mice. Pro-inflammatory cytokine interlukin-6 (IL-6) has been reported to be associated with cognitive impairment in rodents and humans. However, the role of IL-6 in the neuropathogenesis of POCD is unknown...
October 2016: Medical Gas Research
https://www.readbyqxmd.com/read/28213636/decrease-of-glial-cell-derived-neurotrophic-factor-contributes-to-anesthesia-and-surgery-induced-learning-and-memory-dysfunction-in-neonatal-rats
#20
Lingli Gui, Xi Lei, Zhiyi Zuo
Long duration of anesthesia may induce toxicity in the developing brain. However, little is known about the effects of the combination of surgery and anesthesia on the developing brain. The mechanisms for the effects are not clear. To determine these effects, postnatal day 7 male and female Sprague-Dawley rats were exposed to 3% sevoflurane for 2 h with or without right common carotid exposure. Pyrrolidine dithiocarbamate (PDTC), an anti-inflammatory agent, was given 30 min before and 6 h after the carotid exposure...
February 17, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
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