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Cognition and anesthesia

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https://www.readbyqxmd.com/read/29781369/contralateral-extensive-cerebral-hemorrhagic-venous-infarction-caused-by-retrograde-venous-reflux-into-the-opposite-basal-vein-of-rosenthal-in-posttraumatic-carotid-cavernous-fistula-a-case-report-and-literature-review
#1
Prasert Iampreechakul, Adisak Tanpun, Punjama Lertbusayanukul, Somkiet Siriwimonmas
We describe a patient with traumatic carotid-cavernous fistula (CCF), subsequently developing contralateral extensive hemorrhagic venous infarction from retrograde venous reflux into the opposite basal vein of Rosenthal. A 54-year-old woman was involved in a motor vehicle accident and sustained severe traumatic brain injury. Two months later, she developed bilateral proptosis and audible bruit. Magnetic resonance imaging (MRI) and magnetic resonance angiography (MRA) of the brain demonstrated the right direct CCF...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29776428/evidence-of-the-impact-of-systemic-inflammation-on-neuroinflammation-from-a-non-bacterial-endotoxin-animal-model
#2
Chunxia Huang, Michael Garnet Irwin, Gordon Tin Chun Wong, Raymond Chuen Chung Chang
BACKGROUND: Systemic inflammation induces neuroinflammation and cellular changes such as tau phosphorylation to impair cognitive function, including learning and memory. This study uses a single model, laparotomy without any pathogen, to characterize these changes and their responses to anti-inflammatory treatment in the intermediate term. METHODS: In a two-part experiment, wild-type C57BL/6N mice (male, 3 month old, 25 ± 2 g) were subjected to sevoflurane anesthesia alone or to a laparotomy...
May 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29772594/-upper-age-limit-in-outpatient-anesthesia-opportunities-and-risks
#3
Tobias Hüppe, Nicole Kneller, Alexander Raddatz
Ambulatory surgery in elderly patients continues to increase - avoiding hospitalization and thus postoperative cognitive dysfunction in older patients being its major objectives. An upper age limit in outpatient anesthesia does not exist to date. However, functional rather than chronological age is crucial in patient selection. In consensus discussion, baseline functional status should be evaluated regularly - defined as everyday behaviors necessary to maintain daily life and encompassing areas of physical, cognitive, and social functioning...
May 2018: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29761010/central-cholinergic-system-mediates-working-memory-deficit-induced-by-anesthesia-surgery-in-adult-mice
#4
Xiao Zhang, Xuliang Jiang, Lili Huang, Weitian Tian, Xuemei Chen, Xiyao Gu, Weifeng Yu, Jie Tian, Diansan Su
Background: Postoperative cognitive dysfunction (POCD) is consistently associated with increased morbidity and mortality, which has become a major concern of patients and caregivers. Although POCD occurs mainly in aged patients, it happens at any age. Previous studies demonstrated that anesthesia/surgery had no effects on reference memory of adult mice. However, whether it impairs working memory remains unclear. Working memory deficit would result in many deficits of executive function...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760370/using-eye-tracking-technology-to-compare-the-effectiveness-of-malignant-hyperthermia-cognitive-aid-design
#5
Roderick King, Jaber Hanhan, T Kyle Harrison, Alex Kou, Steven K Howard, Lindsay K Borg, Cynthia Shum, Ankeet D Udani, Edward R Mariano
Background: Malignant hyperthermia is a rare but potentially fatal complication of anesthesia, and several different cognitive aids designed to facilitate a timely and accurate response to this crisis currently exist. Eye tracking technology can measure voluntary and involuntary eye movements, gaze fixation within an area of interest, and speed of visual response and has been used to a limited extent in anesthesiology. Methods: With eye tracking technology, we compared the accessibility of five malignant hyperthermia cognitive aids by collecting gaze data from twelve volunteer participants...
May 15, 2018: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/29752843/propofol-anesthesia-exposure-and-nonaversive-memory-retrieval-and-the-expression-of-molecules-involved-in-memory-process-in-the-dorsal-hippocampus-in-peripubertal-rats
#6
Željko Pavković, Desanka Milanović, Sabera Ruždijić, Selma Kanazir, Vesna Pešić
BACKGROUND: The effects of anesthetic drugs on postoperative cognitive function in children are not well defined and have not been experimentally addressed. AIMS: The present study aimed to examine the influence of propofol anesthesia exposure on nonaversive hippocampus-dependent learning and biochemical changes involved in memory process in the dorsal hippocampus, in peripubertal rats as the rodent model of periadolescence. METHODS: The intersession spatial habituation and the novel object recognition tasks were used to assess spatial and nonspatial, nonaversive hippocampus-dependent learning...
May 12, 2018: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29737490/regional-entropy-of-functional-imaging-signals-varies-differently-in-sensory-and-cognitive-systems-during-propofol-modulated-loss-and-return-of-behavioral-responsiveness
#7
Xiaolin Liu, Kathryn K Lauer, B Douglas Ward, Christopher J Roberts, Suyan Liu, Suneeta Gollapudy, Robert Rohloff, William Gross, Zhan Xu, Shanshan Chen, Lubin Wang, Zheng Yang, Shi-Jiang Li, Jeffrey R Binder, Anthony G Hudetz
The level and richness of consciousness depend on information integration in the brain. Altered interregional functional interactions may indicate disrupted information integration during anesthetic-induced unconsciousness. How anesthetics modulate the amount of information in various brain regions has received less attention. Here, we propose a novel approach to quantify regional information content in the brain by the entropy of the principal components of regional blood oxygen-dependent imaging signals during graded propofol sedation...
May 8, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29733822/cardiopulmonary-bypass-glial-fibrillary-acidic-protein-correlates-with-neurocognitive-skills
#8
Luca Vedovelli, Massimo Padalino, Agnese Suppiej, Stefano Sartori, Gianclaudio Falasco, Manuela Simonato, Virgilio P Carnielli, Giovanni Stellin, Paola Cogo
BACKGROUND: Neuro-cognitive deficits at school starting age may affect as many as 50% of children who underwent cardiac surgery for complex congenital heart diseases (CHD). The aim of this study was to identify which phases of cardiopulmonary bypass (CPB) are associated with an increased risk of impaired neurodevelopmental skills in children with complex CHD. This was assessed by means of glial fibrillary acidic protein (GFAP) plasma levels during CPB for CHD surgery, as a marker of neurological insult...
May 4, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29725829/involvement-of-acute-neuroinflammation-in-postoperative-delirium-like-cognitive-deficits-in-rats
#9
Takashi Kawano, Daiki Yamanaka, Bun Aoyama, Hiroki Tateiwa, Marie Shigematsu-Locatelli, Atsushi Nishigaki, Hideki Iwata, Fabricio M Locatelli, Masataka Yokoyama
PURPOSE: The purpose of this study was to investigate the age-, time-, and brain region-dependent postoperative neuroinflammatory trajectory, and its association with neurocognitive outcomes in rats. METHODS: Adult and aged rats were randomly assigned to one of three groups: control, isoflurane anesthesia alone, and isoflurane anesthesia with abdominal surgery. On either postoperative day 2 (early phase) or 7 (late phase), all rats were tested for trace and context fear memory retention after acquisition of trace fear conditioning...
May 3, 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29724975/long-term-consumption-of-energy-drinks-induces-biochemical-and-ultrastructural-alterations-in-the-heart-muscle
#10
Camelia Munteanu, Corina Rosioru, Corneliu Tarba, Camelia Lang
OBJECTIVE: Energy drinks (EDs) target young and active individuals and they are being marketed as enhancers of energy, concentration, and physical and cognitive performance. Their long-term consumption raises serious health concerns related to cardiovascular events. Here we investigate the effects of long-term Red Bull® consumption and its combination with alcohol on certain biochemical parameters and the ultrastructure of the myocardium. METHODS: Male Wistar rats were categorized into four groups and given different treatments via oral administration...
May 2018: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/29701042/-effects-of-transcutaneous-electrical-acupoint-stimulation-on-quality-of-recovery-during-early-period-after-laparoscopic-cholecystectomy
#11
Zhihua Mi, Ju Gao, Xiaoping Chen, Yali Ge, Kaixin Lu
OBJECTIVE: To evaluate the effect of transcutaneous electrical acupoint stimulation (TEAS) on the quality of recovery during the early period after laparoscopic cholecystectomy and the dosage of anesthetic and analgesic. METHODS: One hundred patients who received laparoscopic cholecystectomy with gradeⅠand Ⅱ of American Society of Anesthesiologists (ASA) criteria were randomly assigned into an observation group and a control group according to random number table, 50 cases in each group...
March 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29671090/postoperative-cognitive-dysfunction-after-cochlear-implantation
#12
Annes J Claes, Suzanne de Backer, Paul Van de Heyning, Annick Gilles, Vincent Van Rompaey, Griet Mertens
PURPOSE: Postoperative cognitive dysfunction (PCD) is a subtle, prolonged deterioration in cognition after surgery. This complication has been frequently investigated, mainly after major (cardiac) surgery. However, the incidence after cochlear implantation is unknown. Therefore, the aim of the study was to investigate the incidence and possible risk factors of PCD in severely hearing-impaired older adults after cochlear implantation. METHODS: In a prospective cohort study, 26 older participants (age: M = 70, SD = 8 years), scheduled for cochlear implantation, were assessed prior to and 1 week after implantation by means of the Montreal Cognitive Assessment (MoCA)...
April 18, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29665808/critical-role-of-nlrp3-caspase-1-pathway-in-age-dependent-isoflurane-induced-microglial-inflammatory-response-and-cognitive-impairment
#13
Zhi Wang, Shiyu Meng, Lin Cao, Ying Chen, Zhiyi Zuo, Shuling Peng
BACKGROUND: Elderly patients are more likely to suffer from postoperative cognitive dysfunction (POCD) after surgery and anesthesia. Except for declined organ function, the particular pathogenesis of POCD in elderly patients remains unknown. This study is carried out to determine the critical role of the NOD-like receptor protein 3 (NLRP3)-caspase-1 pathway in isoflurane-induced cognitive impairment. METHODS: Young (6-8 months old) and aged (14 months old) healthy male C57BL/6 mice were exposed to 1...
April 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29660304/circadian-rhythm-resynchronization-improved-isoflurane-induced-cognitive-dysfunction-in-aged-mice
#14
Jia Song, Shuaishuai Chu, Yin Cui, Yue Qian, Xiuxiu Li, Fangxia Xu, Xueming Shao, Zhengliang Ma, Tianjiao Xia, Xiaoping Gu
Postoperative cognitive dysfunction (POCD) is a common clinical phenomenon characterized by cognitive deficits in patients after anesthesia and surgery. Advanced age is a significant independent risk factor for POCD. We previously reported that in young mice, sleep-wake rhythm is involved in the isoflurane-induced memory impairment. In present study, we sought to determine whether advanced age increased the risk of POCD through aggravated and prolonged post-anesthetic circadian disruption in the elderly. We constructed POCD model by submitting the mice to 5-h 1...
April 13, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29656804/tools-to-screen-and-measure-cognitive-impairment-after-surgery-and-anesthesia
#15
Sérgio Vide, Pedro L Gambús
Cognition is essential to all aspects of our everyday life. Although we take our cognitive function for granted, the perioperative period is prone to several aggressions that might impair it. Postoperative cognitive dysfunction, has been the aim of many studies recently, and was shown to be very common with an incidence that can reach 40%, yielding not only impairment in cognition, but also longer hospital stays, higher costs and greater mortality. While several studies have revealed some of the mechanisms contributing to postoperative cognitive dysfunction, the search for the perfect instrument to screen and measure cognitive (dys)function has proven more elusive...
April 12, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29643802/the-beneficial-effects-of-cognitive-training-with-simple-calculation-and-reading-aloud-scra-in-the-elderly-postoperative-population-a-pilot-randomized-controlled-trial
#16
Kay Kulason, Rui Nouchi, Yasushi Hoshikawa, Masafumi Noda, Yoshinori Okada, Ryuta Kawashima
Background: There has been little research conducted regarding cognitive treatments for the elderly postsurgical population. Patients aged ≥60 years have an increased risk of postoperative cognitive decline, a condition in which cognitive functions are negatively affected. This cognitive decline can lead to a decline in quality of life. In order to maintain a high quality of life, the elderly postsurgical population may benefit from treatment to maintain and/or improve their cognitive functions. This pilot study investigates the effect of simple calculation and reading aloud (SCRA) cognitive training in elderly Japanese postsurgical patients...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29628565/postoperative-cognitive-dysfunction-in-indian-patients-undergoing-total-knee-replacement-under-spinal-anesthesia
#17
Praful Kilaru, A Ramachandra Reddy, Maryada Venketeshwar Reddy, Brijesh Kidiyoor, Vinay Mathew Joseph, Annapareddy Venkata Gurava Reddy
Introduction: Total knee replacement is a common surgical procedure in the elderly. The number of surgeries has increased owing to the increasing life expectancy of the population and better functional outcomes postsurgery. Postoperative cognitive dysfunction (POCD) is an identified entity postsurgery in elderly but most of the studies have been on patients undergoing cardiac and other nonorthopaedic surgeries. The studies have shown variable incidence due to selection bias. We studied the incidence and probable predictive factors of POCD in elderly Indian population undergoing total knee replacement under spinal anesthesia...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29624026/preoperative-anxiety-and-implications-on-postoperative-recovery-what-we-can-do-to-change-our-history
#18
Dusica M Stamenkovic, Nemanja K Rancic, Milan B Latas, Vojislava Neskovic, Goran M Rondovic, Jennifer D Wu, Davide Cattano
Preoperative anxiety can influence the intensity of postoperative pain and anesthesia and analgesia requirement. In certain types of surgery, anxiety may even increase postoperative morbidity and mortality. The goal of this narrative review is to remind anesthesiologists that anxiety measurement using specific tools can be done in clinical practice, to present the implications of preoperative anxiety on postoperative patient recovery, and to acknowledge the importance of a dedicated anesthesia plan in the management of anxious adult patients...
April 5, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29622312/oral-surgery-patient-safety-concepts-in-anesthesia
#19
REVIEW
Richard C Robert, Chirag M Patel
An effective office emergency preparedness plan for the oral and maxillofacial surgery office can be developed through the use of well-designed checklists, cognitive aids, and regularly scheduled in situ simulations with debriefings. In order to achieve this goal, the hierarchal culture of medicine and dentistry must be overcome, and an inclusive team concept embraced by all members of the staff. Technologic advancements in office automation now make it possible to create interactive cognitive aids. These enhance office emergency training and provide a means for more rapid retrieval of essential information and guidance during both simulations and a real crisis...
May 2018: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/29599834/improvement-of-postoperative-cognitive-dysfunction-and-attention-network-function-of-patients-with-ischemic-cerebrovascular-disease-via-dexmedetomidine
#20
Jingchao Zhang, Guoliang Wang, Fangxiang Zhang, Qian Zhao
The protective effect of dexmedetomidine on cognitive dysfunction and decreased attention network function of patients with ischemic cerebrovascular disease after stenting was investigated. Fifty-eight patients with ischemic cerebrovascular disease undergoing stenting in Guizhou Provincial People's Hospital were selected and randomly divided into control group (n=29) and dexmedetomidine group (n=29). The dexmedetomidine group was treated with dexmedetomidine before induced anesthesia, while the control group was given the same dose of normal saline; and the normal volunteers of the same age were selected as the normal group (n=29)...
March 2018: Experimental and Therapeutic Medicine
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