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https://www.readbyqxmd.com/read/28764158/salivary-anti-50-kda-antibodies-as-a-useful-biomarker-for-diagnosis-of-typhoid-fever
#1
Nur Eliyana Mohd Redhuan, Kai Ling Chin, Azreen Syazril Adnan, Asma Ismail, Prabha Balaram, Kia Kien Phua
INTRODUCTION: Typhoid fever remains a scourge of humanity, especially in developing and under-developed countries due to poor sanitation and food hygiene. Diagnostic methods available for detection of this disease are not satisfactory due to a lack of sensitive, specific, rapid and convenient diagnostic test kits available in the market. AIM: To evaluate the feasibility of a Dot-EIA method for Ig-class specific salivary antibody detection for diagnosis of typhoid fever...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28760515/mri-markers-of-neurodegenerative-and-neurovascular-changes-in-relation-to-postoperative-delirium-and-postoperative-cognitive-decline
#2
REVIEW
Ilse M J Kant, Jeroen de Bresser, Simone J T van Montfort, Arjen J C Slooter, Jeroen Hendrikse
Postoperative delirium (POD) and postoperative cognitive decline (POCD) are common in elderly patients. The aim of the present review was to explore the association of neurodegenerative and neurovascular changes with the occurrence of POD and POCD. Fifteen MRI studies were identified by combining multiple search terms for POD, POCD, and brain imaging. These studies described a total of 1,422 patients and were all observational in design. Neurodegenerative changes (global and regional brain volumes) did not show a consistent association with the occurrence of POD (four studies) or POCD (two studies)...
June 28, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28752006/short-term-and-long-term-effects-of-dexamethasone-on-cognitive-dysfunction-induced-by-sevoflurane-in-adult-rats
#3
Tuğba Karaman, Serkan Karaman, Serkan Doğru, Hakan Tapar, Aynur Şahin, Mustafa Süren
OBJECTIVE: Postoperative cognitive dysfunction (POCD) is common after anaesthesia in elderly patients. However, it may appear in patients of all ages. The main pathogenesis of cognitive dysfunction remains unclear, although there is some evidence that brain inflammation may alter cognitive abilities. In the present study, we aim to evaluate short-term and long-term effects of dexamethasone on cognitive dysfunction induced by sevoflurane anaesthesia in adult rats. METHODS: Seven-month-old 30 male Wistar albino rats were randomised into three groups: sevoflurane group (exposure to sevoflurane), sevoflurane + dexamethasone group (exposure to sevoflurane and dexamethasone injection), and control group (exposure to 100% oxygen)...
June 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28743056/apigenin-attenuates-isoflurane-induced-cognitive-dysfunction-via-epigenetic-regulation-and-neuroinflammation-in-aged-rats
#4
Lin Chen, Wenji Xie, Wenqin Xie, Weiqiang Zhuang, Changcheng Jiang, Naizhen Liu
PURPOSE OF THE RESEARCH: Post operational cognitive dysfunction (POCD) occurs in patients after anesthesia and surgery. Abnormal histone acetylation and neuroinflammation are key factors in the pathogenesis of cognitive impairment. Apigenin not only has an anti-inflammatory activity but also modifies histone acetylation. We aimed to investigate whether apigenin can attenuate isoflurane exposure-induced cognitive decline by regulating histone acetylation and inflammatory signaling. MATERIALS AND METHODS: Spatial learning and memory were assessed by Morris water maze test...
July 6, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28724382/activation-of-cannabinoid-receptor-type-2-attenuates-surgery-induced-cognitive-impairment-in-mice-through-anti-inflammatory-activity
#5
Lingling Sun, Rui Dong, Xin Xu, Xi Yang, Mian Peng
BACKGROUND: Neuroinflammation plays a major role in postoperative cognitive dysfunction (POCD). Accumulated evidence indicates that cannabinoid receptor type 2 (CB2R) can mediate anti-inflammatory and immunomodulatory effects in part by controlling microglial activity. However, the impact of CB2R on postoperative cognition has not been investigated. We hypothesized that CB2R is involved in surgery-induced cognitive impairment in adult mice. METHODS: Adult C57BL/6 mice were subjected to intramedullary fixation surgery for tibial fracture under isoflurane anesthesia and CB2R agonist (JWH133) or CB2R antagonist (AM630) treatment...
July 19, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28684969/electroacupuncture-alleviates-postoperative-cognitive-dysfunction-in-aged-rats-by-inhibiting-hippocampal-neuroinflammation-activated-via-microglia-tlrs-pathway
#6
Pei-Pei Feng, Pu Deng, Li-Hua Liu, Qi Ai, Jie Yin, Zhe Liu, Gai-Mei Wang
Neuroinflammation has been suggested to be involved in the pathogenesis of postoperative cognitive dysfunction (POCD). Electroacupuncture (EA) is an irreplaceable method in traditional Chinese medicine that is used for treating neurodegenerative diseases in clinical and experimental studies. The aim of this study was to examine whether EA improves cognitive dysfunction caused by surgery and to investigate the pathological mechanism of TLR2 and TLR4 in the hippocampus of aged rats. A rat model of POCD was established and treated with EA or minocycline...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28672938/edaravone-improves-spatial-memory-and-modulates-endoplasmic-reticulum-stress-mediated-apoptosis-after-abdominal-surgery-in-mice
#7
Ayong Tian, Hong Ma, Rongwei Zhang, Yong Cui, Chengfu Wan
Patients who receive major surgery often develop postoperative cognitive dysfunction (POCD); however, there is a lack of effective management as the pathogenesis of this disorder has not been fully elucidated. The neuroprotective effects of edaravone have been characterized in both in vitro cultured cells and in experimental animal models. The present study aimed to determine the potential role of edaravone in surgery-induced cognitive decline in mice. Animals were assigned to three groups: Control group (n=32), where mice received local anesthesia; surgery group (n=32), where mice underwent abdominal surgery under anesthesia; and edaravone group (n=32), where mice received abdominal surgery and were administered with edaravone (3 mg/kg)...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28669717/mirnas-may-regulate-gabaergic-transmission-associated-genes-in-aged-rats-with-anesthetics-induced-recognition-and-working-memory-dysfunction
#8
Ligang Shan, Duo Ma, Chengshen Zhang, Wei Xiong, Yi Zhang
BACKGROUND: Isoflurane and sevoflurane are widely used anesthetics in surgery and administration of these anesthetics could lead to postoperative cognitive dysfunction (POCD). However, the mechanisms remain unclear. METHODS: Aged Wistar rats were exposed to isoflurane and sevoflurane for 2 or 4h. Recognition memory and spatial working memory were measured using Novel object recognition (NOR) and Y-maze test, respectively. Apoptotic cells were detected by TUNEL staining...
September 1, 2017: Brain Research
https://www.readbyqxmd.com/read/28621687/differentially-expressed-lncrnas-and-mirnas-with-associated-cerna-networks-in-aged-mice-with-postoperative-cognitive-dysfunction
#9
Changwei Wei, Ting Luo, Shanshan Zou, Xiaobin Zhou, Wenzhen Shen, Xiaolin Ji, Qi Li, Anshi Wu
Postoperative cognitive dysfunction (POCD) is a common postoperative complication observed in elderly patients. Using microarray analyses, we comprehensively compared long non-coding RNA (lncRNA), messenger RNA (mRNA), and microRNA (miRNA) expression profiles in hippocampal tissues from a mouse model of POCD and control mice. A total of 175 lncRNAs, 117 mRNAs, and 26 miRNAs were differentially expressed between POCD and control mice. Gene ontology (GO) and KEGG pathway enrichment analyses were performed to explore the principal functions of dysregulated genes...
June 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28610657/delirium-as-a-risk-factor-for-pocd
#10
Torsten Kratz, Albert Diefenbacher
No abstract text is available yet for this article.
May 26, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28603544/hypertension-and-risk-of-post-operative-cognitive-dysfunction-pocd-a-systematic-review-and-meta-analysis
#11
I Feinkohl, G Winterer, T Pischon
BACKGROUND: Post-operative cognitive dysfunction (POCD) occurs frequently after major surgery. Hypertension is well-established as a risk factor for age-related cognitive impairment, but it is unclear whether or not it also increases the risk of POCD. OBJECTIVE: To evaluate the role of hypertension in POCD risk in a systematic review and meta-analysis. METHOD: PubMed, Ovid SP and the Cochrane Database of Systematic Reviews were searched for longitudinal studies of adults undergoing surgery with reporting of hypertension, blood pressure and/or anti-hypertensive treatment associations with POCD as relative risks or odds ratios...
2017: Clinical Practice and Epidemiology in Mental Health: CP & EMH
https://www.readbyqxmd.com/read/28599629/dose-dependent-effects-of-intravenous-methoxamine-infusion-during-hip-joint-replacement-surgery-on-postoperative-cognitive-dysfunction-and-blood-tnf-%C3%AE-level-in-elderly-patients-a-randomized-controlled-trial
#12
Shenghui Sun, Defeng Sun, Lin Yang, Jun Han, Ruochuan Liu, Lijie Wang
BACKGROUND: Postoperative cognitive dysfunction (POCD), common in elderly patients, is thought to be closely associated with intraoperative instability of hemodynamics and excessive excretion of tumor necrosis factor-α (TNF-α). Methoxamine is a blood-pressure increasing drug commonly used for maintaining intraoperative hemodynamics. Methoxamine potentially promotes TNF-α expression, leading to an increased risk of POCD. This study aimed to investigate the dose-dependent effect of methoxamine on the incidence of early POCD and blood TNF-α level...
June 9, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28587818/astrocyte-derived-ccl2-participates-in-surgery-induced-cognitive-dysfunction-and-neuroinflammation-via-evoking-microglia-activation
#13
Jiawen Xu, Hongquan Dong, Qingqing Qian, Xiang Zhang, Yiwei Wang, Wenjie Jin, Yanning Qian
Neuroinflammation induced by peripheral trauma plays a key role in the development of postoperative cognitive dysfunction (POCD). Substantial evidence points to reactive glia as a pivotal factor during the inflammation process. However, little is known about the functional interactions between astrocytes and microglia. Recent evidence suggests the involvement of the CCL2-CCR2 pathway in CNS inflammation-related diseases. Our previous studies have suggested that astrocyte-derived CCL2 can induce microglial activation in vitro...
June 3, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28551697/association-between-abo-blood-type-and-postoperative-cognitive-dysfunction-in-elderly-patients-undergoing-unilateral-total-hip-arthroplasty-surgery-in-china
#14
Jie Li, Jun Zhou, Yunqiang Wan, Li Liu, Cehua Ou
BACKGROUND Postoperative cognitive dysfunction (POCD) is a postoperative complication after surgery and anesthesia. Whether ABO blood types are associated with POCD in elderly patients undergoing unilateral total hip arthroplasty surgery in China is unclear. MATERIAL AND METHODS Firstly, 142 elderly patients were divided into a POCD group and a non-POCD group according to the Mini Mental State Examination (MMSE) scores and ABO blood types were analyzed. Secondly, according to ABO blood type, the selected 226 patients were divided into 4 groups: type A group, type B group, type AB group, and type O group...
May 28, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28537663/the-significance-of-s100%C3%AE-protein-on-postoperative-cognitive-dysfunction-in-patients-who-underwent-single-valve-replacement-surgery-under-general-anesthesia
#15
X He, L-J Wen, C Cui, D-R Li, J-F Teng
OBJECTIVE: To analyze the effect of S100β protein on postoperative cognitive dysfunction (POCD) in patients who underwent single valve replacement surgery. PATIENTS AND METHODS: Mini Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) were applied to evaluate 178 patients who underwent single valve replacement surgery under general anesthesia from June 2014 to December 2015. Patients were assessed 1 day before surgery and on postoperative days 2 and 9...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28533746/intraoperative-frontal-alpha-band-power-correlates-with-preoperative-neurocognitive-function-in-older-adults
#16
Charles M Giattino, Jacob E Gardner, Faris M Sbahi, Kenneth C Roberts, Mary Cooter, Eugene Moretti, Jeffrey N Browndyke, Joseph P Mathew, Marty G Woldorff, Miles Berger
Each year over 16 million older Americans undergo general anesthesia for surgery, and up to 40% develop postoperative delirium and/or cognitive dysfunction (POCD). Delirium and POCD are each associated with decreased quality of life, early retirement, increased 1-year mortality, and long-term cognitive decline. Multiple investigators have thus suggested that anesthesia and surgery place severe stress on the aging brain, and that patients with less ability to withstand this stress will be at increased risk for developing postoperative delirium and POCD...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28497311/circulating-tnf-%C3%AE-levels-increased-and-correlated-negatively-with-igf-i-in-postoperative-cognitive-dysfunction
#17
Jue Jiang, Xiang Lv, Bing Liang, Hong Jiang
Signaling pathways of tumor necrosis factor-α (TNF-α) and insulin-like growth factor-I (IGF-I) are found to be functionally interrelated in some experimental studies. IGF-I may be involved in the pathogenesis of postoperative cognitive dysfunction (POCD). In order to investigate the possible interaction of TNF-α and IGF-I in POCD, the plasma levels of IGF-I and TNF-α were determined in 44 patients under general anesthesia. As compared with non-POCD patients, POCD patients showed increased TNF-α and decreased IGF-I levels in plasma, as well as a significant negative correlation between TNF-α and IGF-I values...
August 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28494914/the-effect-of-melatonin-on-early-postoperative-cognitive-decline-in-elderly-patients-undergoing-hip-arthroplasty-a-randomized-controlled-trial
#18
Yunxia Fan, Liang Yuan, Muhuo Ji, Jianjun Yang, Dapeng Gao
STUDY OBJECTIVE: The purpose of the present study was to investigate whether exogenous melatonin supplementation could ameliorate early postoperative cognitive decline (POCD) in aged patients undergoing hip arthroplasty with spinal anesthesia. DESIGN: Prospective cohort study. SETTING: Department of Anesthesiology, Jinling Hospital, Nanjing University, Nanjing, China. PATIENTS: One hundred and thirty-nine patients with ASA I-III, older than 65yr of age (mean age: 74...
June 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28489775/effects-of-nimodipine-on-postoperative-delirium-in-elderly-under-general-anesthesia-a-prospective-randomized-controlled-clinical-trial
#19
Ya-Nan Li, Qi Zhang, Chun-Ping Yin, Yang-Yang Guo, Shu-Ping Huo, Liang Wang, Qiu-Jun Wang
Nimodipine is a clinical commonly used calcium antagonistscan lowering the apoptosis rate of hippocampal neuron to reduce the incidence of postoperative cognitive dysfunction (POCD). This study was designed to evaluate the effects of nimodipine on postoperative delirium in elderly under general anesthesia.Sixty patients shceduced spine surgery under general anesthesia were randomly assigned into 2 groups using a random number table: control group (Group C) and nimodipine group (Group N). In Group N, nimodipine 7...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28479899/effects-of-vasodilator-and-esmolol-induced-hemodynamic-stability-on-early-post-operative-cognitive-dysfunction-in-elderly-patients-a-randomized-trial
#20
Sheng-Hui Sun, Lin Yang, De-Feng Sun, Yue Wu, Jun Han, Ruo-Chuan Liu, Li-Jie Wang
OBJECTIVE: To investigate the effect of continuous intravenous injection of nicardipine and/or nitroglycerin with or without esmolol on the occurrence of early post-operative cognitive dysfunction (POCD) in elderly patients. METHODS: Elderly patients (n=340) who underwent radiofrequency ablation for atrial fibrillation were randomized into five groups: A, nicardipine; B nicardipine+esmolol; C, (nitroglycerin) group; D nitroglycerin+esmolol; E (control) groups. The hemodynamic parameters were recorded, and Mini Mental State Examination was used to assess cognitive function...
December 2016: African Health Sciences
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