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Post operative cognitive dysfunction

Ashok Kumar Saxena, Geetanjali T Chilkoti, Anand K Chopra, Basu Dev Banerjee, Tusha Sharma
BACKGROUND: The present study was undertaken to evaluate the incidence of chronic persistent post-surgical pain (CPPP) and the role of signal transduction genes in patients undergoing staging laparotomy for carcinoma ovary. METHODS: The present observational study was undertaken following institutional ethical committee approval and informed consent from all the participants. A total 21 patients of ASA grade I to III with age 20-70 years, scheduled for elective staging laparotomy for carcinoma ovary were included...
October 2016: Korean Journal of Pain
Zhenghua Hou, Yuxiu Sui, Xiaopeng Song, Yonggui Yuan
The intuitive association between cognitive impairment and aberrant functional activity in the brain network has prompted interest in exploring the role of functional connectivity in late-onset depression (LOD). The relationship of altered voxel-mirrored homotopic connectivity (VMHC) and cognitive dysfunction in LOD is not yet well understood. This study was designed to examine the implicit relationship between the disruption of interhemispheric functional coordination and cognitive impairment in LOD. LOD patients (N = 31) and matched healthy controls (HCs; N = 37) underwent neuropsychological tests and functional magnetic resonance imaging (fMRI) in this study...
2016: Frontiers in Aging Neuroscience
C Ruggiero, L Bonamassa, L Pelini, I Prioletta, L Cianferotti, A Metozzi, E Benvenuti, G Brandi, A Guazzini, G C Santoro, P Mecocci, D Black, M L Brandi
: This study investigates the relationship between cognitive dysfunction or delirium detected in the early post-surgical phase and the 1-year mortality among 514 hip fracture hospitalized older persons. Patients with early cognitive dysfunction or delirium experienced a 2-fold increased mortality risk. Early post-operative cognitive dysfunction and delirium are negative prognostic factors for mortality. BACKGROUND AND PURPOSE: Premorbid cognitive impairment and dementia in older individuals negatively affect functional recovery after hip fracture...
October 7, 2016: Osteoporosis International
Yan Wang, Xiaohua Liu, Haiying Li
OBJECTIVE: To explore the effect of general anesthesia combined with epidural anesthesia and patient-controlled epidural analgesia on the incidence of the post-operative cognitive dysfunction (POCD) in elderly patients.
 METHODS: A total of 100 elderly patients with gastric cancer, who underwent radical gastrectomy in Yan'an People's Hospital from March 2012 to March 2015, were randomly divided into 3 groups: a general anesthesia and patient-controlled intravenous analgesia (PCIA) (Group I, n=35), a general anesthesia combined with epidural anesthesia and PCIA (Group II, n=30), and a general anesthesia combined with epidural anesthesia and patient-controlled epidural analgesia (PCEA) (Group III, n=35)...
August 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
M Franck, K Nerlich, B Neuner, P Schlattmann, W R Brockhaus, C D Spies, F M Radtke
BACKGROUND: Post-operative delirium and post-operative cognitive dysfunction (POCD) are both common but it has not been clarified how closely they are associated. We aimed to assess the possible relationship in a secondary analysis of data from the 'Surgery Depth of anaesthesia and Cognitive outcome'- study. METHODS: We included patients aged ≥ 60 years undergoing non-cardiac surgery planned for longer than 60 min. Delirium was assessed according to the Diagnostic and Statistical Manual of Mental Disorders IV criteria in the post-anaesthesia care unit (PACU) as well as within the first week after surgery...
November 2016: Acta Anaesthesiologica Scandinavica
Maria D Pappa, Nikolaos V Theodosiadis, Andreas Tsounis, Pavlos Sarafis
BACKGROUND: Many studies have shown that a large number of patients undergoing surgery show a measurable cognitive deterioration after surgery, while many of them still show cognitive deficits even three months later an operation. These specific cognitive deficits in which there is a temporal association between surgery and mental disorders are defined as postoperative impairment of cognitive function. Among cognitive disorders occurring during the postoperative period, the post-operative cognitive dysfunction (POCD) is less studied...
2016: Global Journal of Health Science
Zhe Song, Paul Fu, Mingying Chen, Qi Bi
OBJECTIVE: To investigate the relationship between an abnormal CT perfusion scan and postoperative cognitive dysfunction, as measured by changes in MoCA and MMSE scores, after off-pump coronary artery bypass grafting (OPCABG). METHODS: Eight hundred and thirteen patients were selected who underwent OPCABG between August 2010 and September 2013. Cognitive function was assessed before operation and at seven days post-op. CT perfusion scan was obtained preoperatively and was used to divide patients into two groups: abnormal perfusion and normal perfusion groups...
June 2016: Neurological Research
Yan Liu, Xin-Juan Wang, Na Wang, Cai-Lian Cui, Liu-Zhen Wu
While general anesthesia is known to induce cognitive deficits in elderly and pediatric patients, its influence on adults is less well-characterized. The present study was designed to evaluate the influence of propofol on the learning and memory of young adult rats, as well as the potential neuroprotective role of electroacupuncture (EA) in propofol-induced cognitive impairment. Intravenous anesthesia with propofol was administered to young adult male Sprague-Dawley (SD) rats for 6 h, and EA was administered three times before and after anesthesia...
2016: American Journal of Chinese Medicine
Lisbeth Evered, Brendan Silbert, David A Scott
Changes in cognition are known to follow anesthesia and surgery in older individuals (Evered et al., 2011). Although survival per se was the prime outcome in the 19th and early 20th centuries for invasive procedures, a link was none-the-less observed with adverse cognitive outcomes as far back as 1887 (Savage, 1887). Historical reports of "insanity" or "weak mindedness" after anesthesia appeared within 40 years of the first anesthetic having been administered and anecdotal and retrospective reports have implicated anesthesia ever since...
July 2016: International Psychogeriatrics
Joyce Yeung, Vanisha Patel, Rita Champaneria, Janine Dretzke
BACKGROUND: With an ageing population, the incidence of hip fractures requiring surgery is increasing. Post-operative delirium is common following hip fracture surgery. Delirium is associated with high mortality and morbidity, poor long-term functional outcomes and institutionalisation. There is some evidence to suggest that perioperative intervention, specifically the anaesthetic technique employed, may reduce the incidence of delirium in this population. The aim of this systematic review is to investigate the impact of anaesthesia type on post-operative delirium...
April 21, 2016: Systematic Reviews
Hui-Lin Wang, Hua Liu, Zhang-Gang Xue, Qing-Wu Liao, Hao Fang
Although it is known that isoflurane exposure or surgery leads to post-operative cognitive dysfunction in aged rodents, there are few clinical interventions and treatments available to prevent this disorder. Minocycline (MINO) produces neuroprotection from several neurodegenerative diseases and various experimental animal models. Therefore, we set out to investigate the effects of MINO pre-treatment on isoflurane or surgery induced cognitive impairment in aged mice by assessing the hippocampal-dependent spatial memory performance using the Morris water maze task...
September 2016: Journal of Cellular and Molecular Medicine
S Paredes, L Cortínez, V Contreras, B Silbert
BACKGROUND: Post-operative cognitive dysfunction is defined as a decline in cognitive functions that occurs after surgery, but different diagnostic criteria and incidences have been reported in medical literature. Our aim was to determine incidence of post-operative cognitive dysfunction 3 months after non-cardiac surgery in adults. METHODS: A systematic review of available evidence was performed by PRISMA guidelines. A search was done in May-July 2015 on PubMed, EMBASE, CINAHL, LILACS, Scielo, Clinical Trials, and Grey Literature Reports...
September 2016: Acta Anaesthesiologica Scandinavica
Chen Chen, Guang-hong Xu, Yuan-hai Li, Wei-xiang Tang, Kai Wang
BACKGROUND: Postoperative cognitive dysfunction is a common complication of anesthesia and surgery. Attention networks are essential components of cognitive function and are subject to impairment after anesthesia and surgery. It is not known whether such impairment represents a global attention deficit or relates to a specific attention network. We used an Attention Network Task (ANT) to examine the efficiency of the alerting, orienting, and executive control attention networks in middle-aged women (40-60 years) undergoing gynecologic surgery...
April 15, 2016: Journal of the Neurological Sciences
Insa Feinkohl, Georg Winterer, Tobias Pischon
BACKGROUND: Post-operative cognitive dysfunction, a condition distinct from post-operative delirium (POD), occurs frequently after surgery, and is related to dementia and premature death. Obesity increases the risk of late-life cognitive impairment, but little is known about its role in post-operative cognitive dysfunction. We conducted a systematic review and meta-analysis of studies on the association between obesity and risk of post-operative cognitive dysfunction. METHODS: PubMed and the Cochrane Library were systematically searched...
September 2016: Diabetes/metabolism Research and Reviews
Takashi Kawano, Satoru Eguchi, Hideki Iwata, Daiki Yamanaka, Hiroki Tateiwa, Fabricio M Locatelli, Masataka Yokoyama
AIMS: The present study aimed to explore the preventive or therapeutic effect of peri-operative pregabalin treatment on the memory deficits and related hippocampal inflammation following surgery in aged rats. MAIN METHODS: Aged rats underwent abdominal or sham surgery, and were then divided into 2 groups, either early or late pregabalin treatment. Fourteen days after surgery, the cognitive function was assessed using novel object recognition test, followed by measurement of hippocampal cytokines and voltage-dependent calcium channel α2δ subunit (CACNA2D1)...
March 1, 2016: Life Sciences
M J Lelos, R J Morgan, C M Kelly, E M Torres, A E Rosser, S B Dunnett
BACKGROUND: Patients suffering from Parkinson's disease (PD) display cognitive and neuropsychiatric dysfunctions, especially with disease progression. Although these impairments have been reported to impact more heavily upon a patient's quality of life than any motor dysfunctions, there are currently no interventions capable of adequately targeting these non-motor deficits. OBJECTIVES: Utilizing a rodent model of PD, we investigated whether cell replacement therapy, using intrastriatal transplants of human-derived ventral mesencephalic (hVM) grafts, could alleviate cognitive and neuropsychiatric, as well as motor, dysfunctions...
April 2016: Experimental Neurology
Catherine C Price, Shellie-Anne Levy, Jared Tanner, Cyndi Garvan, Jade Ward, Farheen Akbar, Dawn Bowers, Mark Rice, Michael Okun
BACKGROUND: Post-operative cognitive dysfunction (POCD) demarks cognitive decline after major surgery but has been studied to date in "healthy" adults. Although individuals with neurodegenerative disorders such as Parkinson's disease (PD) commonly undergo elective surgery, these individuals have yet to be prospectively followed despite hypotheses of increased POCD risk. OBJECTIVE: To conduct a pilot study examining cognitive change pre-post elective orthopedic surgery for PD relative to surgery and non-surgery peers...
2015: Journal of Parkinson's Disease
Massimiliano Toscano, Emanuela Cecconi, Elisa Capiluppi, Alessandro Viganò, Pierluigi Bertora, Laura Campiglio, Claudio Mariani, Barbara Petolicchio, Tullia Sasso D'Elia, Angela Verzina, Edoardo Vicenzini, Marco Fiorelli, Giuliana Cislaghi, Vittorio Di Piero
BACKGROUND AND PURPOSE: About half of the dysphagic stroke patients have persistent swallowing dysfunction after 7 days from symptom onset. The aim of the study was to evaluate incidence, prognosis, clinical and neuroradiological correlates of post-stroke dysphagia. METHODS: We prospectively examined consecutive patients with acute ischemic or hemorrhagic stroke. Patients' clinical and neuroradiological data were collected. Swallowing function was assessed by the water swallow test upon admission and after 14 days; patients were then classified as persistent dysphagic, non-persistent dysphagic or non-dysphagic...
2015: European Neurology
Min Liu, Kaige Zhou, Hailong Li, Xin Dong, Guangguo Tan, Yifeng Chai, Weizhong Wang, Xiaoying Bi
Cognitive impairment commonly accompanies clinical syndromes associated with stroke. The identification of laboratory markers of post-stroke cognitive impairment (PSCI) may help detect patients at increased risk of cognitive deterioration and determine the appropriate treatment regimes. A non-targeted metabolomics approach based on ultra-high performance liquid chromatography coupled with Q-TOF mass spectrometry was applied to study PSCI. The stroke patients were significantly distinguishable from the healthy subjects...
December 2015: Molecular BioSystems
Simon J Mitchell, Alan F Merry
From the time an association was perceived between cardiac surgery and post-operative cognitive dysfunction (POCD), there has been interest in arterial microemboli as one explanation. A succession of studies in the mid-1990s reported a correlation between microemboli exposure and POCD and there followed a focus on microemboli reduction (along with other strategies) in pursuit of peri-operative neuroprotection. There is some evidence that the initiatives developed during this period were successful in reducing neurologic morbidity in cardiac surgery...
March 2015: Journal of Extra-corporeal Technology
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