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https://www.readbyqxmd.com/read/28633545/late-recovery-of-awareness-in-prolonged-disorders-of-consciousness-a-cross-sectional-cohort-study
#1
Kudret Yelden, Sophie Duport, Leon M James, Agnieszka Kempny, Simon F Farmer, Alex P Leff, E Diane Playford
PURPOSE: To detect any improvement of awareness in prolonged disorders of consciousness in the long term. METHODS: A total of 34 patients with prolonged disorders of consciousness (27 vegetative state and seven minimally conscious state; 16 males; aged 21-73) were included in the study. All patients were initially diagnosed with vegetative/minimally conscious state on admission to our specialist neurological rehabilitation unit. Re-assessment was performed 2-16 years later using Coma Recovery Scale-Revised...
June 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28630376/functional-connectivity-disturbances-of-the-ascending-reticular-activating-system-in-temporal-lobe-epilepsy
#2
Dario J Englot, Pierre-Francois D'Haese, Peter E Konrad, Monica L Jacobs, John C Gore, Bassel W Abou-Khalil, Victoria L Morgan
OBJECTIVE: Seizures in temporal lobe epilepsy (TLE) disturb brain networks and lead to connectivity disturbances. We previously hypothesised that recurrent seizures in TLE may lead to abnormal connections involving subcortical activating structures including the ascending reticular activating system (ARAS), contributing to neocortical dysfunction and neurocognitive impairments. However, no studies of ARAS connectivity have been previously reported in patients with epilepsy. METHODS: We used resting-state functional MRI recordings in 27 patients with TLE (67% right sided) and 27 matched controls to examine functional connectivity (partial correlation) between eight brainstem ARAS structures and 105 cortical/subcortical regions...
June 19, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28630253/cold-induced-thermogenesis-and-inflammation-associated-cold-seeking-behavior-are-represented-by-different-dorsomedial-hypothalamic-sites-a-three-dimensional-functional-topography-study-in-conscious-rats
#3
Samuel P Wanner, M Camila Almeida, Yury P Shimansky, Daniela L Oliveira, Justin R Eales, Cândido C Coimbra, Andrej A Romanovsky
In the past, we showed that large electrolytic lesions of the dorsomedial hypothalamus (DMH) promoted hypothermia in cold-exposed restrained rats, but attenuated hypothermia in rats challenged with a high dose of bacterial lipopolysaccharide (LPS) in a thermogradient apparatus. The goal of this study was to identify the thermoeffector mechanisms and DMH representation of the two phenomena and, hence, understand how the same lesion could produce two opposite effects on body temperature. We found that the permissive effect of large electrolytic DMH lesions on cold-induced hypothermia was due to suppressed thermogenesis...
June 19, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28625002/changes-in-dietary-intake-and-eating-behavior-in-adolescents-after-bariatric-surgery-an-ancillary-study-to-the-teen-labs-consortium
#4
David B Sarwer, Rebecca J Dilks, Jacqueline C Spitzer, Robert I Berkowitz, Thomas A Wadden, Renee H Moore, Jesse L Chittams, Mary L Brandt, Mike K Chen, Anita P Courcoulas, Carroll M Harmon, Michael A Helmrath, Marc P Michalsky, Stavra A Xanthakos, Meg H Zeller, Todd M Jenkins, Thomas H Inge
BACKGROUND: A growing number of studies suggest that bariatric surgery is safe and effective for adolescents with severe obesity. However, surprisingly little is known about changes in dietary intake and eating behavior of adolescents who undergo bariatric surgery. OBJECTIVE: Investigate changes in dietary intake and eating behavior of adolescents with obesity who underwent bariatric surgery (n = 119) or lifestyle modification (LM) (n = 169). SETTING: University-based health systems METHODS: A prospective investigation of 288 participants (219 female and 69 male) prior to bariatric surgery or LM and again 6, 12, and 24 months (surgery patients only) after treatment...
June 17, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28619656/the-large-scale-functional-connectivity-correlates-of-consciousness-and-arousal-during-the-healthy-and-pathological-human-sleep-cycle
#5
REVIEW
Enzo Tagliazucchi, Eus J W van Someren
Advances in neuroimaging have greatly improved our understanding of human sleep from a systems neuroscience perspective. However, cognition and awareness are reduced during sleep, hindering the applicability of standard task-based paradigms. Methods recently developed to study spontaneous brain activity fluctuations have proven useful to overcome this limitation. In this review, we focus on the concept of functional connectivity (FC, i.e. statistical covariance between brain activity signals) and its application to functional magnetic resonance imaging (fMRI) data acquired during sleep...
June 12, 2017: NeuroImage
https://www.readbyqxmd.com/read/28615894/unknown-patients-and-neurology-casualty-services-in-an-indian-metropolitan-city-a-decades-experience
#6
Achary Umesh, Guru S Gowda, Channaveerachari Naveen Kumar, Dwarakanath Srinivas, Bharath Rose Dawn, Ragasudha Botta, Ravi Yadav, Suresh Bada Math
OBJECTIVES: A large number of unknown patients without any personal, family, or other identification details represent a unique problem in the neurological emergency services of developing countries like India in a context of legal, humanitarian, and treatment issues. These patients pose a diagnostic and management challenge to treating physicians and staff. There are sparse data on these patients. The objective of this study was to know the clinical, socio-demographic, and investigational profile of "unknown" patients...
April 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/28615674/meta-analysis-of-genome-wide-snp-and-pathway-based-associations-for-facets-of-neuroticism
#7
Song E Kim, Han-Na Kim, Yeo-Jun Yun, Seong Gu Heo, Juhee Cho, Min-Jung Kwon, Yoosoo Chang, Seungho Ryu, Hocheol Shin, Chol Shin, Nam H Cho, Yeon Ah Sung, Hyung-Lae Kim
Neuroticism is a heritable personality trait that is comprised of distinct sub-factors, or facets. Sub-factors of neuroticism are linked to different emotional states or psychiatric symptoms and studying the genetic variants associated with these facets may help reveal the biological mechanisms underlying psychiatric disorders. In the present study, a meta-analysis of genome-wide association studies for six facets of neuroticism was performed in 5584 participants from three cohorts. Additionally, a Gene Set Enrichment Analysis was conducted to find biological pathways associated with each facet...
June 15, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28615277/alterations-in-the-brain-s-connectome-during-recovery-from-severe-traumatic-brain-injury-protocol-for-a-longitudinal-prospective-study
#8
Virginia Conde, Sara Hesby Andreasen, Tue Hvass Petersen, Karen Busted Larsen, Karine Madsen, Kasper Winther Andersen, Irina Akopian, Kristoffer Hougaard Madsen, Christian Pilebæk Hansen, Ingrid Poulsen, Lars Peter Kammersgaard, Hartwig Roman Siebner
INTRODUCTION: Traumatic brain injury (TBI) is considered one of the most pervasive causes of disability in people under the age of 45. TBI often results in disorders of consciousness, and clinical assessment of the state of consciousness in these patients is challenging due to the lack of behavioural responsiveness. Functional neuroimaging offers a means to assess these patients without the need for behavioural signs, indicating that brain connectivity plays a major role in consciousness emergence and maintenance...
June 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/28615196/withdrawing-clinically-assisted-nutrition-and-hydration-canh-in-patients-with-prolonged-disorders-of-consciousness-is-there-still-a-role-for-the-courts
#9
Veronica English, Julian C Sheather
Currently, in England and Wales, Court of Protection's Practice Directive 9E (PD9E) requires all cases of proposed withdrawal or withholding of life-sustaining treatment in relation to adults in a permanent vegetative state (PVS) or minimally conscious state be referred to the Court. This paper looks at the origins of PD9E and contrasts the routine requirement to refer cases to court with the complex clinical terrain that comprises those suffering from prolonged disorders of consciousness. We look at the role of the court in decision making in these contexts and we ask what role the courts are called on to play in these decisions...
June 14, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/28610950/coherence-in-p300-as-a-predictor-for-the-recovery-from-disorders-of-consciousness
#10
Ye Zhang, Ran Li, Jubao Du, Su Huo, Jianhui Hao, Weiqun Song
Accurate and reliable prognostic judgments for disorders of consciousness (DOCs) can provide useful information for clinicians in the establishment of appropriate care plan, and may affect end-of-life decisions of caregivers. But until now no certain or standardized prognostic indicator has been constructed to predict the probability of awareness recovery. This study aims to assess higher-order cortical information processing in DOCs by event-related potential (ERP) and determine the value of P300 to predict the long-term prognosis...
June 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28606234/-efficacy-and-safety-of-cyclophosphamide-as-a-sequential-immunotherapy-drug-for-anti-n-methyl-d-aspartate-receptor-encephalitis-in-children
#11
Wei-Wen Zhu, Wei-Ping Liao, Yong-Hong Yi, Xing-Wang Song
OBJECTIVE: To evaluate the efficacy and safety of cyclophosphamide as a second-line drug in the treatment of children with anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis. METHODS: Six children with anti-NMDAR encephalitis, who showed poor response to steroids and intravenous immunoglobulin, were given cyclophosphamide as a second-line immunotherapy. Follow-up was performed to evaluate the efficacy and safety of cyclophosphamide. RESULTS: After first-line immunotherapy for 1-4 weeks, the six patients had reduced psychiatric symptoms, seizures, and involuntary movements; three patients had an improved level of consciousness and were able to make simple conversations...
June 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28605973/a-comparative-study-on-assessment-procedures-and-metric-properties-of-two-scoring-systems-of-the-coma-recovery-scale-revised-items-standard-and-modified-scores
#12
Davide Sattin, Piergiorgio Lovaglio, Greta Brenna, Venusia Covelli, Davide Rossi Sebastiano, Dunja Duran, Ludovico Minati, Ambra Mara Giovannetti, Cristina Rosazza, Anna Bersano, Anna Nigri, Stefania Ferraro, Matilde Leonardi
OBJECTIVE: The study compared the metric characteristics (discriminant capacity and factorial structure) of two different methods for scoring the items of the Coma Recovery Scale-Revised and it analysed scale scores collected using the standard assessment procedure and a new proposed method. DESIGN: Cross sectional design/methodological study. SETTING: Inpatient, neurological unit. PARTICIPANTS: A total of 153 patients with disorders of consciousness were consecutively enrolled between 2011 and 2013...
March 1, 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28597413/late-onset-ornithine-transcarbamylase-deficiency-associated-with-hyperammonemia
#13
Kana Daijo, Tomokazu Kawaoka, Takashi Nakahara, Yuko Nagaoki, Masataka Tsuge, Akira Hiramatsu, Michio Imamura, Yoshiiku Kawakami, Hiroshi Aikata, Keiichi Hara, Go Tajima, Masao Kobayashi, Kazuaki Chayama
The urea cycle converts ammonia and produces urea. One form of urea cycle abnormality is ornithine transcarbamylase (OTC) deficiency. This hereditary disorder is associated with hyperammonemia. OTC deficiency commonly appears during neonatal and early childhood life and is rare in adults. We report a 69-year-old man who presented at the local hospital with 3-day loss of appetite, early morning vomiting, and state of confusion. Blood ammonia was 293 μg/dl. At 2-3 h after admission, the patient went into a deep coma...
June 9, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28594194/conducting-preference-assessments-for-youth-with-disorders-of-consciousness-during-rehabilitation
#14
Adrianna Amari, Stacy J Suskauer, Valerie Paasch, Lauren K Grodin, Beth S Slomine
PURPOSE: Care and rehabilitation for individuals with disorders of consciousness (DOC) can be challenging; the use of observational data collection, individualized treatment programs, and incorporation of preferred, personally meaningful and salient items may be helpful in addressing such challenges during assessment and intervention. In this article, we extend the predominantly adult literature on use of salient items to promote differential responding by describing our methodology to identify preferred items across sensory domains for application during inpatient rehabilitation with children with DOC...
June 8, 2017: Rehabilitation Psychology
https://www.readbyqxmd.com/read/28592738/a-case-of-hereditary-hemorrhagic-telangiectasia-with-hepatic-encephalopathy-due-to-portal-hepatic-venous-shunt
#15
Kazumasa Ono, Toshimasa Obara, Miki Takeshita, Shinichiro Inoue, Shinjirou Mizukawa, Hiroshi Hasegawa, Koichi Kozaki
An 86-year-old male who was able to perform all activities of daily living (ADL) was diagnosed with hereditary hemorrhagic telangiectasia (HHT) at 70 years of age. Following his diagnosis, he had been receiving treatment at our hospital. After the sudden onset of a consciousness disorder, he was admitted to our hospital's emergency department with asterixis, a high serum ammonia level, and hepatic encephalopathy. After angiography, he was diagnosed with hepatic encephalopathy due to portal hepatic venous shunts...
2017: Nihon Ronen Igakkai Zasshi. Japanese Journal of Geriatrics
https://www.readbyqxmd.com/read/28589450/central-nervous-system-involvement-in-adults-with-haemophagocytic-lymphohistiocytosis-a-single-center-study
#16
Guilan Cai, Yini Wang, Xiaojing Liu, Yanfei Han, Zhao Wang
Hemophagocytic lymphohistiocytosis (HLH) is a rare multisystem disorder characterized by proliferation and diffuse infiltration multiple organs with histiocytes, including the central nervous system (CNS). Neurological manifestations of HLH have been recognized in different studies with children, but they remain relatively ill-defined in adults with HLH. From March 2008 to October 2014, 289 adult patients with HLH were admitted to our center. Clinical, radiological, and cerebral spinal fluid (CSF) data of the patients with CNS involvement were reviewed, and a retrospective study in our single-center was carried out...
June 7, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28588465/electrophysiological-correlates-of-subliminal-perception-of-facial-expressions-in-individuals-with-autistic-traits-a-backward-masking-study
#17
Svjetlana Vukusic, Joseph Ciorciari, David P Crewther
People with Autism spectrum disorder (ASD) show difficulty in social communication, especially in the rapid assessment of emotion in faces. This study examined the processing of emotional faces in typically developing adults with high and low levels of autistic traits (measured using the Autism Spectrum Quotient-AQ). Event-related potentials (ERPs) were recorded during viewing of backward-masked neutral, fearful and happy faces presented under two conditions: subliminal (16 ms, below the level of visual conscious awareness) and supraliminal (166 ms, above the time required for visual conscious awareness)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28577416/the-impact-of-attentional-and-emotional-demands-on-memory-performance-in-obsessive-compulsive-disorder
#18
Jakob Fink, Friederike Hendrikx, Christian Stierle, Katarina Stengler, Ina Jahn, Cornelia Exner
Lower performance on memory tests in obsessive-compulsive disorder (OCD) has been repeatedly observed. However, the origins of these performance deficits are not sufficiently explained. In this study we tested if OCD-related extensive focus of attention on thoughts (heightened self-consciousness) could be an explanatory mechanism for lower memory performance. Heightened situational self-consciousness was manipulated by instructing participants to either monitor neutral thoughts or to monitor OCD-related thoughts...
May 25, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28573825/clinimetric-properties-of-the-nociception-coma-scale-revised-a-systematic-review
#19
REVIEW
P Vink, C Lucas, J M Maaskant, W S van Erp, R Lindeboom, H Vermeulen
The Nociception Coma Scale is a nociception behaviour observation tool, developed specifically for patients with disorders of consciousness (DOC) due to (acquired) brain injury. Over the years, the clinimetric properties of the NCS and its revised version (NCS-R) have been assessed, but no formal summary of these properties has been made. Therefore, we performed a systematic review on the clinimetric properties (i.e. reliability, validity, responsiveness and interpretability) of the NCS(-R). We systematically searched CENTRAL, CINAHL, Embase, PsycInfo and Web of Science until August 2015...
June 2, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28572032/suppressed-neural-complexity-during-ketamine-and-propofol-induced-unconsciousness
#20
Jisung Wang, Gyu-Jeong Noh, Byung-Moon Choi, Seung-Woo Ku, Pangyu Joo, Woo-Sung Jung, Seunghwan Kim, Heonsoo Lee
Ketamine and propofol have distinctively different molecular mechanisms of action and neurophysiological features, although both induce loss of consciousness. Therefore, identifying a common feature of ketamine- and propofol-induced unconsciousness would provide insight into the underlying mechanism of losing consciousness. In this study we search for a common feature by applying the concept of type-II complexity, and argue that neural complexity is essential for a brain to maintain consciousness. To test this hypothesis, we show that complexity is suppressed during loss of consciousness induced by ketamine or propofol...
May 29, 2017: Neuroscience Letters
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