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https://www.readbyqxmd.com/read/29168167/interdependent-feedback-regulation-of-breathing-by-the-carotid-bodies-and-the-retrotrapezoid-nucleus
#1
Patrice G Guyenet, Douglas A Bayliss, Ruth L Stornetta, Roy Kanbar, Yingtang Shi, Benjamin B Holloway, George M P R Souza, Tyler M Basting, Stephen B G Abbott, Ian C Wenker
The retrotrapezoid nucleus, RTN, regulates breathing in a CO2 and state-dependent manner. RTN neurons are glutamatergic and innervate principally the respiratory pattern generator; they regulate multiple aspects of breathing, including active expiration, and maintain breathing automaticity during non-REM sleep. RTN neurons encode arterial PCO2 /pH via cell-autonomous and paracrine mechanisms, and via input from other CO2 -responsive neurons. In short, RTN neurons are a pivotal structure for breathing automaticity and arterial PCO2 homeostasis...
November 22, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29164571/assessment-of-mismatch-negativity-and-p300-response-in-patients-with-disorders-of-consciousness
#2
X-Y Wang, H-Y Wu, H-T Lu, T-T Huang, H Zhang, T Zhang
OBJECTIVE: To evaluate changes in mismatch negativity (MMN) and P300 response in vegetative state (VS) and minimally conscious state (MCS) patients before and after treatment, and their value for prediction of prognosis. PATIENTS AND METHODS: Event-related potentials (ERPs), performed on 11 patients classified as VS (n = 6) or MCS (n = 5), and five healthy participants (i.e., control group). We performed a six months telephone follow-up to monitor changes in consciousness recovery...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29163104/transcranial-random-noise-stimulation-does-not-improve-behavioral-and-neurophysiological-measures-in-patients-with-subacute-vegetative-unresponsive-wakefulness-state-vs-uws
#3
Mauro Mancuso, Laura Abbruzzese, Stefania Canova, Giulia Landi, Simone Rossi, Emiliano Santarnecchi
Background: The absence of efficient treatments capable to promote central nervous system recovery in patients in vegetative state (VS) due to a severe acquired brain injury highlights the need of exploring alternative neuromodulatory treatments that can lead to neurobehavioral gains. Some encouraging preliminary observations suggest that transcranial direct current stimulation could be effective in disorders of consciousness (DoC) patients, especially when applied on the dorsolateral prefrontal cortex (DLPFC) in patients with minimally conscious state (MCS) but not in those with VS...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/29160761/fronto-parietal-coherence-response-to-tdcs-modulation-in-patients-with-disorders-of-consciousness
#4
Yang Bai, Xiaoyu Xia, Yong Wang, Yongkun Guo, Yi Yang, Jianghong He, Xiaoli Li
A transcranial direct current stimulation (tDCS) protocol (2 min, 2 mA, anodal electrode at the left dorsolateral prefrontal cortex and cathodal electrode at the right supraorbital area) was applied in patients with different degrees of disorders of consciousness (DoC). Although previous research indicates that it could improve patients' coma recovery scale-revised (CRS-R) scores, the brain's electrophysiological responses to tDCS are still unclear. Therefore, the present study was performed to explore the underlying brain responses of patients in a minimally conscious state (MCS) and a Unresponsive Wakefulness Syndrome (UWS) to tDCS modulation...
November 21, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29156989/survival-and-consciousness-recovery-are-better-in-the-minimally-conscious-state-than-in-the-vegetative-state
#5
Frédéric Faugeras, Benjamin Rohaut, Mélanie Valente, Jacobo Sitt, Sophie Demeret, Francis Bolgert, Nicolas Weiss, Alexandra Grinea, Clémence Marois, Marion Quirins, Athena Demertzi, Federico Raimondo, Damien Galanaud, Marie-Odile Habert, Denis Engemann, Louis Puybasset, Lionel Naccache
BACKGROUND: The prognosis value of early clinical diagnosis of consciousness impairment is documented by an extremely limited number of studies, whereas it may convey important information to guide medical decisions. OBJECTIVE: We aimed at determining if patients diagnosed at an early stage (<90 days after brain injury) as being in the minimally conscious state (MCS) have a better prognosis than patients in the vegetative state/Unresponsive Wakefulness syndrome (VS/UWS), independent of care limitations or withdrawal decisions...
November 20, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/29140436/-%C3%A2-what-god-and-the-angels-know-of-us-character-autonomy-and-best-interests-in-minimally-conscious-state
#6
Giles Birchley
Determining the best interests of incapacitated patients has been observed to be an opaque area of the law, and this is no less so in decisions about the (non-)treatment of patients in the minimally conscious state. A systematic examination of the way best interests are used in judgments relating to this population suggests that narratives involving the character of the patient frequently form an important plank of judicial reasoning. Since insights into the concept of best interests may be gained by an engagement with the philosophy of well-being, I identify the court's character-based approach with perfectionist theories of well-being...
November 13, 2017: Medical Law Review
https://www.readbyqxmd.com/read/29136012/regional-knockdown-of-ndufs4-implicates-a-thalamocortical-circuit-mediating-anesthetic-sensitivity
#7
Renjini Ramadasan-Nair, Jessica Hui, Pavel I Zimin, Leslie S Itsara, Philip G Morgan, Margaret M Sedensky
Knockout of the mitochondrial complex I protein, NDUFS4, profoundly increases sensitivity of mice to volatile anesthetics. In mice carrying an Ndufs4lox/lox gene, adeno-associated virus expressing Cre recombinase was injected into regions of the brain postulated to affect sensitivity to volatile anesthetics. These injections generated otherwise phenotypically wild type mice with region-specific, postnatal inactivation of Ndufs4, minimizing developmental effects of gene loss. Sensitivities to the volatile anesthetics isoflurane and halothane were measured using loss of righting reflex (LORR) and movement in response to tail clamp (TC) as endpoints...
2017: PloS One
https://www.readbyqxmd.com/read/29123907/endoscopic-hematoma-evacuation-for-acute-subdural-hematoma-in-a-young-patient-a-case-report
#8
Atsushi Kuge, Daisuke Tsuchiya, Shigeki Watanabe, Mitsuya Sato, Toshihiko Kinjo
Case: The standard treatment for acute subdural hematoma (ASDH) is large craniotomy; decompressive craniectomy may also be carried out, if needed, to prevent secondary brain damage. Recently, an endoscopic procedure for elderly patients with ASDH was carried out and reported; its safety and effectiveness were emphasized because of minimal invasiveness. We report a young case and discuss its difficulties and tips.A 31-year-old man was found to be in a state of general convulsion. At the time of admission, we observed severe consciousness disturbance, anisocoria, and left hemiparesis...
October 2017: Acute Medicine & Surgery
https://www.readbyqxmd.com/read/29117722/endoscopic-ultrasound-guided-pancreatic-fluid-collections-transmural-drainage-outcomes-in-100-consecutive-cases-of-pseudocysts-and-walled-off-necrosis-a-single-centre-experience-from-the-united-kingdom
#9
Chander Shekhar, Ben Maher, Colm Forde, Brinder Singh Mahon
BACKGROUND AND AIM: Endoscopic ultrasound-guided drainage is a minimally invasive first-line modality for the drainage of pancreatic fluid collection (PFC) resulting in a shorter hospital stay and less morbidity compared with surgical cystogastrostomy. Our aim is to evaluate potential differences in the outcomes of endoscopic ultrasound (EUS) guided transmural drainage (EUS-TD) drainage of pancreatic pseudocyst (PP) and walled-off necrosis (WON). METHOD: We retrospectively reviewed 100 consecutive EUS-guided drainages of PFC utilising EUS reports; clinical notes and imaging with follow-up (FU) to 12 months...
November 9, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29113962/woman-in-minimally-conscious-state-should-be-allowed-to-die-says-judge-after-hearing-evidence-from-family
#10
Clare Dyer
No abstract text is available yet for this article.
November 7, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29095850/lesions-in-deep-gray-nuclei-after-severe-traumatic-brain-injury-predict-neurologic-outcome
#11
Frédéric Clarençon, Éric Bardinet, Jacques Martinerie, Vincent Pelbarg, Nicolas Menjot de Champfleur, Rajiv Gupta, Eléonore Tollard, Gustavo Soto-Ares, Danielle Ibarrola, Emmanuelle Schmitt, Thomas Tourdias, Vincent Degos, Jérome Yelnik, Didier Dormont, Louis Puybasset, Damien Galanaud
PURPOSE: This study evaluates the correlation between injuries to deep gray matter nuclei, as quantitated by lesions in these nuclei on MR T2 Fast Spin Echo (T2 FSE) images, with 6-month neurological outcome after severe traumatic brain injury (TBI). MATERIALS AND METHODS: Ninety-five patients (80 males, mean age = 36.7y) with severe TBI were prospectively enrolled. All patients underwent a MR scan within the 45 days after the trauma that included a T2 FSE acquisition...
2017: PloS One
https://www.readbyqxmd.com/read/29070723/constructive-anthropomorphism-a-functional-evolutionary-approach-to-the-study-of-human-like-cognitive-mechanisms-in-animals
#12
Michal Arbilly, Arnon Lotem
Anthropomorphism, the attribution of human cognitive processes and emotional states to animals, is commonly viewed as non-scientific and potentially misleading. This is mainly because apparent similarity to humans can usually be explained by alternative, simpler mechanisms in animals, and because there is no explanatory power in analogies to human phenomena when these phenomena are not well understood. Yet, because it is also difficult to preclude real similarity and continuity in the evolution of humans' and animals' cognitive abilities, it may not be productive to completely ignore our understanding of human behaviour when thinking about animals...
October 25, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/29067985/point-prevalence-risk-factor-assessment-for-hospital-acquired-infections-in-a-tertiary-care-hospital-in-pune-india
#13
Velu Nair, A K Sahni, Dinesh Sharma, Naveen Grover, S Shankar, A Chakravarty, Seema Patrikar, Kailas Methe, S S Jaiswal, S S Dalal, Anupam Kapur, Rajesh Verma, Jyoti Prakash, Ashutosh Gupta, Anvita Bhansali, Deepak Batura, G Gopal Rao, D P Joshi, B K Chopra
BACKGROUND & OBJECTIVES: Hospital-acquired infections (HAIs) are a major challenge to patient safety and have serious public health implications by changing the quality of life of patients and sometimes causing disability or even death. The true burden of HAI remains unknown, particularly in developing countries. The objective of this study was to estimate point prevalence of HAI and study the associated risk factors in a tertiary care hospital in Pune, India. METHODS: A series of four cross-sectional point prevalence surveys were carried out between March and August 2014...
June 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29066428/willingness-to-pay-for-elderly-telecare-service-using-the-internet-and-digital-terrestrial-broadcasting
#14
Satoshi Kaga, Teppei Suzuki, Katsuhiko Ogasawara
BACKGROUND: In Japan over the past few years, more attention has been focused on unnoticed solitary death in the context of an aging society and the trend toward nuclear family. A number of institutions and companies have implemented a prevention measure with digital terrestrial broadcasting telecare services for the elderly: Hokkaido University; TV-Asahi Corporation; Hitachi, Ltd; Iwamizawa City; Hokkaido Television Broadcasting Co, Ltd; and Hamanasu Information Co, Ltd. Although this system is provided free of charge as a demonstration test, determining the appropriate price for the service is required for its sustainable operation...
October 24, 2017: Interactive Journal of Medical Research
https://www.readbyqxmd.com/read/29061382/daily-distribution-of-free-healthy-school-meals-or-food-voucher-intervention-perceptions-and-attitudes-of-parents-and-educators
#15
Archontoula Dalma, Dina Zota, Matina Kouvari, Christina-Maria Kastorini, Afroditi Veloudaki, Paloma Ellis-Montalban, Athanassios Petralias, Athena Linos
AIMS: To qualitatively evaluate the optimal intervention (food-voucher approach vs. free daily meal distribution), aimed at reducing food insecurity and promoting healthy eating among students attending public schools in socioeconomically disadvantaged areas. METHODS: We randomly assigned 34 schools to one of the two interventions: students in 17 schools received a daily lunch-box and parents in the other 17 schools received a food voucher of equal value once a month...
January 1, 2018: Appetite
https://www.readbyqxmd.com/read/29050383/early-detection-of-consciousness-in-patients-with-acute-severe-traumatic-brain-injury
#16
Brian L Edlow, Camille Chatelle, Camille A Spencer, Catherine J Chu, Yelena G Bodien, Kathryn L O'Connor, Ronald E Hirschberg, Leigh R Hochberg, Joseph T Giacino, Eric S Rosenthal, Ona Wu
See Schiff (doi:10.1093/awx209) for a scientific commentary on this article. Patients with acute severe traumatic brain injury may recover consciousness before self-expression. Without behavioural evidence of consciousness at the bedside, clinicians may render an inaccurate prognosis, increasing the likelihood of withholding life-sustaining therapies or denying rehabilitative services. Task-based functional magnetic resonance imaging and electroencephalography techniques have revealed covert consciousness in the chronic setting, but these techniques have not been tested in the intensive care unit...
September 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29042005/analysis-of-italian-regulations-on-pathways-of-care-for-patients-in-a-vegetative-or-minimally-conscious-state
#17
D Sattin, L De Torres, G Dolce, Francesco Arcuri, Anna Estraneo, V Cardinale, R Piperno, E Zavatta, Rita Formisano, Mariagrazia D'Ippolito, C Vassallo, B Dessi, G Lamberti, E Antoniono, C Lanzillotti, J Navarro, P Bramanti, Silvia Marino, M Zampolini, F Scarponi, R Avesani, L Salvi, S Ferro, L Mazza, P Fogar, S Feller, F De Nigris, A Martinuzzi, M Buffoni, A Pessina, P Corsico, M Leonardi
Different rehabilitation models for persons diagnosed with disorders of consciousness have been proposed in Europe during the last decade. In Italy, the Ministry of Health has defined a national healthcare model, although, to date, there is a lack of information on how this has been implemented at regional level. The INCARICO project collected information on different regional regulations, analysing ethical aspects and mapping care facilities (numbers of beds and medical units) in eleven regional territories...
July 2017: Functional Neurology
https://www.readbyqxmd.com/read/29042001/recovery-from-vegetative-state-of-patients-with-a-severe-brain-injury-a-4-year-real-practice-prospective-cohort-study
#18
Alessio Baricich, A de Sire, E Antoniono, F Gozzerino, G Lamberti, C Cisari, M Invernizzi
Patients who have suffered severe traumatic or nontraumatic brain injuries can show a progressive recovery, transitioning through a range of clinical conditions. They may progress from coma to a vegetative state (VS) and/or a minimally conscious state (MCS). A longer duration of the VS is known to be related to a lower probability of emergence from it; furthermore, the literature seems to lack evidence of late improvements in these patients. This real-practice prospective cohort study was conducted in inpatients in a VS following a severe brain injury, consecutively admitted to a vegetative state unit (VSU)...
July 2017: Functional Neurology
https://www.readbyqxmd.com/read/29035710/blunted-basal-corticosterone-pulsatility-predicts-post-exposure-susceptibility-to-ptsd-phenotype-in-rats
#19
Dor Danan, Michael A Matar, Zeev Kaplan, Joseph Zohar, Hagit Cohen
The basal activity of the hypothalamic-pituitary-adrenal axis is highly dynamic and is characterized by both circadian and ultradian (pulsatile) patterns of hormone secretion. Pulsatility of glucocorticoids has been determined to be critical for optimal transcriptional, neuroendocrine, and behavioral responses. We used an animal model of post-traumatic stress disorder (PTSD) to assess whether stress-induced impairment of behavioral responses is correlated with aberrant secretion of corticosterone. Serial blood samples were collected manually via the jugular vein cannula during the light-(inactive)-phase in conscious male rats at 20-min intervals for a period of 5h before and 6...
October 7, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29033868/is-schizophrenia-a-disorder-of-consciousness-experimental-and-phenomenological-support-for-anomalous-unconscious-processing
#20
Anne Giersch, Aaron L Mishara
Decades ago, several authors have proposed that disorders in automatic processing lead to intrusive symptoms or abnormal contents in the consciousness of people with schizophrenia. However, since then, studies have mainly highlighted difficulties in patients' conscious experiencing and processing but rarely explored how unconscious and conscious mechanisms may interact in producing this experience. We report three lines of research, focusing on the processing of spatial frequencies, unpleasant information, and time-event structure that suggest that impairments occur at both the unconscious and conscious level...
2017: Frontiers in Psychology
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