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Autonomic nervous system

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https://www.readbyqxmd.com/read/28220146/horseback-riding-improves-the-ability-to-cause-the-appropriate-action-go-reaction-and-the-appropriate-self-control-no-go-reaction-in-children
#1
Nobuyo Ohtani, Kenji Kitagawa, Kinuyo Mikami, Kasumi Kitawaki, Junko Akiyama, Maho Fuchikami, Hidehiko Uchiyama, Mitsuaki Ohta
BACKGROUND: There are many obvious health benefits to riding, including developing a strong core and legs, but there are also many less obvious benefits, such as increased confidence and introspection. Few studies have addressed the effects of horseback riding on children and the mechanisms underlying how riding affects humans. We examined the effects of horseback riding on the ability to distinguish Go/No-go tasks and solve arithmetic problems in children. METHODS: The subjects were 34 boys and 72 girls, aged 10-12 years old, which were divided into three groups (horse riding, walking, and resting)...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28216073/autoimmune-neuropathies-associated-to-rheumatic-diseases
#2
REVIEW
Alberto R M Martinez, Ingrid Faber, Anamarli Nucci, Simone Appenzeller, Marcondes C França
Systemic manifestations are frequent in autoimmune rheumatic diseases and include peripheral nervous system damage. Neuron cell body, axons and myelin sheath may all affected in this context. This involvement results in severe and sometimes disabling symptoms. Sensory, motor and autonomic features may be present in different patterns that emerge as peculiar clinical pictures. Prompt recognition of these neuropathies is pivotal to guide treatment and reduce the risks of long term disability. In this review, we aim to describe the main immune-mediated neuropathies associated to rheumatic diseases: sensory neuronopathies, multiple mononeuropathies and chronic inflammatory demyelinating polyradiculoneuropathy, with an emphasis on clinical features and therapeutic options...
February 12, 2017: Autoimmunity Reviews
https://www.readbyqxmd.com/read/28215570/the-cardiac-electrophysiology-of-patients-with-spinal-cord-injury
#3
Michael Manogue, David S Hirsh, Michael Lloyd
Spinal cord injury (SCI) is a clinical syndrome encountered frequently in trauma centers and is accompanied by both acute and chronic heart rhythm abnormalities. The injury is characterized by sympathetic nervous system (SNS) impairment with preservation of parasympathetic output via the vagus nerve. Severe bradycardia in the form of life-threatening sinus arrest or complete heart block may be observed in the acute recovery phase. Therapy for arrhythmias in the acute phase includes atropine, intravenous chronotropes, methylxanthines for prevention of episodic bradycardia, and pacemaker implantation in severe cases...
February 12, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28215154/stress-and-salivary-glands
#4
Beáta Kerémi, Anita Beck, Tibor Károly Fábián, Gábor Fábián, Géza Szabó, Ákos Nagy, Gábor Varga
Salivary glands produce a bicarbonate-rich fluid containing digestive and protective proteins and other components to be delivered into the gastrointestinal tract. Its function is under strict control of the autonomic nervous system. Salivary electrolyte and fluid secretion is primarily controlled by parasympathetic activity, while protein secretion is primaily triggered by sympathetic stimulation. Stress activates the hypothalamic - pituitary - adrenal axis. The peripheral limb of this axis is the efferent sympathetic/adrenomedullary system...
February 15, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28213385/effectiveness-of-acarbose-in-treating-elderly-patients-with-diabetes-with-postprandial-hypotension
#5
Jie Zhang, Lixin Guo
: : Postprandial hypotension (PPH) is a common condition that occurs primarily in elderly patients with type 2 diabetes mellitus (T2DM). This study aimed to assess the effectiveness of acarbose for PPH; it also investigated possible mechanisms behind PPH development. This single-blind, randomized controlled trial included 91 elderly patients with T2DM, aged between 60 and 80 years, who were inpatients at Beijing Hospital between March 2012 and November 2014. The patients were included into one of three groups: Group A, patients with T2DM without PPH; Group B, patients with T2DM with PPH receiving placebo; and Group C, patients with T2DM with PPH receiving acarbose...
February 17, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28213205/sensory-trigeminal-ulf-tens-stimulation-reduces-hrv-response-to-experimentally-induced-arithmetic-stress-a-randomized-clinical-trial
#6
Monaco Annalisa, Cattaneo Ruggero, Ortu Eleonora, Constantinescu Marian Vladimir, Pietropaoli Davide
Ultra Low Frequency Transcutaneous Electric Nervous Stimulation (ULF-TENS) is extensively used for pain relief and for the diagnosis and treatment of temporomandibular disorders (TMD). In addition to its local effects, ULF-TENS acts on the autonomic nervous system (ANS), with particular reference to the periaqueductal gray (PAG), promoting the release of endogenous opioids and modulating descending pain systems. It has been suggested that the PAG participates in the coupling between the emotional stimulus and the appropriate behavioral autonomic response...
February 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28213189/is-heart-rate-variability-hrv-an-adequate-tool-for-evaluating-human-emotions-a-focus-on-the-use-of-the-international-affective-picture-system-iaps
#7
Kwang-Ho Choi, Junbeom Kim, O Sang Kwon, Min Ji Kim, Yeon Hee Ryu, Ji-Eun Park
Because human emotion varies greatly among individuals and is a qualitative factor, measuring it with any degree of accuracy is very difficult. Heart rate variability (HRV), which is used in evaluations of the autonomic nervous system (ANS), is used to evaluate human emotions. This study examines the validity of HRV as a tool to evaluate emotions using the International Affective Picture System (IAPS). For experimentation, five photos were selected for each of the categories of "happy," "unhappy", and "neutral" from among the images provided by the IAPS...
February 11, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28212424/risk-factors-for-central-nervous-system-tumors-in-children-new-findings-from-a-case-control-study
#8
Rebeca Ramis, Ibon Tamayo-Uria, Diana Gómez-Barroso, Gonzalo López-Abente, Antonio Morales-Piga, Elena Pardo Romaguera, Nuria Aragonés, Javier García-Pérez
BACKGROUND: Central nervous system tumors (CNS) are the most frequent solid tumor in children. Causes of CNS tumors are mainly unknown and only 5% of the cases can be explained by genetic predisposition. We studied the effects of environmental exposure on the incidence of CNS tumors in children by subtype, according to exposure to industrial and/or urban environment, exposure to crops and according to socio-economic status of the child. METHODS: We carried out a population-based case-control study of CNS tumors in Spain, covering 714 incident cases collected from the Spanish Registry of Childhood Tumors (period 1996-2011) and 4284 controls, individually matched by year of birth, sex, and autonomous region of residence...
2017: PloS One
https://www.readbyqxmd.com/read/28211138/nocturnal-autonomic-nervous-system-activity-and-morning-proinflammatory-cytokines-in-young-adult-african-americans
#9
Kimberly A Bell, Ihori Kobayashi, Yuanxiu Chen, Thomas A Mellman
Compromised sleep and increased sympathetic nervous system (SNS) activity are implicated in the pathogenesis of, and disparities in, cardiovascular disease. Parasympathetic dominance during sleep may be important for cardiovascular health. Sleep and autonomic balance influence immune activity, which impacts atherogenesis. We evaluated relationships between autonomic balance during sleep and morning levels of the immune activating cytokines, C-reactive protein (CRP) and interleukin (IL)-6. Ninety-four (59 female) young adult African Americans without medical conditions and substance use disorders spent 2 consecutive nights in a clinical research unit for sleep recordings and blood drawing on awakening...
February 17, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28210990/indices-from-lagged-poincare-plots-of-heart-rate-variability-an-efficient-nonlinear-tool-for-emotion-discrimination
#10
Ateke Goshvarpour, Ataollah Abbasi, Atefeh Goshvarpour
Interest in human emotion recognition, regarding physiological signals, has recently risen. In this study, an efficient emotion recognition system, based on geometrical analysis of autonomic nervous system signals, is presented. The electrocardiogram recordings of 47 college students were obtained during rest condition and affective visual stimuli. Pictures with four emotional contents, including happiness, peacefulness, sadness, and fear were selected. Then, ten lags of Poincare plot were constructed for heart rate variability (HRV) segments...
February 16, 2017: Australasian Physical & Engineering Sciences in Medicine
https://www.readbyqxmd.com/read/28209101/role-of-heart-rate-variability-in-predicting-post-endoscopic-retrograde-cholangiopancreatography-pancreatitis
#11
Y Tryliskyy, G J Bryce
INTRODUCTION: Early recognition of post-ERCP pancreatitis (PEP) would help deliver an appropriate discharge plan following ERCP. Functioning of the autonomic nervous system can be measured using non-invasive heart rate variability techniques (HRV) and provides quantitative information about the modulation of cardiac vagal and sympathetic activity. Pain evoked sympathetic activation is a well-known phenomenon, as exhibited in those suffering PEP. The aim of this study is to determine if a single post-procedural measurement of HRV identifies those at risk of developing PEP...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28208852/alteration-of-heart-rate-variability-in-patients-of-depression
#12
Deepti Jangpangi, Sunita Mondal, Rajiv Bandhu, Dinesh Kataria, Asha Gandhi
INTRODUCTION: Altered cardiac autonomic functions in form of reduced Heart Rate Variability (HRV) have been found to be associated with increased cardiovascular morbidity and mortality in depressive patients. AIM: To investigate the relationship between HRV measures, which is a non-invasive marker of autonomic nervous system and depression. MATERIALS AND METHODS: The study included a convenient sample size of drug naive depressive patients (n=30) diagnosed on basis of ICD-10 and compared with age and gender matched healthy volunteers (n=30)...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28202632/selective-modulation-of-the-cardiac-autonomic-nervous-system-a-new-strategy-for-treatment-of-cardiohibitory-syncope
#13
EDITORIAL
Siva K Mulpuru, Win-Kuang Shen
No abstract text is available yet for this article.
February 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28197102/right-cervical-vagotomy-aggravates-viral-myocarditis-in-mice-via-the-cholinergic-anti-inflammatory-pathway
#14
Ge Li-Sha, Chen Xing-Xing, Wu Lian-Pin, Zhou De-Pu, Li Xiao-Wei, Lin Jia-Feng, Li Yue-Chun
The autonomic nervous system dysfunction with increased sympathetic activity and withdrawal of vagal activity may play an important role in the pathogenesis of viral myocarditis. The vagus nerve can modulate the immune response and control inflammation through a 'cholinergic anti-inflammatory pathway' dependent on the α7-nicotinic acetylcholine receptor (α7nAChR). Although the role of β-adrenergic stimulation on viral myocarditis has been investigated in our pervious studies, the direct effect of vagal tone in this setting has not been yet studied...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28193783/remote-ischemic-preconditioning-triggers-changes-in-autonomic-nervous-system-activity-implications-for-cardioprotection
#15
Safa Abdul-Ghani, Arnold N Fleishman, Igor Khaliulin, Marco Meloni, Gianni D Angelini, M-Saadeh Suleiman
Cardioprotective efficacy of remote ischemic preconditioning (RIPC) remains controversial. Experimental studies investigating RIPC have largely monitored cardiovascular changes during index ischemia and reperfusion with little work investigating changes during RIPC application. This work aims to identify cardiovascular changes associated with autonomic nervous system (ANS) activity during RIPC and prior to index ischemia. RIPC was induced in anesthetized male C57/Bl6 mice by four cycles of 5 min of hindlimb ischemia using inflated cuff (200 mmHg) followed by 5 min reperfusion...
February 2017: Physiological Reports
https://www.readbyqxmd.com/read/28191323/autonomic-imbalance-captures-maternal-and-fetal-circulatory-response-to-pre-eclampsia
#16
Igor Lakhno
BACKGROUND: Pre-eclampsia (PE) is a gestational disease featured by hypertension, arterial systemic vasculopathy, multiple organ failure and fetal compromise. The aim of the investigation was to determine the role of maternal respiratory sinus arrhythmia (RSA) in regulation of the fetal circulatory system in case of healthy pregnancy and in PE. METHODS: The investigation of maternal and fetal HRV and fetal CTG variables in 106 patients at 34-40 weeks of gestation was performed...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28190618/excessive-daytime-sleepiness-does-not-correlate-with-sympathetic-nervous-system-activation-and-arterial-stiffening-in-patients-with-mild-to-moderate-obstructive-sleep-apnoea-a-proof-of-principle-study
#17
Valeria Bisogni, Martino F Pengo, Panagis Drakatos, Giuseppe Maiolino, Brian Kent, Giacomo Rossitto, Joerg Steier, Gian Paolo Rossi
BACKGROUND: Increased arterial stiffness and sympathetic nervous system activity, independent markers of cardiovascular risk, are common in patients with severe obstructive sleep apnoea, who have excessive daytime sleepiness. Among patients with mild-to-moderate obstructive sleep apnoea, however, it remains unknown whether arterial stiffness and/or increased sympathetic nervous system activity correlate with excessive daytime sleepiness. METHODS: We measured heart rate variability, as an index of autonomic nervous system activity, and arterial stiffness index, as a marker of vascular damage and cardiovascular risk, in 56 men aged 18 to 75years, with mild-to-moderate obstructive sleep apnoea, and matched into two groups, "sleepy" (Epworth Sleepiness Scale≥10) and "non-sleepy" (Epworth Sleepiness Scale<10)...
February 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28188684/atypical-pupillary-light-reflex-in-2-6-year-old-children-with-autism-spectrum-disorders
#18
Dinalankara M R Dinalankara, Judith H Miles, T Nicole Takahashi, Gang Yao
The purpose of this study was to investigate pupillary light reflex (PLR) in 2-6-years-old children with autism spectrum disorders (ASD). A total of 117 medication-free 2-6-year-old boys participated in this study. Sixty participants were diagnosed with ASD (the "ASD group") and the other 57 were in the control group of typical development (the "TD group"). A questionnaire was completed by the parent/guardian for assessing potential dysfunctions in the autonomic nervous system (ANS). The base pupil radius, PLR latency, and constriction time showed a significant age-related trend in both the ASD and TD groups...
February 11, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28187954/heart-rate-variability-in-insomnia-patients-a-critical-review-of-the-literature
#19
REVIEW
Kirsty L Dodds, Christopher B Miller, Simon D Kyle, Nathaniel S Marshall, Christopher J Gordon
Heart rate variability (HRV) is an objective marker that provides insight into autonomic nervous system dynamics. There is conflicting evidence regarding the presence of HRV impairment in insomnia patients. Web-based databases were used to systematically search the literature for all studies that compared the HRV of insomnia patients to controls or reported the HRV of insomnia patients before and after an intervention. 22 relevant papers were identified. Study characteristics were summarised, HRV measures were extracted and a risk of bias assessment for each study was performed...
June 28, 2016: Sleep Medicine Reviews
https://www.readbyqxmd.com/read/28187814/neurocardiology
#20
N D Osteraas, V H Lee
Neurocardiology refers to the interplay between the nervous system and the cardiovascular system. Stress-related cardiomyopathy exemplifies the brain-heart connection and occurs in several conditions with acute brain injury that share oversympathetic activation. The brain's influences on the heart can include elevated cardiac markers, arrhythmias, repolarization abnormalities on electrocardiogram, myocardial necrosis, and autonomic dysfunction. The neurogenic stunned myocardium in aneurysmal subarachnoid hemorrhage represents one end of the spectrum, and is associated with an explosive rise in intracranial pressure that results in excess catecholamine state and possibly CBN...
2017: Handbook of Clinical Neurology
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