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"Breath Control"

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https://www.readbyqxmd.com/read/27843337/a-novel-nonpharmacological-intervention-breathing-controlled-electrical-stimulation-for-neuropathic-pain-management-after-spinal-cord-injury-a-preliminary-study
#1
Shengai Li, Matthew Davis, Joel E Frontera, Sheng Li
OBJECTIVE: The objective of this study was to examine the effectiveness of a novel nonpharmacological intervention - breathing-controlled electrical stimulation (BreEStim) - for neuropathic pain management in spinal cord injury (SCI) patients. SUBJECTS AND METHODS: There were two experiments: 1) to compare the effectiveness between BreEStim and conventional electrical stimulation (EStim) in Experiment (Exp) 1 and 2) to examine the dose-response effect of BreEStim in Exp 2...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27733617/neurophysiological-evidence-for-a-cortical-contribution-to-the-wakefulness-related-drive-to-breathe-explaining-hypocapnia-resistant-ventilation-in-humans
#2
Matthieu Dubois, Cécile Chenivesse, Mathieu Raux, Adrian Morales-Robles, Marie-Cécile Nierat, Gilles Garcia, Xavier Navarro-Sune, Mario Chavez, Jacques Martinerie, Thomas Similowski
: Spontaneous ventilation in mammals is driven by automatic brainstem networks that generate the respiratory rhythm and increase ventilation in the presence of increased carbon dioxide production. Hypocapnia decreases the drive to breathe and induces apnea. In humans, this occurs during sleep but not during wakefulness. We hypothesized that hypocapnic breathing would be associated with respiratory-related cortical activity similar to that observed during volitional breathing, inspiratory constraints, or in patients with defective automatic breathing (preinspiratory potentials)...
October 12, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27579712/mean-heart-dose-variation-over-a-course-of-breath-holding-breast-cancer-radiotherapy
#3
Nicolle Dunkerley, Frederick R Bartlett, Anna M Kirby, Philip M Evans, Ellen M Donovan
OBJECTIVES: The purpose of the work was to estimate the dose received by the heart throughout a course of breath holding breast radiotherapy. METHODS: 113 cone beam CT (CBCT) scans were acquired for 20 patients treated within the HeartSpare 1A study in which both an Active Breathing Control (ABC) device and a voluntary breath hold method (VBH) were used. Predicted mean heart doses were obtained from treatment plans. CBCT scans were imported into a treatment planning system, heart outlines defined, images registered to the CT planning scan and mean heart dose recorded...
August 31, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27556825/posture-and-body-balance-of-schoolchildren-aged-8-to-12-years-with-and-without-oral-breathing
#4
Bruna Roggia, Valdete Alves Valentins Dos Santos, Bruna Correa, Ângela Garcia Rossi
PURPOSE: This study aims to evaluate the posture and body balance of students with and without oral breathing, as well as to verify whether there is a correlation between the values obtained in this evaluation and those of the analysis of sensory systems. METHODS: The research was conducted with school children aged 8 to 12 years. The sample was subdivided into two study groups: schoolchildren with oral breathing and school children without oral breathing (control)...
July 2016: CoDAS
https://www.readbyqxmd.com/read/27477774/developmental-neuropathology-of-brainstem-respiratory-centers-in-unexplained-stillbirth-what-s-the-meaning
#5
Anna M Lavezzi, Stefano Ferrero, Luigi Matturri, Luca Roncati, Teresa Pusiol
Stillbirth is one of the most stressful life events affecting over 3 million pregnancies per year throughout the world. An accurate autopsy of the stillborn fetus, including the placenta and umbilical cord examination, should be performed promptly after delivery. A thorough maternal history also should be taken, including exposures to risk factors. In many cases a death cause, attributable to fetal, maternal, or placental pathology, is clearly identified. However, in 50% or more of cases the cause remains unknown...
October 2016: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/27458667/electrical-stimulation-ventilatory-feedback-facilitates-maintenance-of-a-prolonged-expiration-pattern-during-exercise-a-proof-of-concept-study-in-healthy-adults
#6
Jun Yamahara, Kenichi Ito, Koji Nonaka
This study aimed at verifying the safety and effects of electrical stimulation ventilatory feedback (ESVF) to provide feedback during expiration, which may assist with breathing control in patients with chronic obstructive pulmonary disease (COPD). Because this is a new therapy, we examined the feasibility of the therapy in healthy adults. The 23 healthy adult participants were randomized into two groups: a stimulation group that received ESVF and a placebo group with the ESVF device attached, but not activated...
August 2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27378490/active-cycle-of-breathing-technique-for-cystic-fibrosis
#7
REVIEW
Naomi A Mckoy, Lisa M Wilson, Ian J Saldanha, Olaide A Odelola, Karen A Robinson
BACKGROUND: People with cystic fibrosis experience chronic airway infections as a result of mucus build up within the lungs. Repeated infections often cause lung damage and disease. Airway clearance therapies aim to improve mucus clearance, increase sputum production, and improve airway function. The active cycle of breathing technique (also known as ACBT) is an airway clearance method that uses a cycle of techniques to loosen airway secretions including breathing control, thoracic expansion exercises, and the forced expiration technique...
July 5, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27368630/laughter-as-an-approach-to-vocal-evolution-the-bipedal-theory
#8
Robert R Provine
Laughter is a simple, stereotyped, innate, human play vocalization that is ideal for the study of vocal evolution. The basic approach of describing the act of laughter and when we do it has revealed a variety of phenomena of social, linguistic, and neurological significance. Findings include the acoustic structure of laughter, the minimal voluntary control of laughter, the punctuation effect (which describes the placement of laughter in conversation and indicates the dominance of speech over laughter), and the role of laughter in human matching and mating...
July 1, 2016: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/27353953/impaired-orexin-receptor-expression-in-the-k%C3%A3-lliker-fuse-nucleus-in-sudden-infant-death-syndrome-possible-involvement-of-this-nucleus-in-arousal-pathophysiology
#9
Anna Maria Lavezzi, Stefano Ferrero, Luca Roncati, Luigi Matturri, Teresa Pusiol
OBJECTIVES: As well known, the sudden infant death syndrome (SIDS) is characterized by the sudden death of a seemingly healthy infant during sleep, frequently resulted from a deficit in arousal phase. Awakening from sleep requires a fully developed and functioning neuronal respiratory network to modulate the ventilation as needed. The pontine Kölliker-Fuse nucleus (KFN) plays a pivotal role in breathing control, thanks to its interconnections with the widespread serotonin and noradrenaline neurons in the brainstem...
August 2016: Neurological Research
https://www.readbyqxmd.com/read/27212813/model-of-yoga-intervention-in-industrial-organizational-psychology-for-counterproductive-work-behavior
#10
REVIEW
Umesh C Dwivedi, Sony Kumari, H R Nagendra
Counterproductive work behavior (CWB) has long been recognized as a broad spectrum of job behaviors and its link with negative affectivity and hostile behaviors. It is a major concern practically for all organizations. Repeated exposure to workplace stressor can result in a strain, an outcome of the job stress process that can be psychological, physical, or behavioral in nature, leading to CWBs. Yoga is a technique that brings an improvement on mental and physical level by means of posture, breathing control methods, and silencing the mind through meditation...
July 2015: Industrial Psychiatry Journal
https://www.readbyqxmd.com/read/27194336/progressive-changes-in-a-distributed-neural-circuit-underlie-breathing-abnormalities-in-mice-lacking-mecp2
#11
Teng-Wei Huang, Mikhail Y Kochukov, Christopher S Ward, Jonathan Merritt, Kaitlin Thomas, Tiffani Nguyen, Benjamin R Arenkiel, Jeffrey L Neul
UNLABELLED: Rett syndrome (RTT) is a neurodevelopmental disorder caused by mutations in Methyl-CpG-binding protein 2 (MECP2). Severe breathing abnormalities are common in RTT and are reproduced in mouse models of RTT. Previously, we found that removing MeCP2 from the brainstem and spinal cord in mice caused early lethality and abnormal breathing. To determine whether loss of MeCP2 in functional components of the respiratory network causes specific breathing disorders, we used the Cre/LoxP system to differentially manipulate MeCP2 expression throughout the brainstem respiratory network, specifically within HoxA4-derived tissues, which include breathing control circuitry within the nucleus tractus solitarius and the caudal part of ventral respiratory column but do not include more rostral parts of the breathing control circuitry...
May 18, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27186213/the-effects-of-progressive-muscular-relaxation-and-breathing-control-technique-on-blood-pressure-during-pregnancy
#12
Mahboobeh Aalami, Farzaneh Jafarnejad, Morteza ModarresGharavi
BACKGROUND: Hypertensive disorders in pregnancy are the main cause of maternal and fetal mortality; however, they have no definite effective treatment. The researchers aimed to study the effects of progressive muscular relaxation and breathing control technique on blood pressure (BP) during pregnancy. MATERIALS AND METHODS: This three-group clinical trial was conducted in Mashhad health centers and governmental hospitals. Sixty pregnant (after 20 weeks of gestational age) women with systolic BP ≥ 135 mmHg or diastolic BP ≥ 85 mmHg were assigned to three groups...
May 2016: Iranian Journal of Nursing and Midwifery Research
https://www.readbyqxmd.com/read/27132445/-role-and-mechanism-of-the-nod-like-receptor-3-inflammasome-in-ventilator-induced-lung-injury-in-rats
#13
Weikang Zhang, Linghui Pan
OBJECTIVE: To investigate the role and its mechanism of the NOD-like receptor 3 (NLRP3) inflammasome in alveolar macrophages in ventilator-induced lung injury (VILI) in rats. METHODS: Thirty adult male Sprague-Dawley (SD) rats were randomly divided into three groups, with 10 rats in each group: spontaneous breathing control group, normal tidal volume (V(T)) group (V(T) 8 mL/kg) and high V(T) group (V(T) 40 ml/kg). All of the rats underwent tracheotomy. Then rats in spontaneous breathing control group were kept to have spontaneous breathing, while rats in normal V(T) group and high V(T) group received mechanical ventilation...
October 2015: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/27036576/benefits-of-adaptive-radiation-therapy-in-lung-cancer-as-a-function-of-replanning-frequency
#14
Christian Dial, Elisabeth Weiss, Jeffrey V Siebers, Geoffrey D Hugo
PURPOSE: To quantify the potential benefit associated with daily replanning in lung cancer in terms of normal tissue dose sparing and to characterize the tradeoff between adaptive benefit and replanning frequency. METHODS: A set of synthetic images and contours, derived from weekly active breathing control images of 12 patients who underwent radiation therapy treatment for nonsmall cell lung cancer, is generated for each fraction of treatment using principal component analysis in a way that preserves temporal anatomical trends (e...
April 2016: Medical Physics
https://www.readbyqxmd.com/read/26996580/change-in-pulmonary-function-after-incentive-spirometer-exercise-in-children-with-spastic-cerebral-palsy-a-randomized-controlled-study
#15
Ja Young Choi, Dong-wook Rha, Eun Sook Park
PURPOSE: The aim of this study was to investigate the effect of incentive spirometer exercise (ISE) on pulmonary function and maximal phonation time (MPT) in children with spastic cerebral palsy (CP). MATERIALS AND METHODS: Fifty children with CP were randomly assigned to two groups: the experimental group and the control group. Both groups underwent comprehensive rehabilitation therapy. The experimental group underwent additional ISE. The forced vital capacity (FVC), forced expiratory volume at one second (FEV₁), FEV₁/FVC ratio, peak expiratory flow (PEF), and MPT were assessed as outcome measures before and after 4 weeks of training...
May 2016: Yonsei Medical Journal
https://www.readbyqxmd.com/read/26939898/sub-anesthetic-xenon-increases-erythropoietin-levels-in-humans-a-randomized-controlled-trial
#16
Christian Stoppe, Julia Ney, Martin Brenke, Andreas Goetzenich, Christoph Emontzpohl, Gereon Schälte, Oliver Grottke, Manfred Moeller, Rolf Rossaint, Mark Coburn
BACKGROUND: The licensed anesthetic xenon, which exerts organ protective properties, was recently added by the World Anti-Doping Agency to the list of prohibited substances. Xenon is supposed to trigger the production of hypoxia-inducible factor 1α (HIF-1α) and subsequently erythropoietin, but data are limited to in vivo experimental work. Therefore we evaluated the effect of xenon on erythropoietin levels in healthy persons. METHODS: Twenty-four healthy volunteers were randomly assigned either to a group spontaneously breathing xenon 30 % (Xe/O2 30 %/60 %) or a group breathing control gas (N2/O2 40 %/60 %) for 45 min...
March 3, 2016: Sports Medicine
https://www.readbyqxmd.com/read/26855425/the-peptidergic-control-circuit-for-sighing
#17
Peng Li, Wiktor A Janczewski, Kevin Yackle, Kaiwen Kam, Silvia Pagliardini, Mark A Krasnow, Jack L Feldman
Sighs are long, deep breaths expressing sadness, relief or exhaustion. Sighs also occur spontaneously every few minutes to reinflate alveoli, and sighing increases under hypoxia, stress, and certain psychiatric conditions. Here we use molecular, genetic, and pharmacologic approaches to identify a peptidergic sigh control circuit in murine brain. Small neural subpopulations in a key breathing control centre, the retrotrapezoid nucleus/parafacial respiratory group (RTN/pFRG), express bombesin-like neuropeptide genes neuromedin B (Nmb) or gastrin-releasing peptide (Grp)...
February 18, 2016: Nature
https://www.readbyqxmd.com/read/26840836/sequential-gas-delivery-provides-precise-control-of-alveolar-gas-exchange
#18
REVIEW
Joseph A Fisher, Steve Iscoe, James Duffin
Of the factors determining blood gases, only alveolar ventilation (VA) is amenable to manipulation. However, current physiology text books neither describe how breath-by-breath VA can be measured, nor how it can be precisely controlled in spontaneously breathing subjects. And such control must be effected independent of minute ventilation (VE) and the pattern of breathing. Control of VA requires the deliberate partition of inhaled gas between the alveoli and the anatomical deadspace. This distribution is accomplished by sequential gas delivery (SGD): each breath consists of a chosen volume of 'fresh' gas followed by previously exhaled gas...
May 2016: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/26775505/-the-correlation-of-the-stroke-volume-with-pulmonary-venous-volume-and-left-atrial-volume
#19
Xing-guo Sun, Song-shou Mao, M J Budoff, W W Stringer, Xian-sheng Cheng
OBJECTIVE: The same person's pulmonary venous blood volume, left atrial volume and stroke volume were measured by lung CT scans and cardiac CT angiography (CTA). Then their relationships were analyzed in order to investigate the mechanism of breathing control. METHODS: As we described before, full pulmonary vascular (-0.6mm) volume was accurately calculated by three-dimensional imaging technology from lung CT scan; left atrial volume and stroke volume of left ventricle were calculated from the CTA data...
July 2015: Chinese Journal of Applied Physiology
https://www.readbyqxmd.com/read/26775502/-preliminary-reports-of-noninvasive-accurate-method-to-measure-pulmonary-vascular-capacity-in-normal-volunteers
#20
Xing-guo Sun, Song-shou Mao, M J Budoff, W W Stringer, Xian-sheng Cheng
OBJECTIVE: Because the traditional loop of breathing control and regulation effect on blood circulation, there was rare study of pulmonary vein capacity. We need a noninvasive and accurate pulmonary vascular capacity measurement and analysis method. METHODS: Twelve normal volunteers were performed a total lung CT scan, image data analysis processing by computer software, the whole lungs from the apex to the base of lung with 40-50 layers by hand-cut, the connection between adjacent layers automatically by a computer simulation, the full pulmonary vascular (≥ 0...
July 2015: Chinese Journal of Applied Physiology
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