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"Breath Control"

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https://www.readbyqxmd.com/read/28087822/amygdala-and-hippocampus-are-symptomatogenic-zones-for-central-apneic-seizures
#1
Nuria Lacuey, Bilal Zonjy, Luisa Londono, Samden D Lhatoo
OBJECTIVE: To identify limbic sites of respiratory control in the human brain, and by extension, the symptomatogenic zone for central apnea. METHODS: We used direct stimulation of anatomically, precisely placed stereotactic EEG electrodes to analyze breathing responses. We prospectively studied 3 patients who were explored with stereotactically implanted depth electrodes. The amygdala and hippocampus, as well as extralimbic sites (orbitofrontal, temporal tip, and temporal neocortex), were investigated...
January 13, 2017: Neurology
https://www.readbyqxmd.com/read/28077104/effects-of-treadmill-exercise-versus-flutter%C3%A2-on-respiratory-flow-and-sputum-properties-in-adults-with-cystic-fibrosis-a-randomised-controlled-cross-over-trial
#2
Tiffany J Dwyer, Rahizan Zainuldin, Evangelia Daviskas, Peter T P Bye, Jennifer A Alison
BACKGROUND: Treadmill exercise and airway clearance with the Flutter® device have previously been shown to improve mucus clearance mechanisms in people with cystic fibrosis (CF) but have not been compared. It is therefore not known if treadmill exercise is an adequate form of airway clearance that could replace established airway clearance techniques, such as the Flutter®. The aim of this study was to evaluate respiratory flow, sputum properties and subjective responses of treadmill exercise and Flutter® therapy, compared to resting breathing (control)...
January 11, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28048853/su-f-p-14-oxygen-inhalation-should-be-the-conventional-approach-in-the-treatment-of-thoracic-and-abdominal-cancer-by-radiotherapy-with-active-breathing-control-abc
#3
G Gong, Y Guo, Y Yin
PURPOSE: To investigate the feasibility and potential benefit of oxygen inhalation (OI) during radiotherapy applying an active breathing control (ABC) device, by analyzing the blood oxygen saturation (SpO2) and the instantaneous heart rate (IHR) variation in breath holding with OI and oxygen non-inhalation (ONI). METHODS: The 27 healthy volunteers (16 males, 11 females) who were involved in this trial were all required to hold their breath for 10 times, non-inhaling and inhaling oxygen successively...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048848/mo-fg-campus-jep3-04-feasibility-study-of-real-time-ultrasound-monitoring-for-abdominal-stereotactic-body-radiation-therapy
#4
Lin Su, Sook Kien Ng, Ying Zhang, Tianlong Ji, Iulian Iordachita, Joseph Herman, John Wong, H Tutkun Sen, Peter Kazanzides, Muyinatu A Lediju Bell, Kai Ding
PURPOSE: Ultrasound is ideal for real-time monitoring in radiotherapy with high soft tissue contrast, non-ionization, portability, and cost effectiveness. Few studies investigated clinical application of real-time ultrasound monitoring for abdominal stereotactic body radiation therapy (SBRT). This study aims to demonstrate the feasibility of real-time monitoring of 3D target motion using 4D ultrasound. METHODS: An ultrasound probe holding system was designed to allow clinician to freely move and lock ultrasound probe...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048258/su-f-r-47-quantitative-shape-relationship-analysis-of-ptv-modification-for-critical-anatomy-sparing-and-its-impact-on-pathologic-response-for-neoadjuvant-stereotactic-radiotherapy-for-pancreatic-cancer
#5
Z Cheng, L Rosati, L Chen, S Robertson, J Moore, L Peng, O Mian, A Narang, A Hacker-Prietz, J Herman, T McNutt
PURPOSE: Stereotactic body radiation therapy (SBRT) may be used to increase surgery candidacy in borderline resectable (BRPC) and locally advanced (LAPC) pancreatic cancer. However, the planning target volume (PTV) may need to be limited to avoid toxicity when the gross tumor volume (GTV) is anatomically involved with surrounding critical structures. Our study aims to characterize the coverage of GTV and investigate the association between modified PTV and pathologic (pCR) or near pathologic (npCR) complete response rates determined from the surgical specimen...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047823/we-de-209-00-practical-implementation-of-deep-inspiration-breath-hold-techniques-for-breast-radiation-therapy
#6
Rebecca Howell
: Breast radiation therapy is associated with some risk of lung toxicity as well as cardiac toxicity for left-sided cases. Radiation doses to the lung and heart can be reduced by using the deep inspiration breath hold (DIBH) technique, in which the patient is simulated and treated during the deep inspiration phase of the breathing cycle. During DIBH, the heart is usually displaced posteriorly, inferiorly, and to the right, effectively expanding the distance between the heart and the breast/chest wall...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047632/we-de-209-03-spirometric-motion-management-system
#7
S Hadley
: Breast radiation therapy is associated with some risk of lung toxicity as well as cardiac toxicity for left-sided cases. Radiation doses to the lung and heart can be reduced by using the deep inspiration breath hold (DIBH) technique, in which the patient is simulated and treated during the deep inspiration phase of the breathing cycle. During DIBH, the heart is usually displaced posteriorly, inferiorly, and to the right, effectively expanding the distance between the heart and the breast/chest wall...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047169/we-de-209-01-dosimetric-benefits-of-dibh
#8
R Howell
: Breast radiation therapy is associated with some risk of lung toxicity as well as cardiac toxicity for left-sided cases. Radiation doses to the lung and heart can be reduced by using the deep inspiration breath hold (DIBH) technique, in which the patient is simulated and treated during the deep inspiration phase of the breathing cycle. During DIBH, the heart is usually displaced posteriorly, inferiorly, and to the right, effectively expanding the distance between the heart and the breast/chest wall...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046951/we-de-209-04-3d-surface-image-guided
#9
X Tang
: Breast radiation therapy is associated with some risk of lung toxicity as well as cardiac toxicity for left-sided cases. Radiation doses to the lung and heart can be reduced by using the deep inspiration breath hold (DIBH) technique, in which the patient is simulated and treated during the deep inspiration phase of the breathing cycle. During DIBH, the heart is usually displaced posteriorly, inferiorly, and to the right, effectively expanding the distance between the heart and the breast/chest wall...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046502/we-de-209-02-active-breathing-control
#10
D Comsa
: Breast radiation therapy is associated with some risk of lung toxicity as well as cardiac toxicity for left-sided cases. Radiation doses to the lung and heart can be reduced by using the deep inspiration breath hold (DIBH) technique, in which the patient is simulated and treated during the deep inspiration phase of the breathing cycle. During DIBH, the heart is usually displaced posteriorly, inferiorly, and to the right, effectively expanding the distance between the heart and the breast/chest wall...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046292/we-de-209-05-self-held-breath-control-with-respiratory-monitoring-and-feedback-guidance
#11
K Gifford
: Breast radiation therapy is associated with some risk of lung toxicity as well as cardiac toxicity for left-sided cases. Radiation doses to the lung and heart can be reduced by using the deep inspiration breath hold (DIBH) technique, in which the patient is simulated and treated during the deep inspiration phase of the breathing cycle. During DIBH, the heart is usually displaced posteriorly, inferiorly, and to the right, effectively expanding the distance between the heart and the breast/chest wall...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27956129/-epidemiology-risk-factors-and-phenotypes-of-sleep-breathing-disorders
#12
Raphaël Heinzer
Recent epidemiological studies show that the prevalence of sleep-disordered breathing seems to be higher than previously estimated in the middle to older aged general population with approximatively 49% of men and 23% of women being affected. This higher than expected prevalence of sleep-disordered breathing seems to be due to the high sensitivity of current recording techniques and to the new and more inclusive definition of respiratory events (hypopnea definition in particular). Male sex, age, and truncal obesity (large neck girth, high waist to hip ratio) are the main risk factors for sleep-disordered breathing...
December 9, 2016: La Presse Médicale
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
#13
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
#14
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
#15
Nicolle Dunkerley, Frederick R Bartlett, Anna M Kirby, Philip M Evans, Ellen M Donovan
OBJECTIVE: 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 (VBH) method 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...
November 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
#16
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
#17
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
#18
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
#19
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
#20
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
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