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"Breath Control"

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https://www.readbyqxmd.com/read/29305892/the-involvement-of-the-pathway-connecting-the-substantia-nigra-the-periaqueductal-gray-matter-and-the-retrotrapezoid-nucleus-in-breathing-control-in-a-rat-model-of-parkinson-s-disease
#1
Juliana C Lima, Luiz M Oliveira, Marina T Botelho, Thiago S Moreira, Ana C Takakura
Parkinson's disease (PD) is characterized by a reduction in the number of dopaminergic neurons of the substantia nigra (SNpc), accompanied by motor and non-motor deficiencies such as respiratory failure. Here, our aim was to investigate possible neuronal communications between the SNpc and chemoreceptor neurons within the retrotrapezoid nucleus (RTN), in order to explain neurodegeneration and the loss of breathing function in the 6-OHDA PD animal model. Male Wistar rats received tracer injections in the SNpc, RTN and periaqueductal gray (PAG) regions to investigate the projections between those regions...
January 4, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29234673/breathing-training-for-dysfunctional-breathing-in-asthma-taking-a-multidimensional-approach
#2
REVIEW
Rosalba Courtney
Various breathing training programmes may be helpful for adults with asthma. The main therapeutic aim for many of these programmes is the correction of dysfunctional breathing. Dysfunctional breathing can be viewed practically as a multidimensional entity with the three key dimensions being biochemical, biomechanical and psychophysiological. The objectives of this review are to explore how each of these dimensions might impact on asthma sufferers, to review how various breathing therapy protocols target these dimensions and to determine if there is evidence suggesting how breathing therapy protocols might be optimised...
October 2017: ERJ Open Research
https://www.readbyqxmd.com/read/29192540/thoracoabdominal-breathing-motion-pattern-and-coordination-of-professional-ballet-dancers
#3
Isabella Martins Rodrigues, Gustavo Ramos Dalla Bernardina, Karine Jacon Sarro, Guido Baroni, Pietro Cerveri, Amanda Piaia Silvatti
Ballet training includes exercises of high and moderate intensities, which require breathing control for a good performance. This study describes the thoracoabdominal motion of professional dancers and compares the breathing patterns between professional dancers and non-dancers. Participants of this study were four male and four female (30.33 ± 4.64 years) professional dancers and four male and four female (22.75 ± 1.49 years) non-dancers. The participants executed two breathing manoeuvres while sitting motionless: quiet breathing (QB) and vital capacity (VC)...
December 1, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29160737/community-singing-groups-for-people-with-chronic-obstructive-pulmonary-disease-participant-perspectives
#4
Ann Skingley, Stephen Clift, Sadie Hurley, Sonia Price, Lizzi Stephens
AIM: Chronic obstructive pulmonary disease (COPD) is a major public health issue which is irreversible and progressive, but previous research suggests that singing may have beneficial effects. The aim of this study was to establish the views of participants with COPD taking part in a singing for better breathing programme. METHODS: This was a descriptive qualitative study nested within a single-cohort feasibility study which included measures of lung function and wellbeing...
November 1, 2017: Perspectives in Public Health
https://www.readbyqxmd.com/read/29152835/intra-and-inter-fractional-liver-and-lung-tumor-motions-treated-with-sbrt-under-active-breathing-control
#5
Lan Lu, Claudiu Diaconu, Toufik Djemil, Gregory Mm Videtic, May Abdel-Wahab, Naichang Yu, John Greskovich, Kevin L Stephans, Ping Xia
PURPOSE: To assess intra- and inter-fractional motions of liver and lung tumors using active breathing control (ABC). METHODS AND MATERIALS: Nineteen patients with liver cancer and 15 patients with lung cancer treated with stereotactic body radiotherapy (SBRT) were included in this retrospective study. All patients received a series of three CTs at simulation to test breath-hold reproducibility. The centroids of the whole livers and of the lung tumors from the three CTs were compared to assess intra-fraction variability...
November 20, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29135910/sleep-disordered-breathing-in-children-with-recurrent-wheeze-asthma-a-single-centre-study
#6
Marco Zaffanello, Emma Gasperi, Laura Tenero, Michele Piazza, Angelo Pietrobelli, Luca Sacchetto, Franco Antoniazzi, Giorgio Piacentini
The relationship between asthma and sleep-disordered breathing is bidirectional due to common risk factors that promote airway inflammation. Obstructive sleep-disordered breathing and recurrent wheeze/asthma are conditions that involve the upper and the lower respiratory system, respectively. The aim of the present study was to investigate the sleep disordered breathing in children with recurrent wheeze/asthma. This was a retrospective study concerning children older than 2 years who underwent-between January 2014 and November 2016-an in-laboratory overnight polygraphic study...
November 14, 2017: Children
https://www.readbyqxmd.com/read/28984368/autogenic-drainage-for-airway-clearance-in-cystic-fibrosis
#7
REVIEW
Pamela McCormack, Paul Burnham, Kevin W Southern
BACKGROUND: Autogenic drainage is an airway clearance technique that was developed by Jean Chevaillier in 1967. The technique is characterised by breathing control using expiratory airflow to mobilise secretions from smaller to larger airways. Secretions are cleared independently by adjusting the depth and speed of respiration in a sequence of controlled breathing techniques during exhalation. The technique requires training, concentration and effort from the individual. It is important to systematically review the evidence demonstrating that autogenic drainage is an effective intervention for people with cystic fibrosis...
October 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28972124/activity-patterns-elicited-by-airflow-in-the-olfactory-bulb-and-their-possible-functions
#8
Ruiqi Wu, Yue Liu, Li Wang, Bo Li, Fuqiang Xu
Olfactory sensory neurons (OSNs) can sense both odorants and airflows. In the olfactory bulb (OB), the coding of odor information has been well studied, but the coding of mechanical stimulation is rarely investigated. Unlike odor-sensing functions of OSNs, the airflow-sensing functions of OSNs are also largely unknown. Here, the activity patterns elicited by mechanical airflow in male rat OBs were mapped using fMRI and correlated with local field potential recordings. In an attempt to reveal possible functions of airflow sensing, the relationship between airflow patterns and physiological parameters was also examined...
November 1, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28958873/effects-of-respiratory-muscle-strength-training-in-classically-trained-singers
#9
Christin Ray, Michael D Trudeau, Scott McCoy
Many voice pedagogy practices revolve around the notion of controlling airflow and lung volumes and focus heavily on the concepts of breath support and breath control. Despite this emphasis, the effects of increased respiratory muscle strength on airflow and phonation patterns in trained singers remain unknown. This study addressed whether singers could increase respiratory muscle strength with progressive threshold training and whether respiratory muscle strength increases had measurable effect on voice outcomes...
September 25, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28687484/participation-of-locus-coeruleus-in-breathing-control-in-female-rats
#10
Débora de Carvalho, Luis Gustavo A Patrone, Danuzia A Marques, Mariane C Vicente, Raphael E Szawka, Janete A Anselmo-Franci, Kênia C Bícego, Luciane H Gargaglioni
Several evidences indicate that the locus coeruleus (LC) is involved in central chemoreception responding to CO2/pH and displaying a high percentage of chemosensitive neurons (>80%). However, there are no studies about the LC-mediated hypercapnic ventilation performed in females. Therefore, we assessed the role of noradrenergic LC neurons in non-ovariectomized (NOVX), ovariectomized (OVX) and estradiol (E2)-treated ovariectomized (OVX+E2) rats in respiratory response to hypercapnia, using a 6-hydroxydopamine (6-OHDA) - lesion model...
July 4, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28684394/tg-th-cre-fi172gsat-th-cre-defines-neurons-that-are-required-for-full-hypercapnic-and-hypoxic-reflexes
#11
Jenny J Sun, Russell S Ray
The catecholaminergic (CA) system has been implicated in many facets of breathing control and offers an important target to better comprehend the underlying etiologies of both developmental and adult respiratory pathophysiologies. Here, we used a noninvasive DREADD-based pharmacogenetic approach to acutely perturb Tg(Th-Cre)FI172Gsat (Th-Cre)-defined neurons in awake and unrestrained mice in an attempt to characterize CA function in breathing. We report that clozapine-N-oxide (CNO)-DREADD-mediated inhibition of Th-Cre-defined neurons results in blunted ventilatory responses under respiratory challenge...
August 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28678316/resting-state-functional-thalamic-connectivity-abnormalities-in-patients-with-post-stroke-sleep-apnoea-a-pilot-case-control-study
#12
M L Sacchetti, M T Di Mascio, E Tinelli, C Mainero, G Russo, M Fiorelli, V Calistri, C de Lena, A Minni, F Caramia
OBJECTIVE: Sleep apnoea is common after stroke, and has adverse effects on the clinical outcome of affected cases. Its pathophysiological mechanisms are only partially known. Increases in brain connectivity after stroke might influence networks involved in arousal modulation and breathing control. The aim of this study was to investigate the resting state functional MRI thalamic hyper-connectivity of stroke patients affected by sleep apnoea (SA) with respect to cases not affected, and to healthy controls (HC)...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28574192/feasibility-study-of-ultrasound-imaging-for-stereotactic-body-radiation-therapy-with-active-breathing-coordinator-in-pancreatic-cancer
#13
Lin Su, Iulian Iordachita, Yin Zhang, Junghoon Lee, Sook Kien Ng, Juan Jackson, Ted Hooker, John Wong, Joseph M Herman, H Tutkun Sen, Peter Kazanzides, Muyinatu A Lediju Bell, Chen Yang, Kai Ding
PURPOSE: Stereotactic body radiation therapy (SBRT) allows for high radiation doses to be delivered to the pancreatic tumors with limited toxicity. Nevertheless, the respiratory motion of the pancreas introduces major uncertainty during SBRT. Ultrasound imaging is a non-ionizing, non-invasive, and real-time technique for intrafraction monitoring. A configuration is not available to place the ultrasound probe during pancreas SBRT for monitoring. METHODS AND MATERIALS: An arm-bridge system was designed and built...
July 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28541770/sonographic-evaluation-of-diaphragmatic-function-during-breathing-control
#14
A Y M Jones, S P C Ngai, M T C Ying, N R Morris, E L Laakso, S W Y Lee, S M Parry
OBJECTIVE: To investigate the effect of "breathing control" on sonographic diaphragmatic excursion. METHOD: A prospective, randomized, assessor-blinded study design involving 20 physiotherapy students; ten with knowledge of the breathing control technique (Group BC) and ten without (Group CON). All participants were asked to perform a Chester step test. Group BC performed BC, while Group CON adopted their own breathing pattern during recovery after the step test...
July 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28461167/singing-lessons-for-respiratory-health-a-literature-review
#15
REVIEW
Rachel B Goldenberg
OBJECTIVE: Several studies have explored the role of music and singing as a treatment for respiratory symptoms. The objective of this paper was to review the current body of literature in regard to the use of singing as both a physiological and a psychological therapy for respiratory disease and assess the role the singing teacher might play in this treatment. STUDY DESIGN: This is a literature review, discussion of results and directions for further research. METHOD: Multiple databases were searched using keywords such as "respiratory," "physiotherapy," and "pulmonary" in conjunction with "singing...
April 28, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28360327/breathing-control-center-neurons-that-promote-arousal-in-mice
#16
Kevin Yackle, Lindsay A Schwarz, Kaiwen Kam, Jordan M Sorokin, John R Huguenard, Jack L Feldman, Liqun Luo, Mark A Krasnow
Slow, controlled breathing has been used for centuries to promote mental calming, and it is used clinically to suppress excessive arousal such as panic attacks. However, the physiological and neural basis of the relationship between breathing and higher-order brain activity is unknown. We found a neuronal subpopulation in the mouse preBötzinger complex (preBötC), the primary breathing rhythm generator, which regulates the balance between calm and arousal behaviors. Conditional, bilateral genetic ablation of the ~175 Cdh9/Dbx1 double-positive preBötC neurons in adult mice left breathing intact but increased calm behaviors and decreased time in aroused states...
March 31, 2017: Science
https://www.readbyqxmd.com/read/28325619/effects-of-online-cone-beam-computed-tomography-with-active-breath-control-in-determining-planning-target-volume-during-accelerated-partial-breast-irradiation
#17
Y Li, R Zhong, X Wang, P Ai, F Henderson, N Chen, F Luo
PURPOSE: To test if active breath control during cone-beam computed tomography (CBCT) could improve planning target volume during accelerated partial breast radiotherapy for breast cancer. METHODS: Patients who were more than 40 years old, underwent breast-conserving dissection and planned for accelerated partial breast irradiation, and with postoperative staging limited to T1-2 N0 M0, or postoperative staging T2 lesion no larger than 3cm with a negative surgical margin greater than 2mm were enrolled...
April 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28207445/the-nuts-and-bolts-of-performing-focused-cardiovascular-ultrasound-focus
#18
REVIEW
Josh M Zimmerman, Bradley J Coker
The benefit of focused cardiovascular ultrasound as an adjunct to physical examination has been shown in numerous specialties and in diverse clinical settings. Although the value of these techniques to the practice of anesthesiology is substantial, they have only begun to be incorporated. This article reviews the basic techniques required to perform a bedside focused cardiovascular ultrasound (ie, FoCUS examination). This includes a discussion of patient positioning, breath control, probe position, and manipulation and was supplemented by normal and abnormal examples for review...
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28139424/the-impact-of-active-breathing-control-on-internal-mammary-lymph-node-coverage-and-normal-tissue-exposure-in-breast-cancer-patients-planned-for-left-sided-postmastectomy-radiation-therapy
#19
Aisling Barry, Kathy Rock, Claudio Sole, Mohammad Rahman, Melania Pintilie, Grace Lee, Anthony Fyles, C Anne Koch
PURPOSE: The purpose of this study was to evaluate the impact of the active breathing control (ABC) technique on IMN coverage and organs at risk in patients planned for postmastectomy radiation therapy (PMRT), with the inclusion of the internal mammary lymph nodes (IMNs). The effect of body mass index (BMI) on recorded dosimetric parameters was examined in the same patient cohort. METHODS AND MATERIALS: Fifty left-sided postmastectomy patients with breast cancer who underwent free-breathing (FB) and ABC-Elekta CT simulation scans were selected at random from an institutional breast cancer database between 2008 and 2014...
December 7, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28126475/clinical-benefits-of-new-immobilization-system-for-hypofractionated-radiotherapy-of-intrahepatic-hepatocellular-carcinoma-by-helical-tomotherapy
#20
Yong Hu, Yong-Kang Zhou, Yi-Xing Chen, Shi-Ming Shi, Zhao-Chong Zeng
OBJECTIVE: A comprehensive clinical evaluation was conducted, assessing the Body Pro-Lok immobilization and positioning system to facilitate hypofractionated radiotherapy of intrahepatic hepatocellular carcinoma (HCC), using helical tomotherapy to improve treatment precision. METHODS: Clinical applications of the Body Pro-Lok system were investigated (as above) in terms of interfractional and intrafractional setup errors and compressive abdominal breath control...
April 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
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