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Diaphragmatic breathing

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https://www.readbyqxmd.com/read/29676798/afferent-neural-feedback-overrides-the-modulating-effects-of-arousal-hypercapnia-and-hypoxemia-on-neonatal-cardio-respiratory-control
#1
Kathleen J Lumb, Jennifer M Schneider, Thowfique Ibrahim, Anita Rigaux, Shabih U Hasan
KEY POINTS: Evidence at whole animal, organ-system, and cellular and molecular levels suggests that afferent volume feedback is critical for establishment of adequate ventilation at birth. Due to the irreversible nature of vagal ablation studies to date, it was difficult to quantify the roles of afferent volume input, arousal and changes in blood gas tensions on neonatal respiratory control. During reversible perineural vagal block, profound apneas, and hypoxemia and hypercarbia were observed necessitating termination of perineural blockade...
April 20, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29668563/kinematic-magnetic-resonance-imaging-of-the-thorax-using-2-dimensional-balanced-subsecond-steady-state-free-precession-sequence-during-forced-breathing-in-comparison-with-spirometry
#2
Daigo Tanimoto, Katsuyoshi Ito, Hiroki Higashi, Akira Yamamoto, Akihiko Kanki, Kazuya Yasokawa, Tsutomu Tamada
PURPOSE: The purpose of this article was to investigate the feasibility of kinematic magnetic resonance imaging (MRI) during forced breathing for the assessment of thoracic and diaphragmatic movement and to compare the results of MRI and spirometry to determine the MRI parameters that are predominantly associated with pulmonary function. MATERIALS AND METHODS: Forty-nine healthy volunteers who underwent kinematic MRI using 2-dimensional balanced subsecond steady-state free precession sequence during forced breathing were included...
May 2018: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/29601485/biopsychosocial-assessment-of-pain-with-thermal-imaging-of-emotional-facial-expression-in-breast-cancer-survivors
#3
David Alberto Rodríguez Medina, Benjamín Domínguez Trejo, Patricia Cortés Esteban, Irving Armando Cruz Albarrán, Luis Alberto Morales Hernández, Gerardo Leija Alva
Background : Recent research has evaluated psychological and biological characteristics associated with pain in survivors of breast cancer (BC). Few studies consider their relationship with inflammatory activity. Voluntary facial expressions modify the autonomic activity and this may be useful in the hospital environment for clinical biopsychosocial assessment of pain. Methods: This research compared a BC survivors group under integral treatment (Oncology, Psychology, Nutrition) with a control group to assess the intensity of pain, behavioral interference, anxiety, depression, temperament-expression, anger control, social isolation, emotional regulation, and alexithymia and inflammatory activity, with salivary interleukin 6 (IL-6)...
March 30, 2018: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29567109/diaphragmatic-shear-modulus-at-various-submaximal-inspiratory-mouth-pressure-levels
#4
Kentaro Chino, Toshiyuki Ohya, Keisho Katayama, Yasuhiro Suzuki
This study assessed the shear modulus of the diaphragm at various submaximal inspiratory mouth pressure levels by ultrasound shear wave elastography. In 14 healthy male subjects, diaphragmatic shear moduli were assessed at end expiration during resting breathing and at submaximal inspiratory tasks at 15, 30, 45, 60, and 75% of the maximal inspiratory mouth pressure. The shear modulus increased along with mouth pressure, and the mouth-pressure-shear-modulus relationship fit the second-order polynomial regression equation (r2  = 0...
March 19, 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29545685/oxygen-cost-of-thoracic-and-diaphragmatic-breathing-during-hyperventilation-in-healthy-males
#5
Nobuhisa Ishii, Kazuhide Tomita, Shinsuke Suetake, Yukako Okuno, Kenta Kawamura, Reiko Takeshima, Hirotaka Ohse, Shigeyuki Imura
[Purpose] It is unclear whether diaphragmatic breathing (DB) results in lower respiratory muscle oxygen consumption during dynamic exercise. The purpose of this study was to compare oxygen consumption in the respiratory muscles (VO2 rm) with thoracic breathing (TB) and with DB, in healthy males during hyperventilation. [Subjects and Methods] Ten healthy men participated in this study. The subjects sat on a chair with the backrest reclined at an angle of 60 degrees. Respiratory parameters were measured breath by breath, using an expired gas analyzer...
February 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29504671/a-randomised-cross-over-study-showed-no-difference-in-diaphragm-activity-during-weaning-from-respiratory-support
#6
Hilde Brenne, Kristine Hermansen Grunewaldt, Turid Follestad, Håkon Bergseng
AIM: We measured electrical activity of the diaphragm (Edi) to compare the breathing effort in preterm infants during weaning from respiratory support with high-flow nasal cannulae (HFNC) or nasal continuous positive airway pressure (nCPAP). METHODS: This randomised cross-over study was carried out at St Olav's University Hospital, Trondheim, Norway from December 2013 to June 2015. We gave 21 preterm infants weighing at least 1,000 grams HFNC 6 l/min for four hours and nCPAP 3 cmH2 O for four hours with a one-hour wash-out period...
March 5, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29498253/individualized-dry-land-intervention-program-for-an-%C3%A3-lite-paralympic-swimmer-a-case-report
#7
Luca Cavaggioni, Athos Trecroci, Massimiliano Tosin, F Marcello Iaia, Giampietro Alberti
The aim of this retrospective case study is the longitudinal description of the physical and functional parameters of a top-level Paralympic swimmer class S9-SB8-SM9 during four swimming seasons of training, from the Paralympic games in London 2012 to the Paralympic games in Rio 2016. A 22-year-old male swimmer underwent a specific preventive dry-land training based on diaphragmatic breathing, postural alignment, and slow-velocity resistance training aimed to improve his muscle strength. He was tested by using the Functional Movement ScreenTM, photographic postural assessment and vertical jump...
March 1, 2018: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29444968/behavioral-interventions-as-a-treatment-for-epilepsy-a-multicenter-randomized-controlled-trial
#8
Sheryl R Haut, Richard B Lipton, Susannah Cornes, Alok K Dwivedi, Rachel Wasson, Sian Cotton, Jeffrey R Strawn, Michael Privitera
OBJECTIVE: To evaluate the effect of a stress-reduction intervention in participants with medication-resistant epilepsy. METHODS: Adults with medication-resistant focal epilepsy (n = 66) were recruited from 3 centers and randomized to 1 of 2 interventions: (1) progressive muscle relaxation (PMR) with diaphragmatic breathing, or (2) control focused-attention activity with extremity movements. Following an 8-week baseline period, participants began 12 weeks of double-blind treatment...
February 14, 2018: Neurology
https://www.readbyqxmd.com/read/29438332/diaphragmatic-palsy
#9
REVIEW
Laxmi Kokatnur, Mohan Rudrappa
The diaphragm is the primary muscle of respiration, and its weakness can lead to respiratory failure. Diaphragmatic palsy can be caused by various causes. Injury to the phrenic nerve during thoracic surgeries is the most common cause for diaphragmatic palsy. Depending on the cause, the symptoms of diaphragmatic palsies vary from completely asymptomatic to disabling dyspnea requiring mechanical ventilation. On pulmonary function tests, there will be a decrease in the maximum respiratory muscle power. Spirometry shows reduced lung functions and a significant drop of lung function in supine position is typical of diaphragmatic palsy...
February 13, 2018: Diseases (Basel)
https://www.readbyqxmd.com/read/29437939/evolution-of-respiratory-function-in-duchenne-muscular-dystrophy-from-childhood-to-adulthood
#10
Antonella LoMauro, Marianna Romei, Sandra Gandossini, Riccardo Pascuzzo, Simone Vantini, Maria Grazia D'Angelo, Andrea Aliverti
In Duchenne muscular dystrophy (DMD), it is still to be determined if specific timepoints can be identified during the natural evolution of respiratory dysfunction from childhood to adulthood and if scoliosis, steroid therapy and nocturnal noninvasive mechanical ventilation (NIMV) have any effect on it.In a 7-year retrospective study performed on 115 DMD patients (6-24 years), evaluated once or twice per year, with 574 visits in total, evolution mean curves of spirometry, lung volumes, spontaneous breathing and thoraco-abdominal pattern (measured by optoelectronic plethysmography) parameters were obtained by nonlinear regression model analysis...
February 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29435300/computed-tomography-guided-lung-biopsy-association-between-biopsy-needle-angle-and-pneumothorax-development
#11
Takumi Kuriyama, Katsuhiro Masago, Yuki Okada, Nobuyuki Katakami
Computed tomography (CT)-guided lung biopsy is a well-established diagnostic method for pulmonary lesions. However, the use of this technique often results in pneumothorax development. The aim of the present study was to evaluate the association between biopsy needle angle and pneumothorax development associated with computed tomography-guided lung biopsy. We retrospectively analyzed the results of CT-guided lung biopsies for 325 cases to investigate physical risk factors for pneumothorax development. Biopsy needle angle and patient positioning were included in the analysis...
February 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29429217/-phrenic-nerve-stimulation-protects-against-mechanical-ventilation-induced-diaphragmatic-dysfunction-through-myogenic-regulatory-factors
#12
G H An, M Chen, W F Zhan, B Hu, H X Zhang
Objective: To explore the protective effect of electrical stimulation of phrenic nerve on diaphragmatic function during mechanical ventilation. Methods: Forty healthy adult SD rats were randomly divided into 5 groups: blank control group (BC), spontaneous breathing group (SB), electrical stimulation group (ES), mechanical ventilation group (MV), and electrical stimulation and mechanical ventilation group (MS). The rats in each group were treated for 18 h except for the BC group. After treatment, the diaphragm muscle tissue was obtained and the diaphragm contractility including peak-to-peak value(Vpp) and maximum rate of contraction(+ dT/dt max) were measured...
February 12, 2018: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29428925/adjuvant-therapy-yiqiditantongfu-decoction-with-external-diaphragm-pacer-for-chronic-obstructive-pulmonary-disease-patients-with-difficulty-weaning-from-mechanical-ventilation
#13
Cong He, Shan Ren, Quansheng Du, Yong Wang, Hui Liu, Heling Zhao, Limin Shen, Ling Long, Xianlei Wang
Context • Global morbidity from chronic obstructive pulmonary disease (COPD) is high worldwide. Diaphragm pacing (DP) can maintain the natural, negative pressure breathing of COPD patients with diaphragmatic muscle dysfunction. The YiqiDitanTongfu (YDTF) decoction has been used clinically with COPD patients to help them to wean from mechanical ventilation, with their ventilation functions being improved and the success rate of weaning being largely increased. Objective • The study intended to investigate the combined therapeutic effects of external DP and the YDTF decoction for COPD patients who have had difficulty weaning from mechanical ventilation...
February 10, 2018: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/29424007/inspiratory-muscle-training-improves-exercise-capacity-with-thoracic-load-carriage
#14
Ren-Jay Shei, Robert F Chapman, Allison H Gruber, Timothy D Mickleborough
Thoracic load carriage (LC) exercise impairs exercise performance compared to unloaded exercise, partially due to impaired respiratory mechanics. We investigated the effects of LC on exercise and diaphragmatic fatigue in a constant-load exercise task; and whether inspiratory muscle training (IMT) improved exercise capacity and diaphragmatic fatigue with LC. Twelve recreationally active males completed three separate running trials to exhaustion (Tlim ) at a fixed speed eliciting 70% of their V˙O2max . The first two trials were completed either unloaded (UL) or while carrying a 10 kg backpack (LC)...
February 2018: Physiological Reports
https://www.readbyqxmd.com/read/29421851/respiratory-characteristics-of-individuals-with-non-specific-low-back-pain-a-cross-sectional-study
#15
Vikram Mohan, Aatit Paungmali, Patraporn Sitilerpisan, Ummi F Hashim, Munifa B Mazlan, Tuan N Nasuha
Non-specific low back pain (NS-LBP) is known to cause respiratory dysfunction. In this study, we investigated alterations in breathing, respiratory strength and endurance, core stability, diaphragm mobility, and chest expansion among patients with NS-LBP and healthy individuals. The specific aim of the study was to correlate between respiratory function and other variables among NS-LBP patients. Thirty four patients with NS-LBP were matched with 34 healthy participants before undergoing total faulty breathing scale, spirometer, respiratory pressure meter, chest expansion, ultrasound, and pressure biofeedback measurements...
February 8, 2018: Nursing & Health Sciences
https://www.readbyqxmd.com/read/29419338/bridging-body-and-mind-considerations-for-trauma-informed-yoga
#16
Lauren Justice, Christiane Brems, Karrie Ehlers
Individuals who suffer from trauma-related symptoms are a unique population that could benefit from the mind-body practice of yoga-or have their symptoms reactivated by it, depending on the type of yoga. Trauma-informed yoga (TIY), that is, yoga adapted to the unique needs of individuals working to overcome trauma, may ameliorate symptoms by creating a safe, tailored practice for students to learn how to respond, rather than react, to symptoms and circumstances. Yoga not thus adapted, on the other hand, may increase reactivity and activate symptoms such as hyperarousal or dissociation...
February 8, 2018: International Journal of Yoga Therapy
https://www.readbyqxmd.com/read/29373153/diaphragmatic-ultrasound-correlates-with-inspiratory-muscle-strength-and-pulmonary-function-in-healthy-subjects
#17
Letícia Zumpano Cardenas, Pauliane Vieira Santana, Pedro Caruso, Carlos Roberto Ribeiro de Carvalho, André Luís Pereira de Albuquerque
Diaphragm ultrasound (DUS) has been used to identify diaphragm dysfunction. However, its correlations with respiratory strength and lung function are unclear, even in healthy patients. A total of 64 healthy patients (30 males) had lung function and inspiratory strength (maximal inspiratory pressure and sniff nasal inspiratory pressure) measured. Gastric and oesophageal pressures were measured in a subgroup (n = 40). DUS was characterized by mobility (quiet breathing [QB] and deep breathing [DB]) and thickness (at functional residual capacity [ThFRC ] and total lung capacity [ThTLC ])...
April 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29367364/unusual-case-of-hemidiaphragmatic-paralysis-secondary-to-cervical-herpes-zoster
#18
Muhammad Adnan Saleem, Zeeshan Mustafa, Noman Qayyum, Muhammad Badar Ganaie
Hemidiaphragmatic paralysis is usually caused by surgery, malignancy or trauma and rarely by viral infections. Herpes zoster (shingles) results in varied neurological complications, but peripheral motor involvement or diaphragmatic paralysis is rare. We report the case of an 87-year-old male who presented with worsening breathlessness soon after an episode of shingles, affecting his right neck and upper chest. He had no alarm symptoms, history of trauma or malignancy. Skin lesions resolved after a few weeks, but his breathing did not improve...
January 23, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29357739/grafts-of-olfactory-stem-cells-restore-breathing-and-motor-functions-after-a-rat-spinal-cord-injury
#19
Jean-Claude Stamegna, Kevin Sadelli, Guy Escoffier, Stéphane D Girard, Antoine D Veron, Amandine Bonnet, Michel Khrestchatisky, Patrick Gauthier, Francois Roman
The transplantation of Olfactory Ecto-Mesenchymal Stem Cells (OEMSCs) could be a helpful therapeutic strategy for spinal cord repair. Using an acute rat model of high cervical contusion that provokes a persistent hemi-diaphragmatic and foreleg paralysis, we evaluated the therapeutic effect of a delayed syngeneic transplantation (two days post-contusion) of OEMSCs within the injured spinal cord. Respiratory function was assessed using diaphragmatic electromyography and neuro-electrophysiological recordings of phrenic nerves (innervating the diaphragm)...
January 22, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29357497/temporal-characteristics-of-exercise-induced-diaphragmatic-fatigue
#20
Bruno Archiza, Joseph F Welch, Caitlin M Geary, Grayson P Allen, Audrey Borghi-Silva, A William Sheel
There is evidence suggesting diaphragmatic fatigue (DF) occurs relatively early during high-intensity exercise; however, studies investigating the temporal characteristics of exercise-induced DF are limited by incongruent methodology. Eight healthy adult males (25 ± 5 yr) performed a maximal incremental exercise test on a cycle ergometer on day 1. A constant-load time-to-exhaustion (TTE) exercise test was conducted on day 2 at 60% delta between the calculated gas exchange threshold and peak work rate. Two additional constant-load exercise tests were performed at the same intensity on days 3 and 4 in a random order to either 50 or 75% TTE...
April 1, 2018: Journal of Applied Physiology
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