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Diaphragmatic breathing

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https://www.readbyqxmd.com/read/28177206/propofol-sedation-reduces-diaphragm-activity-in-spontaneously-breathing-patients-ultrasound-assessment
#1
Monica Rocco, Luigi Maggi, Giorgio Ranieri, Giovanni Ferrari, Cesare Gregoretti, Giorgio Conti, Roberto A DE Blasi
BACKGROUND: The diaphragm is the most important respiratory muscle in humans, and the close relationship between inspired volume and diaphragmatic movement in normal subjects has led to investigations into diaphragmatic activity using ultrasound, during spontaneous breathing and sedative drug infusion. METHODS: A total of 36 consecutive patients undergoing diagnostic procedures under deep propofol sedation were studied. Ultrasound measurements included the following: diaphragmatic thickening end-inspiration (TEI) and end-expiration (TEE)...
February 8, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28152227/3d-myocardial-t1-mapping-using-saturation-recovery
#2
Giovanna Nordio, Markus Henningsson, Amedeo Chiribiri, Adriana D M Villa, Torben Schneider, René M Botnar
PURPOSE: To propose a 3D quantitative high-resolution T1 mapping technique, called 3D SASHA (saturation-recovery single-shot acquisition), which combines a saturation recovery pulse with 1D-navigator-based-respiratory motion compensation to acquire the whole volume of the heart in free breathing. The sequence was tested and validated both in a T1 phantom and in healthy subjects. MATERIALS AND METHODS: The 3D SASHA method was implemented on a 1.5T scanner. A diaphragmatic navigator was used to allow free-breathing acquisition and the images were acquired with a resolution of 1...
February 2, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28137269/a-diaphragmatic-electrical-activity-based-optimization-strategy-during-pressure-support-ventilation-improves-synchronization-but-does-not-impact-work-of-breathing
#3
Francois Beloncle, Lise Piquilloud, Nuttapol Rittayamai, Christer Sinderby, Hadrien Rozé, Laurent Brochard
BACKGROUND: Poor patient-ventilator synchronization is often observed during pressure support ventilation (PSV) and has been associated with prolonged duration of mechanical ventilation and poor outcome. Diaphragmatic electrical activity (Eadi) recorded using specialized nasogastric tubes is a surrogate of respiratory brain stem output. This study aimed at testing whether adapting ventilator settings during PSV using a protocolized Eadi-based optimization strategy, or Eadi-triggered and -cycled assisted pressure ventilation (or PSVN) could (1) improve patient-ventilator interaction and (2) reduce or normalize patient respiratory effort as estimated by the work of breathing (WOB) and the pressure time product (PTP)...
January 31, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28133553/congenital-diaphragmatic-hernia-presenting-in-a-7-day-old-infant
#4
Christopher Rouse, Luke Schmidt, Lee Brock, Angela Fagiana
A 7-day-old male infant presented to the emergency room after respiratory distress was noted at an outpatient well child check. On exam, he was observed to have tachypnea, increased work of breathing, and decreased breath sounds on the left side of the chest. On chest X-ray, he was found to have a left-sided congenital diaphragmatic hernia. The infant was transported to a tertiary care facility where the defect was repaired without complication. Interestingly, the mother had a history of a normal antenatal ultrasound, completed at 19 + 2 weeks of gestational age...
2017: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/28100203/diaphragmatic-breathing-during-virtual-reality-exposure-therapy-for-aviophobia-functional-coping-strategy-or-avoidance-behavior-a-pilot-study
#5
Youssef Shiban, Julia Diemer, Jana Müller, Johanna Brütting-Schick, Paul Pauli, Andreas Mühlberger
BACKGROUND: Although there is solid evidence for the efficacy of in vivo and virtual reality (VR) exposure therapy for a specific phobia, there is a significant debate over whether techniques promoting distraction or relaxation have impairing or enhancing effects on treatment outcome. In the present pilot study, we investigated the effect of diaphragmatic breathing (DB) as a relaxation technique during VR exposure treatment. METHOD: Twenty-nine patients with aviophobia were randomly assigned to VR exposure treatment either with or without diaphragmatic breathing (six cycles per minute)...
January 18, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28065378/difference-in-diaphragmatic-motion-during-tidal-breathing-in-a-standing-position-between-copd-patients-and-normal-subjects-time-resolved-quantitative-evaluation-using-dynamic-chest-radiography-with-flat-panel-detector-system-dynamic-x-ray-phrenicography
#6
Yoshitake Yamada, Masako Ueyama, Takehiko Abe, Tetsuro Araki, Takayuki Abe, Mizuki Nishino, Masahiro Jinzaki, Hiroto Hatabu, Shoji Kudoh
OBJECTIVES: To quantitatively compare diaphragmatic motion during tidal breathing in a standing position between chronic obstructive pulmonary disease (COPD) patients and normal subjects using dynamic chest radiography. MATERIALS AND METHODS: Thirty-nine COPD patients (35 males; age, 71.3±8.4years) and 47 normal subjects (non-smoker healthy volunteers) (20 males; age, 54.8±9.8years) underwent sequential chest radiographs during tidal breathing using dynamic chest radiography with a flat panel detector system...
February 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28063152/dysfunction-of-central-control-of-breathing-in-amyotrophic-lateral-sclerosis
#7
Bradley N Howell, Daniel S Newman
Dysfunction in central control of breathing in some amyotrophic lateral sclerosis (ALS) patients is not adequately detected with standard evaluation for respiratory dysfunction. Nocturnal oximetry reveals periodic desaturations despite normal respiratory muscle movements. Continuous diaphragmatic electromyography has provided in vivo data consistent with impaired central control of diaphragm motor units. Current understanding of central control of breathing identifies the pre-Botzinger complex as the inspiratory rhythm generator...
January 7, 2017: Muscle & Nerve
https://www.readbyqxmd.com/read/28054365/mapping-for-acute-transvenous-phrenic-nerve-stimulation-study-maps-study
#8
Lukas R C Dekker, Bart Gerritse, Avram Scheiner, Lilian Kornet
AIMS: Central Sleep Apnea Syndrome, correlated with the occurrence of heart failure, is characterized by periods of insufficient ventilation during sleep. This acute study in 15 patients aims to map the venous system and determine, if diaphragmatic movement can be achieved by phrenic nerve stimulation at various locations within the venous system. METHODS: Subjects underwent a scheduled catheter ablation procedure. During the procedural waiting time, one multi-electrode EP catheter was subsequently placed at the the superior and inferior vena cava and the junctions of the left jugular and left brachiocephalic vein and right jugular and right brachiocephalic vein, for phrenic nerve stimulation (1-2 seconds ON / 2-3 seconds OFF, 40 Hz, pulse width 210 μs)...
January 5, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28048704/mo-fg-bra-09-towards-an-optimal-breath-holding-procedure-for-radiotherapy-differences-in-organ-motion-during-inhalation-and-exhalation-breath-holds
#9
E Lens, O Gurney-Champion, A van der Horst, D Tekelenburg, Z van Kesteren, M Parkes, G van Tienhoven, A Nederveen, A Bel
PURPOSE: Breath-holding (BH) is often used to reduce organ motion during radiotherapy. The aim of this study was to determine the differences in pancreatic and diaphragmatic motion during BH between inhalation and exhalation BHs with variable lung volumes and to investigate whether motion increases/decreases during BH. METHODS: Sixteen healthy volunteers were asked to perform four different 60-second BHs, from fully inflated to fully deflated lungs (i.e. lung volumes of: 100%, ∼70%, ∼30% and 0% of inspiratory capacity) three times (total of 192 BHs)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046287/su-f-j-120-evaluation-of-the-combined-effect-of-body-orientation-and-breathing-on-organ-movement-in-thorax-using-multi-step-deformable-image-registration
#10
C Guy, E Weiss, S Che, W Sleeman, N Mukhopadhyay, M Rosu
PURPOSE: Use deformable registration to map more complex anatomies that include changes associated with both different body positions and breathing, and evaluate the resultant respiratory excursions for tumors and relevant organs at risk. METHODS: Same-day exhale and inhale datasets from prone and supine 4D CT scans of lung cancer patients have been registered using the Elastix software package through a 3 step process: (1) rigid registration for bony alignment (2) deformable multiresolution B-Spline registration of entire anatomy (3) deformable multiresolution B-Spline registration of lung parenchyma (to improve lung vasculature alignment)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28040503/are-interferential-electrical-stimulation-and-diaphragmatic-breathing-exercises-beneficial-in-children-with-bladder-and-bowel-dysfunction
#11
Vesna D Zivkovic, Ivona Stankovic, Lidija Dimitrijevic, Mirjana Kocic, Hristina Colovic, Marina Vlajkovic, Andjelka Slavkovic, Milica Lazovic
OBJECTIVE: To evaluate the effects of interferential current (IC) stimulation and diaphragmatic breathing exercises (DBEs) in children with bladder and bowel dysfunction. PATIENTS AND METHODS: Seventy-nine children with dysfunctional voiding and chronic constipation who were failures of primary care interventions were included in the prospective clinical study. All the children were checked for their medical history regarding lower urinary tract symptoms and bowel habits...
December 28, 2016: Urology
https://www.readbyqxmd.com/read/28040456/exhaled-breath-condensate-analysis-from-intubated-newborns-by-nano-hplc-coupled-to-high-resolution-ms
#12
A S Kononikhin, N L Starodubtseva, V V Chagovets, A Y Ryndin, A A Burov, I A Popov, A E Bugrova, R A Dautov, A O Tokareva, Y L Podurovskaya, O V Ionov, V E Frankevich, E N Nikolaev, G T Sukhikh
Invasiveness of examination and therapy methods is a serious problem for intensive care and nursing of premature infants. Exhaled breath condensate (EBC) is the most attractive biofluid for non-invasive methods development in neonatology for monitoring the status of intubated infants. The aim of the study was to propose an approach for EBC sampling and analysis from mechanically ventilated neonates. EBC collection system with good reproducibility of sampling was demonstrated. Discovery-based proteomic and metabolomic studies were performed using nano-HPLC coupled to high resolution MS...
December 23, 2016: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/27989446/time-resolved-quantitative-analysis-of-the-diaphragms-during-tidal-breathing-in-a-standing-position-using-dynamic-chest-radiography-with-a-flat-panel-detector-system-dynamic-x-ray-phrenicography-initial-experience-in-172-volunteers
#13
Yoshitake Yamada, Masako Ueyama, Takehiko Abe, Tetsuro Araki, Takayuki Abe, Mizuki Nishino, Masahiro Jinzaki, Hiroto Hatabu, Shoji Kudoh
RATIONALE AND OBJECTIVES: Diaphragmatic motion in a standing position during tidal breathing remains unclear. The purpose of this observational study was to evaluate diaphragmatic motion during tidal breathing in a standing position in a health screening center cohort using dynamic chest radiography in association with participants' demographic characteristics. MATERIALS AND METHODS: One hundred seventy-two subjects (103 men; aged 56.3 ± 9.8 years) underwent sequential chest radiographs during tidal breathing using dynamic chest radiography with a flat panel detector system...
December 15, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27925652/inclusion-of-a-rest-period-in-diaphragmatic-breathing-increases-high-frequency-heart-rate-variability-implications-for-behavioral-therapy
#14
Matthew E B Russell, April B Scott, Ian A Boggero, Charles R Carlson
Heart rate variability (HRV) is associated with positive physiological and psychological effects. HRV is affected by breathing parameters, yet debate remains regarding the best breathing interventions for strengthening HRV. The objective of the current study was to test whether the inclusion of a postexhalation rest period was effective at increasing HRV, while controlling for breathing rate. A within-subject crossover design was used with 40 participants who were assigned randomly to a breathing pattern including a postexhalation rest period or a breathing pattern that omitted the postexhalation rest period...
December 7, 2016: Psychophysiology
https://www.readbyqxmd.com/read/27922742/the-diaphragm-acts-as-a-brake-during-expiration-to-prevent-lung-collapse
#15
Mariangela Pellegrini, Göran Hedenstierna, Agneta Roneus, Monica Segelsjö, Anders Larsson, Gaetano Perchiazzi
RATIONALE: The diaphragm is the major inspiratory muscle and is assumed to relax during expiration. However, electrical post-inspiratory activity has been observed. Whether or not there is an expiratory diaphragmatic contraction that preserves lung patency has yet to be explored. OBJECTIVE: We hypothesized the occurrence of an expiratory diaphragmatic contraction directed at stabilizing peripheral airways and preventing or reducing cyclic expiratory lung collapse...
December 6, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27902641/diaphragmatic-and-intercostal-electromyographic-activity-during-neostigmine-sugammadex-and-neostigmine-sugammadex-enhanced-recovery-after-neuromuscular-blockade-a-randomised-controlled-volunteer-study
#16
Guy Cammu, Tom Schepens, Nikolaas De Neve, Davina Wildemeersch, Luc Foubert, Philippe G Jorens
BACKGROUND: Electromyographic activity of the diaphragm (EMGdi) during weaning from mechanical ventilation is increased after sugammadex compared with neostigmine. OBJECTIVE: To determine the effect of neostigmine on EMGdi and surface EMG (sEMG) of the intercostal muscles during antagonism of rocuronium block with neostigmine, sugammadex and neostigmine followed by sugammadex. DESIGN: Randomised, controlled, double-blind study. SETTING: Intensive care research unit...
January 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/27843054/a-systematic-review-and-meta-analysis-of-randomized-and-nonrandomized-trials-of-clinical-emotional-freedom-techniques-eft-for-the-treatment-of-depression
#17
Jerrod A Nelms, Liana Castel
BACKGROUND: Among a group of therapies collectively known as energy psychology (EP), emotional freedom techniques (EFT) is the most widely practiced. Clinical EFT is an evidence-based practice combining elements of cognitive and exposure therapies with the manual stimulation of acupuncture points (acupoints). Lacking is a recent quantitative meta-analysis that enhances understanding of the variability and clinical significance of outcomes after clinical EFT treatment in reducing depression...
November 2016: Explore: the Journal of Science and Healing
https://www.readbyqxmd.com/read/27798315/detection-of-ventilator-autotriggering-by-an-esophageal-catheter-used-to-monitor-the-neural-input-and-diaphragm-excitation
#18
Harbaksh Sangha, Troy Whitacre
Patient-ventilator synchrony has been the focus of attention in the field of mechanical ventilation for quite some time now. Toward that end, the modern ventilators are equipped with very sensitive pneumatic triggering mechanisms, which allow for minimal wasting of patient effort. The increasingly sensitive pneumatic triggers have the potential to cause autotriggering, where stimuli other than neural signals (eg, cardiac oscillations) can trigger the mechanical breath. Although autotriggering has been well documented in brain-dead patients, its existence is difficult to prove in patients who have the ability to trigger breath through neural diaphragmatic activity...
October 25, 2016: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/27793867/non-traumatic-trans-diaphragmatic-intercostal-hernia-and-cor-pulmonale-in-a-patient-with-poorly-controlled-obstructive-sleep-apnoea
#19
Syed Basharath Mehdi, Salem Madi, Jordan Sudworth
Trans-diaphragmatic intercostal hernia is a rare entity. Patient with multiple medical comorbidities, including obstructive sleep apnoea, presents with shortness of breath, leg oedema and a bulging swelling through the right chest wall. CT shows partial herniation of the right lung and liver through intercostal space and an echocardiogram reveals right heart failure. He was treated initially with continuous positive airway pressure with poor response and subsequently treated with adaptive servo ventilation with much better symptomatic relief and treatment tolerance...
October 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27788555/-ventilatory-support-and-management-of-secretions-in-amyotrophic-lateral-sclerosis
#20
M Boentert, P Young
The term amyotrophic lateral sclerosis (ALS) comprises a group of motor neuron diseases which are characterized by rapid disease progression and poor prognosis which is mostly due to severe respiratory muscle weakness and its sequelae. Since causative treatment options are limited it is crucial to offer comprehensive symptomatic therapies to affect patients. Symptoms of respiratory muscle weakness, sleep-disordered breathing and, subsequently, chronic hypercapnic respiratory failure are known to severely affect health-related quality of life and social functioning of patients with ALS...
October 2016: Fortschritte der Neurologie-Psychiatrie
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