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Diaphragmatic breathing

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https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#1
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28426162/motion-corrected-simultaneous-cardiac-positron-emission-tomography-and-coronary-mr-angiography-with-high-acquisition-efficiency
#2
Camila Munoz, Radhouene Neji, Gastão Cruz, Andrew Mallia, Sami Jeljeli, Andrew J Reader, Rene M Botnar, Claudia Prieto
PURPOSE: Develop a framework for efficient free-breathing simultaneous whole-heart coronary magnetic resonance angiography (CMRA) and cardiac positron emission tomography (PET) on a 3 Tesla PET-MR system. METHODS: An acquisition that enables nonrigid motion correction of both CMRA and PET has been developed. The proposed method estimates translational motion from low-resolution 2D MR image navigators acquired at each heartbeat and 3D nonrigid respiratory motion between different respiratory bins from the CMRA data itself...
April 20, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28390638/treatment-of-idiopathic-diaphragm-flutter-a-case-study
#3
Michael Chiou, María Victoria Herrero, John R Bach, Jeffrey L Cole, Enrique Luis Gonzales
Diaphragm flutter is a rare disorder defined by dyspnea and often thoracoabdominal pain associated with rapid rhythmic involuntary contractions of the diaphragm with no effective treatment. A 35-year-old woman's flutter was triggered by increasing the depth of breathing and by (electrical) stimulation of the diaphragm. Medical therapy, phrenic nerve crush, and diaphragm pacer stimulation were ineffective. Since increasing diaphragm activity was a trigger, resting the diaphragm was tried. A manual resuscitator and, subsequently, mouthpiece and nasal noninvasive ventilatory support (NVS) instantaneously halted the flutter for 3 months and almost instantaneously for another 6 months...
April 2017: Chest
https://www.readbyqxmd.com/read/28379365/new-technique-of-diaphragmatic-plication-by-means-of-uniportal-video-assisted-thoracoscopic-surgery
#4
Davor Stamenovic
Diaphragmatic plication has been a well employed method for the treatment of diaphragmatic eventration and/or paralysis. Uniportal thoracoscopic procedures seem to offer substantial benefit in terms of postoperative pain and cosmesis with similar outcomes as other surgical techniques. A 60-year-old female patient was referred to our clinic for the surgical treatment of diaphragmatic eventration of an unknown cause. The patient was referred to our institution from another hospital, where she had undergone a femoro-popliteal and crural bypass which was unsuccessful, requiring amputation of her leg...
April 3, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28373916/acute-gastric-volvulus-and-atrial-fibrillation-with-rvr-a-coincidence-or-association
#5
Omar Nadhem, Omar Salh, Faisal Khasawneh
Gastric volvulus is a rare and life-threatening condition that involves the abnormal rotation of the stomach around its axis by more than 180°. The association between acute gastric volvulus and atrial fibrillation with rapid ventricular response is rare with only few cases that have been reported. Our patient was an 86-year-old female who presented with upper abdominal pain, distension, nausea, and shortness of breath. Clinical and laboratory workup revealed acute gastric volvulus with diaphragmatic hernia...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28372949/sleep-disordered-breathing-in-neuromuscular-disease-diagnostic-and-therapeutic-challenges
#6
REVIEW
Loutfi S Aboussouan, Eduardo Mireles-Cabodevila
Normal sleep related rapid eye movement sleep atonia, reduced lung volumes, reduced chemosensitivity, and impaired airway dilator activity, become significant vulnerabilities in the setting of neuromuscular disease. In that context, the compounding effects of respiratory muscle weakness and disease-specific features that promote upper airway collapse or cause dilated cardiomyopathy, contribute to various sleep-disordered breathing events. The reduction in lung volumes with neuromuscular disease is further compromised by sleep and the supine position, exaggerating the tendency for upper airway collapse and desaturation with sleep-disordered breathing events...
March 31, 2017: Chest
https://www.readbyqxmd.com/read/28361079/ultrasound-to-assess-diaphragmatic-function-in-the-critically-ill-a-critical-perspective
#7
EDITORIAL
Mark Haaksma, Pieter Roel Tuinman, Leo Heunks
Ultrasound of the diaphragm in critically ill patients has become a diagnostic technique of emerging interest among clinicians and scientists. The advantages include that it is widely available, non-invasive and examination can be performed after relatively short training and at low costs. It is used to estimate muscle mass by measurement of muscle thickness and diagnose weakness by the assessment of diaphragm movement during unassisted breathing. Thickening of the muscle during inspiration has been used to quantify force generation...
March 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28358826/a-growing-animal-model-for-neonatal-repair-of-large-diaphragmatic-defects-to-evaluate-patch-function-and-outcome
#8
Mary Patrice Eastwood, Luc Joyeux, Savitree Pranpanus, Johannes Van der Merwe, Eric Verbeken, Stephanie De Vleeschauwer, Ghislaine Gayan-Ramirez, Jan Deprest
OBJECTIVES: We aimed to develop a more representative model for neonatal congenital diaphragmatic hernia repair in a large animal model, by creating a large defect in a fast-growing pup, using functional pulmonary and diaphragmatic read outs. BACKGROUND: Grafts are increasingly used to repair congenital diaphragmatic hernia with the risk of local complications. Growing animal models have been used to test novel materials. METHODS: 6-week-old rabbits underwent fiberoptic intubation, left subcostal laparotomy and hemi-diaphragmatic excision (either nearly complete (n = 13) or 3*3cm (n = 9)) and primary closure (Gore-Tex patch)...
2017: PloS One
https://www.readbyqxmd.com/read/28356647/the-effects-of-exercise-training-using-transcranial-direct-current-stimulation-tdcs-on-breathing-in-patients-with-chronic-stroke-patients
#9
Dong-Jin Lee, Yeon-Seop Lee, Hyun-Jin Kim, Tae-Hwa Seo
[Purpose] This study was conducted to investigate the effect of exercise training using transcranial direct current stimulation (tDCS) on breathing in patients with chronic stroke patients. [Subjects and Methods] Thirty chronic stroke patients who do not show abnormal response to electric stimulation were enrolled in this study and each 15 subjects were randomized either into the study group and the sham-controlled group. The subjects performed diaphragmatic breathing exercise for 20 minutes while tDCS device was attached to them (for study group, the device was on while for the sham-controlled group, the device was turned off 30 seconds later) [Results] The results of FVC, FEF1 and FEV1/FVC in the study group and those of FVC and FEV1 in the sham-controlled group were significantly increased after the breathing exercise...
March 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28292963/electrical-activity-of-the-diaphragm-during-ncpap-and-high-flow-nasal-cannula
#10
C G de Waal, G J Hutten, J V Kraaijenga, F H de Jongh, A H van Kaam
OBJECTIVE: To determine if the electrical activity of the diaphragm, as measure of neural respiratory drive and breathing effort, changes over time in preterm infants transitioned from nasal continuous positive airway pressure (nCPAP) to high flow nasal cannula (HFNC). DESIGN: Prospective observational study. SETTING: Neonatal intensive care unit. PATIENTS: Stable preterm infants transitioned from nCPAP to HFNC using a 1:1 pressure to flow ratio...
March 14, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28277885/regional-ventilation-is-the-main-determinant-of-alveolar-deposition-of-coarse-particles-in-the-supine-healthy-human-lung-during-tidal-breathing
#11
Rui Carlos Sá, Kirby L Zeman, William D Bennett, G Kim Prisk, Chantal Darquenne
BACKGROUND: To quantify the relationship between regional lung ventilation and coarse aerosol deposition in the supine healthy human lung, we used oxygen-enhanced magnetic resonance imaging and planar gamma scintigraphy in seven subjects. METHODS: Regional ventilation was measured in the supine posture in a 15 mm sagittal slice of the right lung. Deposition was measured by using planar gamma scintigraphy (coronal scans, 40 cm FOV) immediately postdeposition, 1 hour 30 minutes and 22 hours after deposition of (99m)Tc-labeled particles (4...
March 9, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28260954/low-power-system-for-the-acquisition-of-the-respiratory-signal-of-neonates-using-diaphragmatic-electromyography
#12
Róbinson Torres, Sergio López-Isaza, Elisa Mejía-Mejía, Viviana Paniagua, Víctor González
INTRODUCTION: An apnea episode is defined as the cessation of breathing for ≥15 seconds or as any suspension of breathing accompanied by hypoxia and bradycardia. Obtaining information about the respiratory system in a neonate can be accomplished using electromyography signals from the diaphragm muscle. OBJECTIVE: The purpose of this paper is to illustrate a method by which the respiratory and electrocardiographic signals from neonates can be obtained using diaphragmatic electromyography...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28259495/effects-of-diaphragmatic-breathing-patterns-on-balance-a-preliminary-clinical-trial
#13
Rylee J Stephens, Mitchell Haas, William L Moore, Jordan R Emmil, Jayson A Sipress, Alex Williams
OBJECTIVE: The purpose of this study was to determine the feasibility of performing a larger study to determine if training in diaphragmatic breathing influences static and dynamic balance. METHODS: A group of 13 healthy persons (8 men, 5 women), who were staff, faculty, or students at the University of Western States participated in an 8-week breathing and balance study using an uncontrolled clinical trial design. Participants were given a series of breathing exercises to perform weekly in the clinic and at home...
March 1, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28253561/the-neurology-of-acutely-failing-respiratory-mechanics
#14
Eelco F M Wijdicks
Forces involved in breathing-which effectively pull in air-are the diaphragmatic, intercostal, spine, and neck muscles. Equally important is the bulbar musculature maintaining the architecture of a patent airway conduit and abdominal wall and internal intercostal muscles providing cough. Acute injury along a neural trajectory from brainstem to muscle will impair the coordinated interaction between these muscle groups. Acutely failing respiratory mechanics can be caused by central and peripheral lesions. In central lesions, the key lesion is in the nucleus ambiguus innervating the dilator muscles of the soft palate, pharynx, and larynx, but abnormal respiratory mechanics rarely coincide with abnormalities of the respiratory pattern generator...
April 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28223038/nanoconjugate-bound-adenosine-a1-receptor-antagonist-enhances-recovery-of-breathing-following-acute-cervical-spinal-cord-injury
#15
Zeljka Minic, Sharowyn Wilson, Fangchao Liu, Abdulghani Sankari, Guangzhao Mao, Harry Goshgarian
Respiratory complications in patients with spinal cord injury (SCI) are common and can have a negative impact on the quality of patients' lives. Previously, we found that intradiaphragmatic administration of the nanoconjugate-bound A1 adenosine receptor antagonist, 1,3-dipropyl-8-cyclopentylxanthine (DPCPX) induced recovery of diaphragm function following SCI in rats. When administered immediately following the injury, recovery was observed as early as 3days following SCI and it persisted until the end of the study, 28days after the drug delivery...
February 20, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28215134/drainage-of-pleural-effusion-improves-diaphragmatic-function-in-mechanically-ventilated-patients
#16
Michele Umbrello, Giovanni Mistraletti, Andrea Galimberti, Ilaria R Piva, Ottavia Cozzi, Paolo Formenti
BACKGROUND: Pleural effusion adversely affects the pressuregenerating capacity of the diaphragm. It uncouples the lung and chest wall, which may result in diaphragmatic dysfunction. Information on the effects of effusion drainage on diaphragmatic function is limited, but several studies report relief of dyspnoea after drainage, which was attributed to improved diaphragmatic mechanics, even if this issue was never formally addressed. OBJECTIVE: To investigate the effect of drainage of unilateral pleural effusion on diaphragmatic function...
March 2017: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
https://www.readbyqxmd.com/read/28177206/propofol-sedation-reduces-diaphragm-activity-in-spontaneously-breathing-patients-ultrasound-assessment
#17
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)...
March 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28152227/3d-myocardial-t1-mapping-using-saturation-recovery
#18
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
#19
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
#20
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
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