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Nava ventilation

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https://www.readbyqxmd.com/read/28196820/combined-use-of-neurally-adjusted-ventilatory-assist-nava-and-vertical-expandable-prostethic-titanium-rib-veptr-in-a-patient-with-spondylocostal-dysostosis-and-associated-bronchomalacia
#1
Martí Pons-Odena, Alba Verges, Natalia Arza, Francisco José Cambra
Jarcho-Levin syndrome is a rare disorder characterised by defects in vertebral and costal segmentation of varying severity. Respiratory complications are the main cause of death or severe comorbidity due to a restrictive rib cage. A 3 months old infant with Spondylocostal dysostosis and associated bronchomalacia experiencing severe asynchrony during the weaning process is reported. The Neurally Adjusted Ventilatory Assist (NAVA) mode was used to improve adaptation to mechanical ventilation after Vertical Expandable Prosthetic Titanium Ribs (VEPTRs) were implanted...
February 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28192893/non-invasive-ventilation-improves-respiratory-distress-in-children-with-acute-viral-bronchiolitis-a-systematic-review
#2
Yann Combret, Guillaume Prieur, Pascal LE Roux, Clément Médrinal
BACKGROUND: Non-invasive ventilation (NIV) is a common treatment for bronchiolitis. However, consensus concerning its efficacy is lacking. The aim of this systematic review was to assess NIV effectiveness to reduce respiratory distress. Secondary objectives were to summarize the effects of NIV, identify predictive factors for failure and describe settings and applications. METHODS: Searches were conducted in MEDLINE Pubmed, PEDro, COCHRANE, EMBASE, CINAHL, Web of Science, Up-todate and Sudoc from 1990 to April 2015...
February 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28180985/crossover-study-of-assist-control-ventilation-and-neurally-adjusted-ventilatory-assist
#3
Sandeep Shetty, Katie Hunt, Janet Peacock, Kamal Ali, Anne Greenough
Some studies of infants with acute respiratory distress have demonstrated that neurally adjusted ventilator assist (NAVA) had better short-term results compared to non-triggered or other triggered models. We determined if very prematurely born infants with evolving or established bronchopulmonary dysplasia (BPD) had a lower oxygenation index (OI) on NAVA compared to assist control ventilation (ACV). Infants were studied for 1 h each on each mode. At the end of each hour, blood gas analysis was performed and the OI calculated...
February 8, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28063223/neurally-adjusted-ventilatory-assist-for-infants-under-prolonged-ventilation
#4
Juyoung Lee, Han-Suk Kim, Young Hwa Jung, Chang Won Choi, Yong Hoon Jun
BACKGROUND: Severe bronchopulmonary dysplasia often leads to prolonged mechanical ventilation lasting several months. Cyanotic episodes frequently occur in these patients, necessitating long-term sedation and/or intermittent muscle paralysis. Neurally adjusted ventilatory assist (NAVA) might provide precisely the amount of support that these patients need without sedation. METHODS: We reviewed the medical records of preterm infants who underwent tracheostomy and required mechanical ventilation for >6 months during a period of 6 years...
January 7, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27997251/changes-of-respiratory-mechanics-in-copd-patients-from-stable-state-to-acute-exacerbations-with-respiratory-failure
#5
Piero Ceriana, Michele Vitacca, Annalisa Carlucci, Mara Paneroni, Lara Pisani, Stefano Nava
Symptoms, clinical course, functional and biological data during an exacerbation of chronic obstructive pulmonary disease (EXCOPD) have been investigated, but data on physiological changes of respiratory mechanics during a severe exacerbation with respiratory acidosis requiring noninvasive mechanical ventilation (NIMV) are scant. The aim of this study was to evaluate changes of respiratory mechanics in COPD patients comparing data observed during EXCOPD with those observed during stable state in the recovery phase...
December 20, 2016: COPD
https://www.readbyqxmd.com/read/27940767/effective-neurally-adjusted-ventilatory-assist-nava-ventilation-in-a-child-with-jeune-syndrome
#6
Gianluca Cosi, Giulia Genoni, Alice Monzani, Barbara Pilan, Maria Lavrano, Federica Ferrero
Jeune syndrome (asphyxiating thoracic dystrophy) is a rare skeletal dysplasia mainly characterized by dystrophy of the thoracic cage. Neurally adjusted ventilatory assist (NAVA) is a respiratory support in which pressure assistance is provided in proportion to and synchronous with the electrical activity of the diaphragm. We present the case of a 4-month-old infant with asphyxiating thoracic dystrophy and respiratory failure successfully ventilated with NAVA. In this case, NAVA improved patient-ventilator synchrony, reducing endotracheal secretion and gastric overdistention...
November 2016: Pediatrics
https://www.readbyqxmd.com/read/27925855/costs-associated-with-influenza-related-hospitalization-in-the-elderly
#7
Núria Torner, Encarna Navas, Núria Soldevila, Diana Toledo, Gemma Navarro, Aurea Morillo, Maria José Pérez, Angela Domínguez
Seasonal influenza epidemics remain a considerable burden in adults, especially in those at higher risk of complications. The aim of this study was to determine the costs associated with influenza-related hospitalization in patients aged ≥65 y admitted to 20 hospitals from 7 Spanish regions during the 2013-14 and 2014-15 influenza seasons. Bivariate analysis was used to compare costs in vaccinated and unvaccinated cases. Costs were calculated according to the Spanish National Health System diagnosis-related group tables for influenza and other respiratory system conditions (GRD 89 and GRD 101)...
February 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27919117/noninvasive-neurally-adjusted-ventilatory-assist-in-premature-infants-postextubation
#8
Tarah T Colaizy, Gary J Kummet, Colleen M Kummet, Jonathan M Klein
Background Neurally adjusted ventilatory assist (NAVA) has distinct advantages when used invasively compared with conventional ventilation techniques. Evidence supporting the use of noninvasive NAVA is less robust, especially in the very low birth weight (VLBW) population. Objective To determine whether synchronized noninvasive ventilation via neurally adjusted ventilatory assist (NIV NAVA) supports ventilation postextubation in premature infants. Methods A retrospective analysis of a cohort of twenty-four former VLBW (<1...
December 5, 2016: American Journal of Perinatology
https://www.readbyqxmd.com/read/27904565/is-type-2-diabetes-mellitus-in-mechanically-ventilated-adult-trauma-patients-potentially-related-to-the-occurrence-of-ventilator-associated-pneumonia
#9
Hadi Darvishi-Khezri, Abbas Alipour, Amir Emami Zeydi, Abolfazl Firouzian, Ghahraman Mahmudi, Melody Omrani-Nava
BACKGROUND: Ventilator-associated pneumonia (VAP) is a type of lung infection that typically affects critically ill patients undergoing mechanical ventilation (MV) in the intensive care unit (ICU). Patients with type 2 diabetes mellitus (T2DM) are considered to be more susceptible to several types of infections including community-acquired pneumonia. However, it is not clear whether T2DM is a risk factor for the development of VAP. The purpose of this study was to determine the risk of VAP for diabetic and nondiabetic mechanically ventilated trauma patients...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27876160/an-analysis-of-the-radioactive-contamination-due-to-radon-in-a-granite-processing-plant-and-its-decontamination-by-ventilation
#10
Pedro M Dieguez-Elizondo, Tomas Gil-Lopez, Paul G O'Donohoe, Juan Castejon-Navas, Miguel A Galvez-Huerta
This work focuses on studying concentration distribution of (222)Rn radioisotope in a granite processing plant. Using Computational Fluid Dynamic Techniques (CFD), the exposure of the workers to radiation was assessed and, in order to minimise this exposure, different decontamination scenarios using ventilation were analysed. Natural ventilation showed not sufficient to maintain radon concentration below acceptable limits, so a forced ventilation was used instead. Position of the granite blocks also revealed as a determining factor in the radioactive level distribution...
February 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27866528/-effect-of-non-invasive-nava-on-the-patients-with-acute-exacerbation-of-chronic-obstructive-pulmonary-disease
#11
D Q Wang, J Luo, X H Xiong, L H Zhu, W W Zhang
Objective: To observe the effect of non-invasive neurally adjusted ventilatory assist (NIV-NAVA) on patient-ventilator synchrony and effect of gas exchange in patients with acute exacerbation of chronic obstructive pulmonary disease compared with NIV-pressure support ventilation (PSV). Methods: This was a prospective study of 40 patients with AECOPD given 30-min trials of NIV with NIV-PSV group (n=20) and NAVA group (n=20) in random order. Arterial blood gas analysis (ABGs), main asynchrony events and asynchrony index were quantified...
November 15, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27821162/physiological-effects-of-invasive-ventilation-with-neurally-adjusted-ventilatory-assist-nava-in-a-crossover-study
#12
Jean-Michel Liet, François Barrière, Bénédicte Gaillard-Le Roux, Pierre Bourgoin, Arnaud Legrand, Nicolas Joram
BACKGROUND: Neurally Adjusted Ventilatory Assist (NAVA) is a mode of assisted mechanical ventilation that delivers inspiratory pressure proportionally to the electrical activity of the diaphragm. To date, no pediatric study has focused on the effects of NAVA on hemodynamic parameters. This physiologic study with a randomized cross-over design compared hemodynamic parameters when NAVA or conventional ventilation (CV) was applied. METHODS: After a baseline period, infants received NAVA and CV in a randomized order during two consecutive 30-min periods...
November 8, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27749511/early-noninvasive-neurally-adjusted-ventilatory-assist-versus-noninvasive-flow-triggered-pressure-support-ventilation-in-pediatric-acute-respiratory-failure-a-physiologic-randomized-controlled-trial
#13
Giovanna Chidini, Daniele De Luca, Giorgio Conti, Paolo Pelosi, Stefano Nava, Edoardo Calderini
OBJECTIVE: Neurally adjusted ventilatory assist has been shown to improve patient-ventilator interaction in children with acute respiratory failure. Objective of this study was to compare the effect of noninvasive neurally adjusted ventilatory assist versus noninvasive flow-triggered pressure support on patient-ventilator interaction in children with acute respiratory failure, when delivered as a first-line respiratory support. DESIGN: Prospective randomized crossover physiologic study...
November 2016: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/27748627/partial-neuromuscular-blockade-during-partial-ventilatory-support-in-sedated-patients-with-high-tidal-volumes
#14
Jonne Doorduin, Joeke L Nollet, Lisanne H Roesthuis, Hieronymus W H van Hees, Laurent J Brochard, Christer A Sinderby, Johannes G van der Hoeven, Leo M A Heunks
RATIONALE: Controlled mechanical ventilation is used to deliver lung-protective ventilation in patients with acute respiratory distress syndrome. Despite recognized benefits, such as preserved diaphragm activity, partial support ventilation modes may be incompatible with lung-protective ventilation due to high tidal volume and high transpulmonary pressure. As an alternative to high dose sedatives and controlled mechanical ventilation, pharmacologically induced neuromechanical uncoupling of the diaphragm should facilitate lung-protective ventilation under partial support modes...
October 17, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27737690/neurally-adjusted-ventilatory-assist-in-patients-with-acute-respiratory-failure-study-protocol-for-a-randomized-controlled-trial
#15
Jesús Villar, Javier Belda, Jesús Blanco, Fernando Suarez-Sipmann, José Manuel Añón, Lina Pérez-Méndez, Carlos Ferrando, Dácil Parrilla, Raquel Montiel, Ruth Corpas, Elena González-Higueras, David Pestaña, Domingo Martínez, Lorena Fernández, Marina Soro, Miguel Angel García-Bello, Rosa Lidia Fernández, Robert M Kacmarek
BACKGROUND: Patient-ventilator asynchrony is a common problem in mechanically ventilated patients with acute respiratory failure. It is assumed that asynchronies worsen lung function and prolong the duration of mechanical ventilation (MV). Neurally Adjusted Ventilatory Assist (NAVA) is a novel approach to MV based on neural respiratory center output that is able to trigger, cycle, and regulate the ventilatory cycle. We hypothesized that the use of NAVA compared to conventional lung-protective MV will result in a reduction of the duration of MV...
October 13, 2016: Trials
https://www.readbyqxmd.com/read/27686347/neurally-adjusted-ventilatory-assist-as-an-alternative-to-pressure-support-ventilation-in-adults-a-french-multicentre-randomized-trial
#16
A Demoule, M Clavel, C Rolland-Debord, S Perbet, N Terzi, A Kouatchet, F Wallet, H Roze, F Vargas, C Guerin, J Dellamonica, S Jaber, L Brochard, T Similowski
PURPOSE: Neurally adjusted ventilatory assist (NAVA) is a ventilatory mode that tailors the level of assistance delivered by the ventilator to the electromyographic activity of the diaphragm. The objective of this study was to compare NAVA and pressure support ventilation (PSV) in the early phase of weaning from mechanical ventilation. METHODS: A multicentre randomized controlled trial of 128 intubated adults recovering from acute respiratory failure was conducted in 11 intensive care units...
November 2016: Intensive Care Medicine
https://www.readbyqxmd.com/read/27649505/new-setting-of-neurally-adjusted-ventilatory-assist-during-noninvasive-ventilation-through-a-helmet
#17
Gianmaria Cammarota, Federico Longhini, Raffaella Perucca, Chiara Ronco, Davide Colombo, Antonio Messina, Rosanna Vaschetto, Paolo Navalesi
BACKGROUND: Compared to pneumatically controlled pressure support (PSP), neurally adjusted ventilatory assist (NAVA) was proved to improve patient-ventilator interactions, while not affecting comfort, diaphragm electrical activity (EAdi), and arterial blood gases (ABGs). This study compares neurally controlled pressure support (PSN) with PSP and NAVA, delivered through two different helmets, in hypoxemic patients receiving noninvasive ventilation for prevention of extubation failure. METHODS: Fifteen patients underwent three (PSP, NAVA, and PSN) 30-min trials in random order with both helmets...
December 2016: Anesthesiology
https://www.readbyqxmd.com/read/27629375/comparing-changing-neurally-adjusted-ventilatory-assist-nava-levels-in-intubated-and-recently-extubated-neonates
#18
B LoVerde, K S Firestone, H M Stein
OBJECTIVE: Neurally adjusted ventilatory assist (NAVA) is a mode of mechanical ventilation that delivers ventilatory support in synchrony to the patient's respiratory needs using NAVA level, a proportionality constant that converts the electrical activity of the diaphragm (Edi) into a peak pressure (PIP). Recent published studies suggest that neonates can control the delivered ventilatory support through neural feedback. Systematically increasing the NAVA level initially increases the PIP while maintaining a constant Edi until an inflection point or breakpoint (BrP) is reached, at which time the PIP plateaus and the Edi signal decreases...
December 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27502948/neurally-adjusted-ventilatory-assist-nava-in-preterm-newborn-infants-with-respiratory-distress-syndrome-a-randomized-controlled-trial
#19
Merja Kallio, Ulla Koskela, Outi Peltoniemi, Tero Kontiokari, Tytti Pokka, Maria Suo-Palosaari, Timo Saarela
UNLABELLED: Neurally adjusted ventilatory assist (NAVA) improves patient-ventilator synchrony during invasive ventilation and leads to lower peak inspiratory pressures (PIP) and oxygen requirements. The aim of this trial was to compare NAVA with current standard ventilation in preterm infants in terms of the duration of invasive ventilation. Sixty infants born between 28 + 0 and 36 + 6 weeks of gestation and requiring invasive ventilation due to neonatal respiratory distress syndrome (RDS) were randomized to conventional ventilation or NAVA...
September 2016: European Journal of Pediatrics
https://www.readbyqxmd.com/read/27390463/neurally-adjusted-ventilation-assist-in-weaning-difficulty-first-case-report-from-india
#20
Milind Baldi, Inderpaul Singh Sehgal, Sahajal Dhooria, Digambar Behera, Ritesh Agarwal
Invasive mechanical ventilation is an integral component in the management of critically ill patients. In certain situations, liberation from mechanical ventilation becomes difficult resulting in prolonged ventilation. Patient-ventilator dyssynchrony is a frequently encountered reason for difficult weaning. Neurally adjusted ventilatory assist (NAVA) is a novel mode of ventilation that utilizes the electrical activity of diaphragm to pick up respiratory signals and delivers assistance in proportion to the ventilatory requirement of a patient...
June 2016: Indian Journal of Critical Care Medicine
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