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Adaptive support ventilation

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https://www.readbyqxmd.com/read/28166828/a-psychological-intervention-to-promote-acceptance-and-adherence-to-non-invasive-ventilation-in-people-with-chronic-obstructive-pulmonary-disease-study-protocol-of-a-randomised-controlled-trial
#1
Eleonora Volpato, Paolo Banfi, Francesco Pagnini
BACKGROUND: People with chronic obstructive pulmonary disease (COPD) sometimes experience anxiety, depression and comorbid cognitive deficits. Rather than being merely a consequence of symptom-related physical impairments these additional problems may be part of the clinical course of the condition. The relationship between the physical and psychological aspects of the condition is illustrated by the patterns of use of non-invasive ventilation (NIV); NIV is often rejected or used inappropriately, resulting in clinical deterioration and an increase in health care costs...
February 6, 2017: Trials
https://www.readbyqxmd.com/read/28165675/intratracheal-administration-of-budesonide-surfactant-in-prevention-of-bronchopulmonary-dysplasia-in-very-low-birth-weight-infants-a-systematic-review-and-meta-analysis
#2
REVIEW
Rohini Venkataraman, Majeeda Kamaluddeen, Shabih U Hasan, Helen Lee Robertson, Abhay Lodha
Despite the near universal adaptation of gentle mechanical ventilation, surfactant use and non-invasive respiratory support, bronchopulmonary dysplasia (BPD) remains one of the most common respiratory morbidities in very low birth weight (VLBW) infants. Thus, the objective of this review was to evaluate the efficacy of intra-tracheal administration of budesonide-surfactant mixture in preventing bronchopulmonary dysplasia (BPD) in very low birth weight (VLBW) infants. MEDLINE, EMBASE, and PubMed were searched for randomized clinical trials in which intra-tracheal administration of budesonide-surfactant was used to prevent BPD in infants...
February 6, 2017: Pediatric Pulmonology
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/28129143/riemannian-geometry-applied-to-detection-of-respiratory-states-from-eeg-signals-the-basis-for-a-brain-ventilator-interface
#4
Xavier Navarro-Sune, Anna L Hudson, Fabrizio De Vico Fallani, Jaques Martinerie, Adrien Witon, Pierre Pouget, Mathieu Raux, Thomas Similowski, Mario Chavez
During mechanical ventilation, patient-ventilator disharmony is frequently observed and may result in increased breathing effort, compromising the patient's comfort and recovery. This circumstance requires clinical intervention and becomes challenging when patients are sedated or verbal communication is difficult. In this work, we propose a brain computer interface (BCI) to automatically and non-invasively detect patient-ventilator disharmony from electroencephalographic (EEG) signals: a brain-ventilator interface...
July 19, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28056816/optimization-of-pressure-settings-during-adaptive-servo-ventilation-support-using-real-time-heart-rate-variability-assessment-initial-case-report
#5
Teruhiko Imamura, Daisuke Nitta, Koichiro Kinugawa
BACKGROUND: Adaptive servo-ventilation (ASV) therapy is a recent non-invasive positive pressure ventilation therapy that was developed for patients with heart failure (HF) refractory to optimal medical therapy. However, it is likely that ASV therapy at relatively higher pressure setting worsens some of the patients' prognosis compared with optimal medical therapy. Therefore, identification of optimal pressure settings of ASV therapy is warranted. CASE PRESENTATION: We present the case of a 42-year-old male with HF, which was caused by dilated cardiomyopathy, who was admitted to our institution for evaluating his eligibility for heart transplantation...
January 5, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28048766/su-g-bra-16-target-dose-comparison-for-dynamic-mlc-tracking-and-mid-ventilation-planning-in-lung-radiotherapy-subject-to-intrafractional-baseline-drifts
#6
M J Menten, M F Fast, S Nill, U Oelfke
PURPOSE: Lung tumor motion during radiotherapy can be accounted for by expanded treatment margins, for example using a mid-ventilation planning approach, or by localizing the tumor in real-time and adapting the treatment beam with multileaf collimator (MLC) tracking. This study evaluates the effect of intrafractional changes in the average tumor position (baseline drifts) on these two treatment techniques. METHODS: Lung stereotactic treatment plans (9-beam IMRT, 54Gy/3 fractions, mean treatment time: 9...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048615/tu-h-202-04-the-vampire-challenge-preliminary-results-from-a-multi-institutional-study-of-ct-ventilation-image-accuracy
#7
J Kipritidis
: CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048557/tu-h-202-00-ct-ventilation-imaging-the-new-clinical-reality-of-functional-avoidance-and-response-assessment-in-lung-cancer-radiation-therapy
#8
Paul Keall
: CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047895/tu-h-202-01-introduction-to-ct-ventilation-imaging-principles-validation-and-clinical-translation
#9
T Yamamoto
: CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047233/tu-h-202-02-applications-validation-clinical-endpoints-and-opportunities-for-ct-ventilation
#10
Y Vinogradskiy
: CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046563/tu-h-202-03-spatial-distributions-of-radiation-induced-pulmonary-changes-can-be-modeled-and-utilized-for-image-guided-planning-and-therapy-to-improve-pulmonary-function-preservation-and-hence-the-therapeutic-ratio-for-lung-cancer
#11
J Bayouth
: CT ventilation imaging is an exciting functional imaging modality that combines four-dimensional computed tomography (4DCT) and deformable image registration (DIR) to provide exquisite ventilation maps of the lung. CT ventilation imaging can be used for: (1) Functional avoidance in thoracic radiation therapy, (2) Imaging longitudinal changes in regional lung function for treatment assessment and adaptation, (3) Image-assisted diagnosis of non-oncologic respiratory diseases. CT ventilation imaging uses CT, a predominantly anatomic imaging modality, and through imaging processing creates functional images...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27903667/experiences-of-noninvasive-ventilation-in-adults-with-hypercapnic-respiratory-failure-a-review-of-evidence
#12
REVIEW
Hamadziripi Ngandu, Nichola Gale, Jane B Hopkinson
Noninvasive ventilation (NIV) has been shown to be beneficial for patients with respiratory failure; however, many patients fail to tolerate it and require other interventions. The objective of this thematic synthesis was to describe the nature of NIV experiences in adults with hypercapnic respiratory failure. A systematic, computerised literature search of English-language databases was undertaken with no restriction on date of publication. A total of 99 papers was identified and screened for eligibility from databases including CINAHL, Medline and PsycINFO, and some were hand searched...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27780589/risk-factors-for-pressure-ulcer-development-in-intensive-care-units-systematic-review
#13
M Lima Serrano, M I González Méndez, F M Carrasco Cebollero, J S Lima Rodríguez
INTRODUCTION: Pressure ulcers represent a significant problem for patients, professionals and health systems. Their reported incidence and prevalence are significant worldwide. Their character iatrogenic states that its appearance is preventable and its incidence is an indicator of scientific and technical quality both in primary care and specialized care. The aim of this review was to identify risk factors associated with the occurrence of pressure ulcers in critically ill patients. METHODOLOGY: The PRISMA Declaration recommendations have been followed and adapted to studies identifying risk factors...
October 22, 2016: Medicina Intensiva
https://www.readbyqxmd.com/read/27742895/hif1%C3%AE-and-physiological-responses-to-hypoxia-are-correlated-in-mice-but-not-in-rats
#14
Alexandra Jochmans-Lemoine, Manju Shahare, Jorge Soliz, Vincent Joseph
We previously reported that rats and mice that have been raised for more than 30 generations in La Paz, Bolivia (3600 m), display divergent physiological responses to high altitude, including improved respiratory and metabolic control in mice. In the present study, we asked whether these traits would also be present in response to hypoxia at sea level. To answer this question, we exposed rats (Sprague Dawley) and mice (FVB) to normoxia (21% O2) or hypoxia (15 and 12% O2) for 6 h and measured ventilation and metabolic rate (whole-body plethysmography), and expression of the transcription factor HIF-1α (ELISA and mass spectrometry) and other proteins whose expression are regulated by hypoxia (glucose transporter 1, pyruvate dehydrogenase kinase 1 and angiopoietin 2; mass spectrometry) in the brainstem...
December 15, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27720457/positive-airway-pressure-therapy-for-obstructive-sleep-apnea
#15
REVIEW
Pnina Weiss, Meir Kryger
Positive airway pressure (PAP) is considered first-line therapy for moderate to severe obstructive sleep apnea and may also be considered for mild obstructive sleep apnea, particularly if it is symptomatic or there are concomitant cardiovascular disorders. Continuous PAP is most commonly used. Other modes, such as bilevel airway pressure, autotitrating positive airway pressure, average volume assured pressure support, and adaptive support ventilation, play important roles in the management of sleep-related breathing disorders...
December 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27643857/tidal-volume-delivery-and-endotracheal-tube-leak-during-cardiopulmonary-resuscitation-in-intubated-newborn-piglets-with-hypoxic-cardiac-arrest-exposed-to-different-modes-of-ventilatory-support
#16
Marc R Mendler, Claudia Weber, Mohammad A Hassan, Li Huang, Benjamin Mayer, Helmut D Hummler
BACKGROUND: There are few data available on the interaction of inflations, chest compressions (CC), and delivery of tidal volumes in newborn infants undergoing resuscitation in the presence of endotracheal tube (ET) leaks. OBJECTIVES: To determine the effects of different respiratory support strategies along with CC on changes in tidal volume and ET leaks in hypoxic newborn piglets with cardiac arrest. METHODS: Asphyxiated newborn piglets, intubated with weight-adapted uncuffed ET, were randomized into three groups and resuscitated according to ILCOR 2010 guidelines: (1) T-piece resuscitator (TPR) group = peak inspiratory pressure (PIP)/positive end-expiratory pressure (PEEP) 25/5 cm H2O, rate 30/min, inflations interposed between CC (3:1 ratio); (2) self- inflating bag (SIB) group = PIP 25 cm H2O without PEEP, rate 30/min, inflations interposed between CC (3:1 ratio), and (3) ventilator group = PIP/PEEP of 25/5 cm H2O, rate 30/min...
2017: Neonatology
https://www.readbyqxmd.com/read/27576350/an-injection-and-mixing-element-for-delivery-and-monitoring-of-inhaled-nitric-oxide
#17
Andrew R Martin, Chris Jackson, Samuel Fromont, Chloe Pont, Ira M Katz, Georges Caillobotte
BACKGROUND: Inhaled nitric oxide (NO) is a selective pulmonary vasodilator used primarily in the critical care setting for patients concurrently supported by invasive or noninvasive positive pressure ventilation. NO delivery devices interface with ventilator breathing circuits to inject NO in proportion with the flow of air/oxygen through the circuit, in order to maintain a constant, target concentration of inhaled NO. METHODS: In the present article, a NO injection and mixing element is presented...
August 30, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/27558734/a-brief-clinical-case-of-monitoring-of-oxygenator-performance-and-patient-machine-interdependency-during-prolonged-veno-venous-extracorporeal-membrane-oxygenation
#18
Mirko Belliato, Antonella Degani, Antonino Buffa, Fabio Sciutti, Michele Pagani, Carlo Pellegrini, Giorgio Antonio Iotti
Monitoring veno-venous extracorporeal membrane oxygenation (vvECMO) during 76 days of continuous support in a 42-years old patient with end-stage pulmonary disease, listed for double-lung transplantation. Applying a new monitor (Landing(®), Eurosets, Medolla, Italy) and describing how measured and calculated parameters can be used to understand the variable interdependency between artificial membrane lung (ML) and patient native lung (NL). During vvECMO, in order to understand how the respiratory function is shared between ML and NL, ideally we should obtain data about oxygen transfer and CO2 removal, both by ML and NL...
August 24, 2016: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/27494714/health-and-social-conditions-in-norwegian-polio-survivors-a-20-year-follow-up-study
#19
Lillian Festvåg, Anne-Kristine Schanke, Nils Erik Gilhus, Sigurd Aarrestad, Kari Lofthus, Stein Johnsen, Geir Strømsholm, Steinar Øyhaugen, Ragnhild Skovly Hartviksen, Johan Kvalvik Stanghelle
OBJECTIVE: To explore the physical and social situation of the Norwegian polio population in 2014, and to compare the status of this population in 2014 with the results of a similar survey carried out 20 years previously, in 1994. DESIGN: The study was based on a questionnaire covering demographics, polio history, and current medical, psychological and social conditions. SUBJECTS: The questionnaire was prepared in cooperation with the National Society of Polio Survivors and others with known polio (n = 1,968)...
October 5, 2016: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/27484461/construction-and-internal-validation-of-a-new-mortality-risk-score-for-patients-admitted-to-the-intensive-care-unit
#20
Cristina Dólera-Moreno, Antonio Palazón-Bru, Francisco Colomina-Climent, Vicente Francisco Gil-Guillén
BACKGROUND: The existing models to predict mortality in intensive care units (ICU) present difficulties in clinical practice. OBJECTIVES: The aim of this study was to develop and internally validate a points system to predict mortality in the ICU, which can be applied instantly and with high discriminating power. METHODS: This cohort study comprised all patients admitted to the ICU in a Spanish region between January 2013 and April 2014, followed from admission to death or discharge (N=1113)...
November 2016: International Journal of Clinical Practice
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