نتایج جستجو برای: respiratory volumes

تعداد نتایج: 256980  

Journal: :Arquivos de neuro-psiquiatria 1996
P A Saraiva J L de Assis P E Marchiori

Myasthenic gravis may affect both inspiratory and expiratory muscles. Respiratory involvement occurred in almost all patients with myasthenia gravis in all clinical forms of the disease: 332 lung function tests done in 324 myasthenic patients without respiratory symptoms (age 34.6 +/- 18.3 years) were examined. Lung volumes analysis showed that all the patients of both sexes with generalized or...

Journal: :Respiratory care 2011
Richard M Ford

The basic human-resources management tenets of attract, retain, and motivate the best practitioners remain at the core of management focus; however, time standards, volumes, staffing variables, and flexible budgets are concepts that have become increasingly important in managing respiratory care departments. Labor productivity is one of the most important priorities of any business, and labor i...

Journal: :International journal on bioinformatics & biosciences 2023

With the development of computer -systems that can collect and analyze enormous volumes data, medical profession is establishing several non-invasive tools. This work attempts to develop a technique for identifying respiratory sounds acquired by stethoscope voice recording software via machine learning techniques. study suggests trained proven CNN-based approach categorizing sounds. A visual re...

Journal: :British journal of anaesthesia 1977
S M Gregoretti B J Pleuvry

Certain actions of doxapram, administered alone and in combination with morphine, have been examined in the rabbit and the mouse. Single doses of doxapram were capable of stimulating respiration in both species. There was an increase in tidal volume in the rabbit and an increase in respiratory rate in the mouse. In both species the duration of action of single doses of doxapram was less than 15...

2012
Franco Pasqua

There is body of evidence regarding the efficacy of Pulmonary Rehabilitation (PR) in the comprehensive management of patients with respiratory disease, and PR programs are practiced worldwide. Positive results in terms of improvement in dyspnoea, exercise capacity and Quality of Life (QoL) are recognized in Chronic Obstructive Pulmonary Disease (COPD). However PR is beneficial in other forms of...

Journal: :Pediatrics in review 1999
E C Eichenwald A R Stark

Lung injury remains an important cause of morbidity among newborns who require assisted ventilation. Studies in immature animal models of respiratory distress syndrome (RDS) have shown that positivepressure ventilation with large tidal volumes damages pulmonary capillary endothelium, alveolar and airway epithelium, and basement membranes. This mechanical damage results in leakage of fluid, prot...

Journal: :Medical image analysis 2014
Christian F. Baumgartner Christoph Kolbitsch Daniel R. Balfour Paul K. Marsden Jamie McClelland Daniel Rueckert Andrew P. King

Respiratory motion is a complicating factor in PET imaging as it leads to blurring of the reconstructed images which adversely affects disease diagnosis and staging. Existing motion correction techniques are often based on 1D navigators which cannot capture the inter- and intra-cycle variabilities that may occur in respiration. MR imaging is an attractive modality for estimating such motion mor...

2013
Peter M Spieth Andreas Güldner Robert Huhle Alessandro Beda Thomas Bluth Dierk Schreiter Max Ragaller Birgit Gottschlich Thomas Kiss Samir Jaber Paolo Pelosi Thea Koch Marcelo Gama de Abreu

INTRODUCTION This study aims at comparing the very short-term effects of conventional and noisy (variable) pressure support ventilation (PSV) in mechanically ventilated patients with acute hypoxemic respiratory failure. METHODS Thirteen mechanically ventilated patients with acute hypoxemic respiratory failure were enrolled in this monocentric, randomized crossover study. Patients were mechani...

Journal: :Thorax 1992
S Javaheri L Sicilian

BACKGROUND The aim of this study was to determine the relation between the severity of abnormalities in ventilatory function tests and tidal breathing pattern and gas exchange indices in interstitial lung disease. METHODS Pulmonary function, ventilation, carbon dioxide production, oxygen consumption, arterial blood gas tensions, and pH were measured during resting steady state conditions in 6...

2012
Alan de Klerk Antonio M. Esquinas

Heat and moisture exchangers (HMEs) have been increasingly used for humidification during mechanical ventilation in pediatric patients [1]. However, efficacy of HMEs in the pediatric population has not yet been fully evaluated and there is limited information in the literature regarding the effects of ventilator settings and endotracheal tube (ETT) leakage on the humidification performance of H...

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