2000
DOI: 10.1097/00003246-200001000-00029
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Regional pressure volume curves by electrical impedance tomography in a model of acute lung injury

Abstract: Using EIT, determination of LIP and UDP from the regional PI curves is possible. The obtained information from the regional PI curves may help in understanding alveolar recruitment. The use of this new bedside technique for clinical decision making remains to be examined.

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Cited by 101 publications
(88 citation statements)
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“…The application of moderate levels of external PEEP (6 ¡ 2 cmH 2 O) abolished intrinsic PEEP and LIP, reduced time constants and increased compliance of the respiratory system, suggesting the homogenisation of alveolar ventilation. The P/V curve of the respiratory system reflects, therefore, different lung regions with heterogeneous mechanical properties and is a composite of multiple regional P/V curves [35].…”
Section: Interpretation Of the Pressure/volume Curve: A New Insightmentioning
confidence: 99%
“…The application of moderate levels of external PEEP (6 ¡ 2 cmH 2 O) abolished intrinsic PEEP and LIP, reduced time constants and increased compliance of the respiratory system, suggesting the homogenisation of alveolar ventilation. The P/V curve of the respiratory system reflects, therefore, different lung regions with heterogeneous mechanical properties and is a composite of multiple regional P/V curves [35].…”
Section: Interpretation Of the Pressure/volume Curve: A New Insightmentioning
confidence: 99%
“…This adjustment (Eq. (18) and Table 3) characterizes the condition of sickness, in our case the COPD, in a group of subjects. The most important parameters involved in the COPD adjustment equations were subscapular skinfold and height.…”
Section: Discussionmentioning
confidence: 99%
“…Different research groups have used the EIT technique in order to describe the behavior of respiratory pattern (RP) [12,13] and detect lung diseases. Some important pneumological applications by using EIT are: (1) the development of an artificial pneumothorax in a controlled experimental setting [14,15], (2) the quantification of the amount of fluid volume in lungs [16,17] and (3) the determination of regional pressure-volume curves [18][19][20]. However, the most important EIT application in pneumology area is the regional lung ventilation monitoring as a function of positive end-expiratory pressure (PEEP) in patients in use of mechanical ventilation [21][22][23].…”
Section: Introductionmentioning
confidence: 99%
“…A TIE avalia portanto alterações regionais pulmonares, sendo capaz de detectar áreas de colapso e hiperdistensão (58,60) . No entanto, a TIE tem como limitações ser uma técnica que fornece imagens e medidas relativas do pulmão além de assumir que a região avaliada pela cinta de eletrodos, colocada ao redor do tórax, é representativa de todo o pulmão.…”
Section: Ventilação Mecânica Protetora E Sdraunclassified