Measurement of pressure-volume curves in patients on mechanical ventilation: methods and significance
AUTOR(ES)
Lu, Qin
FONTE
BioMed Central
RESUMO
Physiological background concerning mechanics of the respiratory system, techniques of measurement and clinical implications of pressure-volume curve measurement in mechanically ventilated patients are discussed in the present review. The significance of lower and upper inflection points, the assessment of positive end-expiratory pressure (PEEP)-induced alveolar recruitment and overdistension and rationale for optimizing ventilatory settings in patients with acute lung injury are presented. Evidence suggests that the continuous flow method is a simple and reliable technique for measuring pressure-volume curves at the bedside. In patients with acute respiratory failure, determination of lower and upper inflection points and measurement of respiratory compliance should become a part of the routine assessment of lung injury severity, allowing a bedside monitoring of the evolution of the lung disease and an optimization of mechanical ventilation.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=137332Documentos Relacionados
- A sigmoidal fit for pressure-volume curves of idiopathic pulmonary fibrosis patients on mechanical ventilation: clinical implications
- Multipoint determination of pressure-volume curves in human intervertebral discs.
- PRESSURE-VOLUME CHARACTERISTICS OF THE HUMAN COLON
- Exponential analysis of lobar pressure-volume characteristics.
- Exponential analysis of lobar pressure-volume characteristics
