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21 Φεβ 2018 · One theory maintains that the pleura serves as an elastic serous membrane to allow changes in lung shape with respiration, whereas others suggest that the slightly negative pleural pressure...
- Intrapleural Use of Tissue Plasminogen Activator and Dnase in Pleural Infection
More than 30% of patients with pleural infection either die...
- Buffalo Chest
A. S. Benian, A. E. Iudin, M. P. Airapetova, Rare...
- NEJM
Leuallen, E. C., and Carr. D. T. Pleural effusion:...
- Intrapleural Use of Tissue Plasminogen Activator and Dnase in Pleural Infection
Pleural pressure, or Ppl, is the pressure surrounding the lung, within the pleural space. During quiet breathing, the pleural pressure is negative; that is, it is below atmospheric pressure. The pleura is a thin membrane which invests the lungs and lines the walls of the thoracic cavity.
Another study of 57 patients identified 9 with post-thoracentesis pneumothorax. 58 In those with pneumothorax, the most negative pleural pressure during thoracentesis was −10.8 cm H 2 O in patients with an expandable lung and −17.3 cm H 2 O in those with a nonexpandable lung.
9 Ιαν 2023 · The direct measurement of pleural pressures during thoracentesis is known as pleural manometry. The indications, technique, and interpretation of pleural pressures during pleural fluid manometry will be reviewed here.
3 Σεπ 2017 · Subatmospheric pleural pressure (Ppl), which is approximately −3 to −5 cmH2O at functional residual capacity (FRC) makes pleura a unique organ in the human body. The negative Ppl is critical for maintaining the lungs in a properly inflated state and for proper blood circulation within the thorax.
Excessively negative pleural pressure compared to the normal state is present during both inhalation and exhalation, and shifts the balance of Starling forces that are responsible for the production of pleural fluid such that more fluid moves into the pleural space.
24 Ιουλ 2023 · The pleural cavity always maintains a negative pressure. During inspiration, its volume expands, and the intrapleural pressure drops. This pressure drop decreases the intrapulmonary pressure as well, expanding the lungs and pulling more air into them.
