pleural effusion

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pleural effusion

[‚plu̇r·əl i′fyü·zhən]
(medicine)
Abnormal accumulation of fluid in the area between the membranes lining the lungs and the chest cavity (the pleural space).
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14) Furthermore, Halla and associates have demonstrated that the pleura and pleural fluid mononuclear cells from patients with rheumatoid pleuritis synthesize IgG and IgM rheumatoid factor.
As with pleural fluid, pleural air can be difficult or impossible to detect by PCXR.
In all, 2,634 (44%) of 6,030 pleural fluid samples yielded bacteria.
3), (6) Concurrently, the serum protein and LDH levels should be determined for comparison with pleural fluid values.
7] A study describing the clinical course and pleural fluid findings in patients with AIDS-associated pleural KS showed that 21/105 (20%) cases had pleuropulmonary KS involvement.
The total protein concentration of the pleural fluid allowed the differential diagnosis between exudate and transudate.
Pleural fluid was a transudate infected by Staphylococcus aureus sensitive to azithromycin which was administered to the patient.
The analysis of pleural fluid adenosine deaminase (ADA) levels in the diagnosis of tuberculous pleural effusion (TPE) was established in 1978 by Piras et al (1).
Interestingly, the plateau pressure (and the tidal compliance calculated from it) may not accurately reflect either lung compression or lung stretch, and is insensitive to the tidal recruitment and de-recruitment cycles that occur with every breath as the building airway pressure pushes the pleural fluid aside.
A definitive diagnosis of TPE requires the presence of granulomas in pleural tissue or a stained AFB or positive culture from the pleural tissue or pleural fluid.
The drainage of pleural fluid through a pleurocentesis or a chest tube may allow access of bacteria to the pleural space, with increased risk of CNS infection.