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Serum angiotensin I converting enzyme (ACE) and lysozyme have been measured in 23 controls, 115 patients with sarcoidosis, and 64 with other chest diseases. Both enzymes were significantly raised in sarcoidosis. ACE was raised above the normal range in 21 of 72 (29%) patients with definite sarcoidosis and in 17 of 38 (45%) of those who were untreated and(More)
Bronchoalveolar lavage was used to sample inflammatory cells from the lungs of 51 patients with cryptogenic fibrosing alveolitis (CFA) (24 smokers, 12 ex-smokers, and 15 non-smokers). The smokers with CFA have been compared with 15 smoking control subjects in whom there was no radiographic abnormality or clinical evidence of chronic bronchitis.(More)
The prognostic implications of pulmonary hypertension in chronic lung disease, and the difficulty in establishing its severity without cardiac catheterisation, indicate the need for a reliable non-invasive method of assessing the pulmonary artery pressure. It is likely that the time taken by the right ventricle to generate a sufficiently high pressure to(More)
alpha 1-antitrypsin (alpha 1-A.T.) phenotypes were determined in 55 patients with rheumatoid arthritis (R.A.), 33 patients with R.A. and either obstructive airways disease or recurrent chest infections, 49 patients with fibrosing alveolitis (F.A.), 22 patients with R.A. and F.A., and 200 healthy controls. A highly significant increase in the frequency of MZ(More)