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  • Title: Hyaluronan and procollagen type III aminoterminal peptide in serum and bronchoalveolar lavage fluid in patients with pulmonary sarcoidosis.
    Author: Milman N, Kristensen MS, Bentsen K, Grode G, Frederiksen J.
    Journal: Sarcoidosis; 1995 Mar; 12(1):38-41. PubMed ID: 7617974.
    Abstract:
    The aim of this study was to evaluate whether markers of collagen synthesis, hyaluronan (HA) and procollagen type III aminoterminal peptide (PIIINP) in bronchoalveolar lavage fluid (BALF) and serum (S) were correlated to paraclinical markers of disease activity (S-ACE, S-IgG S-IgA S-calcium, chest X-ray (CXR) profusion score, pulmonary function tests (FEV1, FVC, TLC, DLCO)) in pulmonary sarcoidosis. The material comprised 48 patients with biopsy proven sarcoidosis (35 male, 13 female, median age 31 years) and 24 controls (16 male, 8 female, median age 60 years). BAL was performed in the right middle lobe with 250 ml saline. Patients had higher BALF-HA, mean 88 +/- 13 (SEM) micrograms/l, than controls, 39 +/- 2 micrograms/l (p < 0.01), higher BALF-albumin, 121 +/- 13 mg/l, than controls 58 +/- 4 mg/l (p < 0.01), and higher BALF/S-HA ratio, 3.35 +/- 0.51, than controls, 1.23 +/- 0.60 (p < 0.01). There were no significant differences for S-HA, BALF-PIIINP, or S-PIIINP. In patients significant correlations were found between BALF-HA, S-HA, and BALF-albumin; between S-HA and S-ACE; between BALF/S-HA and BALF-albumin; between CXR profusion score and S-HA, S-ACE, S-IgG, S-IgA, FEV1, FVC, TLC and DLCO. The results indicate that measurement of S-HA, BALF-HA, and BALF-albumin may be of value in the monitoring of disease in pulmonary sarcoidosis.
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