期刊
RESPIRATORY MEDICINE
卷 102, 期 6, 页码 852-856出版社
W B SAUNDERS CO LTD
DOI: 10.1016/j.rmed.2008.01.012
关键词
pulmonary fibrosis; interstitial lung disease; usual interstitial pneumonia
Rationale: The prognostic significance of fibroblast foci in surgical lung biopsies from patients with idiopathic pulmonary fibrosis (IPF) is unclear. Objectives: We assessed the relationship between profusion of fibroblast foci and survival in 43 patients with IPF seen at a tertiary referral medical center from 1996 to 2002. Methods: Fibroblast foci in surgical lung biopsies were counted using a systematic morphometric point-counting technique. Patients with either clinical or pathologic evidence of accelerated disease were excluded from analysis. The association of fibroblast counts with survival was assessed using proportional hazards regression. Results: The mean age (+/- SD) of the study population was 64 9 years; 26 (60%) patients were male. The mean (%+/- SD) profusion of fibroblastic foci was 0.6 +/- 0.7, expressed as a percentage of total points counted. Fibroblast foci counts did not differ markedly between upper, middle, and lower lobes. Median survival from the time of biopsy was 2.4 years; there were 25 (58%) deaths in the follow up period. There was no significant relationship between profusion of fibroblast foci and survival in the overall group (p = 0.250). Conclusions: Higher prevalence of fibroblast foci assessed using a simple point-counting technique applied to surgical lung biopsies is not associated with survival in patients with clinically stable IPF (C) 2008 Elsevier Ltd. All rights reserved.
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