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1996 ; 11
(2
): 113-21
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Clinical features of interstitial lung diseases
#MMPMID8854647
Lim GI
; Lee KH
; Jeong SW
; Uh ST
; Jin SY
; Lee DH
; Park JS
; Choi DL
; Kang CH
; Park CS
Korean J Intern Med
1996[Jun]; 11
(2
): 113-21
PMID8854647
show ga
OBJECTIVES: Interstitial lung diseases (ILD) are heterogeneous groups of
disorders that involve the interstitium of the lung. Lung biopsy is mandatory in
most cases of ILD for diagnosis. In Korea, a few clinical data about ILD were
analyzed on the basis of pathologic proof. Thus, we analysed the clinical
profiles of patients with ILD who had lung biopsy in a tertiary university
hospital. METHODS: Clinical and pathologic data concerning 100 patients who had
open lung biopsy (OLB) and/or transbronchial lung biopsy (TBLB) were
prospectively analysed. Two patients were excluded because one patient was proven
to have metastatic cancer and the other to have miliary tuberculosis. One patient
had two combined diseases: rheumatoid arthritis and pneumoconiosis. Thus, 99
cases were analysed from 98 patients. Demographic characteristics, pulmonary
functions and pathologic findings were analysed according to the disease entities
of ILD. Pathologic findings were classified only in patients who had OLB.
Clinical courses were also analysed during follow-up. RESULTS: OLB was performed
on 68 cases with concomittant TBLB in 18 cases and 30 cases had TBLB only.
Mediastinal lymph node biopsy has performed on one case. The most common cause of
ILD was IPF (51.5%), which was followed by CVD.PF (15.2%) and HP (9.1%). Average
age of 51 cases with idiopathic pulmonary fibrosis (IPF) was 60 +/- 11 years,
that of 15 cases with collagen vascular disease associated pulmonary fibrosis
(CVD-PF) was 46 +/- 17 years and that of 9 cases with hypersensitivity
pneumonitis (HP) was 53 +/- 8.1 years. In IPF, CVD-PF AND HP, male to female
ratio was equal. But female was dominant in sarcoidosis and male was dominant in
pneumoconiosis. Pulmonary function tests (PFT) in IPF, CVD-PF and HP were
restrictive patterns in half of the cases. In pneumoconiosis and sarcoidosis, PFT
showed normal pattern. Usual interstitial pneumonia (UIP) was the most common
pathologic type in IPF and CVD-PF. The most common cause of CVD-PF was rheumatoid
arthritis. The overall mortality rate was 12.1%. CONCLUSION: We reported that the
ILD had a variety of disease entities and pathologic types even in one tertiary
referral hospital. We hope that a multi-center study will be performed on the
basis of pathologic proof in the future.
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