Interstitial lung diseases in Saudi Arabia: A single-center study
1Department of Medicine, College of Medicine, King Saud University, Riyadh, Saudi Arabia.
Annals of Thoracic Medicine
|February 27, 2013
Summary
Epidemiological studies on interstitial lung disease (ILD) are scarce. This study found connective tissue disease-associated ILD and idiopathic pulmonary fibrosis were most common in Saudi Arabia.
Area of Science:
- Pulmonology
- Epidemiology
- Rheumatology
Background:
- Limited epidemiological data exists for interstitial lung disease (ILD) globally.
- Understanding ILD prevalence is crucial for public health and resource allocation.
Purpose of the Study:
- To document incident cases of interstitial lung disease (ILD) in a Saudi Arabian population.
- To compare findings with existing international ILD epidemiological data.
Main Methods:
- Prospective collection of newly diagnosed ILD cases over four years (2008-2011).
- Detailed demographic, clinical, and diagnostic data were gathered, including high-resolution computed tomography (HRCT) and lung biopsies.
- Diagnostic procedures included HRCT, serological tests, bronchoalveolar lavage (BAL), transbronchial lung biopsy, EBUS-TBNA, and surgical lung biopsy.
Main Results:
- 330 ILD cases were analyzed, with a mean age of 55.4 years; 61.2% were female.
- Connective tissue disease-associated ILD (CTD-ILD) was most prevalent (34.8%), followed by idiopathic pulmonary fibrosis (IPF) (23.3%), and sarcoidosis (20%).
- HRCT was utilized in 97.3% of cases, with surgical lung biopsy performed in 22.7%.
Conclusions:
- CTD-ILD and IPF represent the most common forms of ILD in the studied Saudi Arabian population.
- The observed ILD patterns show both similarities and divergences compared to international reports.
- Further epidemiological research on ILD globally is warranted.
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