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Pulmonary functional abnormalities in asymptomatic patients with systemic sclerosis
Czeslaw Marcisz1, Eugene J. Kucharz, Ligia Brzezińska-Wcislo
1Department of Internal Medicine, Medical University of Silesia, ul. Edukacji 102, PL 43-100, Tycky, Poland
European Journal of Internal Medicine
|June 12, 2003
Summary
Systemic sclerosis (SSc) can cause lung issues even without symptoms. Pulmonary function tests reveal restrictive defects in most asymptomatic SSc patients, highlighting the need for regular screening.
Area of Science:
- Pulmonology
- Rheumatology
- Internal Medicine
Background:
- Systemic sclerosis (SSc) is a fibrotic disease affecting skin and organs, including lungs.
- Pulmonary involvement is a common complication of SSc.
- Early detection of lung issues is crucial for patient management.
Purpose of the Study:
- To assess pulmonary function in SSc patients without apparent lung symptoms.
- To identify subclinical pulmonary abnormalities in SSc.
- To determine the prevalence of restrictive lung defects in asymptomatic SSc patients.
Main Methods:
- Spirometric measurements were conducted.
- 26 female SSc patients with no pulmonary symptoms were enrolled.
- Standard pulmonary function tests were performed.
Main Results:
- Maximal voluntary ventilation was reduced in 50% of patients.
- Forced vital capacity was decreased in 23% of patients.
- Flow rates, particularly mid-maximal expiratory flow (50-75% FVC), were impaired in about half of patients.
- Peak expiratory flow rate was reduced in 77% of asymptomatic patients.
Conclusions:
- A majority of asymptomatic SSc patients exhibit pulmonary functional defects, predominantly restrictive.
- Pulmonary function testing is recommended for all SSc patients, regardless of symptoms.
- Early identification of lung involvement can guide timely intervention in SSc management.