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Medicina (Buenos Aires)

Print version ISSN 0025-7680


GONZALEZ, Enzo L.; VIGLIANO, Carlos  and  CANEVA, Jorge. Sarcoidosis: Clinical presentation and prognosis. Medicina (B. Aires) [online]. 2010, vol.70, n.6, pp.499-502. ISSN 0025-7680.

We analyzed clinical characteristics of 26 patients with suggesting clinical picture and histopatological diagnosis of sarcoidosis. We identified mortality-related variables in the follow-up. We examined clinical data and several complementary tests. Follow-up was performed by clinical consultation and telephonic interview. The patients mean age was 42.6 ± 12.7 years old, and 53.8% were female. Pulmonary affection was present in 88.4% of patients and extrapulmonary manifestation were seen in 30.7%. Radiological stage II was the most frequent (34.7%). The predominant spirometric abnormality was a low carbon monoxide diffusing capacity (DLCO) in 56.5% of cases. Pulmonary hypertension was found in 34.7% of cases. Steroid therapy was performed in 69.2%. The follow-up was completed in 96.1% of patients with a mean of 98 ± 73 months (range 3 to 228). The mortality rate was 23% (n = 6). The factors significantly associated with mortality were: blood arterial gases with lower partial oxygen pressure (41.5 mm Hg vs. 73.3 mm Hg; p = 0.041); higher partial carbon dioxide pressure (59.5 mm Hg vs. 39.6 mm Hg; p = 0.0008); presence of pulmonary hypertension (83.3% vs. 16.6%; p = 0.001) and higher pulmonary capillary wedge pressure (12.5 mm Hg vs. 9.5 mm Hg; p = 0.041). There was a tendency to higher mortality in patients with radiological stage III/IV (66% vs. 27%; p = 0.082) and lower DLCO (33.5% vs. 51.4%; p = 0.087). Clinical characteristics and long-term prognosis in our serie differed from others publications in international literature. Mortality-related factors were associated with severity of disease.

Keywords : Sarcoidosis; Prognosis; Epidemiology; Pulmonary hypertension; Pulmonary function tests.

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