Objective-To determine the frequency and relative risk of bronchial hyperreactivity to methacholine in systemic sclerosis patients with or without associated Sjogren's syndrome. Methods-A prospective study of 56 patients with systemic sclerosis (42 with the diffuse and 14 with the limited variant; 24 with associated Sjogren's syndrome), 57 with primary Sjogren's syndrome, and 61 healthy controls. Results-Bronchial hyperreactivity (BH) was present in 6-5% of the healthy controls, 25% of the systemic sclerosis patients without associated Sjogren's syndrome, 42.2% of those with primary Sjogren's syndrome, and in 50% of those with systemic sclerosis with associated Sjogren's syndrome. The presence of BH did not correlate with age, disease duration, chest radiograph abnormalities, respiratory, and immunological data. The subgroup of subjects with the limited variant of systemic sclerosis more frequently had associated BH than did those with the diffuse variant of the disease; coexisting Sjogren's syndrome further increased this frequency. Conclusions-In agreement with previous studies, we have confirmed the high prevalence ofbronchial hyperreactivity in primary Sjogren's syndrome; systemic sclerosis likewise appears to be associated with an increased frequency of bronchial hyperreactivity compared with healthy control subjects. There is evidence also that the coexistence of Sjogren's syndrome and systemic sclerosis fiurther increases the frequency and the calculated relative risk of developing bronchial hyperreactivity.

Bronchial hyperreactivity in systemic sclerosis patients: Influence of associated Sjogren's syndrome

LA CORTE, Renato
Primo
;
POTENA, Alfredo;GOVONI, Marcello
Penultimo
;
TROTTA, Francesco
Ultimo
1995

Abstract

Objective-To determine the frequency and relative risk of bronchial hyperreactivity to methacholine in systemic sclerosis patients with or without associated Sjogren's syndrome. Methods-A prospective study of 56 patients with systemic sclerosis (42 with the diffuse and 14 with the limited variant; 24 with associated Sjogren's syndrome), 57 with primary Sjogren's syndrome, and 61 healthy controls. Results-Bronchial hyperreactivity (BH) was present in 6-5% of the healthy controls, 25% of the systemic sclerosis patients without associated Sjogren's syndrome, 42.2% of those with primary Sjogren's syndrome, and in 50% of those with systemic sclerosis with associated Sjogren's syndrome. The presence of BH did not correlate with age, disease duration, chest radiograph abnormalities, respiratory, and immunological data. The subgroup of subjects with the limited variant of systemic sclerosis more frequently had associated BH than did those with the diffuse variant of the disease; coexisting Sjogren's syndrome further increased this frequency. Conclusions-In agreement with previous studies, we have confirmed the high prevalence ofbronchial hyperreactivity in primary Sjogren's syndrome; systemic sclerosis likewise appears to be associated with an increased frequency of bronchial hyperreactivity compared with healthy control subjects. There is evidence also that the coexistence of Sjogren's syndrome and systemic sclerosis fiurther increases the frequency and the calculated relative risk of developing bronchial hyperreactivity.
1995
LA CORTE, Renato; Bajocchi, G; Potena, Alfredo; Govoni, Marcello; Trotta, Francesco
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/517043
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