This study involved 20 patients, 13 female and 7 male, with a mean age of 49 years, suffering from localized (6 cases) scleroderma or generalized without Raynaud's syndrome (6 cas), with Raynaud's syndrome (6 cas) or acrosclerosis (2 cases). Respiratory function tests included study of volumes, flow rates, CO transfer (TLCO) and blood gases. There were 38% normal chest X-rays, 58% ventilatory disturbances (predominance of restrictive syndrome and decrease in (TLCO) was found in only 25% of cases. The authors emphasize the extent of pulmonary vascular lesions in these patients.
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