© 1989 British Society for Rheumatology
research-article |
ORGAN MANIFESTATIONS IN 100 PATIENTS WITH PROGRESSIVE SYSTEMIC SCLEROSIS: A COMPARISON BETWEEN THE CREST SYNDROME AND DIFFUSE SCLERODERMA
Department of Rheumatology, University Hospital S-22185 Lund, Sweden
Correspondence to:
Correspondence to Dr. Åkesson
Internal organ function, biochemical, and immunological variables were assessed in 100 patients with progressive systemic sclerosis (PSS), 37 with diffuse scleroderma and 63 with the CREST syndrome. The frequency of oesophageal symptoms and dysmotility did not differ between the two subsets, but patients with diffuse scleroderma had more pronounced motility disturbances. Calcinosis, Raynaud's phenomenon, and telangiectasia were equally frequent in the two groups. Vital capacity, total lung capacity, and static lung compliance were lower among patients with diffuse scleroderma (p<0.001), who also had a higher frequency of lung fibrosis (p<0.001) and cardiomegaly (p<0.01). Sixty eight per cent of the patients with diffuse scleroderma and 62% of those with the CREST syndrome had a positive antinuclear antibody test, which was associated with oesophageal hypomotility (p<0.001), fat malabsorption (p<0.01) and pulmonary dysfunction (p<0.05). Thus, the severity of organ manifestations varied not only with the form of PSS, but also with the absend/presence of antinuclear antibody. This study shows that the term ‘CREST syndrome’ could be replaced by ‘limited cutaneous systemic sclerosis’.
KEY WORDS: Scleroderma, CREST syndrome, Limited cutaneous systemic sclerosis, Diffuse scleroderma, Oesophageal motility, Malabsorption, Respiratory function, Antinuclear antibody
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