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  • Classification  (1)
  • Cluster analysis  (1)
  • Lung Function  (1)
  • 1
    Digitale Medien
    Digitale Medien
    A longitudinal study of pulmonary function in Danish patients with systemic sclerosis (1997)
    Springer
    Clinical rheumatology 16 (1997), S. 384-390 
    Details
    ISSN: 1434-9949
    Schlagwort(e): Systemic Sclerosis ; Lung Function
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Objective: To determine the types, prevalence and development of respiratory abnormalities in patients with systemic sclerosis (SSc), and to correlate the results with clinical and serological findings. Methods: 176 patients with SSc observed longitudinally were retrospectively included in the study. The change per year of vital capacity (VC), forced expiratory volume in one second/vital capacity (FEV1/VC), diffusing capacity (DLco) and diffusing constant (Kco) of carbon monoxide from the first till the latest pulmonary function test were correlated to clinical and serological findings, including anti-centromere, anti-Scl-70, and antinucleolar antibodies. Results: An isolated reduction of DLco was seen in 47% and a restrictive ventilatory pattern in 25% of the patients. Restrictive ventilatory pattern correlated to pulmonary fibrosis, dyspnoea, a low prevalence (13%) of anti-centromere antibodies and a high prevalence of anti-Scl-70 antibodies (36%). Progression of DLco reduction was related to long disease duration, presence of anti-centromere antibodies and absence of treatment with penicillamine. Conclusion: Pulmonary involvement is common in patients with SSc. The occurrence of different serological abnormalities in patients with restrictive disease and in patients with progressive isolated reduction of DLco, suggests that the two types of pulmonary damage may have different pathogeneses rather than being different stages in the progression of pulmonary damage.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02242456
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    A multicentre study of 513 Danish patients with systemic lupus erythematosus. I. Disease manifestations and analyses of clinical subsets (1998)
    Springer
    Clinical rheumatology 17 (1998), S. 468-477 
    Details
    ISSN: 1434-9949
    Schlagwort(e): Clinical characteristics ; Cluster analysis ; Nephropathy ; Patient subsets ; Systemic lupus erythematosus
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract A Danish multicentre study was undertaken of the manifestations, infections, thrombotic events, survival and predictive factors of survival in 513 Danish patients with systemic lupus erythematosus (SLE) according to the 1982 classification criteria of the American College of Rheumatology. The mean duration of follow-up was 8.2 years from diagnosis and 12.8 years from first symptom. This paper describes the most common clinical and laboratory manifestations and their relationship to sex and age at the time of onset and diagnosis. Cluster analysis revealed three clinically defined clusters at the time of disease onset. Cluster 1 (57% of patients) consisted of relatively elderly patients without nephropathy or malar rash, but with a high prevalence of discoid lesions. Cluster 2 (18%) consisted of patients with nephropathy, a third of whom also developed serositis and lymphopenia. The patients of the third cluster (25%) all had malar rash and half were photosensitive. Follow-up showed that the patients of cluster 2 developed azotaemia, large proteinuria, arterial hypertension and myositis significantly more often than did the rest of the patients, but the mortality was not increased. The risk of developing renal end-stage disease was highest in men with early-onset disease.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01451282
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  • 3
    Digitale Medien
    Digitale Medien
    Systemic lupus erythematosus: Follow-up study of 148 patients. I: Classification, clinical and laboratory findings, course and outcome (1987)
    Springer
    Clinical rheumatology 6 (1987), S. 13-21 
    Details
    ISSN: 1434-9949
    Schlagwort(e): Systemic Lupus Erythematosus ; Classification ; Clinical Findings ; Outcome
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The present paper is a description of 148 patients with circulating antinuclear antibodies and multisystemic disease filed during 18 years by one of the authors and followed up to date in 1981–83. Seventy-eight per cent of the patients satisfied the 1971 ARA criteria for the classification of systemic lupus erythematosus and 92 per cent fulfilled the 1982 ARA criteria. Eighty-five per cent were women, the mean age at onset of SLE was 32 years. Malar rash and arthritis were early manifestations in 80 per cent of the patients whereas the onset of nephropathy, CNS manifestations, serositis, and peripheral cytopenia was delayed in about half of the patients. Nephropathy and thrombocytopenia were observed particularly in the youngest patients. The mean duration of the observation period was 8 years. The 10-year-survival was 80 per cent. Half of the deaths were presumably unrelated to SLE. The mean ages at entry of patients who died of SLE and of unrelated causes were 30 and 52 years respectively. Eighteen per cent of the deaths were caused by uremia and 18 per cent by infections. The total and the SLE related mortalities were evenly distributed throughout the observation period. The morbidity (incidence of new ARA criteria and other findings indicating active disease) decreased during the first year of observation but rarely subsided completely during the following years. All patients observed for more than 10 years showed evidence of active disease during the rest of the observation period and most showed evidence of renal disease.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02200995
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