Pulmonary hypertension in connective tissue disease. Clinical analysis of sixty patients in multi-institutional study

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Abstract
Clinical features and prognosis of sixty patients with connective tissue disease accompanied by pulmonary hypertension (PH) (26 MCTD, 20 SLE, and 14 PSS) reported retrospectively by multiinstitutions were compared. Though the obtained data were incomplete and lacking in uniformity, no significant difference in the clinical features among the three diseases were observed except high incidence of pulmonary fibrosis and low% VC in PSS with PH patients. Statistically significant difference, however, was observed between live and dead patients of three diseases gathered in post sternal pain, pulmonary diastolic murmur, right ventricular hypertrophy on ECG and mean pressure of pulmonary artery. Higher incidence of anti-nRNP antibody was observed in SLE with PH and PSS with PH patients than with the general population. A quicker occurrence of PH and shorter survival time were observed in MCTD patients with PH than in SLE and PSS patients with PH.