[Current methods of research in early diagnosis of cor pulmonale in children with diffuse connective tissue diseases]. / Sovremennye metody issledovaniia v rannei diagnostike "legochnogo serdtsa" pri diffuznykh bolezniakh soedinitel'noi tkani u detei.

Twenty children with systemic lupus erythematosus (SLE) and 13 children with systemic scleroderma were examined by electrocardiography, tetrapolar chest rheography, rheopulmonography and echocardiography. Half of the cases manifested pulmonary hypertension, which was more appreciable in SLE patients. The results of rheopulmonographic and echocardiographic research methods turned out highly comparable.