Stress doppler echocardiography in systemic sclerosis: Evidence for a role in the prediction of pulmonary hypertension

Adult; Aged; Echocardiography, Doppler; Echocardiography, Stress; Female; Humans; Hypertension, Pulmonary; Male; Middle Aged; Predictive Value of Tests; Retrospective Studies; Scleroderma, Systemic; Sensitivity and Specificity; Immunology; Immunology and Allergy; Rheumatology; Pharmacology (medical)