Abstract
Pulmonary hypertension (PH) is a significant contributor to the morbidity and mortality associated with systemic sclerosis (SSc). The spectrum of PH in SSc patients includes patients with isolated pulmonary arterial hypertension (SSc-PAH; World Health Organization Group 1) and patients with PH due to pulmonary fibrosis (SSc-ILD-PH; World Health Organization Group 3). In the last 20 years, the combined pulmonary manifestations of SSc have overtaken renal involvement as the primary cause of mortality (Hachulla E, Gressin V, Guillevin L, et al. Early detection of pulmonary arterial hypertension in systemic sclerosis: a French nationwide prospective multicenter study. Arthritis Rheum. 2005;52:3792–800; Mukerjee D, St George D, Coleiro B, et al. Prevalence and outcome in systemic sclerosis associated pulmonary arterial hypertension: application of a registry approach. Ann Rheum Dis. 2003;62:1088–93). accounting for up 60% of the SSc-related deaths (Mukerjee D, St George D, Coleiro B, et al. Prevalence and outcome in systemic sclerosis associated pulmonary arterial hypertension: application of a registry approach. Ann Rheum Dis. 2003;62:1088–93). Pulmonary arterial hypertension, independent of other pulmonary manifestations, is the second leading cause of mortality in SSc patients (Mukerjee D, St George D, Coleiro B, et al. Prevalence and outcome in systemic sclerosis associated pulmonary arterial hypertension: application of a registry approach. Ann Rheum Dis. 2003;62:1088–93).. All forms of SSc-related PH share a grim prognosis, and the efficacy of currently available PAH-specific therapies in SSc patients has been disappointing when compared to patients with other forms of PAH.
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Kolb, T.M., Hassoun, P.M. (2012). Treatment of Pulmonary Hypertension. In: Varga, J., Denton, C., Wigley, F. (eds) Scleroderma. Springer, Boston, MA. https://doi.org/10.1007/978-1-4419-5774-0_37
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