Mod Rheumatol
October 2024
Objectives: We aimed to analyze the prevalence, mortality, and prognostic factors in systemic sclerosis (SSc) patients with pulmonary hypertension (PH) with or without interstitial lung disease (ILD).
Methods: The associations between mortality and demographics, transthoracic echocardiography, right heart catheterization (RHC), pulmonary functional parameters at baseline, and treatment modalities in two groups; patients with pulmonary arterial hypertension (PAH, PH without significant ILD) and PH + ILD were evaluated.
Results: The mean age of the patients was 56.
Pulmonary arterial hypertension (PAH) is driven by pathologies associated with increased metabolism such as pulmonary revascularization, vasoconstriction and smooth muscle cell proliferation in pulmonary artery wall. 18-fluorodeoxyglucose positron emission tomography (18FDG-PET) is an imaging technique sensitive to glucose metabolism and might be considered as a non-invasive method for diagnosis due to significant role of inflammation in idiopathic pulmonary artery hypertension (IPAH) and chronic thromboembolic pulmonary hypertension (CTEPH). The present study aimed to investigate the role of PET/CT imaging of patients with IPAH and CTEPH as an alternative diagnosis method.
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