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Pulmonary Arterial Hypertension In Systemic Sclerosis: Challenges In Diagnosis, Screening And Treatment.

ABSTRACT: Systemic sclerosis (SSc) is a chronic, multisystem autoimmune disease characterized by vasculopathy, fibrosis and immune system activation. Pulmonary hypertension and interstitial lung disease account for majority of SSc-related deaths. Diagnosis of SSc-PAH can be challenging due to nonspecific clinical presentation which can lead to delayed diagnosis. Many screening algorithms have been developed to detect SSc-associated pulmonary arterial hypertension (SSc-PAH) in early stages. Currently used PAH-specific medications are largely extrapolated from IPAH studies due to smaller number of patients with SSc-PAH. In this review, we discuss the current state of knowledge in epidemiology and risk factors for development of SSc-PAH, and challenges and potential solutions in the diagnosis, screening and management of SSc-PAH.

SUBMITTER: Saygin D

PROVIDER: S-EPMC6939800 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Pulmonary Arterial Hypertension In Systemic Sclerosis: Challenges In Diagnosis, Screening And Treatment.

Saygin Didem D Domsic Robyn T RT

Open access rheumatology : research and reviews 20191227

Systemic sclerosis (SSc) is a chronic, multisystem autoimmune disease characterized by vasculopathy, fibrosis and immune system activation. Pulmonary hypertension and interstitial lung disease account for majority of SSc-related deaths. Diagnosis of SSc-PAH can be challenging due to nonspecific clinical presentation which can lead to delayed diagnosis. Many screening algorithms have been developed to detect SSc-associated pulmonary arterial hypertension (SSc-PAH) in early stages. Currently used ...[more]

PMID: 31920409

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Project description:RationalePatients with systemic sclerosis-associated pulmonary arterial hypertension (SSc-PAH) continue to have an unacceptably high mortality rate despite the progress achieved with pulmonary arterial vasodilator therapies.ObjectivesWe sought to determine whether SSc-PAH is a clinically distinct pulmonary vascular disease phenotype when compared with idiopathic pulmonary arterial hypertension (IPAH) on the basis of progression of echocardiographic right ventricular (RV) dysfunction.MethodsRetrospective analysis of echocardiographic data in 13 patients with SSc-PAH and 11 patients with IPAH was used to delineate the progression of RV dysfunction during single or combination pulmonary arterial vasodilator therapy. All patients had right heart catheterization-confirmed pulmonary arterial hypertension as well as complete baseline (at the time of diagnosis) and follow-up (most recent) echocardiograms. We excluded patients with significant scleroderma-associated interstitial lung disease. Adjusting for time of follow-up and disease duration, we performed mixed model regression analyses comparing the changes between the two groups for different echocardiographic variables: tricuspid annular plane systolic excursion, tricuspid regurgitation jet velocity, right atrial area, and RV diameter.ResultsThe mean ages for the SSc-PAH and IPAH groups were 60.8 and 48.2 years, respectively. The mean follow-up periods for the two groups were 3.8 and 1.95 years, respectively. Tricuspid annular plane systolic excursion did not improve in patients with SSc-PAH, whereas it increased in the patients with IPAH (-0.38 mm, P?=?0.87; vs. +5.6 mm, P?=?0.02). The other echocardiographic variables showed a trend toward worsening in the SSc-PAH group and improvement in the IPAH group.ConclusionsOur results indicate that, in patients with SSc-PAH, echocardiographic RV function does not improve over time compared with that of patients with IPAH, despite institution of pulmonary artery vasodilator therapies.

Dataset Information

Pulmonary Arterial Hypertension In Systemic Sclerosis: Challenges In Diagnosis, Screening And Treatment.

Publications

Pulmonary Arterial Hypertension In Systemic Sclerosis: Challenges In Diagnosis, Screening And Treatment.

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