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The Relationship between Pulmonary Damage and Peripheral Vascular Manifestations in Systemic Sclerosis Patients

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PHARMACEUTICALS
卷 14, 期 5, 页码 -

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MDPI
DOI: 10.3390/ph14050403

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systemic sclerosis; pulmonary involvement; microvascular involvement; pulmonary arterial hypertension; interstitial lung disease; nailfold capillaroscopy

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Systemic sclerosis is an autoimmune disease characterized by generalized vasculopathy and tissue fibrosis. Early evaluation and follow-up of patients for organ involvement is crucial to prevent poor prognosis and multi-organ damage. Pulmonary disease in SSc mainly involves interstitial lung disease and pulmonary arterial hypertension, with nailfold videocapillaroscopy being a useful tool for evaluating microvascular damage and predicting internal organ involvement.
Systemic sclerosis (SSc) is an autoimmune disease, characterized by the presence of generalized vasculopathy and tissue fibrosis. Collagen vascular disorder in SSc is due to fibroblast and endothelial cell dysfunctions. This leads to collagen overproduction, vascular impairment and immune system abnormalities and, in the last stage, multi-organ damage. Thus, to avoid organ damage, which has a poor prognosis, all patients should be carefully evaluated and followed. This is particularly important in the initial disease phase, so as to facilitate early identification of any organ involvement and to allow for appropriate therapy. Pulmonary disease in SSc mainly involves interstitial lung disease (ILD) and pulmonary arterial hypertension (PAH). High-resolution computed tomography (HRCT) and pulmonary function tests (PFT) have been proposed to monitor parenchymal damage. Although transthoracic echocardiography is the most commonly used screening tool for PAH in SSc patients, definitive diagnosis necessitates confirmation by right heart catheterization (RHC). Moreover, some studies have demonstrated that nailfold videocapillaroscopy (NVC) provides an accurate evaluation of the microvascular damage in SSc and is able to predict internal organ involvement, such as lung impairment. This review provides an overview of the correlation between lung damage and microvascular involvement in SSc patients.

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