Methods: Patients with SSc admitted between 2015 and 2019 and who underwent right heart catheterization (RHC) were included. The frequency of PH and its subgroups based on the hemodynamic definitions of both 2015 European Society of Cardiology/European respiratory Society (ESC/ERS) PH guidelines and 6th WSPH was compared.

The Optical Communications and Networks Series (OCNS) of the IEEE Communications Magazine, a flagship IEEE publication with a global readership, is dedicated to this exciting field. It publishes top-quality, high-impact, original and unpublished Magazine-style articles in all areas of optical communications and networking. The Series covers research, development, application, and all other aspect of this field. Authors are invited to submit manuscripts within the scope of the Series including, but not limited to, the following topics:

Conclusion: The impact of the updated definition on the frequency of PH and PAH in our cohort was greater than previously reported, which may be caused by the difference in screening strategies for PAH.

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Results: Of the 65 patients with SSc, 23 (35.4%) had normal mean pulmonary arterial pressure (mPAP), 20 (30.8%) had mildly elevated mPAP (21-24 mm Hg), and 22 (33.8%) had PH [pulmonary arterial hypertension (PAH) (n=16, 24.6%), group 2 PH (n=5, 7.7%), group 3 PH (n=1, 1.5%)] according to the 2015 ESC/ERS PH definition. Based on the updated criteria, 7 (10.8% of total cohort) additional patients were reclassified as having PH [PAH (n=3), group 2 PH (n=3), group 3 PH (n=1)].

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Authors are encouraged to contact the Series Editor before submitting an article to ensure that the article will be appropriate for the Series.

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Objective: Pulmonary hypertension (PH) is a one of the major causes of death in patients with systemic sclerosis (SSc). In this study, we investigated the impact of updated hemodynamic definition proposed by the 6th PH World Symposium (6th WSPH) on the frequency of PH and its subtypes in patients with SSc.

Optical Communications and Networks is key technology field in today’s information age, providing unprecedented communication capacity and cost-effective interconnection capability to support bandwidth-hungry applications, such as ultra-broadband access, cloud computing, content sharing and storage, and continuously evolving generations of wireless communication.

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