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Current Neurovascular Research


ISSN (Print): 1567-2026
ISSN (Online): 1875-5739

Research Article

Modified Risk of Paradoxical Embolism More Effectively Evaluates the Risk of Stroke Associated with Patent Foramen Ovale

Author(s): Yun Wang*, Tun Zhao, Yajun Ma and Wenli Hu

Volume 20, Issue 3, 2023

Published on: 28 August, 2023

Page: [423 - 428] Pages: 6

DOI: 10.2174/1567202620666230825103401

Price: $65


Background: Through an analysis of the risk factors associated with patent foramen ovale (PFO)-related stroke (PS), we aimed to modify the Risk of Paradoxical Embolism (RoPE) to assess the risk of PS.

Methods: A retrospective collection of ischemic stroke (IS) patients with PFO admitted to the Department of Neurology at Beijing Chaoyang Hospital was conducted. The patients were classified into PS and non-PS groups. PS risk factors and RoPE scoring were analyzed based on clinical data, laboratory indicators, and imaging data. Independent risk factors were incorporated into the RoPE scoring system for enhancement.

Results: Significant differences were observed between the two groups regarding total cholesterol, low-density lipoprotein-cholesterol (LDL-C), and uric acid levels. The transverse diameter of the left atrium was significantly larger in the non-PS group compared to the PS group. Multivariate logistic regression revealed that higher LDL-C levels and a smaller transverse diameter of the left atrium increased the risk of PS. The modified RoPE score was derived by assigning 1 point each for high LDL-C levels and the absence of transverse diameter enlargement in the left atrium. The area under the curve (AUC) of the receiver operating characteristic (ROC) curves for the classical and modified RoPE score distinguishing PS were 0.661 and 0.798, respectively.

Conclusion: LDL-C levels and transverse diameter of the left atrium were identified as independent risk factors for PS. The modified RoPE scoring system exhibited superior performance in assessing the risk of PS compared to the original RoPE score.

Keywords: Patent foramen ovale, ischemic stroke, risk factor, Risk of Paradoxical Embolism, global burden, PFO-associated stroke.

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