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Pulmonary embolism is the third most common cause of cardiovascular emergency. Risk stratification is crucial in the clinical and therapeutic management of these patients. The latest European guidelines introduced a new classification based on short-term mortality risk stratification, dividing patients into four categories (high, intermediate-high, intermediate-low and low risk). Despite the limited evidence in this field, the percutaneous treatment of pulmonary embolism represents an option of interest; however, correct patient selection and device choice should be better investigated. In this article, we present two case reports of patients with intermediate-high-risk and high-risk pulmonary embolism treated with the EkoSonic Endovascular System (EKOS Corp., Bothell, WA, USA) and the FlowTriever System (Inari Medical, Irvine, CA, USA), respectively.