Stent-Retriever for Acute Massive Pulmonary Embolism (SRAME)

Exclusion criteria

• ✕. Patients with systolic blood pressure\<90 mmHg and lasting for 15 minutes or requiring maintenance of systolic blood pressure ≥ 90 mmHg;
• ✕. Patients with known severe pulmonary hypertension;
• ✕. Patients with Hematocrit \<28%;
• ✕. Patients with known structural heart disease;
• ✕. Patients with left bundle branch block;
• ✕. Patients with history of chronic left heart failure and left ventricular ejection fraction ≤30%;
• ✕. Patients with abnormal renal function (serum creatinine \> 1.8 mg/dL or \>159 umol/L);
• ✕. Patients with known coagulopathy or bleeding tendency (platelet \<100×109/L, or INR\> 3);