Transcatheter aortic valve replacement(TAVR)causes less trauma and leads to better prognosis than traditional thoracotomy.However,as surgeons cannot observe the full view of the aortic root during the TAVR surgery,cardiovascular 3D printing is used to perform 1:1 3D reconstruction and printing.The 3D printed aortic root model may intuitively and clearly show the specific anatomical structures of the patient.In addition,the model may be used for simulations on the bench test before TAVR to predict the possible complications and personalized auxiliary guidance may be provided for better TAVR plan.Postoperative 3D printing may be used for better understanding of the depth,shape and distribution of the stent.Cardiovascular 3D printing has achieved remarkable results in TAVR and has a wide application prospect.
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