What is complication of percutaneous transcatheter closure of the perivalvular leak? Which problems need to solve at present?
瓣周漏的经皮封堵术有哪些并发症？目前还有哪些问题尚待解决？
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Conclusion: It is difficult to place prosthetic valve in routine sequence of valve replacement in patients with small aotic annulus and perivalvular leakage and hemorrhage of aotic incision may occur.