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This is a national, multicenter, open-label, randomized, controlled, endpoint-blinded clinical trial of patients diagnosed with ATAAD and undergoing "Sun's procedure" coordinated by the First Affiliated Hospital of Xi'an Jiaotong University, China. Per the protocol, "Sun's procedure" combined with "XJ-Procedure" in the anastomosis of the aortic root and Sun's procedure combined with regular suturing methods of the aortic root will be compared.
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In this study, the investigators will prospectively enroll patients diagnosed with ATAAD and undergo "Sun's procedure" from November 2024 to November 2027 in several centers, including the First Affiliated Hospital of Xi'an Jiaotong University, and will randomly divide them into XJ-procedure group and control group. "The patients in the XJ-procedure group will undergo "Sun's procedure", in which the anastomosis of the aortic root will be performed with the XJ-procedure. The patients in the control group will also undergo "Sun's procedure", in which the anastomosis of the aortic root will be performed with each center. The primary outcome event is all-cause mortality within 12 months after surgery. Secondary outcome events are (1) incidence of residual aortic root entrapment (during hospitalization, follow-up 3 months, 6 months, 12 months) (2) rate of secondary surgery for hemostasis due to root hemorrhage (during hospitalization) (3) incidence of anastomotic pseudoaneurysm (during hospitalization, follow-up 3 months, 6 months, 12 months) (4) rate of severe regurgitation of residual aortic valves (during hospitalization, follow-up 3 months, 6 months, 12 months) (5) Incidence of major adverse cardiovascular and cerebrovascular events (MACCE) (during hospitalization, follow-up 3 months, 6 months, 12 months).
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680 participants in 2 patient groups
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Guoliang Li; Yang Yan
Data sourced from clinicaltrials.gov
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