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The Journal of Cardiovascular Surgery 2021 Feb 22

DOI: 10.23736/S0021-9509.21.11522-8


lingua: Inglese

Short-term outcomes of a novel modified Bentall procedure in acute type A aortic dissection

Huadong LI 1, Yu SONG 1, Xiaobin LIU 1, Hong YU 2, Xiaofan HUANG 1, Xianqing FENG 1, Nianguo DONG 1, Long WU 1

1 Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; 2 Department of Otorhinolaryngology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China


BACKGROUND: The Bentall procedure is a common surgical treatment for aortic root replacement in acute type A aortic dissection (ATAAD) with some complications which affect postoperative efficacy. We innovatively modified the Bentall procedure and investigated its short-term efficacy.
METHODS: From March 2017 to March 2019, 77 cases with ATAAD in our department underwent total arch replacement and frozen elephant trunk technique following prior Bentall procedure. They were divided into three groups. In Modified-Bentall group, 20 patients underwent a modified Bentall surgery. In Bentall-Inclusion group, coronary ostia inclusion anastomosis and Cabrol shunt were performed in 32 patients. In Bentall-Button group, coronary ostia button anastomosis was used to 25 cases.
RESULTS: No intraoperative deaths occurred in three groups. Operation time, CPB time, and aortic cross-clamp time in Modified-Bentall group was longer than those in Bentall-Inclusion group (P<0.05), but the number of RBC transfusion and postoperative drainage volume decreased compared with Bentall-Button group (P<0.05). One patient with mesenteric malperfusion syndrome died after surgery in Modified-Bentall group, 2 patients died in Bentall-Inclusion group, and 1 patient died in Bentall-Button group. No coronary anastomotic leak and vena cava-right atrium shunt signal occurred in Modified-Bentall group, and there was no contrast extravasation and no pseudoaneurysm formation in the aortic root. The cardiac function of patients was grade I-II.
CONCLUSIONS: This novel modified procedure is feasible and can significantly reduce postoperative complications with satisfactory short-term efficacy in ATAAD.

KEY WORDS: Acute type A aortic dissection; Bentall procedure; Complications

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