Frozen elephant trunk implantation for pseudoaneurysms of the distal aortic arch and descending aorta

Jian-rong Li, Jun Zheng, Yong-min Liu, Shang-dong Xu, Yu Li, Li-Zhong Sun
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Abstract

Objective To review the outcomes of the frozen elephant trunk implantation in patients with pseudoaneurysms of the distal aortic arch and descending aorta. Methods From March 2009 to December 2017, patients with pseudoaneurysms of the distal aortic arch and descending aorta who underwent the frozen elephant trunk implantation were enrolled. Patient demographic, preoperative, intraoperative, early morbidity and mortality data were collected from medical and electronic patient records. Clinical follow-up data, including late morbidity and mortality, were obtained by telephone interview with the patient. Results A total of 14 patients were included, 13 males and 1 females, aged( 41.0±14.7) years. Early mortality rate was 7.14% (1/14). The cause of death was rupture of the distal descending thoracic aorta. The early complications included reexploration for bleeding in 1 patient and pericardial window for delayed pericardial effusion in 1 patient. The mean follow-up was(32.3±22.3) months. There was 1 late death from severe pulmonary infection. Conclusion The frozen elephant trunk implantation is an appropriate therapeutic strategy for patients with pseudoaneurysms of the distal aortic arch and descending aorta. Key words: Aorta; Aortic aneurysm; Frozen elephant trunk implantation
冷冻象鼻植入术治疗主动脉弓远端及降主动脉假性动脉瘤
目的探讨冷冻象鼻植入术治疗主动脉弓远端假性动脉瘤及降主动脉假性动脉瘤的疗效。方法选取2009年3月至2017年12月行冷冻象鼻植入术的主动脉弓远端假性动脉瘤和降主动脉假性动脉瘤患者。从医疗和电子病历中收集患者人口统计、术前、术中、早期发病率和死亡率数据。临床随访资料,包括晚期发病率和死亡率,通过电话访谈获得。结果共纳入14例患者,男13例,女1例,年龄(41.0±14.7)岁。早期死亡率为7.14%(1/14)。死因是远段胸降主动脉破裂。早期并发症包括1例因出血再次探查,1例因迟发性心包积液打开心包。平均随访时间(32.3±22.3)个月。1例因严重肺部感染而晚期死亡。结论冷冻象鼻植入术是治疗主动脉弓远端和降主动脉假性动脉瘤的较好方法。关键词:主动脉;主动脉瘤;冷冻象鼻植入术
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