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Proximalized Total Arch Replacement Can Be Safely Performed by Trainee.

by Kitahara, Hiro.
Citation: Thoracic & Cardiovascular Surgeon. 2020 Jul 07.Journal: The Thoracic and cardiovascular surgeon.Published: ; 2020ISSN: 0171-6425.Full author list: Nakanishi S; Wakabayashi N; Ise H; Kitahara H; Hirofuji A; Ishikawa N; Kamiya H.UI/PMID: 32634833.Subject(s): IN PROCESS -- NOT YET INDEXEDInstitution(s): MedStar Heart & Vascular InstituteActivity type: Journal Article.Medline article type(s): Journal ArticleOnline resources: Click here to access online Digital Object Identifier: (Click here) Abbreviated citation: Thorac Cardiovasc Surg. 2020 Jul 07.Abstract: BACKGROUND: The aim of the present study was to validate safety of total arch replacement (TAR) using a novel frozen elephant trunk device, operated by trainees as surgical education.Abstract: METHODS: Sixty-four patients including 19 patients (29.6%) with acute aortic dissection type A (AADA) underwent TAR in our institute between April 2014 and March 2019 were retrospectively analyzed. Twenty-nine patients were operated by trainees (group T) and 35 patients were operated by attending surgeons (group A).Abstract: RESULTS: Patient characteristics did not differ between groups. Operative time (409.4 +/- 87.8 vs. 468.6 +/- 129.6 minutes, p = 0.034), cardiopulmonary bypass time (177.7 +/- 50.4 vs. 222.9 +/- 596.7 minutes, p = 0.019), and hypothermic circulatory arrest time (39.5 +/- 13.4 vs. 54.5 +/- 18.5 minutes, p = 0.001) were significantly shorter in group A than in group T, but aortic clamping time did not differ between groups (115.3 +/- 55.7 vs. 114.2 +/- 35.0 minutes, p = 0.924) because the rate of concomitant surgery was higher in group A (37.1 vs. 10.3%, p = 0.014). Thirty-day mortality was 3.1% in the entire cohort. Although operation time was longer in group T, there were no significant difference in postoperative results between the groups, and the experience levels of the main operator were not independent predictors for in-hospital mortality + major postoperative complications. There was no difference in late death and aortic events between groups.Abstract: CONCLUSIONS: The present study demonstrated that TAR can be safely performed by trainees, and suggests TAR as a possible and safe educational operation. Copyright Georg Thieme Verlag KG Stuttgart . New York.

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