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CC BY-NC-ND 4.0 · Thorac Cardiovasc Surg 2021; 69(04): 336-344
DOI: 10.1055/s-0040-1713354
Original Cardiovascular

Proximalized Total Arch Replacement Can Be Safely Performed by Trainee

Sentaro Nakanishi
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
,
Naohiro Wakabayashi
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
,
Hayato Ise
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
,
Hiroto Kitahara
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
2   Department of Cardiac Surgery, MedStar Heart and Vascular Institute/Georgetown University School of Medicine, Washington, DC
,
Aina Hirofuji
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
,
Natsuya Ishikawa
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
,
Hiroyuki Kamiya
1   Department of Cardiac Surgery, Asahikawa Medical University, Midorigaoka Higashi 2-1-1-1, Asahikawa 078-8510, Japan
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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.

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).

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.

Conclusions The present study demonstrated that TAR can be safely performed by trainees, and suggests TAR as a possible and safe educational operation.

Keywords

total arch replacement - frozen elephant trunk - extra-anatomical bypass - trainee - education


Publikationsverlauf

Eingereicht: 26. März 2020

Angenommen: 29. April 2020

Artikel online veröffentlicht:
07. Juli 2020

© 2020. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

Georg Thieme Verlag KG
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Kommentar zu diesem Artikel:

Teaching Cardiac Surgery: A Major Contemporary Issue in the Academic InstitutionsThorac Cardiovasc Surg 2021; 69(04): 345-346
DOI: 10.1055/s-0040-1713672

 

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