Published 2021-04-02
Keywords
- cardiopulmonary bypass,
- ischaemic heart disease,
- myocardial revascularisation,
- redo coronary artery bypass grafting
How to Cite
Copyright (c) 2021 Gordeev M.L., Grebennik V.K., Ismail-zade I.K., Ishmukhametov G.I., Ivanov I.Yu., Abutalimova N.R., Zavarzina D.G.

This work is licensed under a Creative Commons Attribution 4.0 International License.
Abstract
Aim. To compare the immediate results of treatment of patients after redo coronary artery bypass grafting (reCABG) off pump and with cardiopulmonary bypass.
Methods. The retrospective study included 138 patients who underwent isolated reCABG for recurrence of angina pectoris in the period of 2013 to 2019 at the Almazov Research Centre. The operation was performed with cardiopulmonary bypass using isothermal blood cardioplegia in 74 cases (group A). Sixty-four operations were performed without cardiopulmonary bypass (group B). The primary endpoint was a major adverse cardiovascular event (e.g. myocardial infarction, acute cerebrovascular accident, cardiovascular death) during hospitalisation. Secondary endpoints were cardiovascular failure, respiratory failure, renal failure, and wound healing complications during hospitalisation.
Results. Redo CABG with cardiopulmonary bypass compared with CABG off pump was more often complicated by cardiovascular failure (39.2% versus 20.3%, p = 0.043), respiratory failure (7.8% versus 2.7%, p = 0.047), and postpericardiotomy syndrome (13.5% versus 0%, p = 0.047). The revascularisation index was higher in the group of reCABG off pump (2.9) compared to the group of reCABG with cardiopulmonary bypass (2.4). In the early postoperative period there was a decrease in the duration of inpatient treatment and stay in the intensive care unit, the duration of surgery, as well as a lower incidence of postoperative complications in group B.
Conclusion. Redo CABG showed satisfactory results in the early postoperative period. Performing reCABG off pump was advantageous and was associated with a decrease in the incidence of postoperative complications.
Received 23 June 2020. Revised 9 September 2020. Accepted 10 September 2020.
Funding: The study did not have sponsorship.
Conflict of interest: Authors declare no conflict of interest.
Author contributions
Conception and design: I.K. Ismail-zade, V.K. Grebennik
Data collection and analysis: I.K. Ismail-zade, D.G. Zavarzina, N.R. Abutalimova
Drafting the article: I.K. Ismail-zade, I.Yu. Ivanov, G.I. Ishmukhametov
Critical revision of the article: V.K. Grebennik, M.l. Gordeev
Final approval of the version to be published: M.L. Gordeev, V.K. Grebennik, I.K. Ismail-zade, G.I. Ishmukhametov, I.Yu. Ivanov, N.R. Abutalimova, D.G. Zavarzina
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