Long-term results of coronary bypass grafting in patients with severe carotid stenosis depending on the stage of carotid endarterectomy

Authors: Sheykina N.A., Keren M.A., Sigaev I.Yu., Papitashvili V.G., Chshieva I.V., Volkovskaya I.V., Avakova S.A., Zavalikhina T.V.

Company: Bakoulev National Medical Research Center for Cardiovascular Surgery, Moscow, Russian Federation

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Type:  Original articles


DOI: https://doi.org/10.24022/1997-3187-2024-18-2-225-238

For citation: Sheykina N.A., Keren M.A., Sigaev I.Yu., Papitashvili V.G., Chshieva I.V., Volkovskaya I.V., Avakova S.A., Zavalikhina T.V. Long-term results of coronary bypass grafting in patients with severe carotid stenosis depending on the stage of carotid endarterectomy. Creative Cardiology. 2024; 18 (2): 225–238 (in Russ.). DOI: 10.24022/1997-3187-2024-18-2-225-238

Received / Accepted:  24.03.2024 / 02.05.2024

Keywords: coronary artery bypass grafting carotid endarterectomy asymptomatic carotid stenosis staged coronary artery bypass grafting and carotid endarterectomy



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Abstract

Objective. To compare immediate and long-term outcomes in patients with combined asymptomatic carotid stenosis and coronary artery disease who underwent coronary artery bypass grafting (CABG) depending on the subsequent performance of carotid endarterectomy (CEA).

Material and methods. The study included 184 patients with combined coronary artery disease and unilateral asymptomatic stenosis of the internal carotid arteries of 70–99%, for whom the medical council determined indications for staged revascularization in the sequence: CABG (1st stage) and unilateral CEA (2nd stage). Two observation groups were formed: group 1 – patients who underwent CABG as the first stage, unilateral CEA as the 2nd stage (n=86); group 2 – patients who underwent only 1 stage – isolated CABG; the CEA stage was not implemented (n=98). In the first part of the study, the immediate results after CABG followed by staged CEA and without CEA were assessed. In the second part of the study, we assessed the frequency of adverse clinical outcomes in the long-term period up to 9 years after the interventions (on average 6 years). Study endpoints: death from all causes, non-fatal cerebrovascular accident or transient ischemic attack (stroke/TIA), non-fatal myocardial infarction (MI), major adverse coronary events (MACE), including death, non-fatal stroke/TIA, not fatal MI.

Results. In the hospital postoperative period, there were no statistically significant differences in the number of deaths from all causes (p=1.000), non-fatal MI (p=0.217), non-fatal stroke (p=0.467) and MACE (p=0.476). The long-term prognosis of the group of patients who underwent staged CABG and CEAE did not differ significantly from the group of patients who had damage to the coronary and carotid arteries, but underwent only CABG in terms of total mortality (p=0.902), incidence of MI (p=0.974), and incidence of stroke/TIA (p=0.458) and MACE (p=0.704).

Conclusion. Subsequent (2-nd stage) implementation of CEAE did not have a statistically significant effect on hospital complications and long-term outcomes after CABG (death, stroke, IM, MACE) in patients with asymptomatic carotid stenosis.

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About Authors

  • Nina A. Sheykina, Cardiologist; ORCID
  • Milena A. Keren, Dr. Med. Sci., Senior Researcher; ORCID
  • Igor Yu. Sigaev, Dr. Med. Sci., Professor, Head of Department; ORCID
  • Vasil G. Papitashvili, Cand. Med. Sci., Head of Department; ORCID
  • Inna V. Chshieva, Cand. Med. Sci., Cardiovascular Surgeon; ORCID
  • Irina V. Volkovskaya, Cand. Med. Sci., Head of Department; ORCID
  • Susanna A. Avakova, Cand. Med. Sci., Head of Department; ORCID
  • Tatyana V. Zavalikhina, Cand. Med. Sci., Chief Physician; ORCID

Chief Editor

Leo A. Bockeria, MD, PhD, DSc, Professor, Academician of Russian Academy of Sciences, President of Bakoulev National Medical Research Center for Cardiovascular Surgery