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Surgical Porcine Model of Chronic Myocardial Ischemia Treated by Exosome-laden Collagen Patch and Off-pump Coronary Artery Bypass Graft
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Coronary endarterectomy during off-pump coronary artery bypass surgery

Iu A Shneĭder1, T D Lesbekov, K V Kuznetsov

  • 1Chair and Clinics of Cardiovascular Surgery, Medical Academy of Postgraduate Education, S-Petersburg, Russia.

Angiologiia I Sosudistaia Khirurgiia = Angiology and Vascular Surgery
|October 2, 2009
PubMed

Insights

Off-pump coronary endarterectomy (CEA) combined with coronary artery bypass grafting (CABG) is feasible and safe. This technique achieves complete myocardial revascularization with good early outcomes, comparable to traditional methods.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Surgery
  • Minimally Invasive Cardiac Surgery

Background:

  • Coronary endarterectomy (CEA) is frequently combined with coronary artery bypass grafting (CABG).
  • Traditionally, CABG with CEA is performed using cardiopulmonary bypass (CPB).
  • Increasing risks associated with CPB necessitate alternative techniques, such as off-pump surgery.

Purpose of the Study:

  • To evaluate the feasibility and early outcomes of off-pump coronary endarterectomy (CEA) in patients undergoing combined coronary artery bypass grafting (CABG).
  • To assess the efficacy of performing CEA on a beating heart, a technique with limited reporting in Russian scientific literature.

Main Methods:

  • A retrospective study of 59 patients with ischemic heart disease (IHD) who underwent combined CABG and CEA.
  • Off-pump technique was utilized in 16 patients (27.1%).
  • Both open and semi-closed endarterectomy techniques were employed, with similar procedures for plaque extraction and coronary artery reconstruction.

Main Results:

  • Complete myocardial revascularization was achieved in all 16 patients who underwent off-pump CEA.
  • Clinical improvement was observed in patients with functional classes 0-1 upon discharge.
  • The outcomes of off-pump CEA were comparable to conventional CPB-assisted procedures.

Conclusions:

  • Simultaneous off-pump coronary endarterectomy (CEA) with coronary artery bypass grafting (CABG) is a viable option for achieving complete myocardial revascularization.
  • Diffuse coronary artery involvement is not a contraindication for this combined procedure.
  • The off-pump approach offers good early outcomes, similar to traditional CPB-assisted methods, and is particularly beneficial for high-risk patients.

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