Staged Hybrid Coronary Revascularization in Acute Coronary Syndrome

Michele Rossi1, Vincenzo Calabrese2, Giovanni Tripepi3

  • 1Department of Cardiac Surgery, Heart Center, Grande Ospedale Metropolitano "Bianchi-Melacrino-Morelli," Reggio Calabria, Italy.

Insights

Staged hybrid coronary revascularization (HCR) is safe and effective for treating complex acute coronary syndrome (ACS) patients unsuitable for standard bypass surgery. This approach offers comparable long-term survival to traditional coronary artery bypass grafting (CABG).

Area of Science:

  • Cardiology
  • Cardiac Surgery
  • Interventional Cardiology

Background:

  • Acute coronary syndrome (ACS) presents treatment challenges in patients with complex left anterior descending artery (LAD) lesions or non-LAD culprit lesions unsuitable for standard coronary artery bypass grafting (CABG).
  • Staged hybrid coronary revascularization (HCR), a combined approach of percutaneous coronary intervention and CABG, emerges as a viable alternative for this patient subgroup.

Purpose of the Study:

  • To compare the effectiveness and safety of staged hybrid coronary revascularization (HCR) versus conventional coronary artery bypass grafting (CABG) alone in patients with complex coronary artery disease.
  • To evaluate major adverse cardiac and cerebrovascular events (MACCE) and in-hospital postoperative complications between the two treatment strategies.

Main Methods:

  • A retrospective observational study comparing 65 patients who underwent HCR with 274 patients who underwent CABG alone between December 2016 and December 2021.
  • Primary outcomes included MACCE at 30 days and long-term follow-up. Secondary outcomes assessed in-hospital postoperative complications and blood transfusion requirements.

Main Results:

  • While preoperative EuroSCORE II was higher in the HCR group (3.4 vs. 2.5, P < .05), indicating higher surgical risk, patients in the CABG group required more blood transfusions (P = .004).
  • No significant differences were observed in in-hospital postoperative complications between the HCR and CABG groups.
  • Survival analysis revealed no significant differences in MACCE at 30 days (HR, 0.51; P = .52) or long-term follow-up (up to 5 years; HR, 0.40; P = .21) between the HCR and CABG groups.

Conclusions:

  • Staged hybrid coronary revascularization (HCR) demonstrates safety and effectiveness in managing selected ACS patients with complex coronary lesions.
  • HCR offers comparable long-term survival outcomes to traditional CABG, supporting its role as an attractive treatment option for this challenging patient population.
Abstract

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