Is the Future of Coronary Arterial Revascularization a Hybrid Approach?: The Canadian Experience Across Three Centers

Vincenzo Giambruno1, Ahmad Hafiz, Stephanie A Fox

  • 1From the *Division of Cardiac Surgery, Department of Surgery, Western University, London Health Sciences Centre, London, Ontario, Canada; †Division of Cardiac Surgery, University of Montreal, Montreal Heart Institute, Montreal, Quebec, Canada; ‡Division of Cardiac Surgery, University of British Columbia, St. Paul's Hospital, Vancouver, British Columbia, Canada; and §Division of Cardiology, Department of Medicine, ∥Department of Anesthesia and Perioperative Medicine, Western University, London Health Sciences Centre, London, Ontario, Canada.

Insights

Hybrid coronary revascularization combines surgical and percutaneous approaches, demonstrating excellent graft and stent patency. This safe strategy offers selected patients complete revascularization with minimal trauma and favorable long-term outcomes.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Minimally Invasive Procedures

Background:

  • Hybrid coronary revascularization integrates surgical and percutaneous interventions to leverage their respective advantages.
  • This approach aims to overcome the limitations inherent in isolated surgical or percutaneous coronary revascularization techniques.

Purpose of the Study:

  • To evaluate graft and stent patency at 6 months post-procedure.
  • To assess bleeding rates, intensive care unit (ICU) and hospital length of stay.
  • To determine rates of reintervention and long-term clinical outcomes following hybrid coronary revascularization.

Main Methods:

  • A total of 203 patients underwent robotic-assisted minimally invasive direct coronary artery bypass graft (MIDCAB) of the left internal thoracic artery (LITA) to the left anterior descending (LAD) artery and percutaneous coronary intervention (PCI) of a non-LAD vessel.
  • Procedures were performed in a single or two stages across three centers between March 2004 and November 2015.
  • Patients received 6-month angiographic follow-up and a mean clinical follow-up of 77.82 ± 41.4 months.

Main Results:

  • Successful hybrid coronary revascularization was achieved in 196 out of 203 patients (96.6%).
  • Mean ICU stay was 1 ± 1 days, mean hospital stay was 5 ± 2 days, and only 13.3% required blood transfusion.
  • Six-month angiographic follow-up showed LITA anastomotic patency of 97.9% and stent patency of 92.6%. Long-term follow-up revealed 95.1% survival and 90.7% freedom from revascularization.

Conclusions:

  • Hybrid coronary revascularization is a promising and safe strategy for selected patients.
  • It provides functionally complete revascularization with reduced surgical trauma.
  • The procedure is associated with favorable long-term clinical outcomes, including high survival and freedom from angina.
Abstract

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