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In the current era, complete revascularization improves survival after coronary artery bypass surgery

Thomas Kleisli1, Wen Cheng, Milagros J Jacobs

  • 1Division of Cardiothoracic Surgery, Cedars-Sinai Medical Center, Los Angeles, Calif, USA.

The Journal of Thoracic and Cardiovascular Surgery
|June 9, 2005
PubMed

Insights

Complete revascularization in coronary bypass grafting significantly improves 5-year survival rates. Arterial grafting also enhances outcomes, while off-pump techniques do not impact survival. Achieving complete revascularization is crucial for better patient prognosis.

Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Cardiac Surgery

Background:

  • Complete revascularization is the traditional standard in coronary bypass grafting.
  • Surgical techniques are evolving with increased use of arterial conduits and off-pump procedures.

Purpose of the Study:

  • To evaluate the impact of complete versus incomplete revascularization on long-term survival after coronary bypass grafting.
  • To assess the influence of arterial conduits and off-pump techniques on patient outcomes.

Main Methods:

  • A cohort of 1034 patients undergoing non-redo bypass surgery between 1998 and 2000 were followed.
  • Incomplete revascularization was defined as the absence of grafts to territories with >=50% stenosis.
  • Data collected via questionnaires and telephone contact, with follow-up averaging 3.3 years.

Main Results:

  • Incomplete revascularization occurred in 9.4% of patients and was more common in off-pump (21.7%) versus on-pump (6.3%) procedures.
  • Incomplete revascularization, cerebrovascular accidents, and COPD predicted increased cardiac death risk.
  • Arterial grafting (LITA, RITA, radial artery) significantly reduced cardiac death risk.
  • 5-year survival was 82.4% with complete revascularization vs. 52.6% with incomplete revascularization (P < .001).

Conclusions:

  • Complete revascularization and arterial grafting are associated with improved 5-year survival.
  • Off-pump techniques do not appear to affect survival rates.
  • Complete revascularization should be prioritized in bypass grafting whenever feasible.
Abstract

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