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Related Experiment Videos

Total arterial revascularisation in left ventricular dysfunction.

Yongzhi Deng1, Zongquan Sun, Hugh S Paterson

  • 1Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.

Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban
|May 23, 2006
PubMed
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Total arterial coronary revascularization using two arterial grafts is safe and feasible for patients with impaired left ventricular function. This approach, utilizing conduits like the radial artery, ensures effective revascularization even with severe heart dysfunction.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Surgery
  • Vascular Surgery

Background:

  • Patients with impaired left ventricular function often present complex surgical challenges.
  • Coronary artery bypass grafting (CABG) is a standard treatment for ischemic heart disease.
  • Total arterial revascularization (TAR) aims to improve long-term outcomes by using only arterial grafts.

Purpose of the Study:

  • To evaluate the feasibility and safety of total arterial coronary revascularization (TAR) using two arterial conduits.
  • To assess outcomes in patients with moderately or severely impaired left ventricular function undergoing TAR.
  • To compare the utility of different arterial conduits in this patient population.

Main Methods:

  • Prospective data collection from March 1995 to August 2002.

Related Experiment Videos

  • Inclusion of 179 patients with multi-vessel disease and impaired left ventricular function undergoing TAR with two conduits.
  • Analysis of perioperative outcomes including mortality, myocardial infarction, and stroke.

    • Main Results:

    • Perioperative mortality was 2.2%, myocardial infarction 1.7%, and stroke 0.6%.
    • A Y-graft configuration was used in 82% of patients, primarily utilizing the left internal mammary artery.
    • The radial artery demonstrated sufficient length for revascularization, even in cases of left ventricular dilatation.

    Conclusions:

    • Total arterial coronary revascularization with two arterial conduits is a safe and feasible option for patients with ischemic left ventricular dysfunction.
    • The radial artery is a valuable conduit, offering adequate length for complete revascularization, particularly in dilated ventricles.
    • This surgical strategy can be safely implemented in a complex patient cohort, including those with prior sternotomies.