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[Off-pump coronary artery bypasssurgery in patients with mitral regurgitation]

K Nakamura1, K Hashimoto, H Okuyama

  • 1Department of Cardiovascular Surgery, Jikei University School of Medicine, Tokyo, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|November 12, 2005
PubMed

Insights

Off-pump coronary artery bypass grafting (OPCAB) may be safe for patients with mitral regurgitation. Using a heart positioner during OPCAB did not cause hemodynamic issues or worsen mitral regurgitation in a small study.

Area of Science:

  • Cardiovascular Surgery
  • Cardiac Anesthesia
  • Cardiac Imaging

Background:

  • Off-pump coronary artery bypass grafting (OPCAB) offers benefits like reduced bypass and cardiac arrest times.
  • Potential advantages for patients with poor cardiac function and renal dysfunction exist.
  • Hemodynamic tolerance during cardiac displacement in OPCAB remains uncertain, especially with concurrent valvular disease.

Observation:

  • Three patients with ischemic heart disease and non-ischemic mitral regurgitation underwent OPCAB before mitral valve plasty.
  • Transesophageal echocardiography and hemodynamic monitoring assessed mitral regurgitation and stability during heart manipulation.
  • A heart positioner (Starfish) was utilized to maintain cardiac position.

Findings:

  • No observed hemodynamic deterioration occurred when the heart positioner was used.
  • The use of the heart positioner did not lead to aggravation of mitral regurgitation.
  • Hemodynamic parameters remained stable throughout the procedure in the studied patients.

Implications:

  • OPCAB may be a safe surgical option for patients with coexisting mitral regurgitation.
  • The findings suggest that cardiac displacement during OPCAB is manageable with appropriate tools.
  • Further research is warranted to confirm the safety and efficacy in a larger patient cohort.

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