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Transmyocardial revascularization with holmium laser

F García Corrales1, J C García-Rubira, J I Font

  • 1Department of Cardiovascular Medicine and Surgery, University Hospital V. Macarena, Sevilla, Spain.

Cardiology
|January 20, 1999
PubMed
Summary

Transmyocardial laser revascularization using holmium laser effectively treated refractory angina in patients ineligible for surgery. Survivors showed reduced angina, improved myocardial perfusion, and decreased ischemic burden.

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Area of Science:

  • Cardiology
  • Minimally Invasive Surgery

Background:

  • Angina refractory to medical therapy poses significant challenges.
  • Standard revascularization options are not suitable for all patients.

Purpose of the Study:

  • To evaluate the efficacy of transmyocardial laser revascularization (TMLR) with holmium laser in patients with severe angina ineligible for conventional treatments.

Main Methods:

  • Sixteen patients with refractory angina underwent TMLR with holmium laser.
  • Outcomes assessed included angina class, ejection fraction, Holter monitoring for ischemic burden, and myocardial perfusion imaging (201Tl SPECT).

Main Results:

  • A significant reduction in angina class was observed at 6 months (p = 0.002).
  • Myocardial perfusion improved in treated segments (p = 0.015), and Holter-measured ischemic burden decreased (p = 0.046).

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  • Ejection fraction did not significantly change, though baseline values were lower in non-responsive patients.

    • Conclusions:

    • Holmium laser TMLR is an effective treatment for ischemic patients unsuitable for standard revascularization.
    • Further research is needed to identify specific patient profiles that benefit most from this therapy.