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Related Experiment Videos

Transmyocardial laser revascularisation in Edinburgh

I Morgan1, C Campanella

  • 1Department of Cardiothoracic Surgery, Royal Infirmary of Edinburgh NHS Trust, UK.

The British Journal of Theatre Nursing : Natnews : the Official Journal of the National Association of Theatre Nurses
|April 17, 1998
PubMed
Summary

Transmyocardial Laser Revascularisation (TMR) using a Xenon-Chloride Excimer laser is a feasible option for patients with severe angina unsuitable for conventional treatments. This minimally invasive procedure offers sustained relief from angina and improved recovery.

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Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Procedures
  • Laser Technology

Background:

  • Patients with severe angina often have limited treatment options.
  • Conventional coronary revascularisation may not be suitable for all patients.
  • The Xenon-Chloride Excimer laser offers a potential alternative for myocardial revascularisation.

Purpose of the Study:

  • To evaluate the feasibility of Xenon-Chloride Excimer laser for Transmyocardial Laser Revascularisation (TMR).
  • To assess the efficacy of TMR in patients unsuitable for conventional coronary artery bypass grafting (CABG).
  • To evaluate modifications in TMR technique for less invasive application.

Main Methods:

  • 30 patients unsuitable for conventional revascularisation underwent TMR (alone or with CABG) between 1995-1997.

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  • Evaluations included NYHA status, exercise tests, echocardiography, and myocardial perfusion scans.
  • Surgical techniques evolved from sternotomy to a less invasive thoracotomy approach.

    • Main Results:

    • Significant improvement in angina (NYHA class) was observed post-TMR (p < 0.001).
    • Objective improvements in myocardial perfusion and function were noted in some patients.
    • Complications were uncommon, with one case of AV dissociation requiring a pacemaker.

    Conclusions:

    • Transmyocardial Laser Revascularisation (TMR) is a useful adjunct for angina relief in select patients.
    • TMR is particularly beneficial for patients unsuitable for or poor candidates for conventional surgery.
    • Modified TMR techniques facilitate a less invasive approach and faster recovery.