![]() It is concluded that the channels created in the myocardium effectively helped to protect the myocardium from acute coronary artery occlusion in this model in dogs. Microscopically, the channels were patent and endothelialized. The penetration through the endocardial surface could be demonstrated. ![]() At autopsy, the epicardial sites of the channels created by the laser were clearly visible and a lack of charring in the channels was demonstrated. In the control group, all of the animals died within 20 minutes of ligation of the artery. Using a device with a blade or laser to remove plaque. Putting a small metal tube inside your artery to hold the artery open. A prospective, multicenter, randomized trial of percutaneous transmyocardial laser revascularization in patients with nonrecanalizable chronic total occlusions. Stone GW, Teirstein PS, Rubenstein R, et al. Using a balloon to push plaque (fatty) buildup against your artery walls to open up the artery. Myocardial laser revascularization for the treatment of end-stage coronary artery disease. The animals were subsequently sacrificed at various intervals. Healthcare providers can perform revascularization of your leg with: Angioplasty. In the first 3 groups, the myocardium was protected by the channels produced by the application of the laser energy. In the fourth control group, the LAD artery was ligated but the myocardium was not subjected to laser treatment. In 3 of the groups, the left anterior descending (LAD) coronary artery was ligated above the first diagonal branch and the myocardium was treated with the laser energy according to the protocol of that group. ![]() The technique was investigated in 4 groups of 6 mongrel dogs each. The possibility of revascularizing the myocardium with high-energy laser was investigated based on the finding that the laser beam could produce small channels in the tissue of the myocardium that were devoid of debris and scarring.
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