نتایج جستجو برای: transmyocardial laser revascularization
تعداد نتایج: 202109 فیلتر نتایج به سال:
Objective: Transmyocardial laser revascularization (TMLR) has been widely evaluated as a treatment for ischemic myocardium. However, its mechanism remains unclear. One mechanism is angiogenesis. This study examines the relationship between TMLR and angiogenesis from the viewpoint of matrix metalloproteinases and platelet-derived endothelial cell growth factor. Methods: The left anterior descend...
OBJECTIVE Transmyocardial Laserrevascularization (TMLR) is a treatment for end-stage coronary artery disease, that is not eligible for surgery or PTCA. The experience with TMLR using the Holium YAG laser is presented. METHODS Transmyocardial Laserrevascularization (TMLR) was performed in 28 patients with end stage coronary artery disease, using a new Holium YAG Laser. All patients were refrac...
BACKGROUND Although transmyocardial laser revascularization (TMR) has provided symptomatic relief of angina over the short term, the long-term efficacy of the procedure is unknown. Angina symptoms as assessed independently by angina class and the Seattle Angina Questionnaire (SAQ) were prospectively collected up to 7 years after TMR. METHODS Seventy-eight patients with severe angina not amena...
OBJECTIVE Transmyocardial laser revascularization (TMLR) has been used to provide enhanced myocardial perfusion in patients not suitable for coronary revascularization or angioplasty. This study investigates the acute changes in myocardial perfusion after TMLR with a Holmium:Yttrium-Aluminium-Garnet (YAG) laser with a thermal imaging camera in a model of acute ischaemia, and confirms its midter...
OBJECTIVE Whether transmyocardial laser revascularization (TMLR) provides a long-term benefit in terms of relief of angina, improvement of exercise tolerance, left ventricular function, and myocardial perfusion. METHODS Forty-one patients underwent TMLR using a holmium:YAG-laser, 14 as TMLR alone (group A), 27 with additional aortocoronary bypass grafting (group B). Follow-up was obtained at ...
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