Abstract
To evaluate immediate changes in left ventricular wall motion in patients treated using Biosense direct myocardial revascularization laser system. Regional wall motion in 10 patients undergoing catheter-based direct myocardial revascularization using a holmium:yttrium aluminium garnet laser was assessed by transesophageal echocardiography before and immediately after the procedure. Mild deterioration in wall-motion score occurred rarely for only three of 160 (1.9%) segments and did not induce clinical heart failure. With the current catheter-based laser myocardial revascularization strategy, mild deterioration in wall motion of treated segments was rarely observed and did not effect overall left ventricular function or induce clinical congestive heart failure.
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