1. Excimer laser in acute myocardial infarction: Single centre experience on 66 patients
- Author
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Ambrosini, V., Cioppa, A., Salemme, L., Tesorio, T., Sorropago, G., Popusoi, G., Stabile, E., Medolla, A., Cangella, F., Agrusta, M., Picano, E., and Rubino, P.
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HEART diseases , *CORONARY disease , *MYOCARDIAL infarction , *EXCIMER lasers - Abstract
Abstract: Background: Pulsed-wave ultraviolet excimer laser light at 308 nm can vaporise thrombus, suppress platelet aggregation, and, unlike other thrombectomy devices, ablates the underlying plaque. Aim: To evaluate both safety and efficacy of laser ablation in patients presenting with Acute Myocardial Infarction (AMI) complicated by persistent thrombotic occlusion. Methods: From May 2003 to October 2006, we enrolled 66 AMI patients (age 59±11 years; 57 men) presenting complete thrombotic occlusion of the infarct related vessel. All patients were treated with laser. Primary acute angiographic end-points was corrected TIMI frame count. Secondary echocardiographic end-point was left ventricular remodeling defined as an increase in end-diastolic volume ≥20% 6 months after infarction. Tertiary clinical endpoint was event-free survival at 6 months follow-up. Results: There were no intra-procedural death or coronary perforation. One primary angiographic failure was observed during lasing. Major dissection occurred in 1 (1.5%) and distal embolization in 4 patients (6%). Corrected TIMI frame count was 100 at baseline, 29±0.6 after lasing and 22±3 after stenting. At 6-months follow-up, left ventricular remodeling occurred in 8% patients. Event-free survival was 95% at 6-months follow-up. Conclusion: Laser angioplasty is feasible, safe and effective for the challenging treatment of patients with AMI and thrombus-laden lesions. The acute effects on coronary epicardial and myocardial reperfusion are excellent. [Copyright &y& Elsevier]
- Published
- 2008
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