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Ann Card Anaesth ; 2010 Sept; 13(3): 231-235
Artículo en Inglés | IMSEAR | ID: sea-139536

RESUMEN

The study was done to detect the optimal site of left anterior descending (LAD) artery for grafting and for the assessment of geometrical and anatomical characteristics of left internal mammary artery (LIMA)-to-LAD artery anastomosis in elective off-pump coronary artery bypass grafting surgery. Fifteen consecutive patients who underwent coronary artery bypass graft (CABG) were included in the study. All the operations were performed by a single surgeon. Epicardial ultrasound probe was placed at the site of grafting for scanning and the site of anastomosis selected. The anticipated target site selected by the surgeon was scanned for patency, size, septal perforator branches, and presence of plaque and calcification. The surgeon identified the LAD artery in 12 patients. In three patients, the LAD artery was not visible. However, with epicardial ultrasound, the LAD artery was identified in all patients. In 6 of 15 patients, the anticipated target anastomotic site was changed to a clear segment either due to the presence of perforators or plaques or calcifications. In all 15 patients, the surgeon scored the anastomosis as good, based on his or her experience independent of the ultrasound image. The anastomotic score by the cardiac anesthesiologist showed 5 anastomoses with satisfactory results and 10 anastomoses with good results. The study demonstrates that epicardial ultrasound scanning with a 10-MHz transducer provides reliable information in choosing the proper anastomotic site and allows proper visualization of LIMA-to-LAD anastomosis. All these measurements are easily obtained without risk of any complications and the method is not time consuming.


Asunto(s)
Adulto , Anciano , Anastomosis Quirúrgica , Puente de Arteria Coronaria Off-Pump , Vasos Coronarios/cirugía , Vasos Coronarios/diagnóstico por imagen , Femenino , Humanos , Masculino , Arterias Mamarias/cirugía , Arterias Mamarias/diagnóstico por imagen , Persona de Mediana Edad , Pericardio/diagnóstico por imagen , Estudios Prospectivos , Método Simple Ciego , Resultado del Tratamiento , Grado de Desobstrucción Vascular
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