Simpson, J.B.

atherectomy atherosclerotic plaque prosthetic valve transesophageal continuous-wave doppler dilatation section atherectomy device artery plaque tissue histologic dissection transesophageal atherosclerotic echocardiography disease transesophageal echocardiography balloon hematoxylin-azophloxine stain transthoracic doppler angiogram right level pericardial sac echo contrast device media study perforation pericardial leuel evaluation bail-out technique palo alto lesion aneurysm formation angioplasty heart stain adventitial tissue atherectomy specimens atria 1 magnification prosthetic valves 2 days vessel wall communication atria rakowski h bail-out gradient edwards wd thromboembolic risk pseudoaneurysm continuous-wave technique 2. postmortem barium 2 mm hg ischemic heart disease prosthetic valve dysfunction procedure 1 mm hg valve prosthetic structure rotterdam 0.7 cm 2. bail-out robert j assessment spiral medial dissection balfrom adepartment rotterdam cardiol vessel 13 mm hg postmortem barium angiogram doppler echocardiography assessment contrast daniel atria 1 surface prosthetic diastolic gradient