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PURPOSE The purpose of this study was to delineate the natural history of the progression of asymptomatic carotid stenosis. METHODS In a 10-year period, 1701 carotid arteries in 1004 patients who were asymptomatic were studied with serial duplex scans (mean follow-up period, 28 months; mean number of scans, 2.9/patient). At each visit, stenoses of the(More)
OBJECTIVES Abdominal aortic aneurysm (AAA) repair has undergone vast changes in the last decade. We reviewed a national database to evaluate the effect on utilization of services and rupture rates. METHODS From the Centers for Medicare Services (CMS), a 5% inpatient sample was obtained for 1994 to 2003 as beneficiary encrypted files (5% BEF) and as a(More)
Abdominal aortic aneurysm (AAA) is a vascular condition where the use of a biomechanics-based assessment for patient-specific risk assessment is a promising approach for clinical management of the disease. Among various factors that affect such assessment, AAA wall thickness is expected to be an important factor. However, regionally varying patient-specific(More)
BACKGROUND To evaluate our experience with staged carotid endarterectomy (CEA) followed by coronary artery bypass grafting (CABG) within the perioperative period for patients with severe carotid and coronary artery disease. METHODS From 1998 to August of 2010, 40 patients who were referred for isolated coronary surgery were found to have significant(More)
PURPOSE The purpose of this study was to define the clinical features of aortic aneurysms occurring in heart transplant recipients. METHODS Among the 734 patients who have undergone heart transplantation at our institution over the last 14 years, we have identified 12 patients (1.6% incidence) with aortic aneurysms (9 infrarenal, 3 thoracoabdominal),(More)
OBJECTIVE This study aims to review retrospectively the records of patients treated with carotid artery stenting (CAS) to investigate the potential correlations between clinical variables, distal protection filter (DPF) type and characteristics, and 30-day peri-/postprocedural outcomes. METHODS This is a multicenter, single-arm, nonrandomized(More)
OBJECTIVES Endovascular aneurysm repair (EVAR) has changed the practice of abdominal aortic aneurysm (AAA) surgery. We examined a national Medicare database to establish the effect of EVAR introduction into the United States. METHODS A 5% random sample of inpatient Medicare claims from 2000 to 2003 was queried using International Classification of(More)
BACKGROUND Levels of body iron stores, represented by the serum ferritin concentration, rise with age after adolescence in men and menopause in women. This rise has been implicated mechanistically and epidemiologically in the pathogenesis of atherosclerosis through iron-induced oxygen free radical-mediated lipid oxidation. However, the precise contribution(More)
OBJECTIVE The purpose of this study is to compare both computed tomographic scan (CT) and color flow duplex ultrasound scanning (CDU) as surveillance modalities for clinically significant endoleaks and to evaluate concordance in abdominal aortic aneurysm (AAA) diameter measurements in patients after endovascular aneurysm repair (EVAR) in a busy hospital(More)
OBJECTIVE The ideal hemostatic agent for treatment of suture-line bleeding at vascular anastomoses has not yet been established. This study evaluated whether the use of a fibrin sealant containing 500 IU/mL thrombin and synthetic aprotinin (FS; marketed in the United States under the name TISSEEL) is beneficial for treatment of challenging suture-line(More)