background: coarctation of the aorta (coa) is a defect that accounts for 5-8% of all congenital heart diseases. balloon angioplasty as a treatment for coa is increasingly performed, with endovascular stents having been proposed as a means of improving the efficacy and safety of the procedure. the aim of this study was to evaluate the systolic blood pressure gradient at rest and during maximal e...

The in-stent restenosis may still occur in patients with a coronary bifurcation stenting. purpose of this study is to investigate the effect relationships between angles artery and three types stenting techniques (T-stenting, Culotte, Kissing techniques), for comparing two kinds arterial shapes using computational fluid dynamics (CFD) analysis. finite element models arteries were reconstructed ...

INTRODUCTION Coronary stenting is the primary means of coronary revascularization. There are two basic techniques of stent implantation: stenting with balloon predilatation of stenosis and stenting without predilatation (direct stenting). Limiting the time that a fluoroscope is activated and by appropriately managing the intensity of the applied radiation, the operator limits radiation in the e...

OBJECTIVE To compare the effects of arterial remodelling and plaque characteristics on the mechanisms of direct stenting and predilatation stenting. Direct stenting has become routine in some laboratories and differs technically from predilatation stenting. METHODS Pre- and post-interventional volumetric intravascular ultrasound (IVUS) was undertaken in 30 patients with direct stenting and in...

Objective: To compare the effects of arterial remodelling and plaque characteristics on the mechanisms of direct stenting and predilatation stenting. Direct stenting has become routine in some laboratories and differs technically from predilatation stenting. Methods: Preand post-interventional volumetric intravascular ultrasound (IVUS) was undertaken in 30 patients with direct stenting and in 3...

to minimize the risk of embolic events, several protection strategies have been introduced. we have evaluated the short-term outcome of patients who underwent carotid stenting with the routine use of cerebral protection devices. in our center, 36 successful carotid stenting procedures (of 38 attempted) were performed in 37 patients (23 men; age mean [sd] 667 years). cerebral protection involv...

conclusions routine predilation of the sb in provisional stenting of true bifurcation lesions seems to be ineffective and might be associated with some undesirable consequences. still, there are some complex ostial lesions of the sb which could benefit from predilation. patients and methods sixty patients with true bifurcation lesions according to the medina classification were included in the ...

Background: Lesions located at the ostium of the left anterior descending coronary artery (LAD) are considered an ideal target for directional atherectomy (DCA), but few data are available about the value of using this strategy before stenting in comparison with stenting alone. Objectives: To investigate the immediate and mid term clinical and angiographic results of DCA followed by stent impla...

STUDY OBJECTIVE To compare the long-term angiographic, clinical and economic outcome of direct stenting vs stenting after balloon predilatation. PATIENT POPULATION AND METHODS Four hundred patients with coronary stenoses in a single native vessel were randomized to direct stenting vs stenting after predilatation. A major adverse cardiac and cerebral event (MACCE) was defined as death, myocard...

BACKGROUND Although several randomized trials have demonstrated that coronary stenting improves angiographic and clinical outcomes for patients with acute myocardial infarction (AMI), the cost-effectiveness of this practice is unknown. The objective of the present study was to evaluate the long-term costs and cost-effectiveness (C/E) of coronary stenting compared with primary balloon angioplast...