Search Results
Results 401 - 450 of 2721
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Hashemi Mohammad - - 2008
BACKGROUND: Enhanced external counterpulsation (EECP) is a noninvasive, pneumatic technique that provides favourable effects in patients with coronary artery disease. The objective of this study was to describe the long-term effect of EECP on endothelial function in patients with ischaemic cardiomyopathy. METHOD: The study was performed in 15 patients with ...
Kim Edward - - 2008
Our objective is to describe our approach to the management of patients with single-ventricle physiology and restrictive tunnel patent foramen ovale (TPFO) with unfavorable atrial septal morphology. We describe a series of five patients with single-ventricle physiology and restrictive TPFO and our experience with radiofrequency perforation (RFP), static balloon atrial ...
Macaya Carlos - - 2008
In the ABSORB trial, the feasibility of using a fully bioabsorbable everolimus-eluting stent (BVS; Abbott Vascular, Santa Clara, CA) in patients with ischemia and a single de novo coronary lesion was investigated. Some important concerns about the efficacy of this device were raised by this study. The in-stent late loss ...
Steinwender Clemens - - 2008
BACKGROUND: Following stenting for acute myocardial infarction, transcoronary transplantation of granulocyte-colony stimulating factor (G-CSF) mobilized autologous stem cells (ASC) has been shown to result in an increased in-stent restenosis rate of bare metal stents (BMS). HYPOTHESIS: This study sought to compare the extent of neointimal growth in BMS and sirolimus-eluting ...
Karjalainen Pasi P - - 2008
AIMS: The aim of this study was to evaluate the effectiveness of titanium-nitride-oxide (TITANOX)-coated stent and paclitaxel-eluting stent (PES) in patients presenting with acute myocardial infarction (MI). METHODS AND RESULTS: A total of 425 patients presenting with acute non-ST-elevation MI or ST-elevation MI were randomly assigned to receive TITANOX-coated stent ...
Barragan Paul - - 2008
AIMS: Recent studies of drug-eluting stents for unprotected left main coronary artery (LMCA) disease have been encouraging. We examined the performance of sirolimus-eluting stents (SES) for this indication. METHODS AND RESULTS: This retrospective study included 228 consecutive patients (mean age = 68 +/- 11 years, 80.6% men, 26.3% diabetics) who ...
Jensen Jan S - - 2008
AIMS: The risk of stent thrombosis has been reported to increase with percutaneous coronary intervention (PCI) complexity. The present study reports the pre-specified secondary endpoint of a 14-month stent thrombosis and major adverse cardiac events in patients stented with a simple versus a complex bifurcation technique using sirolimus eluting stents ...
Cheng Stephen W K - - 2008
Significant stent graft remodeling commonly occurs after endovascular repair of thoracic aortic dissections because of continuing expansion of the true lumen. A suboptimal proximal landing zone, minimal oversizing, and lack of a healthy distal attachment site are unique factors affecting long-term stent graft stability. We used computational fluid dynamic techniques ...
Newsome Lisa T - - 2008
The management of patients with coronary artery stents during the perioperative period is one of the most important patient safety issues clinicians confront. Perioperative stent thrombosis is a life-threatening complication for patients with either bare-metal or drug-eluting stents. Noncardiac surgery appears to increase the risk of stent thrombosis, myocardial infarction, ...
Onuma Yoshinobu - - 2008
Drug eluting stents (DES) have attracted considerable attention due to concerns of late stent thrombosis (LST) thought to be related to delayed endothelialisation. This hypothesis is based on clinical autopsy studies indicating an association between lack of endothelium and LST. However, meta-analysis of clinical trials does not support the notion ...
Newsome Lisa T - - 2008
The subspecialty of interventional cardiology has made significant progress in the management of coronary artery disease over the past three decades with the development of percutaneous coronary transluminal angioplasty, atherectomy, and bare-metal and drug-eluting stents (DES). Bare-metal stents (BMS) maintain vessel lumen diameter by acting as a scaffold and prevent ...
Austin David - - 2008
BACKGROUND: The US Food and Drug Administration recently concluded that data on off-label drug-eluting stent (DES) safety are limited. However, in actual clinical practice, DES are often used for off-label indications, and observational studies demonstrate that complications are higher when compared with on-label use. We aimed to determine whether clinical ...
Brodie Bruce R - - 2008
This study evaluates outcomes and complications in patients treated with drug-eluting stents (DES) for "off-label" indications. Drug-eluting stents have been effective in randomized trials, but their safety and efficacy for off-label indications has not been well studied. The STENT (Strategic Transcatheter Evaluation of New Therapies) Registry is the largest multicenter ...
Zhu Zheng Bin - - 2009
OBJECTIVE: The RIFT study aimed to observe the impact of renal insufficiency (RI) on the incidence of stent thrombosis (ST) after percutaneous coronary intervention. METHODS: The RIFT study enrolled 1,174 patients undergoing revascularization exclusively with sirolimus-eluting stents. The occurrence of ST and major adverse cardiac events were compared between patients ...
Lewis Gladius - - 2008
It is well known that, across all populations (based on geographic location, race, ethnicity, age, and sex), coronary artery disease (CAD) is the single most common cause of death. The commonly performed revascularization procedures for the treatment of symptomatic CAD are percutaneous transluminal coronary angioplasty (PTCA) by itself or followed ...
Sheiban C - - 2008
AIM: Percutaneous drug-eluting stent (DES) implantation is commonly used in patients with unprotected left main (ULM) disease. As this procedure has been performed routinely in Turin Center since 2002, this article aimed to summarize a five year-experience in DES implantation in the ULM. METHODS: Baseline, procedural and in-hospital outcome data ...
Chevalier Bernard - - 2008
AIMS: It is unclear whether primary aspiration can prevent distal embolisation and thereby improve myocardial perfusion in patients presenting with acute myocardial infarction (AMI) within 12 hours after onset. METHODS AND RESULTS: At 24 centres in Europe and India, 249 AMI patients were randomised to primary aspiration with the Export ...
Basta Giuseppina - - 2008
OBJECTIVE: In animal models, increased tissue receptor for advanced glycation end products and its ligands, including N-epsilon-(carboxymethyl)lysine (CML), are critically implicated in postprocedural intimal hyperplasia after balloon injury. In patients undergoing percutaneous coronary interventions with stenting, we investigated whether plasma levels of CML and the soluble form of receptor for ...
Ali Munsif - - 2008
OBJECTIVE: To evaluate the immediate post procedure, thirty-days, and six-months clinical outcomes of sirolimus-eluting stents (SES) implantation in patients with single and multivessel coronary artery disease (CAD). METHODS: A case series of all consecutive patients undergoing percutaneous coronary interventions (PCI) with SES implantation at Shifa International Hospital, Islamabad, were evaluated ...
Bruining Nico - - 2008
AIMS: To investigate if three-dimensional (3D) based quantitative techniques are comparable to each other and to explore possible differences with respect to the reference method of 2D-QCA in the acute phase and to study whether non-invasive MSCT could potentially be applied to quantify luminal dimensions of a stented coronary segment ...
Sheiban Imad - - 2008
OBJECTIVES: In-stent restenosis occurs not infrequently after intracoronary implantation of bare-metal stents. Many techniques have been proposed for the treatment of in-stent restenosis, but drug-eluting stents seem to provide the best early and mid-term results. We aimed to appraise whether the effectiveness of drug-eluting stents for in-stent restenosis is maintained ...
Ibrahim K - - 2008
A 63-year-old male Patient was admitted to the intensive care unit due to acute inferior myocardial infarction with right ventricular dysfunction. He received a loading dose of clopidogrel (600 mg) and aspirin (500 mg) and was immediately revascularized by reopening of the proximal right coronary artery (RCA) and implantation of ...
Stone Gregg W - - 2008
Previous observational studies have evaluated the utility of prolonged thienopyridine therapy in patients receiving drug-eluting stents, with conflicting results. A landmark analysis was therefore performed on the basis of the prospective, double-blind TAXUS-II SR, TAXUS-IV, and TAXUS-V trials. Of 2,736 randomized patients, 2,171 were event free at 1 year, of ...
Trabattoni Daniela - - 2009
In-stent restenosis (ISR) occurs in 20% to 40% of de novo coronary lesions treated with bare-metal stents (BMS), depending on lesion and patient-related factors. Drug-eluting stents coated with antiproliferative agents, represent a valid rationale for treatment and prevention of recurrent ISR, with low MACE rates. However, case reports and observational ...
Hadaschik Boris A - - 2008
PURPOSE: Ureteral stents often result in patient morbidity and the potential for a forgotten stent. When the suture tether is detached, a secondary procedure is required for removal. Previous attempts at developing biodegradable ureteral stents have been unsuccessful since those stents were not biocompatible or they failed to degrade in ...
Davia L - - 2009
Coronary restenosis consists of the partial/total re-occlusion of the artery lumen following percutaneous transluminal angioplasty (PTCA). In order to match this pathology, PTCA is followed by the implantation of rigid scaffolds (stent or coated stent) aimed to contrast the most important mechanical (coronary wall elastic recoil and late remodelling) and ...
Kashiwase Kazunori - - 2008
A 70-year-old woman was performed percutaneous coronary intervention at the stenotic lesion of the 1st diagonal branch. Soon after stenting, cardiac tamponade occurred and emergent cardiac surgery was performed. A large epicardial hematoma was observed in the antero-lateral wall that was compressing the distal diagonal branch. The patient died of ...
Burgstahler Christof - - 2009
High coronary calcium scores are known to be associated with elevated all-cause mortality. Moreover, low response to clopidogrel influences cardiovascular outcome after coronary stent placement. We sought to evaluate whether elevated calcium scores measured by cardiac computed tomography are associated with a higher residual platelet aggregation (RPA) after treatment with ...
Kong David F - - 2008
Stents that elute antiproliferative drugs prevent restenosis after percutaneous coronary artery revascularization, reducing the need for repeat procedures. Randomized trials in low-risk patients supported initial regulatory approval for drug-eluting stents (DES). In 2006, meta-analyses of long-term outcomes from these trials associated DES use with adverse events, believed to be attributable ...
Hong Young Joon - - 2008
OBJECTIVES: The aim of this study was to assess the incidence, predictors, and outcome of plaque prolapse (PP) after stent implantation in acute myocardial infarction. BACKGROUND: The imaging characteristics of PP in patients with acute myocardial infarction are not well known. METHODS: Intravascular ultrasound (IVUS) imaging was performed in 310 ...
Oncel Dilek - - 2008
OBJECTIVE: Dual-source CT has excellent temporal resolution and allows good visualization of coronary vessels without heart rate control. Our aim was to evaluate the diagnostic performance of dual-source CT in the evaluation of coronary stent patency to determine whether the good temporal resolution would improve visualization of stents. SUBJECTS AND ...
Nomoto Kazumiki - - 2008
BACKGROUND: Sirolimus-eluting stents (SES) reduce restenosis and revascularization rates, compared with bare-metal stents (BMS), in elective percutaneous coronary intervention (PCI). This study investigated the safety and efficacy of SES for emergency PCI in acute coronary syndrome (ACS) patients. METHODS AND RESULTS: The 154 consecutive patients (SES: n=77, BMS: n=77) admitted ...
Talbert Robert L - - 2008
PURPOSE: The role of antiplatelet therapy in preventing and treating cardiovascular disease is reviewed. SUMMARY: Cardiovascular disease, especially coronary heart disease, contributes to substantial morbidity and mortality in the United States and raises healthcare costs. Current guidelines from the American College of Cardiology and the American Heart Association, in conjunction ...
Jeger Raban V - - 2009
OBJECTIVES: To define long-term efficacy of different stent types in saphenous vein graft (SVG) interventions. METHODS: In BASKET (Basel Stent Cost Effectiveness Trial), major adverse cardiac events (MACE), i.e. cardiac death, myocardial infarction and symptom-driven target vessel revascularization (TVR) were assessed after 18 months comparing drug-eluting stents (DES) versus bare ...
Okabe Teruo - - 2008
Conflicting data exist regarding an advantage of drug-eluting stents (DES) over bare metal stents (BMS) in catheter-based treatment of saphenous vein graft (SVG) stenoses. This study was undertaken to compare the efficacy of these modalities in that lesion subset. The DES group consisted of 138 cases with 183 lesions (sirolimus-eluting ...
Im Eui - - 2009
Antiplatelet therapy has been shown to reduce cardiac events after coronary stenting. However, despite aggressive antiplatelet therapy, stent thrombosis remains a serious complication of coronary stenting with drug-eluting stent (DES). Although several predictors for DES thrombosis have been suggested by investigators, this serious condition is still not completely preventable now. ...
Malenka David J - - 2008
Although drug-eluting stents reduce restenosis rates relative to bare-metal stents, concerns have been raised that drug-eluting stents may also be associated with an increased risk of stent thrombosis. Our study focused on the effect of stent type on population-based interventional outcomes. To compare outcomes of Medicare beneficiaries who underwent nonemergent ...
Collins Nicholas - - 2008
The optimal approach to percutaneous coronary intervention (PCI) of bifurcation lesions remains unclear, reflecting lack of long-term follow-up and heterogeneity of lesions encountered. We evaluated the long-term outcome of patients undergoing bifurcation PCI followed in the prospective bifurcation registry at the University Health Network, Toronto, Ontario, Canada. Of 526 patients ...
Hamilos Michalis I - - 2008
OBJECTIVES: The aim of our study was to compare coronary vasomotion after implantation of a second-generation biolimus A9-eluting stent (BES) and of a sirolimus-eluting stent (SES). BACKGROUND: Drug-eluting stents (DES) have been associated with impaired local coronary vasomotion, delayed endothelialization, and increased late thrombotic risk. New DES with different drugs, ...
Lim Sang Yup - - 2008
Very late stent thrombosis (VLST) after implantation of drug-eluting stent is rare, but very fatal complication after percutaneous coronary intervention. We report a case of VLST of a sirolimus-eluting Cypher stent (Cordis, Johnson and Johnson) presenting as acute ST elevation myocardial infarction at 26 months after deployment with continued combined ...
Clair Daniel G - - 2008
Although carotid angioplasty and stenting have been performed for more than 20 years, the regulations surrounding its performance have remained a controversial issue. Intervention in the cerebral vascular bed is the only area in which regulations have limited the applicability of interventional techniques to vascular disease. Whether or not this ...
Zwolak Robert M - - 2008
Carotid stent placement received assignment of two Category I Current Procedural Terminology (CPT) codes in 2005, based on the collaborative efforts of 10 medical, surgical, and radiological specialty societies. One code is used to report stent placement with embolic protection, the other without embolic protection. The codes are unusual for ...
Shishehbor Mehdi H - - 2008
We sought to examine the clinical outcomes of patients treated with drug-eluting stents (DES) compared with bare-metal stents (BMS) during primary angioplasty for ST-segment elevation myocardial infarction (STEMI). Pathophysiologic studies suggest that the use of DES for STEMI may be associated with stent thrombosis and increased clinical events. However, although ...
Romagnoli Enrico - - 2008
BACKGROUND: To date, only two drug-eluting stents (DES) have been extensively tested in both randomized controlled clinical trials and large 'real world' registries: sirolimus-DES (Cypher stent, Cordis, Miami Lakes, Florida, USA) and paclitaxel-DES (Taxus stent, Boston Scientific, Natick, Massachusetts, USA). Recently, a new polymer-free tacrolimus-eluting Carbofilm-coated stent, the Janus stent ...
Chen S L - - 2008
Classical crush has a lower rate of final kissing balloon inflation (FKBI) immediately after percutaneous coronary intervention (PCI). The double kissing (DK) crush technique has the potential to increase the FKBI rate, and no prospective studies on the comparison of classical with DK crush techniques have been reported. Three hundred ...
Pinto Slottow Tina L - - 2008
Stent thrombosis (ST) is a major safety concern after drug-eluting stent (DES) deployment, resulting in significant morbidity and mortality. The goal of this study was to examine the incidence, timing, clinical correlates, and outcomes after DES thrombosis in a real-world population. A retrospective analysis of 8,402 patients who underwent percutaneous ...
Roy Probal - - 2008
Multiple studies comparing sirolimus-eluting stents (SES) and paclitaxel-eluting stents (PES) in patients with coronary artery disease have been performed. Despite these comparisons, it remains uncertain whether a differential in long-term efficacy and safety exists. Unselected patients treated exclusively with 1 drug-eluting stent type were enrolled in the Registry Experience at ...
Groeneveld Peter W - - 2008
OBJECTIVES: We sought to determine whether drug-eluting stents (DES) were associated with improved clinical outcomes compared with bare-metal stents (BMS) among a nationally representative, nonexperimental elderly patient cohort. BACKGROUND: Randomized controlled clinical trials comparing DES and BMS for treatment of coronary artery disease indicate that although the use of DES ...
Kim Jung-Sun - - 2008
The impact of type of balloon such as noncompliant (NC; Quantum) or semicompliant (SC; Maverick(2)) used after stent dilation on optimal stent expansion (OSE) has not been established for drug-eluting stents (DESs). We conducted a prospective multicenter, randomized study to compare NC with SC balloons after stent balloon dilatation. A ...
van der Hoeven, Barend ...
The aim of this thesis was to evaluate new developments in the treatment of patients with ischemic heart disease, with special focus to the invasive evaluation of plaque characteristics in patients with ST-segment elevation myocardial infarction (STEMI) and treatment of STEMI patients with drug-eluting stents. Additionally, the results of two ...
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