PubMed Journals Articles About "AngioSculpt® Coronary Bifurcation Study" RSS

05:20 EDT 23rd October 2018 | BioPortfolio

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Showing "AngioSculpt Coronary Bifurcation Study" PubMed Articles 1–25 of 60,000+

Comparison of the planned one- and elective two-stent techniques in patients with coronary bifurcation lesions with or without acute coronary syndrome from the COBIS II Registry.

To evaluate the impacts of stent techniques on long-term clinical outcomes after percutaneous coronary intervention (PCI) using drug-eluting stents (DES) for coronary bifurcation lesions in patients with or without acute coronary syndrome (ACS).

Culotte stenting for coronary bifurcation lesions with 2nd and 3rd generation everolimus-eluting stents: the CELTIC Bifurcation Study.

The aim of this study was to provide contemporary outcome data for patients with de novo coronary disease and Medina 1,1,1 lesions who were treated with a culotte two-stent technique, and to compare the performance of two modern-generation drug-eluting stent (DES) platforms, the 3-connector XIENCE and the 2-connector SYNERGY.

A review in enormity of OCT and its enduring understanding of vulnerable plaque in coronary bifurcation lesion.

Optical coherence tomography (OCT) has emerged as one of the most promising tools to assist the optimization of percutaneous coronary intervention (PCI). Its ability to provide unique information on the plaque at high risk for rupture, plaque composition, the thickness of the fibrous cap, the presence of macrophage and thrombi has not only assisted simple PCI but also in many complex bifurcation lesions PCI. OCT has helped to provide valuable anatomic information to optimize stent implantation and adapt PCI...

Bifurcation lesion assessment with advanced quantitative coronary angiography: A method still wanting.

Bifurcations are particularly prone to errors in visual estimation of diameter stenosis. Dedicated bifurcation QCA software confirmed only 26-27% of side branch lesions visually estimated to have >50% DS. Validation against physiologic measures is necessary to determine whether bifurcation QCA software has value.

Treatment of Bifurcation Lesions: Has DK Crush"ed" the Competition?

This paper reviews the double-kiss crush (DK crush) technique in coronary artery bifurcation lesions. The technical aspects of the procedure and the clinical data supporting its use are summarized.

Relationship between left main and left anterior descending arteries bifurcation angle and coronary artery calcium score in chronic kidney disease: A 3-dimensional analysis of coronary computed tomography.

A high coronary artery calcium score (CACS) predicts a poor prognosis in patients with coronary artery disease. We examined the relationship between the bifurcation angle and the CACS of the left main (LM) and left anterior descending (LAD) arteries in patients suffering from chronic kidney disease (CKD).

Biomechanical Impact of Wrong Positioning of a Dedicated Stent for Coronary Bifurcations: A Virtual Bench Testing Study.

The treatment of coronary bifurcations is challenging for interventional cardiologists. The Tryton stent (Tryton Medical, Inc., USA) is one of the few devices specifically designed for coronary bifurcations that underwent large clinical trials. Although the manufacturer provides specific recommendations to position the stent in the bifurcation side branch (SB) according to four radio-opaque markers under angiographic guidance, wrong device positioning may accidentally occur. In this study, the virtual bench...

Coronary bifurcation bench test using multimodality imaging: Impact of stent strut link location on stent deformity and jailed side-branch orifices during re-proximal optimizing technique.

The purpose of this study was to compare the stent deformation, obstruction of stent struts at a jailed side branch (SB) ostium, and stent strut malapposition after a repetitive proximal optimizing technique (re-POT) sequence between bifurcation lesions with and without stent links at SB ostia in ex vivo experimental setting.

Intravascular ultrasound-guided drug-eluting stent implantation is associated with improved clinical outcomes in patients with unstable angina and complex coronary artery true bifurcation lesions.

Stenting coronary artery bifurcation lesion is associated with suboptimal clinical results. Clinical improvement by intravascular ultrasound (IVUS) guided bifurcation stenting is controversial because small-side-branch (SB), low-risk patients and false bifurcations were included in previous studies that had no exact IVUS criteria for optimal stent expansion. We sought determine whether IVUS guidance is superior to angiography guidance for patients with true and complex bifurcation lesions. Between July 2006...

Benefit of a new provisional stenting strategy: the re-Proximal Optimizing Technique. The rePOT clinical study.

A new coronary bifurcation provisional stenting technique without kissing balloon, rePOT, associating proximal optimizing technique (POT), side-branch inflation and final POT, showed excellent mechanical results in a bench test. The present study sought to use optical coherence tomography (OCT) to quantify the mechanical results of rePOT in vivo in a large patient sample with complex coronary bifurcations.

Benchmark for numerical models of stented coronary bifurcation flow.

In-stent restenosis ails many patients who have undergone stenting. When the stented artery is a bifurcation, the intervention is especially critical because of the complex stent geometry involved in these structures. Computational Fluid Dynamics (CFD) has demonstrated to be an effective approach when modelling blood flow behavior and understanding the mechanisms that underlie in-stent restenosis. These CFD models, however, require validation through experimental data in order to be reliable. It is with thi...

Outcomes With Drug-Coated Balloons for Treating the Side Branch of Coronary Bifurcation Lesions.

Treating coronary bifurcations remains limited by technical difficulties and suboptimal long-term outcomes, often affecting the side branch (SB). Drug-coated balloon (DCB) in SB treatment could reduce neointimal hyperplasia and the risk for restenosis.

Sodium-fluoride PET-CT for the non-invasive evaluation of coronary plaques in symptomatic patients with coronary artery disease: a cross-correlation study with intravascular ultrasound.

The aim of this study was to evaluate the F-sodium fluoride (F-NaF) coronary uptake compared to coronary intravascular ultrasound (IVUS) in patients with symptomatic coronary artery disease.

Current Status of the PulseRider in the Treatment of Bifurcation Aneurysms: A Systematic Review.

The PulseRider is an innovative stent-like device designed for the treatment of intracranial bifurcation aneurysms. The aim of this study was to assess the current evidence on safety and effectiveness of the PulseRider.

A new era for electron bifurcation.

Electron bifurcation, or the coupling of exergonic and endergonic oxidation-reduction reactions, was discovered by Peter Mitchell and provides an elegant mechanism to rationalize and understand the logic that underpins the Q cycle of the respiratory chain. Thought to be a unique reaction of respiratory complex III for nearly 40 years, about a decade ago Wolfgang Buckel and Rudolf Thauer discovered that flavin-based electron bifurcation is also an important component of anaerobic microbial metabolism. Their ...

Analysis of anomalous origin of coronary arteries by coronary angiography in Chinese patients with coronary artery disease.

With the development of coronary angiography for the diagnosis of coronary artery disease, its clinical significance in detecting coronary artery anomalies and evaluating the seriousness is attracting more attention. In the study we aimed to assess the prevalence of anomalous origin of coronary arteries in a Chinese population who underwent coronary angiography for coronary artery disease, and explore any patterns in the common variants and typical anomalies, especially the potentially serious ones. Patient...

PRrospEctive Comparison of FFR Derived From Coronary CT Angiography With SPECT PerfuSion Imaging in Stable Coronary ArtEry DiSeaSe: The ReASSESS Study.

This study sought to compare the per-patient diagnostic performance of coronary computed tomography angiography (CTA)-derived fractional flow reserve (FFR) with that of single-photon emission computed tomography (SPECT), using a fractional flow reserve (FFR) value of ≤0.80 as the reference for diagnosing at least 1 hemodynamically significant stenosis in a head-to-head comparison of patients with intermediate coronary stenosis as determined by coronary CTA.

Surgical treatment of a patient presenting with an infected aortofemoral bifurcation prosthesis.

Described herein is a clinical case report regarding successive treatment of a patient presenting with total infection of an aortofemoral bifurcation vascular prosthesis and a purulent fistula in the left iliac-inguinal region. The patient was subjected to removal of the infected aortofemoral bifurcation prosthesis, followed by autovenous aortofemoral bifurcation prosthetic repair. There were no pyo-haemorrhagic complications in the postoperative period. The wounds of the femurs and in the inguinal regions ...

Coronary computed tomography angiography for heart team decision-making in multivessel coronary artery disease.

Coronary computed tomography angiography (CTA) has emerged as a non-invasive diagnostic method for patients with suspected coronary artery disease, but its usefulness in patients with complex coronary artery disease remains to be investigated. The present study sought to determine the agreement between separate heart teams on treatment decision-making based on either coronary CTA or conventional angiography.

Contrast-to-Noise Ratio Optimization in Coronary Computed Tomography Angiography: Validation in a Swine Model.

The accuracy of coronary computed tomography (CT) angiography depends upon the degree of coronary enhancement as compared to the background noise. Unfortunately, coronary contrast-to-noise ratio (CNR) optimization is difficult on a patient-specific basis. Hence, the objective of this study was to validate a new combined diluted test bolus and CT angiography protocol for improved coronary enhancement and CNR.

What is the most appropriate method for coronary sinus cannulation? The telescopic method or the electrophysiologic method?

The most challenging stage of cardiac resynchronization therapy (CRT) is coronary sinus cannulation (CS). The aim of this study was to compare coronary sinus cannulation techniques using electrophysiology catheters and coronary angiography catheters.

Coronary artery calcium score in predicting periprocedural myocardial infarction in patients undergoing an elective percutaneous coronary intervention.

This study aimed to evaluate whether the coronary artery calcium score (CACS) measured with computed tomography coronary angiography (CTCA) predicts periprocedural myocardial infarction (PMI) in patients undergoing an elective percutaneous coronary intervention (PCI).

Factors associated with depressive symptoms in patients with acute coronary syndrome undergoing percutaneous coronary intervention: A prospective cohort study.

To identify the association between possible factors and depression among post-percutaneous coronary intervention patients with acute coronary syndrome.

Backward bifurcation and hysteresis in models of recurrent tuberculosis.

An epidemiological model is presented that provides a comprehensive description of the transmission pathways involved for recurrent tuberculosis (TB), whereby cured individuals can become reinfected. Our main goal is to determine conditions that lead to the appearance of a backward bifurcation. This occurs when an asymptotically stable infection free equilibrium concurrently exists with a stable non-trivial equilibria even though the basic reproduction number R0 is less than unity. Although, some 10-30% cas...

Ten-Year Follow-Up After Coronary Computed Tomography Angiography in Patients With Suspected Coronary Artery Disease.

The aim of this study was to determine the long-term prognostic power of coronary computed tomography angiography (CTA) to predict cardiac death and nonfatal myocardial infarction.

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