angioscopy

..study was to evaluate the ability of optical coherence tomography (OCT) for assessment of the culprit lesion morphology in acute myocardial infarction (AMI) in comparison with intravascular ultrasound (IVUS) and coronary angioscopy (CAS).

..Coronary angioscopy can provide detailed information of the luminal surface of plaque, such as color, thrombus, or disruption, and ..

Progression of neointimal stent coverage (NSC) and changes in thrombus were evaluated serially by coronary angioscopy for up to 2 years after sirolimus-eluting stent (SES) implantation.

..Few studies have serially monitored the change of coronary plaque after statin therapy using multiple plaque imaging modalities...

The purpose of this study was to assess the relationship between plaque color evaluated by coronary angioscopy and fibrous cap thickness estimated by optical coherence tomography (OCT) in vivo.

..histopathologic studies, whether postmortem or from atherectomy samples, and from studies using angiography, angioscopy, and intravascular ultrasound...

..Our objective was to compare the effects of ESVH and OSVH on the structural and functional viability of saphenous vein endothelium using multiphoton imaging, immunofluorescence, and biochemical techniques...

..Moreover, this is the first report in which the culprit lesion in a patient with a single coronary artery was observed by intravascular ultrasound and coronary angioscopy. The patient underwent successful coronary stent deployment.

..of cross-sectional area of the aortic ostium by the presence of aortic stent wires observed using CT virtual angioscopy in an aorta phantom...

Atherosclerotic yellow plaques identified by coronary angioscopy are considered as vulnerable plaques. However, characteristics of yellow plaques are not well understood...

OBJECTIVES: We sought to test whether the risk of acute coronary syndrome (ACS) can be estimated by angioscopy. BACKGROUND: Disruption of vulnerable plaque and subsequent thrombosis is regarded as a major mechanism of ACS...

A prototype angioscopy system with fluorescence lifetime imaging microscopy (FLIM) capabilities was built and applied for biochemical imaging of human coronary atherosclerotic plaques...

..changes in infarct-related lesions after stenting in acute or recent myocardial infarction (MI) with coronary angioscopy. BACKGROUND: There is no information on the serial morphologic changes, which occur after stenting, and the time ..

..On laparotomy no endoleak was identified and the graft was left in situ. Postoperatively and on follow-up the patient remains asymptomatic while the aneurysm continued to appear shrunk...

..Here we review the invasive and non-invasive modalities that can be helpful in the identification of these plaques before they become unstable and cause ACS, and also the available therapies to stabilize these plaques...

When observed by angioscopy, the culprit lesions of acute coronary syndrome (ACS) have a common appearance of a yellow plaque with irregular surface covered by a thrombus...

..To demonstrate an experimental model designed to allow placement of a vein segment containing a valve into a femoral vein without the need for anastomoses or surgical incision on the target limbs...

..To report successful endovascular repair of thoracic aortic aneurysms in 2 patients with human immunodeficiency virus (HIV)...

..Coronary angioscopy, together with coronary angiography, was performed at 3 months follow-up of 7 patients with in-stent restenosis ..

..Virtual angioscopy can be reconstructed with volumetric CT data sets...

..This review discusses the local and vascular complications of endovascular repair of abdominal aortic aneurysm with an emphasis on newer aspects...

..Very rigorous and well-designed studies are compelling for defining the role of each diagnostic modality. Until we are able to detect in vivo vulnerable plaques accurately, no specific treatment is warranted...

..To evaluate the feasibility and efficacy of a specific aortomonoiliac endograft and the durability of the femorofemoral bypass for treatment of abdominal aortic aneurysm (AAA)...

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..Total number of complications in the group of manual compression was 5.8%. Thus compared with traditional manual hemostasis. The use of StarClose clip device allows to activate patients after endovascular treatment substantially earlier...

..There is a highly significant correlation between the total workload and the incidence of critical events ; these do not appear to be related to the learning curve...

..To investigate the influence of diabetes mellitus on outcome after endovascular abdominal aortic aneurysm (AAA) repair...

..The method of angioscopy is reserved for individual cases. Indirect monitoring in carotid surgery will keep its significance...

..We describe our technique of total laparoscopic conversion after failed endografting. Future perspectives and preliminary experience with an aortic stapler are discussed...

..To elucidate the relationships between clinical features and the morphological characteristics of the infarct-related lesions, we observed the culprit lesions in patients with acute MI by coronary angioscopy and intravascular ultrasound.

..An accurate examination of the aortic wall and dissection anatomy and careful intraprocedural device manipulation and balloon molding may help avoid this potentially life-threatening complication...

OBJECTIVES: Changes of ruptured plaques in nonculprit lesions were evaluated using coronary angioscopy. BACKGROUND: The concept of multiple coronary plaque ruptures has been established...

..To confirm the presence of thrombus, intravascular ultrasound (IVUS) and coronary angioscopy were performed at pre-discharge. IVUS showed a thrombus-like low-density area at the mid right coronary artery...

..After having excluded the presence of a thoracic outlet syndrome, the lesion was successfully treated by means of percutaneous implantation of a stent graft with the exclusion of the aneurysm and the sealing of the thrombus...

..CONCLUSIONS: CDU currently does not have sufficient diagnostic accuracy for the detection of all endoleaks in routine clinical practice. The diagnostic accuracy of CDU may improve if type II endoleaks are ignored...

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..100 years ago; however, the intravascular imaging such as intravascular ultrasound (IVUS) or coronary angioscopy has revealed the clinical evidences in live human being...

..This report describes an endovascular treatment of a chronic type A aortic dissection without cardiopulmonary bypass and avoiding thoracotomy...

The goal of this study was to use angioscopy to investigate the amount of neointimal coverage after sirolimus-eluting stent (SES) implantation.

..The risk of PAA rupture carries a mortality of 58%. We present our experience in ten patients with the endovascular treatment of these complications to define the role of endovascular repair in this high-risk group...

..CONCLUSIONS: Stent-graft implantation can be a useful therapy for control of massive bleeding from an aortoureteric fistula...

..After EVAR, patients with pre-existing renal insufficiency continue to be at risk for progressive renal dysfunction, and protective measures should be taken to preserve renal function in this patient population...

..Patients with large aneurysms are not good candidates for EVG implantation via median sternotomy Anchoring sutures to fix the EVG to the aortic wall should help prevent EVG-related events and improve the durability of EVG...

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..Thus, the thrombogenic potential in DES-implanted lesions may be sustained by the inhibition of neointima formation over thrombogenic plaques...

..A unique validated three-dimensional intraluminal imaging technique was used to analyze the effect of suprarenal stent position relative to renal artery orifices. Also analyzed was its medium-term to long-term effects on renal function...

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..These results suggest that the healing process was not completed 9 months after brachytherapy in approximately 33% of lesions...

..Long-term results from randomised studies are still not available. Aneurysm ruptures after stent-graft repair have been reported, and there has been a considerable need for redo procedures...

..This technique is useful for the palliation of proximal pulmonary artery stenosis and is effective definitive treatment for peripheral pulmonary artery stenosis in small infants and children...

..Comparisons between coronary angioscopy and IB-IVUS revealed that the surface color of plaques in angioscopy reflected the thickness of the fibrous cap ..

..Based on these reports, we used paclitaxel-eluting MS within an animal renal artery lumen and compared the results with those using a bare-metal stent...

..The longterm outcome of this patient population and the magnitude of additional secondary procedures are, however, less well covered...

..We report a case in which coronary angioscopy proved the dislodgment of a large plaque fragment after Cutting Balloon angioplasty and confirmed our suspicion ..

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To evaluate the occurrence of cystoid macular edema (CME) after lens extraction, anterior vitrectomy, and intraocular lens implantation (IOL) in children using angioscopy after administration of oral fluorescein.

..The aim of this research was to show the efficacy of the 1 470-nm wavelength diode laser for endovenous laser treatments and the clinical results obtained...

..For capillary permeability, fluoresceine angioscopy is without a doubt the most sensitive and specific method...

b>Angioscopy enables macroscopic pathological diagnosis of cardiovascular diseases from the inside. This imaging modality has been intensively directed to characterizing vulnerable coronary plaques...

This study was carried out to detect vulnerable coronary plaques by color fluorescent angioscopy.

..Thoracic aortic atherosclerosis in patients with HFH was assessed with contrast-enhanced MR angiograms using exoscopic and endoscopic virtual angioscopy reconstructions and maximum intensity projections (MIPs).

..This algorithm is also applicable to generate the centerline of renal artery, coronary artery, and airway tree which has tree-like cylinder shape of organ structures in the medical imagery...

b>Angioscopy is a useful investigation in patients referred for vascular surgery. The material has been improved over the last few years to make available angioscopes with external diameters ranging from 0.55 to 3.2 mm...

Visualization of coronary stenoses by coronary angioscopy is facilitated by inflating an occlusive cuff located near the distal end of the device to temporarily interrupt blood flow...

..pulmonary angiography which, with the aid of a thoracic CT scan or endovascular techniques (ultrasonography or angioscopy), allow assessment of the feasibility of thromboendarteriectomy...

..Results of angioplasty were assessed on both angiography and percutaneous transluminal coronary angioscopy performed immediately after the procedure...

..These stents were placed transfemorally and, since the stents were barely visible under fluoroscopy, angioscopy was performed before and after stenting in order to improve positioning of the stent...

The time course of neointimal formation after stent implantation has not been studied extensively by angioscopy in the drug-eluting stent era.

Since technical progress has allowed the development of small and flexible endoscopes, percutaneous, transluminal angioscopy promises to be a diagnostic and therapeutic tool...

..levels were increased from 110 to 270 mg/dl, and atheroma was first observed after 3-months treatment with angioscopy. In the CE-group, the levels of the serum total cholesterol during treatment were 30% lower than those of the C-..

..Thrombus formation following balloon injury was evaluated by angioscopy in the right iliac arteries of 20 dogs to serve as a control...

Diagnostic coronary balloon occlusion (CBO) is mandatory for collateral function assessment, during angioscopy and optical coherence imaging, and when using certain coronary protection devices against emboli...

..details of the processes in coronary atherosclerosis, which have been obtained by new strategies such as angioscopy, intravascular ultrasound and molecular biological methods...

..were reconstructed in axial plane, along with volume-rendered three-dimensional reconstruction and virtual angioscopy in selected patients...

..The results of coronary angioscopy have allowed differentiation of accelerated effort angina which seems related to ulceration of an atheromatous ..

..total artificial heart (TAH) implantation, we performed a long-term follow-up in 2 goats using conjunctival angioscopy. A short segment of parallel arteriole and venule was photographed and analyzed on computer picture program (..

..description of cardiac structures and intracardiac events that have been revealed by ultrasonic measurements and angioscopy. Echocardiography revealed that the atrioventricular valves descend deep into the ventricle during ventricular ..

..characteristics of the vulnerable plaque such as thin cap fibroatheroma and lipid pool can be identified with angioscopy, high frequency intravascular ultrasound, intravascular MRI, and optical coherence tomography...

..Non-nuclear invasive imaging techniques (intravascular ultrasound, intravascular MRI, intracoronary angioscopy and intravascular optical coherence tomography) and non-nuclear non-invasive imaging techniques (ultrasound with ..

..All pts received antiplatelet agents alone. We applied serial angioscopy (baseline and on 7th day) to evaluate thrombus formation and quantitative coronary angiography (QCA) to define ..

..Angiography at 9-month follow-up showed focal restenosis at the proximal edge of the stent and coronary angioscopy revealed restenosis as a result of thrombus formation...

..The aim of this study was to investigate this relationship in patients with chest pain...

..The aim of this study is to emphasize that the use of video-assisted angioscopy may increase the quality of PTE and thus improve outcome...

..We introduce angioscopy as a means of intraoperative surveillance.

..Small-diameter, flexible optical fiber bundles, similar to those used in coronary angioscopy, may be incorporated into an intravascular catheter for this purpose...

..Analyses of the explanted devices (gross observations, RX, CT scan, IVUS, angioscopy) confirmed the stability of this modular stent-graft...

..Intravascular ultrasound differs from angiography and angioscopy in its ability to penetrate below the surface of the vessel lumen, demonstrating specific appearances of the ..

..b>Angioscopy was used 22 times: it was indissociable to laser angioplasty as it enabled diagnosis and controlled the result...

..This study was carried out to detect TEi in the pulmonary arterial trees by angioscopy (AS); to classify TEi; and to compare the sensitivity of detection for TEi among AS, angiography (AG), ..

..This study evaluated the impact of angioscopy on arch and descending aortic surgery for type A aortic dissection (AD)...

Progression of neointimal stent coverage (NSC) and changes in thrombus were evaluated serially by coronary angioscopy for up to 2 years after sirolimus-eluting stent (SES) implantation.

Coronary angioscopy will not replace angiography as the gold standard for imaging atherosclerotic coronary arteries...

..Currently available imaging tools (angioscopy, MRI, intravascular ultrasound) do not provide the high spatial resolution needed for this application...

..Reflectance is already visually accessible in normal angioscopy, and yellow lipid may be seen diffusely through an otherwise white fibrous cap, depending on its thickness, and ..

..Currently available imaging tools (angioscopy, MRI, intravascular ultrasound) do not provide the high spatial resolution needed for this application...

..These studies will provide the basis for future advances in experimental studies of atherosclerogenesis and new clinical applications of non-invasive, in vivo MR imaging of atherosclerotic lesions. ..

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..Thus, novel imaging techniques offer new prospects to detect early stages and identify those individuals with higher risk. ..

..These projects and career development plans will provide the resources, collaborative relationships, and academic foundation of which the candidate will build a successful career as an independent clinical scientist. ..