Objectives: The goal of this study was to describe the neointimal healing on the abluminal side (ABL) of malapposed (ISA) struts and nonapposed side-branch (NASB) struts in terms of coverage by optical coherence tomography (OCT) and in comparison with the adluminal side (ADL).
We report on an obstruction of the left main coronary artery which occurred after completion of an uneventful transapical aortic valve implantation (TAVI) procedure. This delayed subtotal coronary obstruction was detected by routine final transesophageal echocardiographic examination. Emergency implantation of a coronary stent eliminated myocardial ischemia. This case demonstrated that coronary artery obstruction can occur not only during the TAVI procedure but also some time later. This finding reinforces the idea that these patients must also be carefully evaluated in the early post-procedure period. Interactive CardioVascular and Thoracic Surgery 12 (2011) 57–60. Copyright © 2011 Published by European Association for Cardio-Thoracic Surgery. All rights reserved.
Objectives: The aim of this study was to analyze the risk factors and mid-term outcomes associated with post-procedure heart blocks (PPHBs) after transcatheter closure of perimembranous ventricular septal defect (pmVSD).
Objectives: This study was designed to assess the prevalence of provoked exercise desaturation (PED) in patients with patent foramen ovale (PFO) referred for cardiovascular evaluation and to evaluate the impact of PFO closure.
La fibrilación auricular está asociada a accidentes vasculares de origen embólico que frecuentemente resultan en muerte o invalidez. Siendo eficaz en la reducción de esos eventos, la anticoagulación posee varias limitaciones y viene siendo ampliamente subutilizada. Más de 90% de los trombos identificados en los portadores de fibrilación auricular sin enfermedad valvular se originan en la orejuela auricular izquierda, cuya oclusión es investigada como una alternativa a la anticoagulación. Arq Bras Cardiol 2012;98(2):143-150.
Objectives: This study sought to compare increasing doses of intracoronary (IC) adenosine or IC sodium nitroprusside versus intravenous (IV) adenosine for fractional flow reserve (FFR) assessment.
Objectives: We assessed the impact of vessel size on outcomes of stenting with biolimus-eluting degradable polymer stent (BES) and sirolimus-eluting permanent polymer stent (SES) within a randomized multicenter trial (LEADERS).
Background: The eff ectiveness of durable polymer drug-eluting stents comes at the expense of delayed arterial healing and subsequent late adverse events such as stent thrombosis (ST). We report the 4 year follow-up of an assessment of biodegradable polymer-based drug-eluting stents, which aim to improve safety by avoiding the persistent infl ammatory stimulus of durable polymers
JACC: CARDIOVASCULAR IMAGING VOL. 4, NO. 3, 2011. Copyright © 2011 BY THE AMERICAN COLLEGE OF CARDIOLOGY FOUNDATION ISSN: 1936-878X. PUBLISHED BY ELSEVIER INC .
Background: A novel stent platform eluting biolimus, a sirolimus analogue, from a biodegradable polymer showed promising results in preliminary studies. We compared the safety and effi cacy of a biolimus-eluting stent (with biodegradable polymer) with a sirolimus-eluting stent (with durable polymer).
Atherosclerosis is a systemic disease, which can have varied clinical presentation with involvement of multiple vascular beds. It is common to come across patients with concomitant coronary artery disease (CAD) and peripheral arterial disease (PAD), in whom panvascular revascularization is required. As they are high-risk patients with poor clinical outcome, their management requires a comprehensive multi-specialty approach. Following improvement in technical skills and hardware for percutaneous interventions in recent years, more complex lesions with adverse clinical situations can undergo intervention by a cardiologist/vascular interventionist. We hereby report a case with CAD and PAD, who underwent successful complex coronary and multiple peripheral interventions for his symptomatic disease. World J Cardiol 2012 February 26; 4(2): 48-53. Copyright © 2012 Baishideng. All rights reserved.
Background —Positive arterial remodeling and thin fibrous cap are characteristics of rupture-prone or vulnerable plaque. The natural course of the fibrous cap thickness and the relationship between serial arterial remodeling and changes in fibrous cap thickness are unknown. Therefore, the purpose of this study was to evaluate the relationship between changes in fibrous cap thickness and arterial remodeling by using optical coherence tomography (OCT) and intravascular ultrasound (IVUS) during 6-month follow-up. Copyright © 2010. American Heart Association. All rights reserved. Print ISSN: 1941-7640. Online ISSN: 1941-7632
Background—Although stent fracture (SF) after sirolimus-eluting stent (SES) implantation has been recognized as one of the predisposing factors of in-stent restenosis, it remains uncertain whether SF can increase the risk of major adverse cardiac events (MACE), especially beyond 1 year after SES implantation. The aim of this study was to assess the impact of SF relative to non-SF on 4-year clinical outcomes after treatment with SES of comparable unselected lesions. Copyright © 2011. American Heart Association. All rights reserved. Print ISSN: 1941-7640. Online ISSN: 1941-7632
Stroke is a devastating event and remains as the third leading cause of mortality and the most important cause of serious, long-term disability.1 Most strokes are of ischaemic origin. Atherosclerosis plays a causative role as do other factors that vary among countries, genders, lifestyles, and a number of well-documented risk factors. In the USA, it is estimated that almost 90% of the roughly 800 000 strokes per year are ischaemic.3 Cardioembolic reasons account for 19% and carotid disease for 15% of those. A patent foramen ovale (PFO) is per se not yet considered a primary cause for stroke. It is subsumed under the ∼40% labelled cryptogenic. This paper deals with the stroke causes that are easiest to document and treat in the sense of primary and secondary prevention. Published on behalf of the European Society of Cardiology. All rights reserved. Copyright The Author 2012.
Transcatheter aortic valve implantation (T-AVI) has shown good results in high-risk patients with severe aortic stenosis. Throughout the whole process of T-AVI, different imaging modalities are indispensable. Preoperatively, multislice computed tomography, angiography and transesophageal echo (TEE) are utilized for patient selection, valve selection, approach selection and the planning of implant placement. Intraoperatively, angiography and TEE are used for controlling placement of the guidewire and valve positioning. Quality control and follow-up require TEE imaging and can require additional CT or angiography studies. In the first half of this paper, we discuss the applicability of different imaging modalities for T-AVI in the light of the current best practice. Copyright 2010 Gessat et al, licensee Bloomsbury Qatar Foundation Journals. This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial license CC BY-NC 3.0 which permits unrestricted non-commercial use, distribution and reproduction in any medium, provided the original work is properly cited.
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