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Devanagondi Rajiv R Division of Pediatric Cardiology, C. S. Mott Children's Hospital, University of Michigan Medical School, Ann Arbor, - - 2014
Pulmonary arteriovenous malformations are usually well-tolerated hemodynamically. Rarely, they cause severe neonatal cyanosis, requiring urgent treatment. We report the use of multiple transcatheter vascular occlusion devices to reduce right-to-left shunting in a neonate with multiple, large pulmonary arteriovenous malformations. © 2014 Wiley Periodicals, Inc.
Schuhbaeck Annika A Department of Cardiology, University of Erlangen, Ulmenweg 18, 91054, Erlangen, Germany, - - 2014
To evaluate a systematic approach for measurement of aortic annulus dimensions by cardiac computed tomography. CT data sets of 64 patients were evaluated. An oblique cross-section aligned with the aortic root was created by systematically identifying the caudal insertion points of the three aortic cusps and sequentially aligning them in ...
Bhat Tariq T Department of Cardiology and Department of Medicine, Staten island University Hospital Staten Island, New York USA. - - 2014
The "GuideLiner" is an easy-to-use catheter designed for deep seating in coronary arteries. The GuideLiner can be used to provide extra guidance support for equipment delivery during difficult coronary interventions or for coaxial alignment in tortuous vessels. There are a few GuideLiner-related complications reported in the literature, which include stent ...
Syedain Zeeshan Z University of Minnesota, Biomedical Engineering, Minneapolis, Minnesota, United States ; - - 2014
The performance of completely biological, decellularized engineered allografts in a sheep model was evaluated to establish clinical potential of these unique arterial allografts. The 4-mm diameter, 2-3 cm long grafts were fabricated from fibrin gel remodeled into an aligned tissue tube in vitro by ovine dermal fibroblasts. Decellularization and subsequent ...
Almasi Alireza A Department of Radiology, Firouzgar Hospital, Iran University of Medical Sciences, Tehran, - - 2014
Measuring coronary artery calcium score (CACS) using a dual-source CT scanner is recognized as a major indicator for assessing coronary artery disease. The present study aimed to validate the clinical significance of CACS in predicting coronary artery stenosis and its severity. This prospective study was conducted on 202 consecutive patients ...
Salunke Pravin P Department of Neurosurgery, PGIMER, Chandigarh, - - 2014
Anomalous vertebral arteries (VAs), commonly involving the persistent first intersegmental artery (FIA), are often seen with congenital atlantoaxial dislocations (AAD). Here we describe an unusual variant consisting of bilateral VAs with normal loops but passing below the C1 (inverted VA) arch, distinctly different from the FIA. A 9-year-old boy presented ...
Saliba Walid W Department of Community Medicine and Epidemiology, Carmel Medical Center, Clalit Health Services, and Bruce Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel; Internal Medicine C, Ha'emek Medical Center, Afula, Israel. Electronic address: - - 2014
The risk stratification score, which includes Congestive heart failure, Hypertension, Age ≥75 [doubled], Diabetes, Stroke [doubled]- Vascular disease, Age 65-74, and Sex category [female] (CHA2DS2-VASc), is used to predict stroke in atrial fibrillation. However, whether high CHA2DS2-VASc score carries a higher risk of pulmonary embolism remains unknown. We aimed to ...
Lee Jung-Kyu - - 2013
Herein, we report a case of multiple systemic arteries to pulmonary artery fistulas without any underlying causes, presenting recurrent hemoptysis. Transcatheter embolization was successfully performed several times on multiple systemic feeding arteries. Multiple systemic arteries to pulmonary fistulas can be a source of uncontrolled bleeding, and embolization may be a ...
Koulaouzidis G - - 2013
To investigate the prevalence of coronary artery calcification (CAC) in symptomatic individuals with CT evidence for left heart valve calcification, aortic valve (AVC), mitral valve (MAC) or both. This is a retrospective study of 282 consecutive patients with calcification in either the aortic valve or mitral annulus. Calcium scoring of ...
Uematsu M - - 2013
In aortic vascular surgery, a navigation system must represent the anatomical map of individual patient in order to detect the important artery. To provide a proper fit for positions along the dorsoventral axis, the spinous process was added to a currently used anatomical point set consisting of four anterior body ...
Jung Tae-Eun - - 2013
ABSTRACT: Paravalvular leak (PVL) after prosthetic valve implantation is a significant complication and it usually occurs early in the postoperative period. We report a case of multiple PVL 17 years after the second mitral valve replacement without evidence of infection. The valve sutures were neither cut nor loosened. None of ...
Piffaretti Gabriele - - 2013
Aortic arch pathologies remain a technical challenge. The major difficulties in endovascular repair involve anatomic factors and technical aspects. The location of the disease may restrict an adequate proximal sealing zone, and alignment of the endograft is fundamental to acute success and long-term stability. We describe the successful endovascular repair ...
Swaika Sweta - - 2013
Venous aneurysm of neck is a rare anomaly, usually presenting as a painless mass which increases in size on valsalva maneuver. A child with multiple aneurysms of the right common facial and external jugular veins diagnosed on Doppler ultrasonography and magnetic resonance venography is reported.
Borioni R - - 2013
Purpose. The present report describes a full endovascular treatment of a multiple anomalous (Splenic artery aneurysms) SAA with combination of coils embolization and proximal occlusion of the splenic artery with the Amplatzer vascular plug. Case report. A 53-year-old Jehovah witness woman presented with multiple aneurysms arising from an anomalous splenic ...
Clarençon Frédéric - - 2012
BACKGROUND AND IMPORTANCE:: The use of flow-diverting stents has gained acceptance during the past few years for the treatment of numerous intracranial aneurysms, especially large or giant ones. However, successful catheterization of the distal parent artery in giant intracranial aneurysms with a microcatheter can be extremely challenging. Forming a microcatheter ...
Ghersin Eduard - - 2011
We describe an elderly woman with paroxysmal atrial fibrillation who was evaluated by electrocardiogram-gated multidetector-row computed tomography (MDCT) prior to left atrial radiofrequency ablation therapy to rule out coronary artery disease and to obtain a 3-dimensional anatomical map of the left atrium and pulmonary veins. MDCT documented the dynamic bidirectional ...
Kimura Masayoshi - - 2011
Background: Although burr entrapment is a rare complication of the Rotablator, it is extremely difficult to retrieve a fixedly entrapped burr without surgical procedure. Case Report: An 84-year-old male with effort angina had heavily calcified coronary trees as well as severe stenosis in the mid LCx, and moderate stenosis in ...
Calderon Pilar - - 2011
Free-floating thrombus in ascending aorta is a rare cause of peripheral embolism with potentially fatal consequences. We report the case of a young patient with syncope and sudden lumbar pain. Computed tomographic scan revealed a large pedunculated floating mass attached to the posterior wall of the ascending aorta, probably responsible ...
Wong Kelvin C K - - 2011
Aims Mitral isthmus (MI) ablation is technically challenging, requiring long endocardial ablation times and frequently coronary sinus (CS) ablation. The circumflex artery lies in the epicardium in close proximity to the CS and the mitral annulus and may potentially be injured during radiofrequency ablation. Methods and results Fifty-four patients underwent ...
Han Gouhua - - 2011
A 45-year-old woman with severe chest deformity and great vessel tortuosity successfully underwent left accessory pathway ablation of atrioventricular reentrant tachycardia via right transradial arterial access. Transradial catheter ablation of left accessory pathway was safe and efficacious without complications. When transfemoral or transseptal access was impossible, transradial access was a ...
Angus Derek C - - 2011
Severe sepsis is the term used to describe the host response to infection when complicated by acute organ dysfunction. Severe sepsis occurs in more than 750,000 individuals in the United States each year, with a hospital mortality of about 30%. Although the classic presentation is of florid shock with frank ...
Tian Geng - - 2011
Placement of the tip of a peripherally inserted central catheter in the lower third of the superior vena cava is essential to minimize the risk of complications. Sometimes, however, the catheter tip cannot be localized clearly on the chest radiograph, and repositioning a catheter at bedside is difficult, sometimes impossible. ...
Fürnkranz Alexander - - 2011
Aims Complete pulmonary vein isolation (CPVI) can be achieved by continuous circular lesions (CCL) around the ipsilateral pulmonary veins (PVs) guided by a 3D-mapping system. We investigated whether CPVI can be achieved with a single CCL around the isplilateral PVs without recording PV activity during ablation. Methods and results Fifty ...
Aslani Amir - - 2011
A 37-year-old man, known case of mitral valve replacement, was referred for ablation. Meticulous mapping showed the earliest signal in the distal coronary sinus (CS). Endocardial ablation via transseptal approach failed to permanently ablate the accessory pathway. Similarly, ablation within the CS was unsuccessful. Finally, the mapping catheter was introduced ...
Jiang Ru-Hong - - 2011
Atrial fibrillation (AF) was initiated by rapid firing from left superior pulmonary vein (PV) by administration of isoproterenol (ISP) and adenosine triphosphate (ATP) before ablation. After successful isolation of all PVs, ISP and ATP were administered again. PVs were still isolated but an episode of rapid firing was observed inside ...
Tsao Hsuan-Ming - - 2011
Epicardial adipose tissue (EAT) contains ganglionated plexuses and adipocytes that can affect the pathogenesis of atrial fibrillation (AF). The aim of this study was to quantify the EAT surrounding the left atrium (LA) and correlate it with occurrence of AF and outcome after catheter ablation. EAT was evaluated using 64-slice ...
Kalbfleisch Steven - - 2011
An accurate representation of a common inferior pulmonary vein (CIPV) during three-dimensional mapping is difficult, which may lead to concerns regarding the safety of ablation. A preablation computed tomography scan revealed a CIPV with a large common ostium in close proximity to the esophagus. A detailed representation of the CIPV ...
Eom Jin Sup - - 2011
There have been many methods to use the superficial inferior epigastric vein (SIEV) for improvement of flap circulation during breast reconstruction with free abdominal flap. If the SIEV is used for the purpose of adding another draining route, selection of ideal recipient vein is a crucial step. We reviewed our ...
Cruz Cesar - - 2011
Atrioventricular nodal reentrant tachycardia (AVNRT) is the most common supraventricular tachycardia. Ablation of the slow pathway is the treatment of choice for recurrent episodes despite adequate medical therapy. We present an uncommon case of AVNRT ablation using a superior vena cava approach in a patient with bilateral common femoral vein ...
Rolf Sascha - - 2011
Aims The close topographic relationship between the left atrial posterior wall (LAPW) and the oesophagus creates a potential hazard of thermal lesions to the oesophagus during radiofrequency (RF) catheter ablation of atrial fibrillation (AF). The purpose of the study was to describe topographic relation of the oesophagus behind the left ...
Chierchia Gian B - - 2011
Pulmonary vein isolation seems to occur in the distal part of the ostium leaving the atrium largely unablated when using the 23 mm cryoballoon catheter ablation for atrial fibrillation. We hypothesize that ablating with the larger 28 mm cryoballoon would target a wider portion of the left atrial cavity. To ...
Jao Shaner-Yeun - - 2011
BACKGROUND.: Mycotic pseudoaneurysm from the cavernous segment of the internal carotid artery (ICA) secondary to an invasive aspergillus sinusitis is rare. Surgical intervention with ICA ligation is generally accepted for most mycotic aneurysms or pseudoaneurysms. When presented with massive epistaxis due to a fungal aspergillus ICA invasion, mortality rates are ...
Bhagwandien Rohit - - 2011
In a series of 359 cryoballoon ablations with a complete registry of complications, clinically important hemoptysis requiring readmission was observed in 2 patients. One patient had preexisting bronchiectasis; the other had no previous history of pulmonary disease. In the first patient the guiding wire was very distal in one of ...
Yokoshiki Hisashi - - 2011
A 64-year-old woman experienced reproducible palpitation caused by irregular atrial tachycardia (AT) while swallowing. This tachycardia was resistant to multiple antiarrhythmic drugs and β-blockers. Catheter mapping revealed right pulmonary vein (PV) firings with different activation sequences, thereby producing multifocal AT. Extensive encircling isolation of ipsilateral right PVs abolished the multifocal ...
Li Yi-Gang - - 2011
Aims Bronchi or pulmonary arteries (PAs) could be injured during atrial fibrillation (AF) ablation. Therefore, the aim of the present study was to evaluate the spatial relationship between left atrial roof or superior pulmonary veins (PVs) and neighbouring structures of AF patients and provide anatomic guidance for AF ablation to ...
Hanć A - - 2011
The study was aimed to evaluate the influence of the vascular disease, atherosclerotic obliterans (AO), on the location and concentration of elements in the arterial wall and serum. Use of a modern method for studying element's concentration and distribution in samples of clinical material, i.e. laser ablation inductively coupled plasma ...
von Bary Christian - - 2011
PURPOSE: Recently, new catheter technologies have been developed for atrial fibrillation (AF) ablation. We investigate the diagnostic accuracy of a circular mapping and pulmonary vein ablation catheter (PVAC) compared with a standard circular mapping catheter (Orbiter) and the influence of filter settings on signal quality. METHODS: After reconstruction of the ...
Wang Wei - - 2011
Pulmonary embolism (PE), a medical emergency for pulmonary physicians, is defined as a blockage of the main artery of the lung or one of its branches by embolism from many sources, such as thrombus, air, amniotic fluid, tumor and fat. A good clinician, especially pulmonary or critical care physician, should ...
Wong Kelvin C K - - 2011
BACKGROUND: Mitral Isthmus ablation is challenging. Blood flow in the coronary sinus (CS) may act as a "heat sink" and reduce the efficacy of radiofrequency ablation. OBJECTIVE: This study investigates if balloon occlusion of CS facilitates mitral isthmus ablation. METHODS: This single-centre, prospective, randomized controlled trial included patients undergoing ablation ...
Baranowski Bryan - - 2011
Our Approach to Management of Patients With Pulmonary Vein Stenosis. Despite advances in the approach to pulmonary vein isolation, pulmonary vein stenosis remains an important morbid complication affecting approximately 1.3% of procedures. Patients with symptomatic pulmonary vein stenosis are typically referred for intervention with either balloon angioplasty or stenting. A ...
Peeters Wouter - - 2011
Aims Atherosclerotic plaque rupture and subsequent thrombus formation are the major cause of acute cardiovascular events. Local plaque markers may facilitate detection of the vulnerable plaque and help identify the patient at risk for cardiovascular events. Matrix metalloproteinases (MMPs) are prevalent in the arterial wall throughout the arterial system and ...
Johnson Thomas W - - 2011
Familiarize yourself with an increasingly common, but complex, procedure. KEYWORDS: ablation, arrythmia, atrial fibrillation, catheter ablation, pulmonary vein isolation, radiofrequency catheter ablation.
Akagi Teiji - - 2011
During the past 15 years, clinical experience with catheter interventional treatment in patients with Kawasaki disease, including balloon angioplasty, stent implantation, rotational ablation, and transluminal coronary revascularization, has been gradually increasing. Because the coronary artery lesions in Kawasaki disease involve severe calcifications, the indications or catheter intervention techniques have not ...
Wong Kelvin C K - - 2011
Aims Mitral isthmus ablation is technically challenging, often requiring both endocardial and epicardial coronary sinus (CS) ablation. Blood flow in the CS and circumflex artery may act as a 'heat sink' and reduce the efficacy of radiofrequency ablation. This study investigates how the CS and circumflex artery diameters affect mitral ...
den Uijl Dennis W - - 2011
Multislice computed tomography (MSCT) is commonly acquired before radiofrequency catheter ablation (RFCA) for atrial fibrillation (AF) to plan and guide the procedure. MSCT allows accurate measurement of the left atrial (LA) and pulmonary vein (PV) dimensions and classification of the PV anatomy. The aim of the present study was to ...
Lin Yenn-Jiang - - 2011
Aims Additional ablation in the pulmonary vein (PV) carina region is sometimes required to achieve electrical isolation following circumferential pulmonary vein isolation (PVI). This study investigated the procedural predictors for the requirement of additional carina ablation to achieve complete electrical isolation with PVI. Methods and results Eighty patients with drug-refractory ...
Shah Dipen - - 2011
The advent of catheter ablation has revolutionized the treatment of supraventricular cardiac arrhythmias, including in the last few years, atrial fibrillation. The discovery of electrically active sleeves of atrial myocardium extending into the pulmonary veins has led to the development of pulmonary vein ostial ablation, with the aim of electrically ...
Thorning Chandani - - 2011
To characterize pulmonary vein (PV) anatomy and the relative position of the PV ostia to the adjacent thoracic vertebral bodies, two readers reviewed 176 computed tomography pulmonary venous studies. PV ostial dimensions were measured and PV ovality assessed. Anatomical variations in PV drainage were noted. The position of the PV ...
Patel Sandeep M - - 2011
While radiofrequency ablation catheter ablation of accessory pathways is generally safe and effective, anatomic variants can cause considerable challenges in effecting cure. Our objective was to use an unusual case where coronary sinus was absent and arterial venous fistula was present and a left-sided pathway required mapping and ablation to ...
Sternik Leonid - - 2011
The maze procedure is the gold standard for the ablation of atrial fibrillation, and the "box lesion" around the pulmonary veins is the most important part of this procedure. We have created this lesion with a bipolar radiofrequency ablator, abandoning the usual use of this device (to achieve bilateral epicardial ...
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