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Results 351 - 400 of 1719
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Leroux-Berger Margot - - 2011
Vascular calcifications can occur in the elderly and in patients suffering from various diseases. Interestingly, depending on the pathology, different regions of the arterial system can be affected. Embryonic observations have clearly indicated that vascular smooth muscle cell (VSMC) origin is notably heterogeneous. For instance, in the aorta, VSMCs colonizing ...
Lampropoulos Konstantinos - - 2011
Anomalous drainage of an inferior vena cava to the left atrium is a rare congenital cardiac anomaly that might lead to significant clinical implications. This report describes a 21-year-old male with an anomalous connection between one part of a single sided double inferior vena cava and the left atrium documented ...
Dizon José - - 2011
Aims Isthmus-dependent right atrial flutter (RAFL) is a common sequela of pulmonary vein isolation (PVI). It is unclear as to whether RAFL is a result of PVI or a concealed phenomenon unmasked by the elimination of atrial fibrillation (AF). We measured low right atrial conduction times (LRACTs) before and after ...
Yger M - - 2011
Causes of brain abscesses are multiple and often unclear. We present the case of a pregnant woman who developed a temporal brain abscess revealed by an epileptic seizure. Perfusion lung scan was performed because she had a mild hypoxemia: absence of contrast into the pulmonary arteries was suggestive of a ...
Jaff Michael R - - 2011
Venous thromboembolism (VTE) is responsible for the hospitalization of >250 000 Americans annually and represents a significant risk for morbidity and mortality. Despite the publication of evidence-based clinical practice guidelines to aid in the management of VTE in its acute and chronic forms, the clinician is frequently confronted with manifestations ...
Hogas Simona - - 2011
INTRODUCTION: Cardiovascular (CV) morbidity and mortality are greatly enhanced in patients with chronic kidney disease, partly due to increased arterial stiffness. MATERIAL AND METHOD: The study included 63 stable HD patients. Stiffness parameters were evaluated by applanation tonometry before the mid-week HD sessions. Pre-HD bioimpedance parameters were measured. A phase ...
Xiong Chang-Ming - - 2011
The impact of sildenafil on pulmonary arterial hypertension (PAH) in Chinese patients has been less investigated. A prospective, open-label, uncontrolled and multicenter study, therefore, was carried out to address this issue. Ninety patients with multicause-induced PAH received oral sildenafil (75 mg/day) for 12 weeks. The 6-minute walk test (SMWT) and ...
Kenny Damien - - 2011
Objective: We describe our medium-term outcomes for peripheral pulmonary artery stenting in adults with congenital heart disease. Background: Improved outcomes in congenital heart disease have lead to the evolution of transcatheter therapies in adults aimed at maintaining normal hemodynamics. Stenting for pulmonary artery narrowing is effective in children, however little ...
Winther Simon - - 2011
We describe a case of acute left main stem occlusion complicating a transcatheter transfemoral aortic valve implantation. We treated this emergency using the balloon anchoring technique to insert and implant a stent in the left main stem. Transcatheter transfemoral or transapical aortic valve implantation (TAVI) is a promising treatment in ...
Takahashi Akihiko - - 2011
Intra-aortic balloon pump (IABP) counterpulsation is a useful hemodynamic assist device during complex percutaneous coronary intervention (PCI) in patients with poor left ventricular function; however, the presence of an abdominal aortic aneurysm poses a problem, because insertion via the femoral artery may cause distal embolism and aneurysm rupture. A 92-year-old ...
Zhang Ying - - 2011
BACKGROUND: Fetal congenitally corrected transposition of the great arteries (ccTGA) is a rare cardiac anomaly and the diagnosis remains a challenge for many sonographers in routine screening programs. We describe a new method of diagnosis by four-dimensional (4D) echocardiography and spatiotemporal image correlation (STIC). METHODS: We reviewed retrospectively 11 cases ...
Pitta Sridevi R - - 2011
Objectives: The aim of the study was to document the frequency of optimal femoral artery access location and its correlation with vascular complications in contemporary practice. Background: Vascular access bleeding during coronary interventions is associated with adverse outcomes. A potential strategy for reducing access-site bleeding is to achieve optimal location ...
El-Sherief Karim - - 2011
Spontaneous coronary artery dissection (SCAD) is a rare cause of chest pain and cardiomyopathy. This phenomenon usually occurs during the peripartum period. SCAD associated with exercise and heavy weight lifting is even rarer and has been reported in less than 10 cases in the literature. We describe a case of ...
Ussia Gian Paolo - - 2011
Balloon aortic valvuloplasty has seen a revival in interest because of its role in predilation and preparation of the annulus before trans catheter aortic valve implantation. Aortic valve cusp perforation is a serious complication that needs early recognition and prompt corrective measures to prevent a poor procedural outcome or conversion ...
Tzifa Aphrodite - - 2011
Transhepatic cardiac catheterization is now a well-established alternative when conventional venous routes for cardiac access have failed. Some operators prefer this route even routinely, due to the direct access that it offers to the right atrium and atrial septum. We report the case of a newborn baby previously operated on ...
Thenappan Thenappan - - 2011
Pulmonary vascular disease associated with left-side heart failure and preserved ejection fraction (PH-HFpEF) is an increasingly common cause of pulmonary hypertension. The distinction between PH-HFpEF and pulmonary arterial hypertension (PAH) is important because therapies indicated for PAH can be detrimental in HFpEF. The characteristic features of PH-HFpEF are understudied. In ...
Motiwala A - - 2011
BACKGROUND: Pulmonary arterial hypertension (PAH) is a major complication of atrial septal defect (ASD) and can be responsible for significant functional limitations and early mortality. Various factors have been shown to predispose ASD patients to the development of PAH. Our study aimed to determine the association between the size of ...
Goetti Robert - - 2011
A low-dose cardiac CT examination for preoperative assessment of coronary artery disease and mitral valve annulus dimensions in 79-year-old female with mitral valve regurgitation, consisting of a prospectively ECG-triggered high-pitch first-pass perfusion scan under adenosine stress and a sequential scan at rest enabled the diagnosis of occlusion of the right ...
Acikel Sadik - - 2012
Myxomas are the most common type of primary cardiac tumors and are usually localized in the atrium. The clinical features of the disease depend on the size, location, mobility, and fragility of the mass. In our case report, we present a 38-year-old female patient admitted to our hospital with typical ...
Evangelista Artur - - 2011
Bicuspid aortic valve (BAV) is the most common form of congenital heart disease, with frequent and premature occurrence of cardiac events, dominated by significant valvular dysfunction. BAV has a high prevalence of aortic wall abnormalities such as ascending aortic dilatation. Because more rapid aortic dilatation can occur, once the ascending ...
Bianchi Giacomo - - 2011
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was 'In adult patients undergoing redo surgery for left atrioventricular valve regurgitation after atrioventricular septal defect correction, is replacement superior to repair?' Altogether more than 109 papers were found using the reported search, ...
Naniwa Taio - - 2011
The patient described here is a 21-year-old Japanese woman with primary Sjögren's syndrome (pSS) presenting with worsening of dyspnea, palpitation, recurrent parotitis, and arthritis. Chest computed tomography showed diffuse interlobular septal thickening and ground-glass opacities. Right heart catheterization demonstrated pulmonary hypertension, right-sided heart failure, normal pulmonary capillary wedge pressure, and ...
Mannelli Lorenzo - - 2011
We present a case of a 34-day-old baby boy with congestive heart failure and differential cyanosis. Based on echocardiography and confirmed with computed tomography angiography, the following abnormalities were detected: aortopulmonary window, aortic origin of the right pulmonary artery, patent ductus arteriosus, and hypoplasia/coarctation of the aorta. No other congenital ...
Tohno Yoshiyuki - - 2011
To examine whether there were gender differences in compositional changes of the coronary artery with aging, the authors investigated the gender difference in age-related changes of elements in the left coronary arteries of Thais by direct chemical analysis. After ordinary dissections by students at Chiang Mai University were finished, the ...
Kumar Vishesh - - 2011
A 56-year-old woman with hypertension underwent an evaluation for recurrent syncope. On physical examination, the blood pressure and heart rate were normal, with no observed bradycardia or pauses on telemetry, and the respiratory rate and oxygen saturation were normal. The funduscopic examination was normal, with no signs of papilledema. Computed ...
Sahin M A - - 2011
Dextrocardia is a rarely seen cardiac malposition, often associated with multiple and complex congenital cardiac anomalies. Valve surgery for acquired valvular lesions in dextrocardia with situs inversus is rare. A 65-year-old man was admitted to our department with palpitation and dyspnea. Chest X-ray showed dextrocardia, and echocardiography revealed severe mitral ...
Lee Hwa Yeon - - 2011
Background Although triple rule-out CT angiography (TRO) to simultaneously evaluate acute coronary syndrome (ACS), pulmonary embolism (PE), and acute aortic syndrome (AAS) is increasingly used in many institutions, TRO is inevitably associated with increased radiation exposure due to extended z-axis coverage compared with dedicated coronary CT angiography (DCTA). Purpose To ...
Kovacikova Lubica - - 2011
At her first day of life, a neonate presented with severe cyanosis and a mass obstructing the right ventricle outflow tract. Prostagladin E1 was necessary to provide pulmonary blood flow. The mass was removed using extracorporeal bypass surgery; the right ventricle was dilated, and the pulmonary valve leaflets were damaged. ...
Gao Hang - - 2011
Aims:  To evaluate the effectiveness and safety of combined catheter thrombus fragmentation and fibrinolysis for acute pulmonary embolism (PE). Method:  46 patients (19 males and 27 females, average age 52.3 ± 13.4 years) with acute PE and right ventricular dysfunction were treated by mechanical thrombus fragmentation with a percutaneous transluminal ...
Paulin Roxane R Centre de recherche de L'Hôtel-Dieu de Québec, 10 Rue McMahon, Québec, QC G1R 2J6, - - 2011
Pulmonary artery hypertension (PAH) is a proliferative disorder associated with enhanced pulmonary artery smooth muscle cell proliferation and suppressed apoptosis. The sustainability of this phenotype required the activation of a prosurvival transcription factor like signal transducers and activators of transcription-3 (STAT3) and nuclear factor of activated T cell (NFAT). Because ...
Gao Changqing - - 2011
OBJECTIVE: Despite the early introduction of totally endoscopic coronary artery bypass on the beating heart, only a limited number of cases have been performed. The limiting factor has been the concern about safety and graft patency of the anastomosis. This study describes our experience with totally endoscopic coronary artery bypass ...
Liu Ligang - - 2011
Congenital communication between left coronary artery to left ventricle is a rare anomaly. A 52-year-old male patient visited our institution complaining of paroxysmal palpitation and echocardiography revealed a large fistula draining into the left ventricle. Coronary angiography and computed tomography (CT) scanning confirmed the fistula located between the left circumflex ...
Alvarez-Medina Diana I - - 2011
Pulmonary arterial hypertension (PAH) develops as result of imbalances between endothelium derived vasoconstrictors and vasodilators. Pulmonary hypertensive broiler chickens (PHBs) are deficient in NO production and endothelin-1 (ET-1) excess. With respect to prostacyclin, it appears that it does not alter vascular pulmonary tone in broilers. However, the role of Endothelium-Derived ...
Bhave Nicole M - - 2011
The evaluation and management of tricuspid regurgitation (TR) are often challenging. Significant TR is an independent predictor of reduced event-free and overall survival. Therefore, an evidence-based approach to the diagnosis and treatment of TR is of critical importance. TR can be classified into two basic categories: primary and secondary TR. ...
Henno Priscilla - - 2011
Rationale: Pulmonary vascular remodeling and dysfunction associated to tobacco smoking might pave the way for the subsequent development of pulmonary hypertension. Its prognosis is dreadful and its underlying mechanisms so far largely unknown in humans. Objectives: To assess the potential role of endothelin-1 and its receptors in smokers' pulmonary artey ...
Kawahira Yoichi - - 2011
Pulmonary artery banding (PAB) and ventriculo-arterial discordance (VAD) were reported to be risk factors of subaortic stenosis in univentricular heart. The aim of this study was to evaluate efficacy of Damus-Kaye-Stansel (DKS) anastomosis. Of all 89 patients undergoing total cavo-pulmonary connection (TCPC) in our center since April 1996, 38 had ...
Collin Cédric - - 2011
Aims: Fabry disease is a lysosomal storage disorder due to deficient alpha-galactosidase A activity, characterised by glycosphingolipids deposition in tissues. Patients have a common arterial involvement and contract progressive renal and cardiac disease. Although short-term effects of enzyme replacement therapy (ERT) on target organs have been established, no data are ...
Abe Kohtaro - - 2011
Rationale: Tyrosine kinase inhibitors have been reported promising for treatment of severe pulmonary hypertension. Their therapeutic effects are postulated to be due to inhibition of cell growth-related kinases and attenuation of vascular remodeling. Nothing has been considered regarding their potential vasodilatory activities. Methods: Vasorelaxant effects of tyrosine kinase inhibitors, imatinib, ...
Grohmann Jochen - - 2011
We report on a patient with ischaemic dilated cardiomyopathy, who developed progressive regurgitation of his native aortic valve after implantation of a left-ventricular assist device (LVAD, HeartMate II). Increasing regurgitant volume led to reduced effective cardiac output and worsening of symptoms. To overcome aortic regurgitation, we successfully closed his aortic ...
Tuluce Kamil - - 2011
Sinus of Valsalva aneurysms mostly remain silent. Here, we report a case with sinus of Valsalva aneurysm which caused right ventricular outflow obstruction and ruptured into the main pulmonary artery in the setting of DeBakey type I aortic dissection (Echocardiography ****;**:E1-E4).
Raja Shahzad G - - 2011
Objective: We report the mid-term follow-up of patients, who underwent arterial switch operation (ASO) for transposition of the great arteries (TGA) with intact ventricular septum and left-ventricular outflow tract obstruction (LVOTO) over a 10-year period from 2000 to 2009. Methods: Thirteen TGA patients (3.9% of our ASO cohort) with intact ...
Chevalier Benjamin - - 2011
We present the case of a caseous calcification of the mitral annulus, responsible for two strokes, in a 72-year-old female patient. The brain computed tomography (CT) scan confirmed the presence of a calcific embolus. The echocardiography showed a liquidy, pseudotumoral mass combined with numerous calcifications located in the posterior part ...
Weigang Ernst - - 2011
Thoracic endovascular aortic repair (TEVAR) has emerged as a promising therapeutic alternative to conventional open aortic replacement but it requires suitable proximal and distal landing zones for stent-graft anchoring. Many aortic pathologies affect in the immediate proximity of the left subclavian artery (LSA) limiting the proximal landing zone site without ...
Yashiki Noriyoshi - - 2011
A 40-year-old woman who was diagnosed to have systemic lupus erythematosus developed complications of cerebral infarction and alveolar hemorrhage. Close examination revealed severe aortic insufficiency, and she was diagnosed with Libman-Sacks syndrome. Due to progressive dilatation of the left ventricle and her easily fatigued state, surgery was performed. On pathological ...
Hoey Edward T D - - 2011
OBJECTIVE: This study assessed the utility of dual-energy pulmonary CT angiography (CTA) for noninvasive assessment of regional pulmonary perfusion in patients with chronic thromboembolic pulmonary hypertension (CTEPH). Regional perfusion abnormalities were correlated with hemodynamic parameters and structural abnormalities on pulmonary CTA. SUBJECTS and mEThOdS: Twenty patients with CTEPH (11 men ...
Dziodzio Tomasz - - 2011
Many dissections seem to also have a retrograde component. The aim of the study was to evaluate different sites of primary entry tears and the propagation of the dissecting membrane, antegrade and retrograde, in an experimental model of acute type B aortic dissection. The entire thoracic aortic aorta including the ...
Chen Ran-Chou - - 2011
PURPOSE: To delineate the watersheds between hepatic arterial territories and their variations with the use of CO(2)-enhanced ultrasonography (US) and to compare the results with segmental anatomy as described by Couinaud. MATERIALS AND METHODS: From March 2004 to January 2005, this study recruited 31 patients (18 men and 13 women; ...
Hemels M E W - - 2011
In patients with unexplained hypertension, especially in combination with a cardiac murmur, the presence of an aortic coarctation should always be ruled out given the high morbidity and mortality. However, particularly patients with an isolated coarctation often remain asymptomatic for years and the defect may be unnoticed even until the ...
Ono Masamichi - - 2011
Total anomalous pulmonary venous connection is occasionally associated with a functional single ventricle and is thought to be a risk for the staged Fontan approach. We report a patient with a very rare presentation of mitral atresia and intact atrial septum with physiologically total anomalous pulmonary venous drainage by a ...
Yang Eric H - - 2011
A 22-year-old female with no medical history presented to the emergency room with 2 weeks of rapidly worsening dyspnea on exertion, orthopnea, and cough. On cardiac auscultation, she was noted to have to-and-fro murmurs and a continuous murmur with signs of right heart failure. Echocardiographic images obtained showed moderate to ...
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