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Results 351 - 400 of 1680
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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 ...
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 ...
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 ...
Talwar Sachin - - 2011
Abstract  We report an adult patient with anomalous right pulmonary artery (RPA) from the ascending aorta with origin stenosis, a secundum type of atrial septal defect (ASD) with severe pulmonary arterial hypertension (PAH) in the left lung, and a protected right lung. Restoration of the continuity between the RPA and ...
Odili Augustine N - - 2011
Aortic aneurysm can result from both Marfan syndrome (MFS) and hypertension. Hypertension is more easily detected by the use of ubiquitous sphygmomanometer but MFS diagnosis requires a summation of a set of clinical features, including increased cardiac output from aortic regurgitation. A common complication of aortic aneurysm may result in ...
Goda Ayumi - - 2011
Placement of a ventricular assist device (VAD) may lead to reduced or absent opening of the aortic valve and thus increase risk of thrombus formation in the aortic root as well as on the valve itself. The outcome of additional procedures to the aortic valve at the time of VAD ...
Scholtz Werner - - 2011
A 63-year-old female with complex congenital heart disease underwent a classical Blalock-Taussig (B-T) shunt operation at the age of 3 years in 1948. The cardiac morphology was not amenable to further definite surgical repair in that period of time. With this palliative operation, the patient survived to the age of ...
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 ...
Tipoo Sultan Fateh Ali - - 2011
Aneurysm of sinus of Valsalva is a rare cardiac abnormality with congenital origin in most of the cases. If it is located in the right coronary sinus, it usually ruptures into a right heart chamber and frequently a ventricular septal defect (VSD) coexists with this condition. Early diagnosis and immediate ...
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; ...
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 ...
Fredenburg Tyler B - - 2011
The Fontan procedure refers to any operation that results in the flow of systemic venous blood to the lungs without passing through a ventricle. It is performed to treat several complex congenital heart abnormalities including tricuspid atresia, pulmonary atresia with intact ventricular septum, hypoplastic left heart syndrome, and double-inlet ventricle. ...
Macdonald Simon T - - 2011
A number of percutaneous devices are available to embolize anomalous vessels in congenital heart disease. We report our initial single-center experience with the new Amplatzer Vascular Plug IV (AVP IV) in congenital heart disease to embolize a coronary artery fistula and aortopulmonary collateral arteries in 4 cases. From August 2009 ...
Chittoodan Suresh - - 2011
The aim of this study was to compare the short and long axis approaches to ultrasound guided right internal jugular vein cannulation with respect to indicators of success. Patients undergoing cardiac surgery requiring central venous cannulation (99 patients) were randomised to undergo either long or short axis ultrasound guided cannulation ...
Shabestari Abbas Arjmand - - 2011
: The objective of the study was to find whether changes in left ventricular ejection fraction (LVEF) have an impact on contrast opacification of coronary artery bypass grafts (CABGs) in coronary computed tomography angiography (CTA). : One hundred two CABG patients were assessed using 64-slice CTA. Concurrently, their LVEF was ...
Nishigawa Kosaku - - 2011
A 79-year-old woman with Bland-White-Garland syndrome was admitted to our institution for surgical treatment of severe mitral regurgitation (MR). She had previously undergone mitral valve repair and coronary artery bypass grafting for both mitral insufficiency and a coronary artery anomaly 14 years earlier. However, the degree of residual MR had ...
Ghosh Pradeepto - - 2011
We present the case of a rare coronary anomaly in a 64-year-old male who presented with exertional angina. The right coronary artery (RCA) was dominant, giving origin proximally to an anomalous left circumflex (LCX) artery and a left anterior descending (LAD) artery which supplied the conventional mid and distal LAD ...
Shah Dipesh K - - 2011
Intimal sarcoma of the pulmonary artery is commonly misdiagnosed as chronic pulmonary embolism. Rarely, it can involve the right ventricular outflow tract and the pulmonary valve. We report a patient who was treated surgically for an intimal sarcoma of the pulmonary artery involving the right ventricular outflow tract and the ...
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 ...
Gallagher Sean M - - 2011
We report the first case of primary percutaneous coronary intervention (PPCI) in a patient with a single coronary artery arising from the right aortic sinus. With the increasing availability of PPCI, more patients with coronary artery anomalies will undergo this procedure. This report highlights both the feasibility and safety of ...
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 ...
Byon H-J - - 2011
To evaluate the potential risk for intra-aortic balloon (IAB)-induced obstruction to the celiac axis (CA) or the renal artery (RA) when IAB size is chosen according to patient height and the tip is placed 2 cm distal to the origin of the left subclavian artery (LSCA), the computed tomography images ...
Talwar Sachin - - 2011
Abstract  We report our experience with a five-year-old child with d-transposition of great arteries (d-TGA), ventricular septal defect (VSD), and severe pulmonary arterial hypertension (PAH). A fenestrated unidirectional-valved patch was used to close the VSD and a standard arterial witch operation (ASO) was performed. Difficulties in assessment of operability and ...
Saito Takahiko - - 2011
Anomalous right coronary artery arising from the left sinus of Valsalva is a rare congenital abnormality. Percutaneous coronary intervention of the anomalous-origin right coronary artery can be challenging. Iatrogenic aorto-coronary dissection is a rare and life-threatening complication. We present a case of aortocoronary dissection that occurred during angioplasty of the ...
Meier Pascal - - 2011
There is an ongoing debate on the effective importance of the collateral network, especially in the current era, where most patients with significant coronary artery disease are revascularized, be it percutaneously or surgically; thus, people may question a significant benefit of the coronary collateral circulation. However, the presented 61-year-old male ...
Yavin Daniel - - 2011
Background: A meta-analysis of randomized controlled trials (RCTs) was conducted to update the available evidence on the safety and efficacy of carotid endarterectomy (CEA) versus carotid artery stenting (CAS) in the treatment of carotid artery stenosis. Methods: A comprehensive search was performed of MEDLINE, EMBASE, CENTRAL, bibliographies of included articles ...
Gupta Mohit D - - 2011
This report describes the preoperative diagnosis of a 6-month-old child with tricuspid atresia related to an unroofed coronary sinus. The anomaly usually is diagnosed after the Fontan operation due to persistent arterial desaturation. Preoperative recognition of this association is important. All cases of tricuspid atresia should be screened for associated ...
Lee Richard - - 2011
BACKGROUND: Although results in valvular heart surgery may be improving, too few cases are available in most centers to quantify changes, especially for uncommon procedural categories. This study examined comprehensively national trends in valve surgery outcomes over the past 15 years. METHODS: From 1993 through 2007, 623,039 valve procedures were ...
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 ...
Song Jong Wook - - 2011
Hemodynamic derangement during off-pump coronary artery bypass surgery (OPCAB) is mainly attributed to impaired filling and diastolic dysfunction. An elevated ratio of the mitral velocity to the early-diastolic velocity of the mitral annulus (E/e' > 15) is a relatively new indicator of diastolic function, and this was reported to be ...
Ha Geun Jin - - 2011
Right sided aortic arch is an uncommon congenital anomaly. It can be classified into three types, depending on the left aortic arch's degenerating pattern and the branching pattern of the great vessels. It can be associated with major congenital heart disease, depending on the type of right sided aortic arch. ...
Ocak I - - 2011
We present a case of constrictive pericarditis resulting in an outpouching of the right ventricular free wall, simulating a right ventricular free wall aneurysm. The present case is, to the best of our knowledge, the first reported right ventricular free wall aneurysm-like outpouching adjacent to surrounding regions of thickened pericardium ...
Mehta G S - - 2011
Endovascular abdominal aortic aneurysm repair in decompensated heart failure patients requiring ventricular assist device (VAD) placement needs careful consideration of both complex disease states. We present this clinical dilemma and describe our choice of transcatheter aneurysm repair in the face of advanced refractory heart failure following VAD implantation.
Hirsch Russel - - 2011
Pulmonary arterial hypertension is a progressive disorder that may result in right heart failure and death. Atrial level shunts in the presence of pulmonary hypertension may allow right-to-left mixing with maintenance of cardiac output and improved survival. However, excessive mixing at the atrial level can cause undue systemic desaturation, increased ...
An Yong - - 2011
The natural history of total pulmonary venous connection (TAPVC) is unfavorable per se. We describe a modified technique of intra-atrial repair in infants with supra- and infracardiac TAPVC. Twenty patients were treated. The median age at repair was 16 (range 3-62) days. Echocardiography and multi-detector row computed tomography were used ...
Owen Andrew - - 2011
It is well established that the treatment of symptomatic aortic stenosis is timely aortic valve replacement. By contrast, the optimum treatment of severe asymptomatic aortic stenosis is not clear. There are no randomised controlled trials on which to base management. Current guidelines recommend a watch-and-see approach, with surgery deferred until ...
Sohns Christian - - 2011
Atrial fibrillation (AF) is the most common supraventricular arrhythmia and a major cause of morbidity. Arrhythmogenic foci originating within the pulmonary veins (PVs) are an important cause of both paroxysmal and persistent AF. A variety of endovascular and surgical techniques have been used to electrically isolate the PV from the ...
Agrawal Gyanendra - - 2011
Pulmonary hemosiderosis is defined as the clinical and functional consequence of iron overload of the lungs, which usually occurs due to recurrent intra-alveolar bleeding. It can manifest as miliary mottling and should be entertained in the differential diagnosis of patients presenting with miliary nodules on chest radiography, especially those with ...
Shuhaiber J - - 2011
The outcome for children with pulmonary vein atresia has been historically poor. This report describes clinical outcomes after surgical treatment of primary and secondary pulmonary vein atresia. All patients undergoing surgery for pulmonary vein atresia at Children's Hospital Boston from 1 January 2005 to 1 January 2009 were identified. The ...
Black David E - - 2011
We describe the case of a young man aged 19 years with a double inlet left ventricle associated with transposition of the great arteries, and a mechanical aortic valve requiring anticoagulation, who presented with massive haemoptysis. At cardiac catheterisation, there were multiple feeder vessels to a bleeding leash surrounding and ...
Maus Timothy M - - 2011
OBJECTIVES: To evaluate the accuracy, precision, and trending of a new endotracheally sourced impedance cardiography-based cardiac output (CO) monitor (ECOM; ConMed Corp, Irvine, CA). SETTING: Two university hospitals. PARTICIPANTS: Thirty patients scheduled for elective coronary artery bypass graft (CABG) surgery. INTERVENTIONS: All patients received a pulmonary artery catheter (PAC), arterial ...
Nguyen Nguyenvu - - 2011
This report describes a neonate with heart failure resulting from bilateral coronary artery fistulas and left ventricle noncompaction. The patient underwent successful surgical ligation of the fistulas.
Nishida T - - 2011
SUMMARY: This is the first report of success in numerically quantifying and visualizing cardiac cycle-related intracranial vessel motion and pulse waves in human subjects by using 320-detector CTA and a newly developed motion-detection algorithm to better understand the physiologies of intracranial arteries. This new technique promises to provide significant novel ...
Han Shu - - 2011
Partial anomalous pulmonary venous connection (PAPVC) with intact interatrial septum is an uncommon congenital anomaly, while isolated left pulmonary venous connection with intact interatrial septum is rare. In this report, a 5-year-old girl with chief complains of mild short breath after exercise was diagnosed of anomalous connection between left superior ...
Peters Ferande - - 2011
We describe two cases of congenital submitral aneurysms (SMAs) in which three-dimensional transesophageal echocardiography (3D TEE) proved useful to define the spatial extent of these aneurysms. In both cases, rupture into the left atrium was accurately delineated. 3D TEE was useful in case 1 as it depicted the precise site ...
van Gorselen Edwin - - 2011
We report the case of a 91-year-old man with severe symptomatic mitral regurgitation (MR), referred for assessment of percutaneous edge-to-edge repair 3 years after bioprosthetic aortic valve replacement (AVR). Detailed transthoracic, trans-oesophageal (TEE), and three-dimensional (3D) echocardiography showed a perforation in the subaortic curtain leading to severe regurgitation from the ...
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