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Results 401 - 450 of 1680
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He Yihua - - 2011
BACKGROUND: There is a paucity of data on the prevalence of primary myxomatous degeneration (PMD) of the cardiac valves. Because the gold standard for the diagnosis is pathology, its preoperative detection rate is relatively low. The purposes of this study were to determine the capability of echocardiography to identify PMD ...
Kapoor Aditya - - 2011
Pulmonary vein stenosis (PVS) is a rare condition, seen usually in association with congenital heart disease or secondary to various acquired causes. Isolated PVS, in adults, especially in absence of congenital heart disease is extremely uncommon. We report PVS of left sided pulmonary veins in an 18-year-old male, who had ...
Dimarakis Ioannis - - 2011
High-risk patients with aortic stenosis are increasingly referred to specialist multidisciplinary teams (MDTs) for consideration of trans-catheter aortic valve implantation (TAVI). A subgroup of these cases is unsuitable for TAVI, and high-risk conventional aortic valve replacement (AVR) is undertaken. We have studied our outcomes in this cohort. Data prospectively collected ...
Jayranganath M - - 2011
Congenitally corrected transposition of the great arteries is a rare anomaly that is thought to arise from a defect in looping of the primitive cardiac tube. Cor triatriatum is another rare congenital cardiac anomaly due to faulty incorporation of the common pulmonary vein into the left atrium. We present a ...
Natale Francesco - - 2011
Elective surgery cannot be recommended in every patient with asymptomatic severe aortic stenosis, and predictors identifying high-risk patients need to be identified. In guidelines we read that elective surgery, at the asymptomatic stage, can only be recommended in selected patients, at low operative risk (see guidelines of European Society of ...
Cohle Stephen D - - 2011
The origin of the circumflex coronary artery from the right sinus of Valsalva is generally considered a benign anomaly. Herein we report the sudden unexpected death of a 6-year-old boy who died after jumping into a swimming pool and whose only pathologic finding was this usually inconsequential coronary artery anomaly. ...
Sepehripour A H - - 2011
OBJECTIVES AND DESIGN: Traumatic thoracic aortic injuries are serious and may be associated with high morbidity and mortality. Endovascular stent grafting is now an established treatment option which often requires proximal landing zone extension through left subclavian artery (LSA) origin coverage. This in turn can lead to downstream ischaemic complications ...
Doguet Fabien - - 2011
Abstract  Intraoperative aortic dissection is a rare but potentially fatal complication of cardiac surgery. In this report, we present a case of intraoperative aortic dissection that was complicated by intestinal ischaemia. The aorta was successfully repaired using both open and endovascular techniques. (J Card Surg 2011;**:***-***).
Kin Hajime - - 2011
Case 1 was a 20-year-old male who had been involved in a traffic accident and developed aortic regurgitation (AR) eight months later. He was admitted with dilatation of the left ventricle. Transesophageal echocardiography (TEE) showed severe AR with perforation of the right coronary cusp. Case 2 was a 50-year-old male ...
Mizuno Shiro - - 2011
Chronic hypoxia induces pulmonary arterial remodeling, resulting in pulmonary hypertension and right ventricular hypertrophy. Hypoxia has been implicated as a physiological stimulus for p53 induction and hypoxia inducible factor-1α (HIF-1α). However, the subcellular interactions between hypoxic exposure and expression of p53 and HIF-1α remain unclear. To examine the role of ...
Paul Timir K - - 2011
Impact of multiple cardiovascular (CV) risk factors on the intima-media thickness (IMT) of femoral and carotid artery segments measured simultaneously has not been studied in asymptomatic adults. This study examined the impact of multiple CV risk factors on the IMT in asymptomatic adults. Femoral and carotid IMT were measured by ...
Mariucci E M - - 2011
Aortic regurgitation is a common complication of ventricular septal defects. The most common mechanism is right or noncoronary cusp prolapse. Other mechanisms are right or noncoronary cusp fibrosis resulting in thickening and restricted motion of the leaflets or infective endocarditis leading to cusp perforation. We describe a case of subacute ...
Horita Yuki - - 2011
BACKGROUND: Upper arm swelling and venous hypertension at arteriovenous fistula sites, and insufficiency of hemodialysis are induced by central venous lesions in chronic hemodialysis patients. Percutaneous transluminal angioplasty (PTA) for central venous lesions is first-choice treatment. Cardiac function can be evaluated by measuring the acute increase in venous return volume ...
Liang Yi-Hsin - - 2011
Disseminated microvascular pulmonary tumor embolism (DMPTE) is extremely rare and invariably fatal. Typical symptoms and signs of DMPTE include shortness of breath and inadequate oxygenation. Here we demonstrate a patient with unexplained progressive pulmonary hypertension followed by sudden cardiac arrest, who finally diagnosed of DMPTE pathologically under veno-arterial extracorporeal membrane ...
Gabriel J - - 2011
A ventricular septal defect in transposition of the great arteries is frequently closely related to the cardiac valves. The valvar function after arterial switch operation of patients with transposition of the great arteries and ventricular septal defect or intact ventricular septum was compared. We analysed the function of all cardiac ...
Tangcharoen Tarinee - - 2011
Purpose: To evaluate the feasibility and accuracy of magnetic resonance (MR) coronary angiography for the detection of coronary artery anomalies in infants and children by using surgical findings as a reference. Materials and Methods: The data analysis was approved by the institutional review board. One hundred children with congenital heart ...
von Wattenwyl Robert - - 2011
Objective: Dilatation of RV outflow after surgical patch repair represents a problem for seating a percutaneous valve. We present the data of a new catheter-based, self-expanding tissue valve with a diameter up to 31mm. Methods: 7 Patients (median 9 years, range 2 to 24 years) with severe PR due to ...
Matalanis George - - 2011
BACKGROUND: For aortic arch surgery, the potential risks of deep hypothermic circulatory arrest with or without antegrade cerebral perfusion have been widely documented. We hereby describe our early experience with a "branch-first continuous perfusion" technique that, by avoiding deep hypothermia and circulatory arrest, has the potential to reduce morbidity and ...
Jander Nikolaus - - 2011
Retrospective studies have suggested that patients with a low transvalvular gradient in the presence of an aortic valve area < 1.0 cm² and normal ejection fraction may represent a subgroup with an advanced stage of aortic valve disease, reduced stroke volume, and poor prognosis requiring early surgery. We therefore evaluated ...
Punn Rajesh - - 2011
BACKGROUND: In complete transposition of the great vessels, a restrictive patent foramen ovale leads to inadequate circulatory mixing and severe cyanosis. Urgent balloon atrial septostomy (BAS) improves mixing and bridges neonates to surgery. Several studies have determined risk factors in utero for poor postnatal outcomes in complete transposition of the ...
Chen Zhiyong - - 2011
Purpose: To prospectively evaluate the accuracy of contrast-enhanced whole-heart coronary magnetic resonance angiography (CMRA) at 3.0 T, with the use of sublingual nitroglycerin and abdominal banding, for assessing significant stenosis (≥50% lumen diameter reduction) in patients with suspected coronary disease, using conventional coronary artery angiography as the reference standard. Methods: ...
Timian Jessica - - 2011
A 7 yr old castrated male Labrador retriever (35.6 kg) was evaluated for an acute onset of vomiting of 24 hr duration. On initial examination, the patient was febrile (103.8°F) and tachycardic (150 beats/min). Thoracic radiographs revealed left atrial enlargement with mild pulmonary infiltrates. The dog's condition worsened and repeat ...
Guler Ahmet - - 2011
Shone's anomaly describes a complex involving multiple left sided cardiac obstructions, namely, parachute deformity of the mitral valve, supravalvular ring of the left atrium, subaortic stenosis and aortic coarctation. We are reporting a case of Shone's anomaly characterised by aortic recoarctation, mitral supravalvular membrane, bicuspid aortic valve, complicated complete atrioventricular ...
Perez Cristina - - 2011
A 12 yr old Dalmatian was referred for evaluation of acute lethargy, fever, neurologic signs, and a recently ausculted heart murmur. Echocardiography in combination with blood cultures resulted in a diagnosis of nonhospital-acquired Serratia marcescens bacteremia and aortic valve endocarditis. Despite early diagnosis and aggressive therapy, the dog failed to ...
Tongprasert Fuanglada - - 2011
OBJECTIVE: To develop reference ranges of fetal aortic and pulmonary valve diameter derived from volume datasets of spatio-temporal image correlation (STIC). METHODS: A cross-sectional study was undertaken on low-risk pregnancies with well-established data from 14 to 40 weeks. Volume datasets of STIC were acquired for subsequent off-line analysis. Aortic and ...
Cheung Anson - - 2011
PURPOSE OF REVIEW: Transcatheter aortic valve implantation (TAVI) has developed in less than 2 decades to be a viable procedure, carving out a niche position in our armamentarium to treat high-risk patients with aortic valve disease. Rapid advances are occurring in prosthesis design, catheter delivery system, imaging, and the hybrid ...
Luo Guo-Hua - - 2011
Abstract  Background and Aim of the Study: Right pulmonary artery to left atrium fistula is a very rare cardiac malformation. We sought to describe our experience with surgical and transcatheter treatment of this defect in three cases. Material and Methods: Between October 2000 and October 2009, three patients with right ...
Klink Ahmed A Translational and Molecular Imaging Institute, Mount Sinai School of Medicine, 1428 Madison Avenue, New York, NY 10029, - - 2011
Abdominal aortic aneurysms (AAA) affect 5% of the population in developed countries and are characterized by progressive aortic dilatation with an unpredictable time course. This condition is more common in men than in women, and in smokers than in nonsmokers. If left untreated, AAA can result in aortic rupture and ...
Scohy Thierry V - - 2011
A 61-year-old patient with the diagnosis of acute heart failure based on severe mitral valve insufficiency due to chordae rupture was scheduled for surgery. Intraoperatively, a standard two-dimensional transesophageal echocardiogram (2D-TEE) examination, revealed severe mitral valve regurgitation due to a prolaps with chordal rupture and an echo dense structure in ...
Lehr Eric J - - 2011
Preoperative tracheostoma presents a significant risk of sternal wound complications, mediastinitis, stoma necrosis and tracheal injury in patients requiring cardiac surgery. Several approaches have been described to limit these risks. Robotic totally endoscopic coronary artery bypass grafting in patients with a tracheostoma has not been reported. We describe a case ...
Shoji Makoto - - 2011
Aim: Mesenchymal stromal cells from human bone marrow (hMSCs) were observed to produce therapeutic benefits in some models for cardiac and vascular injuries but their mode of action was not defined. We tested the effects of hMSCs in models for restricted vascular flow.Methods: We made model for restricted vascular flow ...
Shah Asad A - - 2011
Hybrid procedures combining traditional open and newer endovascular techniques are increasingly used to treat complex aortic disease. We present a novel approach for total aortic replacement, including hybrid repair of the arch and thoracoabdominal aorta, in a patient with "mega-aorta syndrome." A two-stage approach using a valve-sparing aortic root replacement, ...
Lee Geoffrey - - 2011
Background Pulmonary vein (PV) reconnection is the Achilles heel of pulmonary vein isolation (PVI) for atrial fibrillation (AF). Dissociated pulmonary vein potentials (dPVP) may reflect abnormal PV automaticity, indicate more extensive PV muscular sleeve or may simply be an epiphenomenon. Objective This study sought to determine the incidence, characteristics and ...
Jones Philip M - - 2011
OBJECTIVE:: To compare the kaolin-activated coagulation time (K-ACT) to the MAX-ACT for monitoring anticoagulation with bivalirudin in patients undergoing hybrid off-pump coronary artery revascularization procedures. DESIGN:: A prospective, observational study. SETTING:: A cardiac surgical operating room of a university-affiliated hospital. PARTICIPANTS:: Twelve patients undergoing off-pump coronary artery bypass graft surgery ...
Pugliese Francesca - - 2011
Multislice computed tomography (MSCT) is widely used to complement conventional angiography in the diagnosis and characterisation of coronary artery anomalies. MSCT adds relevant 3-dimensional information that relates the course of anomalous vessels to specific anatomical structures of the heart. The utility of MSCT in patients with coronary anomalies is exemplified ...
Biondi-Zoccai Giuseppe G L - - 2011
Trans-radial and trans-ulnar access is increasingly used for percutaneous coronary procedures, but spasm or pain may limit comfort and compliance. Intra-arterial lidocaine administration could provide a local anaesthetic effect, but its risk-benefit ratio is unclear. We aimed to compare intraarterial lidocaine versus saline to reduce peri-procedural discomfort during percutaneous trans-radial ...
Koskinen Tuomas - - 2011
OBJECTIVE: Reduction in carotid artery wall elasticity may interfere with baroreceptor function that could lead to low vagal tone. We studied at the population level the relations between carotid-artery-distensibility (Cdist) and vagal modulation of heart rate. METHODS AND RESULTS: Cdist was assessed with ultrasonic measurements of changes in carotid artery ...
Wang Zhiheng - - 2011
Cardiac plus infracardiac mixed-type total anomalous pulmonary venous connection is an extremely rare congenital heart disease. We describe a case in which the pulmonary veins made a confluence and connected to a vertical vein running into the inferior vena cava by the way of the hepatic vein. Surgical correction was ...
Shiokawa Yuichi - - 2011
We report a rare case of idiopathic pulmonary artery aneurysm (PAA) in a 56-year-old woman without any causative conditions, such as congenital heart disease, inflammation, pulmonary artery hypertension, or systemic vasculitis. She presented with sudden back pain, and examination revealed the PAA. She electively underwent resection of the aneurysm and ...
Rhissassi Badre - - 2011
Although congenital abnormalities of the inferior vena cava (IVC) are rare, they can lead to serious hemorrhagic complications, especially during aortoiliac surgery. The most frequent complications include the double IVC, left-sided IVC, and the left retroaortic renal vein isolated or associated with a preaortic renal vein forming a periaortic venous ...
Kim Hee Kyung - - 2011
Turner syndrome affects one in 2,500 girls and women and is associated with cardiovascular anomalies. Visualizing the descending thoracic aorta in adults with Turner syndrome with echocardiography is difficult. Therefore, cardiac MRI is the preferred imaging modality for surveillance. Our goals were to use cardiac MRI describe the spectrum and ...
Inoue Yoshito - - 2011
Preference for arterial inflow during surgery for type A acute aortic dissection remains controversial. Antegrade central perfusion prevents malperfusion and retrograde embolism, and the ascending aorta provides arterial access for rapid establishment of systemic perfusion, especially if there is hemodynamic instability. It has not been used routinely, however, because of ...
Iwasaki Kohichiro - - 2011
BACKGROUND: Epicardial fat (EF) is the visceral fat of the heart deposited under the visceral layer of the pericardium and has the same origin as abdominal visceral fat, which is shown to be strongly related to the development of coronary artery disease (CAD). We measured the volume of EF (EFV) ...
Fontes-Carvalho Ricardo - - 2011
We report the case of a 77-year-old man with heart failure (NYHA class IV), angina (CCS class III) and multiple comorbidities. The evaluation showed severe aortic sten osis and left main coronary disease. Due to the very high perioperative risk, conventional surgery was denied. It was therefore decided to perform ...
Cetin Mustafa - - 2011
Noncompaction of the ventricular myocardium (NVM) is a rare unclassified cardiomyopathy which is characterized by multiple prominent trabeculations and deep intertrabecular recesses. This cardiomyopathy can be isolated or in combination with other congenital cardiac disorders, including coronary artery abnormalities. A 56-year-old female patient presented to the cardiology department with complaints ...
Schmidt Richard - - 2011
High-risk cardiac patients, especially those with severe coronary artery disease, are prone to ischemic, arrhythmic and heart failure complications during urgent or emergent noncardiac surgery. The American and European guidelines endorse selective revascularization by either coronary artery bypass grafting or percutaneous coronary intervention in symptomatic ischemic patients prior to major ...
Eliasson H - - 2011
Fetal bradyarrhythmias have various underlying mechanisms. As blocked atrial bigeminy (BB) generally resolves spontaneously, but incomplete atrioventricular block (AVB) might respond to steroid treatment, correct diagnosis is of major importance. Our objectives were to assess the underlying mechanisms in fetal bradyarrhythmia and the accuracy of Doppler techniques in differentiating between ...
Chu Sharon Hl - - 2011
A 44-year-old woman who had been diagnosed with paroxysmal nocturnal hemoglobinuria, presented with chest pain. Angiography revealed critical distal left main stenosis and proximal stenoses of the left anterior descending and circumflex arteries. Prophylactic antibiotics, infusion of blood products and mannitol intraoperatively, and antithrombotic therapy postoperatively ensured a good outcome ...
Taniguchi Shinichiro - - 2011
We successfully performed aortic root replacement and partial aortic arch replacement by a T-shaped sternotomy at the second intercostal space in a patient who had undergone tracheotomy for respiratory insufficiency and cardiac failure caused by methicillinresistant Staphylococcus aureus pneumonia during preservation treatment of chronic type A aortic dissection and aortic ...
Picichè M - - 2011
Non-coronary collateral blood flow arrives to the heart from mediastinal, bronchial, and pericardial channels. These enter the heart through the pericardial reflections surrounding the pulmonary and systemic veins, as well as from the vasa vasorum of the aorta and the pulmonary artery leading to and from the myocardium. Before the ...
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