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Results 201 - 250 of 1682
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Dabbouseh Noura M - - 2011
In arterial dissection, blood may enter the arterial wall through an intimal tear, splitting the arterial wall and activating the coagulation cascade at the site of endothelial damage. Dissection of extracranial and intracranial vessels may lead to ischemic stroke through thromboembolic or hemodynamic mechanisms. Major blunt trauma or rapid acceleration-deceleration ...
Sun Zhonghua - - 2011
PURPOSE: To investigate the relationship between left coronary bifurcation and dimensional changes and development of coronary artery disease using multislice CT angiography. MATERIALS AND METHODS: 30 patients (18 men, 12 women, mean age, 56 years±8) suspected of coronary artery disease undergoing 64- and 256-slice CT angiography were included in the ...
Gutta Aadil A - - 2011
An association exists between congenital heart disease and urinary tract anomalies. We present the case of a 15-year-old female patient with a known VSD (ventricular septal defect) and Eisenmenger syndrome. Pulmonary embolism was clinically suspected and the patient underwent a ventilation/perfusion (VQ) scan. As expected in a right-to-left shunt, some ...
da Silva Paulo Sérgio Lucas - - 2011
Pseudoaneurysm of the cervical internal carotid artery is a very rare, potentially fatal complication of a neck space infection in children associated with high mortality and morbidity. A 3-year-old boy presented with spontaneous massive epistaxis 45 days after a deep neck space infection caused by a peritonsillar abscess. During nasopharyngeal ...
Kawase Isamu - - 2011
Quadricuspid aortic valves represent a very rare pathology. Most cases have been discovered incidentally during heart operations or at autopsy. Patients may become symptomatic with aortic regurgitation. We encountered a symptomatic patient with aortic regurgitation and a quadricuspid aortic valve. Successful aortic valve plasty was done with our original technique ...
Baron Toaldo M - - 2011
A 13-year-old, neutered female domestic shorthair cat was presented for sudden respiratory distress following palliative radiotherapy and the combined administration of a single dose of carboplatin for the treatment of recurrent fibrosarcoma. Clinical and radiographic findings were suggestive of pleural effusion. Echocardiography revealed marked right-sided cardiac enlargement associated with tricuspid ...
Jilaihawi Hasan - - 2011
Since the development and refinement of echocardiography, this technique has, for some time, been the mainstay for hemodynamic assessment of the mitral valve. This article discusses the key components of the invasive hemodynamic assessment of mitral valve disease and illustrates their utility through percutaneous transluminal mitral valvuloplasty for mitral stenosis ...
Wang Xuemei - - 2011
: The gold standard for assessing the degree of pulmonary hypertension is by right ventricular catheterization, an invasive procedure. This study was carried out to evaluate a noninvasive method using dynamic pulmonary perfusion imaging (DPPI) for assessing pulmonary hypertension and surgical outcome in patients with valvular heart disease. : A ...
Loke Kelvin S H - - 2011
A radionuclide Tc-99m hexamethylpropyleneamine oxime white blood cell scan with SPECT/CT was requested for the investigation of pyrexia and bacteraemia in a 69-year-old gentleman who was status postcoronary angiography and stenting. Abnormal radiotracer activity in the region of the left anterior descending artery was observed, which on subsequent histopathology found ...
Nakayama Masato - - 2011
The innominate vein usually courses anterior to the aortic arch, where it joins the right brachiocephalic vein to form the superior caval vein. A retroaortic innominate vein is an uncommon finding in patients with congenital heart disease. We report a patient with a single ventricle, single atrium, pulmonary atresia, nonconfluent ...
Yokoyama Yuichiro - - 2011
We report a surgical case of dextrocardia complicated with annuloaortic ectasia (AAE) and mitral regurgitation, which induced congestive heart failure. Preoperative electrocardiography-gated multidetector-row computed tomography (MDCT) showed the following complex cardiovascular abnormalities without motion artifacts: dextrocardia, situs inversus, polysplenia, AAE, absence of the inferior vena cava, azygos vein continuation, drainage ...
Kahwash Rami - - 2011
The pulmonary artery catheter will likely earn a place in the history of medicine as one of the most useful tools that shaped our understanding and management of various diseases. An intense assessment of its application in nonacute and nonshock decompensated heart failure has been provided by the ESCAPE trial, ...
Jilaihawi Hasan - - 2011
Over the past two decades, echocardiography has replaced cardiac catheterization for aortic valvular hemodynamic assessment. In recent years, however, there has been a rapid evolution of transcatheter aortic valve technology and, with its refinement, there has been the increasing recognition of the value of transcatheter hemodynamic assessment in complementing the ...
Fitzgerald Kevin P - - 2011
The pulmonary valve consists of 3 leaflets and is similar in anatomy to the aortic valve. It is the least likely to be affected by acquired disease, and thus, most disorders affecting it are congenital. The most common hemodynamic abnormality of the pulmonary valve is the congenitally narrowed domed valve ...
Boudoulas Konstantinos Dean - - 2011
Coronary artery fistula, usually congenital in origin, is an abnormal communication between a coronary artery and a cardiac chamber or great vessel (coronary sinus, pulmonary artery, pulmonary vein or super vena cava). A coronary fistula can produce high output heart failure from volume overload and/or myocardial ischemia from coronary steal ...
Sanchez Carlos E - - 2011
Inferior epigastric artery injury after cardiac catheterization and percutaneous coronary intervention is sporadically reported in the literature, yet it is a serious complication that can lead to life-threatening retroperitoneal hemorrhage and poor clinical outcomes after percutaneous coronary intervention. We present two cases of inferior epigastric artery injury from inadvertent puncture ...
Sheikh Mujeeb - - 2011
Although the majority of temporary epicardial leads used during cardiac surgery are removed in the perioperative period, occasionally, the wires are cut and allowed to retract into the subcutaneous tissue. Complications arising from such retained epicardial wires are rare. We present a case of transmyocardial migration of a retained epicardial ...
Selmi Khalifa - - 2011
Bland-White-Garland syndrome, also known anomalous origin of the left main coronary artery, is a rare congenital malformation. The authors report the case of a 51-year-old woman with anomalous origin of the left main coronary artery from the pulmonary artery. A prominent large ostium of the right coronary artery and intercoronary ...
Veselka Josef - - 2011
BACKGROUND: Carotid artery stenting (CAS) is the method of choice for carotid artery revascularization of patients at high risk for carotid endarterectomy. In this study, we compared the midterm results of CAS in patients with unilateral versus bilateral carotid artery disease. METHODS AND RESULTS: This is a retrospective analysis of ...
de Frutos Sergio - - 2011
Chronic hypoxia (CH) activates the Ca(2+)-dependent transcription factor nuclear factor of activated T cells isoform c3 (NFATc3) in mouse pulmonary arteries. However, the mechanism of this response has not been explored. Since we have demonstrated that NFATc3 is required for CH-induced pulmonary arterial remodeling, establishing how CH activates NFATc3 is ...
Tomassini Francesco - - 2011
Iatrogenic dissection of the sinus of Valsalva or of the ascending aorta is a rare, but potentially fatal event, during the percuteneous coronary intervention (PCI). We reported a case of perforation of the sinus of Valsalva by guiding catheter during PCI via the right transradial approach (TRA) successfully managed and ...
Gabrielli R - - 2011
Femoral artery pseudoaneurysm (FAP) is one of the most common vascular complications after cardiac and peripheral angiographic procedures. Ultrasound-guided thrombin injection is the standard procedure for the treatment of FAP. Complications such as thrombotic events with leg ischemia after thrombin leakage into the femoral artery or immunogenic consequences are rare. ...
Thanopoulos Basil Vasilios - - 2011
Percutaneous pulmonary valve implantation into dysfunctional right ventricular to pulmonary artery conduits is being increasingly performed in many European and North American centers with satisfactory results and low complication rates. We report the first application of this elaborate technique in the native right ventricular outflow tract of a young patient ...
Holzer Ralf J - - 2011
Background-Pulmonary artery (PA) balloon angioplasty and/or stenting (PA rehabilitation) is one of the most common procedures performed in the cardiac catheterization laboratory, but comprehensive and consistently reported data on procedure-related adverse events (AE) are scarce. Methods and Results-Data were prospectively collected using a multicenter registry (Congenital Cardiac Catheterization Project on ...
Drees Randi - - 2011
Canine coronary artery angiography (CTA) was performed in four anesthetized healthy dogs using 64-multidetector computed tomography. Esmolol, a β-1 adrenergic receptor antagonist, and sodium nitroprusside, an arteriolar and venous dilator, were administered to enhance visualization of the coronary arteries by reducing heart rate and creating vasodilation. The left main coronary ...
Abdel-Karim Abdul-Rahman R - - 2011
Acute occlusion of left main coronary artery after diagnostic angiography can be rapidly fatal. We describe two patients with left main disease that developed cardiac arrest shortly after diagnostic coronary angiography. They were both successfully treated with emergency left main stenting while cardiopulmonary resuscitation was being performed. Patients with left ...
Al-Mohaissen Maha A - - 2011
Marfan syndrome is associated with a high incidence of aortic root aneurysm and life-threatening aortic dissection. With the successful use of surgical aortic root replacement, dissection-related mortality has been significantly reduced. We present the case of a patient with Marfan syndrome who presented with heart failure secondary to an unusual ...
Bartolomucci Francesco - - 2011
BackgroundIn patients with hypertrophic cardiomyopathy (HCM) an impaired microvascular function is reported not only in the hypertrophied septum but also in the nonhypertrophied left ventricular free wall as well as in forearm resistance vessels, thus suggesting a generalized alteration in vascular function. However, information on conduit artery involvement is still ...
Balakrishnan Preetha L - - 2011
Congenital arteriovenous malformations are a well-described cause of neonatal heart failure. Fistulous connections are typically intrahepatic or intracranial. We present a case of a neonate with an intrathoracic arteriovenous malformation between the subclavian artery and superior vena cava resulting in florid neonatal heart failure. This unusual fistulous connection has only ...
Wilson Robert Brooks - - 2011
Cardiac computed tomography surpasses the limitations of conventional coronary angiography and transthoracic echocardiography in determining the origin, course, and extent of coronary artery anomalies. This case report illustrates a rare combination of congenital coronary artery anomalies consisting of anomalous origin of the right coronary artery arising from the left sinus ...
Hoashi Takaya - - 2011
A 3-month-old infant with perimembranous ventricular septal defect (VSD) and pulmonary hypertension presented at our center. Cardiac catheterization showed a systolic pulmonary-to-systemic arterial pressure ratio of 0.99 and a pulmonary vascular resistance of 9.32 μm(2). Pulmonary angiography showed focal orifice stenosis in the right lower and left lower and upper ...
Oh Sang Gi - - 2011
Aneurysms of the major thoracic veins are rare. They are usually asymptomatic and thus treated conservatively. We report an extremely rare case of rapidly progressing superior vena cava (SVC) aneurysm complicated by thrombosis and acute pulmonary thromboembolism (PTE) with right ventricular dysfunction. Thrombolytic therapy for hemodynamically significant acute PTE was ...
Jackson-Weaver Olan - - 2011
Myogenic tone, an important regulator of vascular resistance, is dependent on vascular smooth muscle (VSM) depolarization, can be modulated by endothelial factors, and is increased in several models of hypertension. Intermittent hypoxia (IH) elevates blood pressure and causes endothelial dysfunction. Hydrogen sulfide (H(2)S), a recently described endothelium-derived vasodilator, is produced ...
Byramji Angela - - 2011
Three cases are reported to demonstrate the range of possible lesions and wide variation in lethal mechanisms that may be found in cases of unexpected death subsequently shown to be due to bacterial endocarditis. Case 1: A 36-year-old man was found dead on his bedroom floor surrounded by drug paraphernalia. ...
Zhang Weiguo - - 2011
The MSCT manifestations of a left coronary artery-to-right atrium fistula before and after the transcatheter closure were reported. Before treatment, MSCT showed a dilated left coronary sinus and the dilated left main trunk, which coursed along the coronary sulcus to form the left circumflex artery, draining directly into the right ...
Dermengiu Dan - - 2011
A 20-year-old woman complained for several weeks before her death of unspecific epigastric pains. Such episodes were labeled as "dyspeptic episode." A month later, once again she started to complain about stomach pains, then she collapsed unconscious. She was rushed to a hospital, where she was admitted in cardiorespiratory arrest. ...
Fokou Marcus - - 2011
Isolated aneurysms of the iliac artery (IA) are very rare. Inflammatory aneurysms are also rare conditions, making the association rarer. Only four cases of isolated inflammatory IA aneurysms have been reported in the last decade. In this article, we report a case of a 62-year-old patient with a 13-cm large ...
Anastasiadis Kyriakos - - 2011
The aim of this report is to explore application of minimized cardiopulmonary bypass (CPB) circuits in areas of cardiac surgery other than coronary bypass grafting and aortic valve surgery. We report three cases operated under minimal extracorporeal circulation support. Replacement of the descending thoracic aorta was performed in two patients; ...
Matsubara Takumi J - - 2011
Patients who have undergone cardiac transplantation are occasionally complicated by the development of a coronary artery fistula. It has been reported that a majority of coronary artery fistulas in a post-heart transplant setting communicate with the right ventricle. Moreover, most had a favorable prognosis and were rarely associated with hemodynamic ...
Di Iorio Biagio - - 2011
Background/Aims: Evidence suggests that vascular calcification (VC) portends poor cardiovascular (CV) prognosis in patients undergoing maintenance dialysis (CKD-5). Nonetheless, how VC might predispose to CV mortality still remains to be clarified. Herein, we report on the association between coronary artery calcification (CAC) progression and changes in cardiac repolarization as well ...
Suda Kenji - - 2011
Background- Some patients with Kawasaki disease develop giant coronary aneurysms and coronary stenosis, leading to ischemic heart disease. The aim of this study was to determine the long-term prognosis of patients with Kawasaki disease with giant aneurysms. Methods and Results- From our institutional database, 76 patients (57 men and 19 ...
Kawai Norikazu - - 2011
We report a rare case of bilateral profunda femoris artery aneurysms (PFAAs) and a left common femoral artery aneurysm (CFAA) presenting as lower limb ischemia. An 84-year-old man presented with a sense of coldness and intermittent claudication of his left lower limb. Ultrasonography and computed tomography angiography showed bilateral PFAAs, ...
Freeman Alexandra F - - 2011
OBJECTIVE: Hyper-IgE syndrome (HIES) is a rare primary immunodeficiency caused by autosomal dominant STAT3 mutations resulting in recurrent infections and connective tissue abnormalities. Coronary artery abnormalities have been reported infrequently. We aimed to determine the frequency and characteristics of coronary artery abnormalities. DESIGN: STAT3-mutated HIES patients (n = 38), ranging in age ...
Richard Christian - - 2011
PURPOSE OF REVIEW: Hemodynamic monitoring has gained widespread acceptance in intensive care units. Despite ongoing debate regarding its safety and efficacy, monitoring with the pulmonary artery catheter (PAC) remains used for the management of severe heart failure and shock. RECENT FINDINGS: To reanalyze using the most recently published literature in ...
Taylor Bryan J - - 2011
We examined mechanisms by which hypoxia may elicit pulmonary capillary recruitment in humans. On separate occasions, twenty-five healthy adults underwent exposure to intravenous saline infusion (30 ml/kg ∼ 15 min) or 17-h normobaric hypoxia ( [FIO2 = 12.5%). Cardiac output (Q) and pulmonary capillary blood volume (Vc) were measured before ...
Basalus M W Z - - 2011
A 40-year-old woman presented with dyspnoea, chest pain and fatigue. Her medical history was unremarkable. An early systolic ejection murmur was heard in the 3D left inter-costal space. Chest X-ray revealed normal cardiothoracic ratio with an anomalous vessel adjacent to the left pulmonary hilum. Echocardiography and exercise tolerance test were ...
Séguéla Pierre-Emmanuel - - 2011
We report the case of a newborn with pulmonary atresia with intact ventricular septum and right ventricle-dependent coronary circulation. He died several weeks after a Blalock-Taussig procedure because of a progressive stenosis of the main coronary artery. We present echocardiographic and dual-source CT images of the stenosis, with autopsy correlation. ...
Zattera Giuseppe Francesco - - 2011
We present postoperative and midterm (3 years) angiographic changes after removal of five (of six) occluded stents from the left anterior descending (LAD) coronary artery and its reconstruction with a 9-cm-long on-lay patching done with the left internal mammary artery.
Murasato Yoshinobu - - 2011
We present a case of an elderly man suffering from an acute coronary syndrome (ACS) with preshock vital signs and remarkable ST-T wave depression in leads V4-V6, and ST elevation in lead aVR. Coronary angiography showed total occlusion of the right coronary artery (RCA) and impending occlusion in the distal ...
Roche Susan Lucy - - 2011
Sufficient time has passed that adult congenital heart disease (ACHD) specialists now frequently encounter survivors born with complete transposition of the great arteries and palliated with an atrial or arterial switch procedure. To ensure the ongoing health of these patients, it is of paramount importance that their surgeries are understood ...
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