Search Results
Results 1 - 50 of 3778
1 2 3 4 5 6 7 8 9 10 >
Roden Anja C AC Department of Laboratory Medicine and Pathology, Mayo Clinic Rochester, MN, - - 2014
Pulmonary hypertension is a disease that is characterized by an increased pulmonary artery pressure and often results in right ventricular failure. Patients of any age might present with exertional dyspnea and fatigue, but clinical signs and symptoms can sometimes be difficult to recognize. Therefore, histopathology might become critical for the ...
Cataldo S S Adult Congenital Heart Disease Unit Bristol Heart Institute, Bristol, UK - - - 2014
There are a wide variety of coronary artery anomalies and disease in adults with congenital heart disease (CHD). In fact, the increasing burden of acquired coronary artery disease (CAD) has to be considered in addition to congenital abnormalities of the coronary arteries, isolated or associated to other congenital diseases. This ...
Zamorano Jose L JL University Hospital Ramón y Cajal, Madrid, - - 2014
Mitral regurgitation is a common valvular heart disease and its prevalence is expected to increase with population ageing. Percutaneous techniques for the treatment of mitral regurgitation are emerging as an alternative therapeutic option. However, the mitral valve is a complex structure, and a comprehensive understanding of the anatomy of the ...
Abou Zahr Riad R Department of Pediatrics, section of Pediatric Cardiology, Yale University School of Medicine, New Haven, CT, - - 2014
Trans-catheter balloon angioplasty is a well-established treatment modality for pulmonary artery stenosis in children with congenital heart disease. We report a case of an unusual complication where a fistula developed between the left pulmonary artery and the left atrium during balloon angioplasty in a patient with history of tetralogy of ...
Huang C C Department of Rheumatology, Peking Union Medical College Hospital, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, - - 2014
A 35-year-old female patient was diagnosed with pulmonary arterial hypertension (PAH) by right heart catheterization (RHC) in the 3rd month of systemic lupus erythematosus (SLE) duration with high disease activity. Through methylprednisolone pulse therapy, she got total recovery from PAH proven by repeat catheterization and follow-ups. This is the first ...
Loukas Marios M Department of Anatomical Sciences, St. George's University, Grenada, West Indies; Department of Anatomy, Varmia and Mazuria Medical School, Olsztyn, - - 2014
Coronary arteries have been extensively described and recognized by gross anatomic studies. However, in the clinical setting, the recognition of the conal artery is essential during coronary angiography, as well as certain congenital heart conditions such as tetralogy of Fallot. In order to provide a complete anatomic and physiologic correlation ...
Tanemoto Kazuo K Department of Cardiovascular Surgery, Kawasaki Medical School, 577 Matsushima, Kurashiki City, Okayama, 701-0192, Japan, - - 2014
For successful repeated valve replacement surgery, it is essential issue that the preoperative evaluation includes an assessment of the previous operation record, computed tomography (CT: including 3D-CT), ultrasound cardiography, coronary artery angiography, and so on. Although it is especially needed for repeated valve replacement surgery, setting up of the external defibrillation ...
D'Alto Michele M Department of Cardiology, Second University of Naples - Monaldi Hospital, Naples, - - 2014
Echocardiography is a key screening tool in the diagnostic algorithm of pulmonary arterial hypertension (PAH). It provides an estimate of right ventricular function and pulmonary artery pressure, either at rest or during exercise, and is useful in ruling out secondary causes of pulmonary hypertension (PH) such as left heart disease ...
Godinho Ana Rita AR Serviço de Cardiologia, Hospital de São João, Porto, Portugal. Electronic address: - - 2014
The authors present the case of a 68-year-old man with predominantly right heart failure in the context of severe aortic stenosis associated with pulmonary hypertension. Anemia was diagnosed which, after endoscopic study, was considered to be secondary to angiodysplasia and a diagnosis of Heyde syndrome was made. After valve replacement ...
Li Yang Y Department of Cardiovascular Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of - - 2014
Angiotensin-converting enzyme (ACE) and ACE2 are key regulators of the renin-angiotensin system, which has been shown to participate in a series of cardiovascular diseases. We hypothesized that dysregulated gene expression of ACE and ACE2 contribute to the formation of thoracic aortic dissection and aneurysm. We assessed ACE plasma concentration in ...
Keyte Anna L AL Brumley Neonatal Perinatal Research Institute, Department of Pediatrics, Duke University, Durham, North - - 2014
The cardiac neural crest cells (CNCCs) have played an important role in the evolution and development of the vertebrate cardiovascular system: from reinforcement of the developing aortic arch arteries early in vertebrate evolution, to later orchestration of aortic arch artery remodeling into the great arteries of the heart, and finally ...
Cozzi Corin T CT 1Division of Neonatology,Nationwide Children's Hospital,Columbus,Ohio,United States of - - 2014
Background: Altered mesenteric perfusion may be a contributor to the development of necrotising enterocolitis in patients with hypoplastic left heart syndrome. The goal of this study was to document mesenteric flow patterns in patients with hypoplastic left heart syndrome pre- and post-hybrid procedure. Methods: A prospective study on all patients ...
Ruttkay Tamas T Department of Cardiac Surgery, Sana Cardiac Surgery Stuttgart GmbH, Stuttgart, - - 2014
Background An increasing number of experimental beating heart animal studies describe simple transapical mitral valve repairs based on the direct endoscopic visualization of the left ventricle. The aim of our human cadaveric study was to develop a method for more complex transapical endoscopic procedures by on-pump heart operations. Materials and Methods After ...
Serio Paola P Respiratory Endoscopy Unit, Department of Paediatric Anesthesia and Intensive Care, Meyer Children Hospital, Florence, Italy. Electronic address: - - 2014
Anomalous left coronary artery from pulmonary artery (ALCAPA) is a rare congenital anomaly in which left coronary artery arises from the pulmonary artery resulting in progressive myocardial ischemia and dysfunction of the left ventricle. We report a case of ALCAPA with severe cardiac and respiratory failure and huge heart dilation ...
Berthelot E E Department of cardiology, Bicetre Hospital, AP-HP, Le Kremlin-Bicêtre, - - 2014
Coupled arterial and left ventricular properties are poorly documented in acute heart failure. The aim of this prospective non invasive study was to document early changes in ventricular-arterial coupling in patients with acutely decompensated HF (ADHF). We studied 19 patients hospitalized for ADHF (age 62±15 years, NYHA class 3 or ...
Emren Zeynep - - 2014
ObjectivesThe aim of the present study was to retrospectively evaluate the prevalence of concurrent coronary artery disease in patients who underwent surgery due to severe valvular heart disease. The study also investigated the association of coronary artery disease with the type of valvular heart disease.Materials and methodsA total of 241 ...
Mackman Chad A CA Division of Cardiology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA, - - 2014
Cor triatriatum dexter is a rare congenital heart defect that can lead to cyanosis in a newborn with an otherwise normal exam. The initial evaluation of these patients typically focuses on searching for a pulmonary etiology for arterial desaturation, which often leads to a negative work up. When cardiac evaluation ...
Guo Xiaojuan X Department of Radiology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China. - - 2014
We aimed to determine the correlation between flow characteristics of the proximal pulmonary arteries and vena cava obtained by 3.0 T phase-contrast magnetic resonance imaging (MRI) and hemodynamic characteristics by right heart catheterization in patients with chronic thromboembolic pulmonary hypertension. Twenty consecutive patients with chronic thromboembolic pulmonary hypertension and 20 ...
Kato Takayoshi T Department of Cardiovascular Surgery, Gifu Heart Center, Gifu, Japan - - 2014
Aneurysm of the sinus of Valsalva is an uncommon entity and especially rare when it dissects into the intraventricular septum. This uncommon clinical manifestation often takes a drastic clinical course with life-threatening arrhythmia, coronary ischemia, rupture, and heart failure. We present the case of a 36-year-old man with an aneurysm ...
Furutachi Akira A Department of Thoracic and Cardiovascular Surgery, National Hospital Organization Ureshino Medical Center, Saga, Japan. Electronic address: - - 2014
Patients with thoracoabdominal aortic aneurysms (TAAA) often have severe ischemic heart disease. The determination of which condition to treat first is based on disease severity, but in some cases the conditions are equally severe. A 78-year-old woman received a diagnosis of a 59-mm TAAA and coronary artery stenosis. We performed ...
Dai Jian J Department of Cardiology, Shu Guang Hospital Bao Shan Branch, Shanghai University of Traditional Chinese Medicine, Shanghai, - - 2014
A single coronary artery (SCA) arising from the sinus of Valsalva and supplying the entire heart is a rare congenital anomaly. According to the modified Lipton's classification, R-1 is by far the most rare subtype of SCA, with an incidence of 0.0008% in patients undergoing coronary angiography. We present a ...
Gibyeli Genek Dilek D Department of Nephrology, Dokuz Eylul University School of Medicine, Izmir, - - 2014
Primary failure, early thrombosis, and inadequate maturation are the main complications encountered in arteriovenous fistulas. Doppler ultrasonographic assessment of flow-mediated dilatation (FMD) is currently used for the early diagnosis of atherosclerosis. Clinical experience in the use of FMD for preoperative assessment of vasculature is rather limited; therefore, we sought to ...
Watanabe Taiju T Department of Cardiovascular Surgery, Tokyo Medical and Dental University Graduate School of Medical and Dental Sciences, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, - - 2014
Mitral valve repair is the preferred surgical treatment for mitral regurgitation. Cardiac surgeons must increasingly pursue high-quality mitral valve repair, which ensures excellent long-term outcomes. Intraoperative assessment of a competency of the repaired mitral valve before closure of the atrium is an important step in accomplishing successful mitral valve repair. ...
Hata Toshiyuki T Department of Perinatology and Gynecology, Kagawa University Graduate School of Medicine, Miki, Japan. Electronic address: - - 2014
The investigators present their experience with normal fetal cardiac structures and congenital heart anomalies reconstructed using 4-dimensional color Doppler with glass-body rendering mode and spatiotemporal image correlation. Two normal fetuses and 6 fetuses with congenital heart anomalies (1 case each of ventricular septal defect, Ebstein's anomaly, hypoplastic left heart syndrome, and ductus ...
Pellegrino Vincent V aDepartment of Intensive Care and Hyperbaric Medicine, The Alfred Hospital bDivision of Clinical Sciences and Department of Surgery, Central Clinical School, Monash University cSchool of Public Health, Department of Epidemiology and Preventive Medicine, Monash University dAustralian and New Zealand Intensive Care Society Research Centre, Melbourne, - - 2014
To examine the utility and technical challenges of applying veno-arterial extracorporeal membrane oxygenation for acute cardiovascular failure in adults with acute and chronic causes of heart failure. The role of mechanical circulatory support in acute cardiovascular continues to evolve as technology and clinical experience develop. There is increasing interest in ...
Lam John C JC John C Lam, Michael Giuffre, Kimberley A Myers, Department of Pediatrics, University of Calgary, Alberta Children's Hospital, Calgary, Alberta T3B 6A8, - - 2014
Anomalous left coronary artery from the pulmonary artery (ALCAPA) is most commonly diagnosed within the first year of life with congestive heart failure symptomatology reflecting left ventricle (LV) dysfunction. The late diagnosis of ALCAPA is presented in a 5-year-old without significant LV dysfunction, mild LV dilatation and only mild mitral ...
Matsushita Kunihiro K Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland; - - 2014
Whether inclusion of the coronary artery calcium score improves cardiovascular risk prediction in individuals with CKD, a population with unique calcium-phosphate homeostasis, is unknown. Among 6553 participants ages 45-84 years without prior cardiovascular disease in the Multi-Ethnic Study of Atherosclerosis, coronary artery calcium score was assessed for cardiovascular risk prediction ...
Nagaoka Ryo R Department of Biomedical Imaging, Graduate School of Biomedical Engineering, Tohoku University, 6-6-05 Aramaki Aza Aoba, Aobaku, Sendai 980-8579, Japan. Electronic address: - - 2014
Pulse-wave velocity (PWV) is an important index for diagnosing cardiovascular diseases. The pulse wave is volumetric change induced by heartbeat or inflowing blood, and significantly depends on the propagating path and stiffness of the artery. In this study, PWV of the propagating wave was visualized using spatial compound imaging with ...
Yukawa Satomi S Osaka City Public Health Office, Abeno-ku, Osaka, - - 2014
A 36-year-old man presented with acute cerebral infarction in the right frontal lobe associated with right internal carotid artery dissection (CAD). Enhanced computed tomography revealed right greater horn of the hyoid bone in close proximity to the right internal carotid artery (ICA). It was speculated that mechanical compression of the ...
Derk Gwendolyn G Ahmanson/UCLA Adult Congenital Heart Disease Center, UCLA Division of Cardiology, United States; UCLA Cardiothoracic Surgery Department, United States. Electronic address: - - 2014
Currently available ventricular assist devices are designed primarily for use in patients with left sided heart failure. This study evaluated the efficacy of the Jarvik 2000 ventricular assist device (VAD) as a pulmonary pump to power a Fontan circuit in a large animal model. Without the use of cardiopulmonary bypass, ...
Lee Chee-Hoon CH Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of - - 2014
Retroesophageal aortic arch, in which the aortic arch crosses the midline behind the esophagus to the contralateral side, is a rare form of vascular anomaly. The complete form may cause symptoms by compressing the esophagus or the trachea and need a surgical intervention. We report a rare case of a ...
Baig Shoukat Ali - - 2014
Double outlet right ventricle (DORV) is characterised by arousal of the aorta and the pulmonary vessel from the right ventricle, and is always accompanied by a ventricular septal defect (VSD). Our patient, a twenty days-old female child, presented to the Paediatrics Unit I of Civil Hospital, Karachi, with complaints of ...
Ryu C-W CW From the Departments of Radiology (C.-W.R., G.-H.J.) and Neurosurgery (H.S.S.), Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea. - - 2014
High-resolution MR imaging can depict intracranial arterial atherosclerotic plaques. Our aim was to evaluate the relationship between the degree of enhancement of MCA plaques on contrast-enhanced high-resolution MR imaging and ischemic stroke and stenosis severity. This study enrolled 36 patients diagnosed with moderate-to-severe atherosclerotic MCA stenosis. A contrast-enhanced T1-weighted volume ...
Boddu S R SR From the Departments of Radiology and Imaging Sciences (S.R.B., F.C.T., S.D., J.E.D., A.M.S.) and Neurological Surgery (F.C.T., J.E.D.), Emory University School of Medicine, Atlanta, Georgia. - - 2014
Endovascular reconstruction and flow diversion by using the Pipeline Embolization Device is an effective treatment for complex cerebral aneurysms. Accurate noninvasive alternatives to DSA for follow-up after Pipeline Embolization Device treatment are desirable. This study evaluated the accuracy of contrast-enhanced time-resolved MRA for this purpose, hypothesizing that contrast-enhanced time-resolved MRA ...
Ziadinov Edem E Division of Cardiothoracic Surgery, Sultan Qaboos University Hospital, Muscat, Sultanate - - 2014
The risk of thrombosis is high in patients with essential thrombocythemia. Special precaution needed for those patients who will undergo Coronary artery bypass grafting. We are reporting a 62 years old patient with ischemic heart disease who was found to have essential thrombocythemia. This report explains the preoperative management and ...
Patel Bhavin - - 2014
Pulmonary arterial hypertension (PAH) is a group of disorders characterized by a progressive increase in pulmonary vascular resistance leading to right heart failure and premature death. We present an unusual case of PAH diagnosed initially as Idiopathic PAH (IPAH) after secondary causes were excluded which was successfully managed for a ...
Ajami Gholamhossein - - 2014
Endothelin-1 is a potent endogenous vasoconstrictor and an important remodeling factor in the pathogenesis of pulmonary arterial hypertension (PAH). Bosentan, a nonselective and active dual endothelin receptor antagonist, is used as a vasodilator in treatment of such patients. This study aimed to evaluate acute response to a single oral dose ...
Shi Yi Y Center of Molecular Cardiology, University of Zurich, Zurich, Switzerland; Zurich Center for Integrative Human Physiology (ZHIP), University of Zurich, Zurich, Switzerland; Biomedical Research Center, Zhongshan Hospital, Fudan University, Shanghai, - - 2014
Aging is an independent risk factor for cardiovascular and cerebrovascular disease. To date, little is known about the mechanisms of aging of cerebral arteries and whether the aging gene p66(Shc) is implicated in it. The present study was designed to assess age-induced vascular dysfunction in cerebral and systemic arteries of ...
Eikermann-Haerter Katharina K Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, - - 2014
Migraine increases the risk of stroke, particularly in young and otherwise healthy adults. Being the most frequent neurological condition, migraine prevalence is on a par with that of other common stroke risk factors, such as diabetes or hypertension. Several patterns of association have emerged: (1) migraine and stroke share a ...
Zink Jill N JN East Carolina University, Department of Cardiovascular Sciences, Greenville, North - - 2014
A 44-year-old man with a type A dissection repair 5 years earlier presented with progressive enlargement of the residual arch and thoracic aorta. Flow into the false lumen from the distal aortic suture line was evident on contrast-enhanced computed tomography. Through a redo hemisternotomy, the false lumen was accessed directly. ...
Tobochnik Steven D SD *Departments of Neurology, †Surgery, and ‡Anesthesiology, Temple University School of Medicine, Philadelphia, Pennsylvania, - - 2014
Intraoperative EEG monitoring is increasingly used during aortic arch procedures for early detection of acute neurologic dysfunction. In those procedures involving cardiopulmonary bypass, increased neuroprotection may be gained by using hypothermic circulatory arrest and selective cerebral perfusion. Several techniques for cerebral perfusion exist; yet no studies have noted distinct EEG ...
Roganović Jelena - - 2014
Atherosclerotic-occlusive changes could be observed in orofacial branches of the external carotid artery. Atherosclerosis-induced ischemia caused alteration in production and release of endothelial factors. The aim of this study was to investigate the influence of carotid artery occlusion (10, 30 and 60 min) on vascular effects of norepinephrine (NOR) and ...
Shah Ashish A University hospital of Wales, Cardiff, CF14 4XW, UK. Electronic address: - - 2014
Ascending aortic dissection is a life threatening surgical emergency and carries high peri-operative mortality. Various biological adhesive materials are commonly used in such a surgery to enhance strengthening of separated layers of aortic wall. Despite of extensive use, embolization of the glue material remains a feared complication. Here we are ...
Shukla P P Department of Pharmaceutical Sciences, North Dakota State University, Fargo, ND 58108, - - 2014
Maternal nutrient restriction and decreased scotophase concentrations of melatonin have been associated with severely compromised pregnancies. We hypothesized that melatonin supplementation in a compromised pregnancy enhances the bradykinin (BK)-induced relaxations of placental arteries thereby ensuring sufficient umbilical blood flow to the developing fetus. Pregnant ewes (n = 31) were fed an adequate ...
Kiuchi Kunihiko K Department of Cardiology, Himeji Cardiovascular Center, Himeji, Hyogo, - - 2014
A 64-year-old man with palpitations was referred to our center for catheter ablation due to perimitral macroreentrant atrial tachycardia (MRT) after a coronary artery bypass graft (CABG) procedure. Two years after the first procedure with a mitral isthmus ablation, a symptomatic MRT recurred. This article is protected by copyright. All ...
Zhou Pei P Department of Ultrasound, Wuhan General Hospital of Guangzhou Military Region, Wuhan, Hubei, - - 2014
We lack noninvasive and effective methods for evaluating origin of pelvic hemorrhage. Contrast-enhanced ultrasound (CEUS) may be a prospective method. We aimed to investigate the diagnostic value of CEUS on external iliac artery (EIA) bleeding in rabbits. Fourteen rabbits were evenly divided into small- and big-crevasse groups. EIAs of rabbits ...
Malayeri Ashkan A AA Russell H. Morgan Department of Radiology, Johns Hopkins Hospital, Baltimore, MD, - - 2014
This study aims to correlate coronary artery enhancement levels with quality of vessel visualization and calcified plaque visualization using a 128-slice dual-source CT (DSCT) scanner. Coronary CT angiography exams from 52 patients, mean age of 55 years (range, 22-90) and mean weight of 184 lbs (range, 120-320 lbs), were reviewed retrospectively. Contrast infusion ...
Zhang Guoming G MS, Department of Ultrasound, or Hong Shen, MS, Department of Cardiology, General Hospital of Jinan Military Command, 250031 Jinan, China. - - 2014
Objectives- The purpose of this study was to show the contrast-enhanced sonographic features of various levels of renal artery rupture and to validate the therapeutic effects of percutaneous 915-MHz microwave ablation compared to hemostatic drug injection (batroxobin) using an in vivo canine renal artery injury model. Methods- Three renal artery ...
Su I-Chang IC Division of Neuroradiology, Department of Medical Imaging, Toronto Western Hospital, 399 Bathurst St., 3 McLaughlin Wing, Room #425, Toronto, ON, M5T 2S8, - - 2014
Perianeurysmal edema and aneurysm wall enhancement are previously described phenomenon after coil embolization attributed to inflammatory reaction. We aimed to demonstrate the prevalence and natural course of these phenomena in unruptured aneurysms after endovascular treatment and to identify factors that contributed to their development. We performed a retrospective analysis of ...
Ohno Yoshiharu Y 1 Advanced Biomedical Imaging Research Center, Kobe University Graduate School of Medicine, Kobe, - - 2014
OBJECTIVE. The purpose of this article is to prospectively and directly compare the capabilities of non-contrast-enhanced MR angiography (MRA), 4D contrast-enhanced MRA, and contrast-enhanced MDCT for assessing pulmonary vasculature in patients with non-small cell lung cancer (NSCLC) before surgical treatment. SUBJECTS AND METHODS. A total of 77 consecutive patients (41 ...
1 2 3 4 5 6 7 8 9 10 >