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Results 301 - 350 of 1308
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Ishii Yoichiro - - 2012
Objectives: To investigate the 'I-shaped' sign as a novel echocardiographic marker for antenatal diagnosis of d-transposition of the great arteries (dTGA) in routine cardiac examination, and to compare its prevalence in dTGA, other congenital heart diseases (CHDs), and normal structural hearts. Methods: This retrospective evaluation involved 1,134 pregnant women undergoing ...
Stein Andreas - - 2012
This report presents a case of pulmonary air embolism during implantation of a cardiac resynchronisation therapy system. For left ventricular pacing the thinnest available coronary sinus lead was used in association with a standard subclavian vein introducer sheath. It is hypothesised that the difference of size between the small lead ...
Duan Bin - - 2012
Heart valve disease is a serious and growing public health problem for which prosthetic replacement is most commonly indicated. Current prosthetic devices are inadequate for younger adults and growing children. Tissue engineered living aortic valve conduits have potential for remodeling, regeneration, and growth, but fabricating natural anatomical complexity with cellular ...
Papangeli Irinna I UCL-ICH, 30 Guilford St, London WC1N 1EH, - - 2013
Growth and remodeling of the pharyngeal arch arteries are vital for the development of a mature great vessel system. Dysmorphogenesis of the fourth arch arteries can result in interruption of the aortic arch type B, typically found in DiGeorge syndrome. Tbx1 haploinsufficient embryos, which model DiGeorge syndrome, display fourth arch ...
Leclère Franck Marie - - 2012
OBJECTIVES/HYPOTHESIS: The use of the sternocleidomastoid (SCM) flap for reconstructive surgery of the mandible seems to be a practicable although underestimated option. STUDY DESIGN: This study was conducted on 15 cadavers that had been neoprene-latex injected in the middle and inferior pedicles. METHODS: Lengths of the SCM were equally divided ...
Hubbell Margaret C MC Divisions of Physiology, Pharmacology, and Biochemistry, Center for Perinatal Biology, Loma Linda University Schoolof Medicine, Loma Linda, California 92350, - - 2012
Chronic hypoxia increases vascular endothelial growth factor (VEGF) and thereby promotes angiogenesis. The present study explores the hypothesis that hypoxic increases in VEGF also remodel artery wall structure and contractility through phenotypic transformation of smooth muscle. Pregnant and nonpregnant ewes were maintained at sea level (normoxia) or 3,820 m (hypoxia) ...
Arraut Amaryllis Maria Elpida - - 2012
Objective: We tested the hypothesis that fetal pulmonary arterial circulation reacts to changes in fetal oxygenation status at near-term gestation. Study Design: A total of 20 rhesus macaques underwent fetal Doppler ultrasonography at near-term gestation. Right pulmonary artery (RPA), umbilical artery (UA), ductus arteriosus (DA), and ductus venosus (DV) blood ...
StefaƄczyk Ludomir - - 2012
Osteolysis of vertebrae due to inflammatory aortic aneurysm is rarely observed. However, it is estimated that up to 10 % of infectious aneurysms coexist with bone tissue destruction, most commonly the vertebrae. Inflammatory aneurysms with no identified infection factor, along with infiltration of adjacent muscle and in particular extensive destruction of ...
Ayabakan Canan - - 2012
Crisscross heart is a rare congenital cardiac anomaly in which systemic and pulmonary venous streams cross without mixing at atrioventricular level. We report a case of crisscross heart with tricuspid atresia, double outlet right ventricle, and pulmonary stenosis, which was diagnosed prenatally.
Wang Yutang - - 2012
Abdominal aortic aneurysms (AAAs) are common problems in aged people which can be associated with severe complications including aortic rupture and death. Transforming growth factor-β (TGFβ) has been implicated as causative in the development of thoracic aortic aneurysms (TAAs). In contrast, current evidence suggests TGFβ inhibits AAA development. Polymorphisms in ...
John Lindsay C H - - 2012
In coronary artery bypass surgery the most commonly used conduit for grafting the left anterior descending artery is the left internal mammary artery. In harvesting the internal mammary artery the parietal pleura is frequently breached. This is associated with increased post operative complications. The diaphragm is not in contact with ...
Fathala Ahmed - - 2012
Ruptured sinus of Valsalva aneurysm is an uncommon condition with variable manifestation that results in aortocardiac shunt. The presentation may range from an asymptomatic murmur to cardiogenic shock. The initial diagnosis is established or suspected by two-dimensional echocardiography and colour flow Doppler. Transesophageal echocardiography is especially helpful in delineating the ...
Kim Da-Hye - - 2012
ABSTRACT: The purpose of the present study was to provide precise data regarding the branching pattern of the submental artery, which should be considered in occasions of bleeding during various dentoalveolar surgical procedures of the mandible, such as implant surgeries, tori removal, and iatrogenic injuries.Twenty-six embalmed adult hemifaces from Korean ...
Kim Yeon-Hwa - - 2012
Passage failure of guidewire is still remained most common reason for percutaneous coronary intervention (PCI) failure in chronic total occlusion (CTO). Intravascular ultrasound study (IVUS) and cardiac CT angiography can help identify features that most influence current success rates of PCI. We report our experience using the reverse controlled antegrade ...
George Peter M PM Cardiothoracic Pharmacology, National Heart and Lung Institute, Imperial College London, Dovehouse Street, London, United - - 2012
Pulmonary arterial hypertension (PAH) is a rare but fatal condition in which raised pulmonary vascular resistance leads to right heart failure and death. Endothelin-1 is a potent endogenous vasoconstrictor, which is considered to be central to many of the events that lead to PAH, and is an important therapeutic target ...
Hwang Kyu Tae - - 2012
The thoracodorsal artery perforator flap is a versatile flap for the reconstruction of various soft tissue defects. Several anatomical variations of thoracodorsal artery have been described and an "accessory thoracodorsal artery" which has a separate and direct origin from the axillary artery has been reported. In this report, we describe ...
Jappar Ignasius Aditya - - 2012
Anomalous origin and course of coronary arteries (AOCA) is a potential cause of sudden cardiac death. Coronary CT angiography (coronary CTA) enables detailed 3-dimensional visualization of AOCA. Data are limited about the diagnostic performance of noncontrast cardiac CT obtained during coronary calcium scan for detecting AOCA. We assessed the feasibility ...
Li Hui - - 2012
PURPOSE: The authors investigated the effectiveness of high-resolution magnetic resonance angiography (MRA) using a single-artery highlighting technique for the accurate diagnosis of intracranial aneurysms at 3.0 T in a large cohort of patients with suspected intracranial aneurysms against the current gold standard, i.e. cerebral angiography. METHODS: A total of 307 ...
Ting Wei-Yi - - 2012
An 8-year-old girl with Williams syndrome was found to have a heart murmur. Cardiac CT demonstrated a Valsalva sinus aneurysm (VSA) of the non-coronary cuspid, with left atrium (LA) indentation, resembling the face of Cyclops on a coronal reformatted image. Williams syndrome is related to some congenital disorders with interruption ...
Ahmadi Saeedeh Khajeh - - 2012
Vermilion lower lip cross flap is indicated for reconstruction of upper lip in residual deformities following trauma or cleft lip. Flap survival depends on incorporation of inferior labial artery in pedicle. This article reports measurement of vertical distance between inferior labial artery and vermilion surface under light microscope in midline ...
Waniewska Joanna - - 2012
Intra-atrial course of the right coronary artery is a rare anomaly. The recognition of this entity is crucial to avoid potential hazards related to vessel injury during interventional procedures such as right heart catheterization, pacemaker implantation, invasive electrophysiology testing or atrial flutter ablation. We present a case of a 62-year ...
Serafin Zbigniew - - 2012
The use of contrast media and the time-resolved imaging of contrast kinetics (TRICKS) technique have some theoretical advantages over time-of-flight magnetic resonance angiography (TOF-MRA) in the follow-up of intracranial aneurysms after endovascular treatment. We prospectively compared the diagnostic performance of TRICKS and TOF-MRA with digital subtracted angiography (DSA) in the ...
Dahle Gry - - 2012
A 71-year-old woman with severe congestive heart failure and failed mitral valve repair was referred for surgery. Because of her low ejection fraction, a valve-in-ring procedure was suggested. There was a great difference in the given size for the 34-mm Carpentier-Edwards-Physio-Ring and the biggest available transcatheter valve of 29 mm ...
Wen Chen - - 2012
BACKGROUND: Degenerative aortic valve calcification is an important factor in aortic stenosis and incompetence, but the pathogenesis is unclear. The purpose of the present study was to observe the expression of p50 in degenerative calcified aortic valves, which may provide a potential therapeutic target. METHODS: Fifteen cases of degenerative calcified ...
Koplay Mustafa - - 2012
Hemitruncus arteriosus (HA) is an uncommon congenital cardiac malformation in which one pulmonary artery branch originates from the ascending aorta. A 2-month-old male was referred to our hospital for failure to thrive, cyanosis, and tachypnea. A chest radiograph demonstrated moderate cardiomegaly and peribronchial thickening. Echocardiography demonstrated right atrial and ventricular ...
Fortes Felipe S G - - 2012
OBJECTIVES/HYPOTHESIS: The aim of this work was to define the anatomical landmarks, limitations, and difficulties of obtaining internal carotid artery (ICA) exposure via endonasal endoscopic approaches (EEA). STUDY DESIGN: Cadaveric descriptive study. METHODS: The ICA was dissected via EEA in 10 cadaveric specimens (20 sides) prepared with intravascular injections of ...
Delhaye Cédric - - 2012
Corevalve dislocation has been reported to significantly increase the perioperative risk for severe complications and poor outcomes. We describe the case of an 87-year-old man who was referred to our center for transcatheter aortic valve implantation and who experienced an original complication after Corevalve dislocation by subclavian approach. Indeed, during ...
Caceres Manuel - - 2012
A primary predictor for success with catheter-based treatment of structural heart disease is having safe remote access to the heart. The devices for transcatheter aortic valve replacement require large-bore access, but many patients with severe aortic stenosis also have iliofemoral disease or relative contraindications to transapical access. In such situations, ...
Valeske Klaus - - 2012
Objective Interrupted aortic arch (IAA) combined with an aberrant right subclavian artery (ARSA) is frequently associated with a hypoplastic ascending aorta. Neonatal surgical therapy carries a high risk particularly for aortic arch obstructions during the further follow-up. Methods We performed a modified reconstruction of the aortic arch utilizing the ARSA as a ...
Franco Annalisa - - 2012
Transcatheter aortic valve implantation (TAVI) is an emergent technique for high-risk patients with aortic stenosis. TAVI poses significant challenges about its management because of the procedure itself and the population who undergo the implantation. Two devices are currently available and marketed in Europe and several other technologies are being developed. ...
Aljubran Salman A - - 2012
[This corrects the article on p. e37712 in vol. 7.].
Barnard James - - 2012
We report here the first case, to our knowledge, of pulmonary valve replacement being performed via a left thoracotomy approach in a patient with pectus excavatum who had 3 previous sternotomies. The merit of this approach and its feasibility are discussed.
Brudnicki Witold - - 2012
Research into the pattern and variation of brain arteries in wild rabbit involved 43 brains. The main source of blood supply to the brain in rabbit are vertebral arteries and the basilar artery, formed as a result of their anastomosis, as well as internal carotid arteries the branches of which ...
Miura Hiroshi - - 2012
Congenital systemic-pulmonary collateral vein (i.e. levoatriocardinal vein) is an uncommon cardiac anomaly. We report a rare case of congenital systemic-pulmonary collateral vein incidentally noticed after accidental migration of a central venous catheter. Cardiac CT showed the vertical vein connected to the left upper pulmonary vein (LUPV) and another thin abnormal ...
Lazar Harold L - - 2012
Hyperglycemia, which occurs in the perioperative period during cardiac surgery, has been shown to be associated with increased morbidity and mortality. The management of perioperative hyperglycemia during coronary artery bypass graft surgery and all cardiac surgical procedures has been the focus of intensive study in recent years. This report will ...
Hofmann Nina P - - 2012
Annuloaortic ectasia is a relatively rare diagnosis. Herein, we report an unusual case of an annuloaortic ectasia with asymmetric dilatation of the right coronary bulb mimicking a membranous ventricular septal defect (VSD) with Eisenmenger reaction by transthoracic echocardiography. Aortic angiography showed a dilated aortic root and moderate aortic regurgitation. Right ...
Takimura Hideyuki - - 2012
Percutaneous coronary intervention was performed for chronic total occlusion (CTO) of the right coronary artery (RCA) in a 55-year-old man. CT coronary angiography (CTCA) with a 64-slice scanner showed a large calcified plaque at the entrance to the CTO. A stent that had been implanted at the RCA ostium 10 ...
Shin Yoo Seob - - 2012
We hypothesized that comprehensive neck dissection could be achieved via a gasless transaxillary approach using a robotic system. We intended to evaluate the accessibility of level I, IIB and VA nodes with transaxillary robot-assisted neck dissection of four cadavers. Transaxillary robotic neck dissection was performed in four cadavers through a ...
Kimura Mitsutoshi - - 2012
An 1186-g infant was born at 27 weeks' gestation. Echocardiography showed critical aortic stenosis, a dilated left ventricle (left ventricular end-diastolic diameter, 16.9 mm), and poor left ventricular function (left ventricular ejection fraction, 8.5%). Due to duct-dependent systemic circulation, the patient underwent a hybrid intervention consisting of bilateral pulmonary artery banding ...
Casal Diogo - - 2012
Variations in the major arteries of the upper limb are estimated to be present in up to one fifth of people, and may have significant clinical implications. During routine cadaveric dissection of a 69-year-old fresh female cadaver, a superficial brachioulnar artery with an aberrant path was found bilaterally. The superficial ...
Yu Min - - 2012
Bcr and Abr are GTPase activating proteins that specifically downregulate activity of the small GTPase Rac in restricted cell types in vivo. Rac1 is expressed in smooth muscle cells, a critical cell type involved in the pathogenesis of pulmonary hypertension. The molecular mechanisms that underlie hypoxia-associated pulmonary hypertension are not ...
Zamani Hassan H Non-Communicable Pediatric Diseases Research Center, Babol University of Medical Sciences, Babol, - - 2012
Central venous catheters (CVCs) have been used widely in clinics. These catheters are also recommended for children and infants receiving chemotherapy and total parenteral nutrition (TPN) and etc. In this paper, we present migrated fractured control line of the heart of a girl. A 2.5 year old girl with migrated ...
Sasaki Tetsuo - - 2011
A new approach in carotid endarterectomy (CEA) was developed for high carotid artery lesions. With the authors' use of the posterior cervical triangle approach, 20 patients with a high carotid artery lesion were successfully treated with CEA. Accessory nerve palsy in 1 patient and hoarseness in 4 patients were encountered ...
Padalino David J - - 2011
Rapid revascularization of tandem extracranial and intracranial acute thromboembolic occlusions can be challenging and can delay restoration of blood flow to the cerebral circulation. Taking advantage of collateral pathways in the circle of Willis for thrombectomy can reduce the occlusion-to-revascularization time significantly, thereby protecting brain tissue from ischemic injury. The ...
Jazaeri Omid - - 2011
Aortic dissections remain complicated management issues both in the acute setting and in the chronic setting. Acute problems revolve around malperfusion syndromes or rupture, whereas chronic issues progress from the development of aneurysms in the residual dissected aorta. Endovascular approaches to dealing with these difficult situations are being used more ...
Pade O - - 2011
Purpose: Visualization of the basilar artery (BA) by transcranial color-coded duplex sonography (TCCD) can be challenging. The detection of stenosis or occlusion of the BA often has to rely on indirect signs like a highly pulsatile flow in the vertebral arteries. In case of a distal BA occlusion, however, the ...
Egred Mohaned - - 2011
The experience with a new approach of using combined debulking technique for treating heavily calcified coronary artery lesions with both LASER and high speed rotational atherectomy, which is being labeled as RASER PCI, is described. The RASER PCI approach has been used in three different patients with severely calcified, undilatable ...
Ringewald Jeremy M - - 2011
The hybrid approach to the treatment of patients with hypoplastic left heart syndrome most commonly includes transcatheter placement of a stent in the arterial duct and surgical placement of bands on the branch pulmonary arteries via median sternotomy. This manuscript will review the concept of hybrid palliation and discuss topics ...
You-Xin Ji - - 2011
BRAIN ischemia stroke is a devastating disease, with more than 10% stroke patients either severely disabled or dead. Although rodent fil- ament middle cerebral artery occlusion (MCAO) model can mimic human brain ischemic stroke well, its wide use was restricted by difficulty in surgery, especially in ligating pterygopalatine artery (PPA).
Vijayaraghavan Gopal - - 2011
Imaging-guided parenchymal liver biopsy for diffuse liver disease is increasingly performed via an epigastric route from the left lobe, as opposed to the more traditional intercostal right-sided approach. We conducted a retrospective analysis of all liver biopsies performed at our department for 3 years (July 2007 through June 2010). A ...
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