Search Results
Results 301 - 350 of 662
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Ming-Li Li - - 2012
Objective To summarize the value and limitations of magnetic resonance (MR) plaque imaging for intracranial arteries. Method The data of MR plaque imaging of intracranial arteries in 422 patients performed in Peking Union Medical College Hospital from December 2006 to September 2010 were analyzed retrospectively. Results The success rate for ...
Rose Adam J - - 2012
Performance variation is easy to find - all one needs to do is to look for it. We have long known that some nations achieve better control of hypertension than others,(1) some hospitals have shorter door-to-balloon times than others,(2) and some cardiac surgeons have better risk-adjusted mortality after coronary artery ...
Kin Keiwa - - 2012
Atherosclerotic abdominal aortic aneurysm (AAA) is a progressive, gradual aortic rupture that results in death in the absence of surgical intervention. Key factors that regulate initiation and progression of AAA are unknown, making targeted interventions difficult. MicroRNAs play a fundamental role in atherosclerosis, and atherosclerotic coronary artery disease is characterized ...
Ponde Vrushali C - - 2012
Neonatal upper limb ischemia due to accidental arterial damage remains a major concern, which can lead to devastating complications if untreated. The primary objective of this case report is to emphasize the role of continuous infraclavicular brachial plexus block, the issues related with block performance in an ischemic hand, and ...
Shariat Masoud - - 2012
A seven-month-old girl with partial anomalous pulmonary venous connection and atrial septal defect underwent cardiac magnetic resonance for further evaluation. Anatomical images and flow quantification confirmed the diagnosis and demonstrated a commitment of the superior vena cava to the left atrium, resulting in a right-to-left shunt and pulmonary/systemic blood flow ...
Canton Gador - - 2012
Arterial distensibility is a marker that can measure vessel wall functional and structural changes resulting from atherosclerosis with applications including estimation of mechanical properties of the wall. We sought to assess the feasibility of using magnetic resonance imaging (MRI) to include wall distensibility in the characterization of atherosclerotic carotid arteries ...
Colli J L - - 2012
PURPOSE: To investigate renal ischemia injury during renal hilar clamping (artery alone versus clamping artery/vein together) by evaluating ischemic damage via two different modalities in animal models-near-infrared tissue oximetry and 8-isoprostane levels. METHODS: Near-infrared renal oximetry measurements of Yorkshire swines (n = 4; 8 renal units) subject to hilar clamping were obtained ...
Nambi G I GI Plastic & Reconstructive Microvascular Services, Comprehensive Cancer Center, Kovai Medical Center & Hospital, Avinashi road, Coimbatore, Tamilnadu India - - 2013
Occult volar wrist ganglion originating from radioscaphoid interval and having adherence to flexor carpi radialis tendon [Fcr] and radial artery is an uncommon occurrence. We report such a case which was occult and asymptomatic during pre-operative assessment and presented as an incidentaloma during radial artery forearm free flap harvest for ...
Gul Mehmet - - 2012
We report a case with a very rare complication of transcatheter aortic valve implantation. Rupture of the NovaFlex balloon (Edwards transfemoral balloon catheter) occurred during the inflation of the Edwards SAPIEN valve, resulting in dissection of the right common and external iliac arteries during withdrawal of the balloon catheter. The ...
Xiu Jiancheng - - 2012
OBJECTIVE: To assess the geometrical changes in the distal left main coronary artery (LMCA), left anterior descending (LAD), and left circumflex (LCX) that occur after a distal LMCA lesion is treated using a onestent cross-over strategy. BACKGROUND: Morphological changes after stent implantation into distal LMCA lesions are not fully understood. ...
Ersboell Mads - - 2012
BACKGROUND: Free pulmonary regurgitation (PR) after surgical correction of Tetralogy of Fallot (ToF) with transannular patching can lead to irreversible right ventricular (RV) failure. However, the optimal timing of valve replacement is still debated. METHODS AND RESULTS: Thirty six pigs were included in the study. Twenty one pigs had a ...
Miura Takashi - - 2012
An 82-year-old male presented to our institution with sudden onset pain in the bilateral lower extremities. Emergent angiography showed thrombus in the right common femoral and left popliteal arteries. Thromboembolectomy was performed using a Fogarty-balloon catheter through the bilateral femoral arteriotomy. A few hours later, he complained of pain in ...
Pearlman Ronald C - - 2012
An 83-year-old male presented with bilateral carotid stenosis. Stenosis on the left side was reported to be greater than 70%. A left carotid endarterectomy was undertaken to increase the lumen size and remove the atherosclerotic plaque. During Surgery, the hyoid bone was observed to have a 2-cm calcified horn capable ...
Ahmad A - - 2012
A 75-year-old woman developed an arteriovenous fistula (AVF) between the common femoral artery and common femoral vein following radiofrequency ablation (RFA) of left long saphenous vein. Failed coil embolization of the AVF was followed by successful surgical ligation. Awareness of the aetiology of this uncommon complication of RFA and its ...
Forfia Paul R - - 2012
In the context of pulmonary arterial hypertension (PAH), echocardiographic assessment of right ventricular (RV) function is key to determining disease severity and prognosis. Using Doppler echocardiography (ECHO) there are numerous ways that RV function can be measured, either directly or indirectly, to capture the triad of changes in RV geometry, ...
Saitoh Takeji - - 2012
Common carotid artery (CCA) injury is a serious complication of internal jugular vein (IJV) cannulation. To minimize unintentional CCA puncture, the anatomic relationship between the IJV and the CCA and the size of IJV were compared under different head positions. Ultrasound analyses of the IJV and the CCA were performed ...
Kawano Hiroyuki - - 2012
A persistent primitive hypoglossal artery (PPHA) is a relatively rare vascular anomaly of a persistent carotid-basilar anastomosis. A 76-year-old man with severe dilated cardiomyopathy suddenly lost consciousness. A magnetic resonance imaging scan of his brain revealed extensive infarction in the carotid and vertebrobasilar territories. Magnetic resonance angiography revealed a PPHA ...
Uemura Mamoru - - 2012
Subjects with persistent left superior vena cava were classified on the basis of the presence and thickness of both superior venae cavae, the anastomotic ramus between the superior venae cavae (anastomotic ramus), and the presence of both azygos veins. Among subjects with persistent left superior vena cava, the percentage of ...
Gursoy Mete - - 2012
Abstract  A 10-year-old male was admitted to our institution with complaints of mild cyanosis and dyspnea. Transthoracic echocardiography and angiography revealed a right superior vena cava (SVC) draining into the left atrium. At the time of surgery, the right SVC was connected to the right atrium. (J Card Surg 2012;27:623-625).
Takasawa Chiaki - - 2012
To examine the properties of N-butyl cyanoacrylate (NBCA) and iodized oil (lipiodol [Lip]) in vitro and in vivo for safe and effective embolization. Viscosity, polymerization time, and diffusing capacity were evaluated according to the NBCA/Lip ratio in vitro. Additionally, the effect of the NBCA/Lip ratio on arterial embolization was evaluated ...
Araki Takuji - - 2012
Balloon-occluded retrograde transvenous obliteration of gastric varices in the absence of a gastrorenal shunts can still be performed through unconventional venous routes, such as the left inferior phrenic (ascending portion or transverse portion), pericardial, and azygous-hemiazygous veins. This requires detailed knowledge of venous anatomy, impeccable preprocedural imaging for planning, and ...
Siegel Robert J - - 2012
Transcatheter aortic valve implantation and transcatheter mitral valve repair (MitraClip) procedures have been performed worldwide. In this paper, we review the use of two-dimensional and three-dimensional transesophageal echo for guiding transcatheter aortic valve replacement and mitral valve repair.
Takeshita T - - 2012
Traumatic pseudoaneurysms of the internal maxillary artery (IMA) are rare and difficult to treat. A 58-year-old man with a traumatic pseudoaneurysm of the IMA presented with intractable nasal and oral hemorrhage during dual antiplatelet therapy. Transcatheter artery embolization with N-butyl cyanoacrylate (NBCA) completely occluded the pseudoaneurysm. Transcatheter artery embolization with ...
Kim Eun Key - - 2012
ABSTRACT: Successful replantation of the avulsed scalp has been reported by a number of authors, and there seems almost no doubt that each single superficial temporal artery and vein is enough to feed and drain the whole scalp if the amputee is not severely torn. As the venous problem is ...
Hofmann Kurt J - - 2012
Digital neural loops were identified over a century ago and are common findings in cadaveric studies of palmar and digital anatomy. Symptomatic digital neural loops are rare. We report a case of hemidigital anesthesia resulting from a proper digital nerve neural loop penetrated by its common digital artery in the ...
Duan Y Y Medical School of Shandong University, Shandong Medical Imaging Research Institute, Jinan, - - 2012
The aim of this study was to prospectively evaluate the initial application and value of prospective electrocardiogram (ECG)-triggered dual-source CT coronary angiography (DSCTCA) in the diagnosis of infants and children with coronary artery aneurysms due to Kawasaki disease. 19 children [12 males; mean age 13.47 months, range 3 months to ...
Izumi Yotaro - - 2012
Here, we report a case of hepatoblastoma metastasis to the left pulmonary artery which was resected by left lingular segmentectomy plus left lower lobectomy in 5-year-old girl. She had previously undertaken right upper lobectomy and multiple lung partial resections on bilateral lungs as hepatoblastoma metastatectomies. Prediction of postoperative pulmonary function ...
Raymond J - - 2012
BACKGROUND AND PURPOSE:Endovascular treatment of wide-neck bifurcation aneurysms often results in incomplete occlusion or aneurysm recurrence. The goals of this study were to compare results of coil embolization with or without the assistance of self-expandable stents and to examine how stents may influence neointima formation.MATERIALS AND METHODS:Wide-neck bifurcation aneurysms were ...
Schneiders J J - - 2012
BACKGROUND AND PURPOSE:3DRA is considered the reference standard for the assessment of intracranial aneurysm morphology. However, it has been shown that 3DRA may overestimate neck size compared with 2D DSA. The purpose of this study was to determine the impact of neck size overestimation with 3DRA on intra-aneurysmal hemodynamics.MATERIALS AND ...
Logallo N - - 2012
Purpose: Transcranial color-coded sonography (TCCS) and CT-angiography (CTA) are reliable tools for detection of intracranial stenosis. Current ultrasonographic criteria for middle cerebral artery (MCA) stenosis are usually limited to a dichotomized grading (< or ≥ 50 %). As for carotid arteries, continuity equation might provide a more accurate evaluation of ...
Tokunaga Shigehiko - - 2012
Even if the thoracic endovascular aortic repair or open stent grafting technique becomes popular, surgical total arch replacement is still important and will continue to be necessary. Distal anastomosis of total arch replacement is critical in this procedure. This article describes an easy and useful method for using a malleable ...
Schade Anja - - 2012
Pulmonary vein isolation (PVI) is the basis of all ablation techniques for paroxysmal atrial fibrillation. Performing conventional radiofrequency ablation for PVI is time consuming and sometimes challenging when using point-by-point applications to create continuous lesions. Small electrically conducting gaps evolving in the ablation lines may cause recurrences of atrial fibrillation ...
Chalouhi Nohra - - 2012
: Recent reports have shown that stent-assisted coiling (SAC) is associated with lower aneurysm recanalization rates compared to conventional coiling raising questions about the necessity of achieving high packing density (PD) in stented aneurysms. We assess the impact of PD on follow-up obliteration rates of stented aneurysms and attempt to ...
Shima Norihiro - - 2012
The purpose of the present study was to examine the utility of non-invasive brachial-ankle pulse wave velocity measurement in people with spinal cord injury based on the comparison of the data of the compliance of common femoral artery measured by ultrasonography. Five physically active persons with spinal cord injury volunteered ...
Rankin J Scott - - 2012
BACKGROUND: Better understanding of aortic root geometry could improve diagnosis and reconstruction of pathologic aortic valves. In this study, a previous model of hemispheric aortic valve leaflets nested within a cylindrical aorta was refined in humans with normal aortic valves. METHODS: Using 1-mm axial slices, high-resolution computed tomographic angiograms from ...
┼×ahiner Levent - - 2012
Multidetector computed tomography (MDCT) angiography, which is used for native coronary vessels and bypass graft (CABG) imaging is a non-invasive test. Here, we aimed to compare the diagnostic accuracy of 16- and 64-slice MDCT for graft patency and stenosis. A total of 129 consecutive patients with CABG who underwent both ...
Lurie F - - 2012
PURPOSE: The aim of the study is to investigate the relative position of orifices of two valves within the most proximal segments of the great saphenous vein (GSV), and the femoral vein (FV). METHODS: A total of 15 volunteers with no signs or symptoms of venous disease and 13 unaffected ...
Zou Yu - - 2012
OBJECTIVES: The study aimed to evaluate the feasibility of off-pump transapical mitral valve-in-ring implantation and to test the performance of a custom-made self-expandable stent valve, in comparison with the standard SAPIEN valve. METHODS: Acute experiments were performed in five pigs. Animals (mean weight 58.4 ± 7.3 kg) underwent mitral valve annuloplasties under cardiopulmonary ...
Colby Geoffrey P - - 2012
BACKGROUND:: The Pipeline embolization device (PED) is a new endovascular option for wide-necked or fusiform anterior circulation aneurysms that were classically treated by coil embolization with adjunctive use of a stent. However, stent-coiling incurs significant equipment and implant costs. OBJECTIVE:: To determine if procedure costs for PED embolization are more ...
Defrance Carine - - 2012
BACKGROUND: -Accurate quantification of aortic valve stenosis (AVS) is needed for relevant management decisions. However, transthoracic Doppler-echocardiography (TTE) remains inconclusive in a significant number of patients. Previous studies demonstrated the usefulness of phase-contrast cardiovascular magnetic resonance (PC-CMR) in noninvasive AVS evaluation. We hypothesized that semi-automated analysis of aortic hemodynamics from ...
Veselka Josef - - 2012
The aim of this prospective study was to evaluate the diagnostic accuracy of dual-source computed tomography coronary angiography (CTCA) compared to intravascular ultrasound (IVUS) for the detection of restenosis in patients who underwent coronary stenting for bifurcation left main (LM) stenosis. Twenty-four patients underwent percutaneous intervention of the LM and ...
Vanzin José Ricardo - - 2012
The Brazilian public health system determines a quantity of coils allowed to treat a cerebral aneurysm. The goal of this paper was to determine the number of coils necessary to treat an aneurysm based on size. All patients harboring an aneurysm treated by endovascular approach between 1999 and 2003 were ...
Botha Phil - - 2012
The Berlin Heart Excor (BHE) assist device has become our standard mechanical support device for long-term support in children with heart failure. We report two useful surgical modifications for the implantation of the BHE in the pediatric population, improving ease of implantation as well as subsequent surgical procedures at the ...
Clarke James R - - 2012
Giant aneurysm of the left atrial appendage (LAA) is a rare condition typically presenting in adulthood. This case report describes the investigations and surgical management of a giant LAA aneurysm in a neonate, emphasizing the role of echocardiography and cardiovascular magnetic resonance imaging in preoperative evaluation as well as challenges ...
Irie Keiko - - 2012
Hemodynamic factors are thought to play important role in the initiation, growth, and rupture of cerebral aneurysms. However, hemodynamic features in the residual neck of incompletely occluded aneurysms and their influences on recanalization are rarely reported. This study characterized the hemodynamics of incompletely occluded aneurysms that had been confirmed to ...
Tsutsui Shin - - 2012
We herein report an unusual case of invasive thymoma with venous intraluminal extension. The thymoma extended into the superior vena cava, the left brachiocephalic vein, and the proximal portion of the left jugular and subclavian veins intraluminally. It was suggested that the tumor had a discrete intravascular growth via the ...
Pierot L - - 2012
BACKGROUND AND PURPOSE:Our aim was to compare 3D TOF-MRA sequences at 3T and 1.5T in the follow-up of coiled aneurysms. The follow-up of coiled intracranial aneurysms is mandatory to depict potential recanalization. 3D-TOF MRA is an appropriate tool for this purpose.MATERIALS AND METHODS:DSA and 3D TOF-MRA at 1.5T and 3T ...
Dan Hai-Jun - - 2012
Assessment of the properties of blood-vessel walls by ultrasound radiofrequency (RF)-data technology is an innovative technique. We quantitatively evaluated the intima-media thickness (IMT) and arterial elasticity of the common carotid artery (CCA) in asymptomatic subjects with hypertriglyceridemia (HTG) using RF-data technology. Thirty HTG subjects and 30 matched controls were enrolled ...
Hoffman Michelle A - - 2012
Mycotic aneurysms represent less than 1% of all reported aneurysms, most of which occur in adults. We present the case of a 2-year-old boy with Streptococcus pyogenes bacteremia and a recurrent mycotic aneurysm.
Yee S - - 2012
Purpose: In order to determine the optimal prescan delay for CT pulmonary angiography (CTPA), pulmonary circulation time images can be acquired at the anatomical level of main pulmonary artery prior to the main CTPA. The purpose of this abstract is to demonstrate cardiac output can also be calculated from the ...
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