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Maréchaux Sylvestre - - 2011
We report here two cases of patients admitted in our institution for heart failure. The first had been previously diagnosed with severe aortic valve stenosis and was referred for aortic valve replacement. The myocardial and valvular anatomy combined with the Doppler profiles allowed, however, to suggest the diagnosis of a ...
Szatmári Viktor - - 2010
A 4-year-old, male, neutered cat was referred because of recurrent episodes of dyspnea. Physical examination revealed a harsh systolic murmur, with the point of maximal intensity in the left heart base, with an intensity of 4 out of 6. Echocardiographic diagnosis was severe supravalvular pulmonary artery stenosis. A selective right ...
Hountis Panagiotis - - 2010
Isolated bilateral coronary artery ostial stenosis is a rare condition that has been associated with various diseases. We present the case of a 47-year-old male with bilateral coronary ostial stenosis. The patient's history was not significant for systemic diseases. The aorta had prominent signs of aortitis of unknown etiology, possibly ...
Lee Seung-Jae - - 2011
There is increasing evidence for an association between WMH and large-artery atherosclerosis. We evaluated 268 patients with acute ischemic stroke to assess the relationship between intracranial (IC) atherosclerosis and WMH. The patients were classified into three groups according to the location of the stenosis; IC, extracranial (EC), and non-stenosis (NS) ...
Loomba Rohit Seth - - 2010
Aortic stenosis is a condition that is inflicting an increasing number of the elderly in North America and Europe. Current treatment for aortic stenosis is aortic valve replacement. An expanding pool of knowledge regarding the mechanism of aortic stenosis has led to the testing of statins to reduce the progression ...
Boogers Mark J - - 2010
OBJECTIVES: This study sought to demonstrate the feasibility of a dedicated algorithm for automated quantification of stenosis severity on multislice computed tomography in comparison with quantitative coronary angiography (QCA). BACKGROUND: Limited information is available on quantification of coronary stenosis, and previous attempts using semiautomated approaches have been suboptimal. METHODS: In ...
White Jeremy H - - 2010
PURPOSE: To compare the reproducibility of semi-automated vessel analysis software to manual measurement of carotid artery stenosis on computed tomography angiography (CTA). METHODS: Two observers separately analyzed 81 carotid artery CTAs using semi-automated vessel analysis software according to a blinded protocol. The software measured the narrowest stenosis in millimeters (mm), ...
Tuseth Nora - - 2010
BACKGROUND: Some patients with aortic stenosis develop asymmetric septal hypertrophy (ASH) that may influence the surgical approach and is associated with higher perioperative morbidity. The aim of this analysis was to characterize further this subtype of aortic stenosis patients. METHODS: Baseline data in 1719 patients with asymptomatic aortic stenosis, participating ...
Oka Norihiko - - 2010
We describe a modified extended 3-patch surgical procedure to relieve supravalvular aortic stenosis. This simple technique provides effective and lasting enlargement of the ascending aorta in patients with severe congenital supravalvular aortic stenosis.
Layland Jamie J - - 2010
As the population ages, the prevalence of aortic stenosis is increasing. There is an unmet clinical need for the treatment of aortic stenosis in high-risk patients, who are often older, frail and have multiple comorbidities. Percutaneous aortic valve replacement (PAVR) is a new and innovative technique for the management of ...
Tamarappoo Balaji K BK Department of Imaging (Division of Nuclear Medicine), Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Room 1258, Los Angeles, California 90048, - - 2010
The relationship between luminal stenosis measured by coronary CT angiography (CCTA) and severity of stress-induced ischemia seen on single photon emission computed tomographic myocardial perfusion imaging (SPECT-MPI) is not clearly defined. We sought to evaluate the relationship between stenosis severity assessed by CCTA and ischemia on SPECT-MPI. ECG-gated CCTA (64 ...
Mun Hee-Sun - - 2010
A 29-year-old Ethiopian woman that was referred to the Wisconsin Heart Hospital for treatment of subaortic stenosis, diagnosed 4 years earlier, in Ethiopia, using transthoracic echocardiography. Preoperative evaluation included transesophageal echocardiography, which showed severe membranous subaortic stenosis with a mean outflow gradient of 70 mmHg. Cardiac computed tomographic angiography also ...
Rupprecht Sven - - 2010
Arteriosclerosis related stenosis in the carotid bulb causes autonomic imbalance, likely due to carotid chemoreceptor and baroreceptor dysfunction. The latter are associated with increased cerebrovascular and cardiovascular mortality. Chemoreceptor and baroreceptor dysfunction is also involved in the origin of central sleep apnea syndrome (CSA) in different clinical entities. We hypothesized ...
Daijo Hiroki - - 2010
A 76-year-old woman was scheduled to undergo abdominal aortic repair for progressive abdominal aortic aneurysm. After inducing general anesthesia, the 7.5-mm internal diameter (ID) tracheal tube could not be advanced below the level of the vocal cords because of resistance, and intubation was re-attempted several times using smaller tubes. An ...
Van Canneyt Koen - - 2010
Hemodialysis vascular access (VA) stenosis remains a frequent complication. However, early detection is challenging and costly. The aim of this in vitro study was to assess a new detection method based on pulse pressure analysis at the hemodialysis needle. A silicon model of a radiocephalic arteriovenous fistula was built in ...
Seltmann Martin - - 2010
An 82-year-old patient developed right heart failure in the days after surgical aortic valve replacement. Coronary CT angiography showed a high-grade stenosis of the mid-right coronary artery. Adjacent suture material seen on noncontrast CT suggested that the lesion was related to surgical closure of the right atrial cannulation site. Invasive ...
Deng You-Bin - - 2010
This study was designed to characterize the changes in the peak systolic longitudinal, circumferential and radial strains by using 2-D strain echocardiography in patients with coronary artery stenosis without segmental wall motion abnormalities on conventional 2-D echocardiography. 2D strain echocardiography was performed in 44 patients with different degrees of coronary ...
Kuo Pei-Ching - - 2010
Although hemodialysis vascular access dysfunction is often caused by venous stenosis, stenosis can occur anywhere in the circuit. Herein, we report a 75-year-old woman who received repeated percutaneous angioplasty due to insufficient flow. Finally, a culprit stenosis at the subclavian artery was found and treated. Subclavian artery stenosis is often ...
Gaibazzi Nicola - - 2010
BACKGROUND: We aimed to compare the incremental value of contrast myocardial perfusion imaging (MPI) for the detection of intermediate versus severe coronary artery stenosis during dipyridamole-atropine echocardiography (DASE).Wall motion (WM) assessment during stress-echocardiography demonstrates suboptimal sensitivity to detect coronary artery disease (CAD), particularly in patients with isolated intermediate (50%-70%) coronary ...
Oster Matthew E - - 2010
BACKGROUND: Congenital rubella syndrome (CRS) has long been characterized by the triad of deafness, cataract, and cardiovascular malformations (CVMs). While initial reports identified patent ductus arteriosus (PDA) as the primary CVM in CRS, the exact nature of the CVMs found in CRS has not been well established. METHODS: We searched ...
Wang Ke-Yong - - 2009
We report a case of pulmonary capillary hemangiomatosis in a patient with aortic stenosis. An 86-year-old Japanese female with chronic heart failure due to aortic stenosis suddenly died during hemodialysis. At an autopsy, severe aortic stenosis and cardiomegaly with both left and right ventricular hypertrophy were noted. In the lung, ...
Arnoldi Elisabeth - - 2010
OBJECTIVE: To evaluate the performance of a computer-aided algorithm for automated stenosis detection at coronary CT angiography (cCTA). METHODS: We investigated 59 patients (38 men, mean age 58 +/- 12 years) who underwent cCTA and quantitative coronary angiography (QCA). All cCTA data sets were analyzed using a software algorithm for ...
Ioscovich A M - - 2009
BACKGROUND: Anesthetic management of parturients with aortic stenosis is controversial. Early studies suggest maternal mortality was related to cardiac condition and anesthetic care. In this report, management of parturients with moderate or severe aortic stenosis in two institutions is compared, and published cases are reviewed. METHODS: Peripartum anesthetic management of ...
Loukanov Tsvetomir S - - 2009
BACKGROUND: We present a group of infants and children with pulmonary arterial sling and tracheal stenosis. In some of the patients, the anomalously located pulmonary artery had previously been reimplanted, but without simultaneous repair of the trachea. METHODS: From 1992 to 2007, we reimplanted the left pulmonary artery in 13 ...
Dikkers Riksta - - 2009
PURPOSE: The purpose of this study was to investigate the noninvasive quantification of coronary artery stenosis using cardiac software packages and vessel phantoms with known stenosis severity. MATERIALS AND METHODS: Four different sizes of vessel phantoms were filled with contrast agent and scanned on a 64-slice multidetector computed tomography. Diameter ...
Tanaka Hisaichi - - 2009
A 25-year-old women developed severe stenosis of the right main bronchus after medical treatment for pulmonary tuberculosis in the right upper lobe. She underwent a right upper sleeve lobectomy with partial excision of the right main bronchus and right side of the carina. Reconstruction was performed using telescopic anastomosis between ...
Inan B Kaan - - 2009
Left main coronary artery (LMCA) stenosis accompanying to supravalvular aortic stenosis is a very uncommon, serious congenital abnormality. Aortic valve leaflet fusions and intimal thickening of the aortic valve leaflets and coronary artery are the underlying pathologies for the LMCA stenosis. We operated on a 21-year-old male patient for supravalvar ...
Gowda Srinath T - - 2009
The objective of this study was to evaluate the incidence of pre-existing catheterization left pulmonary artery (LPA) gradients and correlation of these gradients with later LPA stenosis after successful patent ductus arteriosus (PDA) occlusion. We performed a single-center review of 130 patients with PDA closure from October 1993 to February ...
Perkins Peter - - 2009
Aortic stenosis is now the most common type of valvular heart disease in Europe and North America. Calcific aortic stenosis affects 2-7% of people aged over 65 years. Dyspnoea, chest pain, and syncope require investigation and surgery is the preferred option for suitable individuals. Operative mortality is 3-5% for those ...
Holmes David R DR Jr Department of Cardiovascular Diseases and Internal Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA. - - 2009
Ablation procedures for atrial fibrillation are being performed with increasing frequency. One of the most serious complications is the development of pulmonary vein stenosis, which occurs in 1% to 3% of current series. The presentation of pulmonary vein stenosis varies widely. The majority of patients are symptomatic although specific referral ...
Massyn M W - - 2009
Heyde syndrome is a triad of aortic stenosis, an acquired coagulopathy and anaemia due to bleeding from intestinal angiodysplasia. The evidence that aortic stenosis is the root cause of this coagulopathy is compelling. Resolution of anaemia usually follows aortic valve replacement. This article discusses studies linking aortic stenosis with other ...
Albacker Turki B - - 2009
We report an interesting case of a patient with Williams syndrome who presented with moderate supravalvar aortic stenosis and bilateral pulmonary artery stenosis at one week of age. The supravalvar aortic stenosis became severe by the age of one month with severe depression of left ventricular function. The patient had ...
Tulino Viviana - - 2011
Pulmonary stenosis can occur as part of more congenital cardiac malformations or as rare primary isolated pulmonary stenosis. It has been reported a primary isolated pulmonary artery stenosis in an asymptomatic 25-day-old newborn infant and a rare case of isolated pulmonary stenosis in a 66-year-old woman has been reported too. ...
Braun U - - 2009
The reticular motility in 144 cattle with vagal indigestion was evaluated by ultrasonography; 97 had proximal functional stenosis (reticulo-omasal stenosis) and 47 had distal functional stenosis (pyloric stenosis). A 3.5 MHz linear transducer was used to measure the frequency, amplitude, duration and speed of the reticular contractions per three minutes ...
Nemati Mohammad Hassan - - 2009
Homozygous familial hypercholesterolemia (FH) is an autosomal dominant disease caused by a mutation in the low-density lipoprotein (LDL) receptor. This mutation can lead to increased serum LDL, and subsequently to premature coronary artery disease. It may also lead to valvular and supravalvular aortic stenosis, these complications being cardinal in the ...
Peros George - - 2009
CONTEXT: Celiac artery stenosis is observed in a significant percentage of individuals in the general population. Although usually clinically silent and insignificant, due to the presence of extensive collaterals between the celiac artery and the superior mesenteric artery, celiac artery stenosis may be associated with potentially catastrophic ischemic complications in ...
Gaujoux Sébastien - - 2009
OBJECTIVE: To assess prevalence, prevention, and management strategy of visceral ischemic complications after pancreaticoduodenectomy (PD). BACKGROUND: Ischemic complications after PD resulting from preexisting celiac axis (CA), superior mesenteric artery (SMA), stenosis, or intraoperative arterial trauma appear as an underestimated cause of death. Their prevention and adequate management are challenging. METHODS: ...
Gandy Kim L - - 2009
Williams-Beuren syndrome is associated with supravalvar aortic stenosis and peripheral pulmonary artery stenosis in the majority of affected individuals. Among patients in whom surgery for supravalvar aortic stenosis is contemplated, stenosis of the branch pulmonary arteries is common. For asymptomatic patients with subsystemic right ventricular pressure, the natural history is ...
Barrett Conor D - - 2009
PURPOSE OF REVIEW: The diagnosis of pulmonary vein stenosis, following catheter ablation of atrial fibrillation, potentially carries significant morbidity for affected patients. It is important that physicians remain aware of the entity and have an understanding of how to treat such patients. There has been controversy in how to assess ...
Tomar M - - 2009
We report a rare case of sinus of Valsalva aneurysm of left aortic sinus, which was bulging into left atrium (LA) distorting mitral valve and rupture into the left ventricle with severe aortic regurgitation in a 25 years old male patient. Due to the rupture, both aortic and mitral valves ...
Han Seong Woo - - 2009
Comprehensive aortic root and valve repair (CARVAR) surgery using specially designed aortic rings was introduced as a new surgical technique for aortic valve disease. We present five consecutive cases of iatrogenic coronary ostial stenosis after CARVAR surgery in patients with aortic stenosis. The preoperative coronary angiography confirmed that all the ...
Picichè Marco - - 2008
Supravalvular aortic stenosis is a rare congenital anomaly characterized by variable amounts of left ventricular outflow tract obstruction distal to the aortic valve. Macroscopically, it is categorized into three morphologic subtypes: membranous, hourglass, and diffuse. The diffuse type is the most rare, and its surgical repair is the most challenging ...
Kao Yi-Hsuan - - 2008
PURPOSE: To assess spatiotemporal patterns of local perfusion in MR brain perfusion images for patients with unilateral carotid stenosis. MATERIALS AND METHODS: MR perfusion images acquired from 12 patients with unilateral carotid stenosis were retrospectively segmented using independent component analysis. Regions of interest selected from the segmentation results were used ...
Ho Allen S - - 2008
Tracheal stenosis is a rare, potentially life-threatening condition described as innate narrowing of the tracheal lumen. The causes of tracheal stenosis vary widely. The most common forms result from prolonged intubation, although congenital causes usually involve complete tracheal rings or compression from cardiovascular malformations. The condition historically has harbored a ...
Oshima Yoshihiro - - 2008
BACKGROUND: Pulmonary artery sling is often associated with congenital tracheal stenosis and intracardiac anomalies. This study examines the influence of concomitant anomalies and individual surgical procedures. METHODS: Between 1984 and 2006, 31 patients underwent surgical repair of pulmonary artery sling (median, 6 months; range, 29 days to 9 years). Twenty-eight ...
Drossner David M - - 2008
OBJECTIVE: Pulmonary vein stenosis is a rare, although often lethal, anomaly. Risk factors for the diagnosis of pulmonary vein stenosis are poorly characterized. In this study we sought to identify factors associated with pulmonary vein stenosis, paying particular attention to preterm birth. METHODS: By review of the cardiac database we ...
Yamaji Hirosuke - - 2008
BACKGROUND: Pulmonary vein (PV) stenosis is a major complication of PV isolation (PVI) by catheter ablation, so in the present study the optimal position for detecting PV stenosis on enhanced multidetector computed tomography (MDCT) image acquisition was determined. METHODS AND RESULTS: The 64-slice enhanced MDCT was carried out before and ...
Höllmer M - - 2008
OBJECTIVES: To evaluate the occurrence of aortic stenosis and establish echocardiographic reference values in the Dogue de Bordeaux in Denmark. METHODS: Fifty-three dogs were auscultated for evidence of a cardiac murmur and a full echocardiographic examination was performed. The criterion for the diagnosis of aortic stenosis was a peak aortic ...
Miura Takashi - - 2008
A rhombic shaped pulmonary autograft patch was applied to enlarge an ostial stenosis of the left main coronary artery (LMCA) in a 25-year-old woman diagnosed with vasculitis syndrome. The patch increased the width of the ostial stenosis and made a funnel-shaped connection. At eighteen months of follow-up, a coronary angiogram ...
Paulson William D - - 2008
BACKGROUND: Recent studies have shown that inflow stenosis of haemodialysis grafts is more common than previously realized. The influence of inflow stenosis on graft haemodynamics and venous pressure (VP) surveillance has not been previously systematically studied. METHODS: We used a well-established mathematical model to determine the relation between inflow stenosis ...
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