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Results 351 - 400 of 2134
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Roberts William Clifford - - 2009
Most studies concerning aortic valve structure in patients having aortic valve replacement have utilized the valve structure (unicuspid, bicuspid, tricuspid) as that called by the cardiac surgeon performing the operation. We determined valve structure of 744 operatively excised stenotic aortic valves submitted to the surgical pathology laboratory of a single ...
Hammerstingl C - - 2009
We report on an 81-year old man with decompensated severe aortic regurgitation due to a large paravalvular leakage of mechanical aortic valve prosthesis. Because of relevant co- morbidities the patient was unable to undergo cardiovascular surgery. Non- invasive imaging allowed exact localization of the leakage and sizing of the defect ...
Michelena Hector I - - 2009
A 67-year-old male who had received an aortic porcine bioprosthesis 15 years previously, presented with unstable angina. The patient underwent percutaneous coronary intervention with the resolution of chest pain. A limited predischarge echocardiogram showed evidence of a newly severely elevated left ventricular filling pressure and new eccentric aortic regurgitation. Six ...
Fassl Jens - - 2009
OBJECTIVE: The purpose of this study was to review the management of anesthesia for transapical transcatheter aortic valve implantation. DESIGN: Retrospective review of collected data. SETTING: University-affiliated heart center. PARTICIPANTS: One hundred consecutive patients with severe aortic stenosis. INTERVENTIONS: General anesthesia followed by an established fast-track protocol. MATERIALS AND METHODS: ...
Dasi Lakshmi P LP Wallace H. Coulter School of Biomedical Engineering, Georgia Institute of Technology and Emory University, Room 2119, U. A. Whitaker Building, 313 Ferst Drive, Atlanta, GA 30332-0535, - - 2009
We present a fundamental theoretical framework for analysis of energy dissipation in any component of the circulatory system and formulate the full energy budget for both venous and arterial circulations. New indices allowing disease-specific subject-to-subject comparisons and disease-to-disease hemodynamic evaluation (quantifying the hemodynamic severity of one vascular disease type to ...
Boodhwani Munir - - 2009
Aortic valve (AV) sparing procedures are increasingly being used to treat aortic root pathology. Reimplantation of the aortic valve, first described by Dr Tirone David, is a technically demanding procedure whose long-term results are critically dependent on perfect intraoperative restoration of valve anatomy and function. There exists significant variation in ...
Mishra Pankaj Kumar - - 2009
The association between gastrointestinal (GI) bleeding due to angiodysplasia of the large intestine and calcific aortic stenosis (AS) has been a matter of debate. Recent studies suggest that this association is related to subtle alterations in plasma coagulation factors. von Willebrand factor is the strongest possible link between aortic stenosis ...
Clavel Marie-Annick - - 2009
We report the case of a 79-year-old man with low-flow, low-gradient aortic stenosis who underwent transapical aortic valve implantation. The deployment of a 26-mm Edwards SAPIEN valve (Edwards Lifesciences Inc, Irvine, CA) was complicated with the occurrence of severe central aortic regurgitation that was successfully treated with the implantation of ...
Liska Branislav - - 2011
We investigated the relative contribution of hemodynamic and clinical factors to serum natriuretic peptide elevation in seventy-one patients with either aortic stenosis or aortic regurgitation. We found that pulmonary hypertension, heart failure and renal failure are the most powerful independent predictors of natriuretic peptide elevation in patients with aortic valve ...
Bollati M - - 2009
The morbidity and mortality burden of heart valve disease is increasing in the developing world, especially among the elderly. Whereas surgery remains the standard of care in fit patients with degenerative aortic stenosis, percutaneous aortic valve replacement could become an effective alternative to surgery in selected higher risk patients. The ...
Inoue H - - 2009
We report here on a surgical case of acquired left ventricular right atrial communication (LV-RA communication) and aortic regurgitation (AR) caused by infective endocarditis (IE). We successfully treated the patient with composite patches made from polytetrafluoroethylene (PTFE) and autologous pericardium. In general, LV-RA communication is a rare congenital cardiac anomaly ...
Loebe M - - 2009
Decompensated aortic valve stenosis is a life-threatening condition. Aortic valve replacement in patients with cardiogenic shock due to critical aortic stenosis is a high-risk procedure and is associated with increased operative mortality. We describe the clinical course of a patient who was transferred to our institution in cardiogenic shock and ...
Schoen Steffen P - - 2009
AIMS: Continuity equation to evaluate aortic valve area (AVA(CE)) is critically dependent on accurate measurement of left ventricular outflow tract diameter and velocity. To circumvent these limitations, the present study aimed to generate nomograms for a facilitated estimation of aortic valve area using peak aortic valve pressure gradient (DeltapAv) and ...
Chambers John B - - 2009
Aortic stenosis is a common finding at echocardiography. This review describes the assessment of the aortic valve, the left ventricle, and the rest of the heart. It discusses grading the stenosis including cases in which there are discrepancies between the different echocardiographic measurements. It discusses the indications for and interpretation ...
Kondoh Haruhiko - - 2009
We report a case of a fast-growing cardiac papillary fibroelastoma (CPF) arising in the aortic valve. A 71-year-old woman was referred to a cardiologist for investigation of palpitations. Cardiac catheterization, coronary angiography, and echocardiography showed no stenosis of the coronary arteries, nor any other cardiovascular abnormalities. However, 12 months later ...
Chin Derek - - 2009
Transcatheter aortic valve implantation (TAVI) is a new technology that treats severe aortic stenosis. The technology has specific and mandatory technical requirements that must be met to allow safe and successful procedures. The echocardiographic method for diagnosis of aortic stenosis, anatomical case selection, procedural guidance and management of complications is ...
Thielmann Matthias - - 2009
Acquired aortic stenosis (AS) resulting from calcification of the aortic valve is the most frequent acquired valve disease in Europe. Due to the increasing average life expectancy the population in the western industrial world is aging, and consequently the prevalence of AS requiring aortic valve replacement (AVR), particularly in older ...
O'Brien Kieran R - - 2009
BACKGROUND: Cardiovascular magnetic resonance (CMR) can potentially quantify aortic valve area (AVA) in aortic stenosis (AS) using a single-slice phase contrast (PC) acquisition at valve level: AVA = aortic flow/aortic velocity-time integral (VTI). However, CMR has been shown to underestimate aortic flow in turbulent high velocity jets, due to intra-voxel ...
Kolettis Theofilos N - - 2009
The surgical management of porcelain aorta in patients requiring aortic valve replacement or coronary artery surgery carries a high morbidity and mortality and remains controversial. We report a successful transapical aortic valve implantation in combination with on-pump coronary artery bypass grafting in a young patient with severe aortic stenosis, left ...
Stathopoulos Ioannis - - 2009
We present a case with the previously unreported finding of an a-dip in the M-mode tracing of the aortic valve. An a-dip is commonly seen in the M-mode tracing of the pulmonic valve motion, and represents near equalization of pulmonary artery and right ventricular end- -diastolic pressures during atrial contraction. ...
El-Hamamsy Ismail - - 2009
Most children with aortic valve disease present with isolated aortic regurgitation or stenosis, in which case valve repair is often possible, thus delaying or eliminating the need for valve replacement. In the child with mixed aortic stenosis and regurgitation, repair is often more complex and less successful, requiring replacement of ...
Geist Volker - - 2009
BACKGROUND: The association between aortic valve disease and coronary atherosclerosis is common. In the recent era of percutaneous aortic valve replacement (PAVR), there is little experience with coronary artery intervention after valve implantation. CASE REPORT: To our knowledge, this is the first case of successful percutaneous coronary intervention after implantation ...
Sareyyupoglu Basar - - 2009
BACKGROUND AND AIM OF THE STUDY: The mid-term outcome of aortic valve-sparing root replacement, reimplanting native bicuspid versus tricuspid aortic valves, is unclear. METHODS: The records of 84 consecutive patients (66 men, 18 women; mean age 46.6 years) who had undergone aortic valve-sparing root replacement using the reimplantation technique between ...
Meng Yanfeng - - 2009
We report a rare case of a quinticuspid aortic valve associated with regurgitation and dilation of the ascending aorta, which was diagnosed and post-surgically followed up by cardiovascular magnetic resonance and dual source computed tomography.
J?nosi Rolf Alexander - - 2009
Percutaneous transcatheter aortic valve implantation (TAVI) is an evolving interventional therapy for high-risk, non-surgical patients with severe, symptomatic aortic valve stenosis (AS). As a standard procedure, 2D transesophageal echocardiography has been used for the preinterventional assessment of the native valve and measurement of the aortic annulus as well as for ...
Ho Paul C - - 2009
Percutaneous aortic valve replacement remains an investigational procedure challenged by multiple key issues. In part 1 of this 2 part series, the issue of precise placement of the percutaneous aortic valve was addressed by a novel design of a delivery and deployment system. The design and use of a hemodynamics ...
Ferlan Giovanni - - 2009
We present the case of a 54-year-old woman in which a diffuse congenital supravalvular aortic stenosis (SVAS) was associated with a severe aortic valve incompetence and heavy calcification of the aortic annulus. Repair consisted in resection of the ascending aorta, patch augmentation of the hypoplastic aortic root and annulus, placement ...
Göncü Tugrul - - 2009
Giant ascending aortic aneurysm formation following aortic valve replacement is rare. A 28-year-old man who underwent aortic valve replacement with a prosthetic valve for aortic regurgitation secondary to congenital bicuspid aortic valve about 10 years ago was diagnosed with a giant ascending aortic aneurysm about 16 cm in diameter in ...
Ngai Brandon - - 2009
Simultaneous seismocardiogram (SCG) and ultra-low frequency ballistocardiogram (BCG) signals are recorded. Preliminary results from the BCG helped tag which waves on the SCG are related to the rapid systolic ejection and aortic valve closure events. These results agreed with and further confirmed previous findings using the echocardiogram. This is the ...
Foffa Ilenia - - 2009
The bicuspid aortic valve (BAV) and specific systemic autoimmune diseases are associated with cardiovascular manifestation, including aortic aneurysm. We reported a case of 64 year-old patient with BAV and a history of ankylosing spondylitis (AS) and systemic lupus erythematosus (SLE), and who developed ascending thoracic aortic aneurysm. The patient presented ...
Apostolakis Efstratios E - - 2009
Retroperitoneal fibrosis is best described as a chronic inflammatory process which may be idiopathic, but can rarely be brought about by medications, such as pergolide, used for treating Parkinson's disease. Pergolide can produce a fibrotic process in heart valves, resulting in valve insufficiency in up to 25% of cases. Herein ...
Parthenakis Fragiskos - - 2009
Echocardiography represents an invaluable diagnostic tool for the detection of intracardiac masses while simultaneously provides information about their size, location, mobility and attachment site as well as the presence and extent of any consequent hemodynamic derangement. A 29-year-old asymptomatic young woman with incidental transthoracic echocardiographic (TTE) discovery of an aortic ...
Yeter E - - 2009
A 67-year-old woman was admitted with aortic valve endocarditis and aortic wall thickening (AWT). Physical examination and laboratory findings yielded infective endocarditis. Echocardiography revealed several small vegetations on the aortic valve, leading to moderate aortic insufficiency together with a small ventricular septal defect. We also became aware of the AWT ...
Ogawa Satoru - - 2009
Apicoaortic bypass (AAB), or apicoaortic conduit insertion, is a conventional surgical method that has been regaining attention due to the aging population and the increasing number of repeat surgeries. The indication for the procedure has been extended as an alternative for aortic stenosis when the usual sternotomy or aortic clamping ...
Akay Mehmet H - - 2009
Diagnostic evaluation of embolic neurologic events requires the consideration of cardiac causes. We recently encountered a case that emphasizes the importance of cardiac tumor as a source of embolic events. We present herein the case of a 42-year-old woman who suffered a transient ischemic attack caused by a papillary fibroelastoma ...
Okmen Arda Sanli - - 2009
We report the case of a 75-year-old woman who presented with stable angina and with a quadricuspid aortic valve, which consisted of 4 equal-sized leaflets that were diagnosed incidentally upon coronary angiography. Despite the patient's advanced age, the abnormal valve was functioning almost normally.
Stewart Robert L - - 2009
Patients with symptomatic severe aortic stenosis (AS) benefit from aortic valve replacement surgery, but the management of patients with asymptomatic severe AS is more controversial. While cholesterol and angiotensin have been linked to AS progression, we should await the results of ongoing randomized trials before medical therapy to lower cholesterol ...
Kahveci Gokhan - - 2009
We retrospectively investigated the impact of bicuspid aortic valve on the prognosis of patients who had definite infective endocarditis of the native aortic valve.Of 51 patients, a bicuspid aortic valve was present in 22 (43%); the other 29 had tricuspid aortic valves. On average, the patients who had bicuspid valves ...
Mahajan Nitin - - 2009
Aortic valve calcification is common in rheumatic endocarditis, elderly patients, and congenital bicuspid aortic valve. It is not a recognized risk factor for stroke. We report a case of non-calcific embolization from calcified bicuspid aortic valve. A 52-year-old male with bicuspid aortic valve presented with aphasia and right arm weakness ...
Weidemann Frank - - 2009
Fabry disease is a rare X-linked lysosomal storage disorder leading to an accumulation of glycosphingolipids in all tissues and organs including the heart. Among the pathologies of myocardial involvement, reviews and registry data list affection of heart valves and its hemodynamic significance as predominant alterations during progression of the disease. ...
Zhang Lily - - 2008
A 53-year-old man who presented with an embolic stroke was found to have new mild to moderate aortic valve regurgitation on transthoracic echocardiography. Subsequent transesophageal echocardiography revealed an isolated aortic valve aneurysm, without evidence of valve vegetations. Four of 4 blood cultures grew Enterococcus faecalis. This unique case represents the ...
Larobina Marco E - - 2008
Although concomitant coronary bypass, and mitral and tricuspid valve surgery have been used to expand the donor pool for cardiac transplantation, aortic valve disease is considered an absolute contraindication for use of an offered organ. A case is presented with the successful use of an organ requiring concomitant aortic valve ...
Hisata Yoichi - - 2008
A 68-year-old woman had undergone aortic valve replacement and open commissurotomy 20 years previously. At the beginning of 2008, fever, cold, and heart failure symptoms were noted. On blood culture, Streptococcus oralis was detected three times. Surgery was performed under a diagnoses of prosthetic valve endocarditis in the aortic valve, ...
Plass Andre - - 2008
We describe the case of a 59-year-old man who had aortic regurgitation and a hypoplastic aortic valve and for whom an echocardiography evaluation revealed a vascular tumor in the roof of the left atrium, which was suspected to be a hemangioma. After undergoing preoperative invasive catheter coronary angiography, echocardiography, and ...
Moaref Alireza - - 2009
A 26-year-old man presented to emergency department with fever associated with night sweating and weight loss since 2 months prior to admission. He was an intravenous heroin user admitted for infective endocarditis of aortic valve 1 year ago. Transthoracic echocardiography followed by the transesophageal study showed bileaflet aortic prosthesis with ...
Alexopoulos Alexandros - - 2010
Emerging evidence suggests that calcific aortic valve stenosis constitutes an active process sharing common features with atherosclerosis and bone formation. To further support this hypothesis, we investigated the expression of bone regulatory factors in calcified aortic valves. Formalin-fixed, paraffin-embedded tissue samples of human aortic tricuspid valves (n=54) were used from ...
Rathore Kaushalendra Singh - - 2010
INTRODUCTION: A 64-year-old female presented with a 2-year history of worsening angina. METHODS: Subsequent investigations revealed aortic valve tumor. The patient had history of hypertension, coronary artery disease, atrial fibrillation, hyperlipidemia, and hyperthyroidism. The patient was nondiabetic, nonsmoker, and had marfanoid features. RESULTS: The tumor was excised, and aortic valve ...
Roubertie François - - 2009
OBJECTIVE: Evaluate the results of various surgical procedures used for aortic root replacement in children with aortic root aneurysm. METHODS: Between 1986 and 2007, 23 children (less than 16 years of age, mean age: 8.1+/-5.1 years) underwent elective aortic root replacement for aortic root aneurysm (with associated aortic insufficiency in ...
Brili Stella - - 2009
A 52-year-old diabetic male was admitted due to 1-month history of fever, fatigue, and mild shortness of breath. Three months prior to admission, he had undergone aortic valve replacement, with a prosthetic one, because of streptococcus viridans endocarditis complicated by severe aortic regurgitation. Transesophageal echocardiogram revealed prosthetic valve endocarditis with ...
Fernández-Armenta Juan - - 2009
The quadricuspid pulmonary valve is a rare congenital anomaly. It tends to be clinically quiescent. Its diagnosis by two-dimensional echocardiography could be very difficult because of the anatomical features. We report on the echocardiographic findings of a 66-year-old female patient with mitral and aortic regurgitation of rheumatic origin and severe ...
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