Search Results
Results 101 - 150 of 1493
1 2 3 4 5 6 7 8 9 10 >
Saito Shunsuke - - 2009
Organic valve disease has been considered an absolute contraindication for acceptance as a donor heart. However, the severe shortage of donor hearts has prompted the use of marginally acceptable hearts to maximize the use of donor hearts. This report concerns a patient with repeated left ventricular assist system complications who ...
Camaro Cyril - - 2009
Diagnosing acute Stanford type A aortic dissection with the uncommon involvement of the left main coronary artery(LMCA) remains challenging for the emergency physician because it can resemble acute myocardial infarction with cardiogenic shock. The following case report illustrate this infrequent but critical situation. A 52-year-old woman with a history of ...
Yoda Masataka - - 2009
Papillary fibroelastoma (PFE) is the third most common primary neoplasm of the heart. The lesions generally appear singly, but multiple PFEs may rarely occur. The case is reported of multiple PFEs in a woman initially admitted for acute cerebral infarction. Echocardiography revealed four masses, one located on each cusp of ...
Williams Lynne - - 2009
Titin is a giant sarcomeric protein that plays a major role in determining passive myocardial stiffness. The shorter N2B isoform results in a higher passive myocardial stiffness than the longer N2BA isoform. We hypothesised that the expression of the short N2B isoform would be increased in patients with aortic stenosis ...
Weidemann Frank - - 2009
BACKGROUND: In this prospective follow-up study, the effect of myocardial fibrosis on myocardial performance in symptomatic severe aortic stenosis was investigated, and the impact of fibrosis on clinical outcome after aortic valve replacement (AVR) was estimated. METHODS AND RESULTS: Fifty-eight consecutive patients with isolated symptomatic severe aortic stenosis underwent extensive ...
Gutiérrez Marcos - - 2009
BACKGROUND: Transapical aortic valve implantation (TAVI) for the treatment of severe aortic stenosis requires the insertion of a large catheter through the left ventricular apex. However, the electrocardiographic (ECG) changes associated with the incision and repair of the left ventricular apex and the potential damage to the conduction system caused ...
Dandekar Uday P - - 2009
Cardiac involvement is a recognized complication of systemic lupus erythematosus (SLE), which can involve most cardiac components, including pericardium, conduction system, myocardium, heart valves, and coronaries. Libman-Sacks (verrucous) endocarditis is the characteristic cardiac valvular manifestation. We report a patient with SLE who had severe aortic regurgitation caused by Libman-Sacks endocarditis. ...
Luo Jing-Ling - - 2009
OBJECTIVE: Type A aortic dissection manifesting as acute myocardial infarction (AMI) is relatively rare but could be catastrophic if the management is not appropriate. This study investigated the incidence, outcome and potential diagnostic pitfalls of patients with such manifestations, and proposes a useful diagnostic paradigm. METHODS AND RESULTS: From 1 ...
Laser Kai Thorsten - - 2009
BACKGROUND: Congenital heart defects such as coarctation or valvular aortic stenosis are followed by changes in left ventricular myocardial deformation mechanics induced by pressure overload. METHODS: Echocardiography was performed in 37 patients (aged 0-27 years, 15 female) with coarctation (27) or valvular aortic stenosis (10) before and after interventional catheterization ...
Boonyasirinant Thananya - - 2009
OBJECTIVES: The aim of the study was to determine if patients with hypertrophic cardiomyopathy (HCM), both with and without myocardial fibrosis, have altered aortic stiffness as assessed by magnetic resonance imaging (MRI) pulse wave velocity (PWV) measurements. BACKGROUND: Abnormal aortic stiffness implies an unfavorable prognosis and has been established in ...
Brown Joseph - - 2009
There are variable reported effects of patient-prosthesis mismatch (P-PM) on outcome. It was hypothesized that the adverse effect attributed to P-PM is actually due to left ventricular diastolic dysfunction (DD) in patients with small hearts. The aim of this study was therefore to determine the association among P-PM, DD, and ...
Truscelli Giovanni - - 2009
Papillary fibroelastoma is the third most common primary tumour of the heart that usually involves the cardiac valves. Multiple papillary fibroelastomas are extremely rare. We report a case with multiple valve papillary fibroelastoma which was identified only by intraoperative transoesophageal echocardiography. The patient complained of atypical chest pains. She was ...
Travis Brandon R - - 2009
BACKGROUND: The degree of left ventricular overload in patients with aortic valve insufficiency (AI) plays an important role in determining the need and timing of surgical intervention. Because hemodynamic evaluation of AI may potentially predict the effects of an insufficient valve on the ventricle before they occur, it would be ...
Aghasadeghi Kamran - - 2009
A 22-year-old man with a 4 month history of dyspnoea on exertion was referred for echocardiography. Transthoracic echocardiography revealed a balloon-shaped cystic mass (2 x 2 cm) attached to the left ventricular outflow tract (LVOT). Continuous-wave Doppler echocardiography showed a 44 mmHg mean LVOT gradient. The patient underwent transoesophageal echocardiography ...
Marla Rammohan - - 2009
Aortic stenosis due to supravalvular membrane usually presents in children. It may be associated with fusion of the left coronary leaflet and the supravalvular membrane, causing obstruction of the left coronary ostium, and resulting in myocardial ischemia. Despite the immobilization of the left coronary leaflet, these patients present in childhood ...
Dumont Eric - - 2009
BACKGROUND: Transapical aortic valve replacement (TAVR) is emerging as an alternative to surgical aortic valve replacement in high-risk or non-operable patients with aortic stenosis. However, this approach might be associated with major bleeding complications during the removal of the introducer sheath from the left ventricular apex. We describe a simple ...
Khaodhiar Lalita - - 2009
The objective of the study was to examine the effect of a 6-month daily treatment with 160 mg valsartan, an angiotensin II receptor blocker, on the left ventricular systolic function and aortic elasticity of patients with type 2 diabetes mellitus (T2DM) and healthy subjects. This was a prospective, randomized, double-blind, ...
Piper Cornelia - - 2009
BACKGROUND AND AIM OF THE STUDY: In octogenarians with symptomatic aortic valve stenosis (AS), aortic valve replacement (AVR) is frequently not performed in due time, because the prognostic benefit is underestimated, while perioperative morbidity and mortality are overestimated. The severely impaired prognosis and quality of life after myocardial decompensation then ...
Pizarro Christian - - 2009
The decision between a single-ventricle and biventricular strategy can be particularly difficult in patients with critical left ventricular outflow obstruction who have marginal left ventricular size or function. Overzealous pursuit of a biventricular strategy in borderline cases can lead to death or require conversion to a single-ventricle physiology at increased ...
Bouzguenda Ivan - - 2009
BACKGROUND: Neonatal aortic coarctation presenting with multiorgan failure is a life threatening condition. OBJECTIVE: Our aim was to investigate whether emergency balloon dilation improved the prognosis of neonates with aortic coarctation who present with multiorgan failure. METHODS: We studied all neonates referred over a period of 6 years with aortic ...
Cattaneo P - - 2009
BACKGROUND: The continuity equation (CE) represents the 'gold standard' for the evaluation of aortic valve area in patients with aortic stenosis, but it is time-consuming and subject to error, and can be technically demanding. Recently, a new echocardiographic nonflow corrected index was introduced and demonstrated excellent accuracy in quantifying the ...
Nassenstein K - - 2009
PURPOSE: To assess the prevalence and pattern of myocardial late gadolinium enhancement (LGE) and its functional impact on patients with left ventricular hypertrophy caused by aortic valve stenosis. MATERIALS AND METHODS: Cardiac magnetic resonance imaging of 40 patients (17 female, 23 male, mean age: 76.6 +/- 22.5 years) with known ...
Roberts William Clifford - - 2010
Certain clinical and cardiac morphologic findings are presented in two men who developed massive right ventricular (RV) infarction with only minimal or no left ventricular infarction early after aortic valve replacement. The ostium of the right coronary artery was severely narrowed in one patient by the ring of the bioprosthesis, ...
Fesslová Vlasta - - 2009
OBJECTIVE: To analyze cardiac involvement and its progression in mucopolysaccharidoses, and to assess the short term impact of new therapeutic strategies. PATIENTS AND METHODS: We studied echocardiographically 57 patients with various types of mucopolysaccharidoses, specifically types I, II, III, IV and VI, with a median age at the diagnosis of ...
Patanè Francesco - - 2009
We present the case of a 72-year-old woman referred for dyspnea and vertigo when admitted to the hospital with a diagnosis of aortic stenosis. She had hypertension with previous deep venous thrombosis with no known hypercoagulable diathesis. She underwent aortic valve replacement with a Carpentier-Magna bioprosthesis without intraoperative complications; selective ...
Rabus Murat Bülent - - 2009
OBJECTIVE: The aim of this study was to assess the effects of aortic valve replacement (AVR) on the recovery of left ventricular function and the predictors for long-term survival in patients suffering from isolated severe aortic stenosis (AS) with a significant left ventricular dysfunction (LVD). METHODS: This retrospective study was ...
Piazza Nicolo - - 2009
Coronary atherosclerosis is a common finding in patients with severe aortic stenosis. Indeed, aortic stenosis is associated with risk factors similar those of coronary atherosclerosis such as older age, hypertension, diabetes, hypercholesterolemia and smoking. In light of the evolution of percutaneous aortic valve implantation (PAVI) and ongoing improvements in techniques ...
Nakahira Atsushi - - 2009
BACKGROUND: The modified Bentall technique, which was reported by Svensson in 1992, is an aortic root composite valve graft replacement involving reimplantation of the left coronary ostium with a long interposed graft wrapping behind the composite graft. The technique is technically advantageous, particularly for complicated or redo aortic roots. To ...
Karapanagiotidis Georgios T - - 2009
Matrix metalloproteinases (MMPs) constitute a family of zinc-dependent proteases (endopeptidases) whose catalytic action is the degradation of the extracellular matrix components. In addition, they play the major role in the degradation of collagen and in the process of tissue remodeling. The present clinical study investigated blood serum levels of metalloproteinases- ...
Kastellanos Stylianos S - - 2009
INTRODUCTION: The aim of this study was to determine whether sex and biochemical markers of inflammation have a role in left ventricular (LV) remodelling after aortic valve replacement in elderly patients with aortic valve stenosis. METHODS: We studied 52 elderly patients with aortic valve stenosis (32 men, mean age 65 ...
Mizzi Anna - - 2009
Metformin is a commonly used oral antidiabetic drug which can cause lactic acidosis. Although rare, this condition carries a high mortality risk. Correction of metabolic acidaemia is essential for treatment and dialysis with bicarbonate replacement is the gold standard approach. A 53-year-old man with diabetes on metformin therapy was admitted ...
Tanoue Yoshihisa - - 2009
Aortic root replacement (Bentall operation) is the standard operation for patients who have lesions of the ascending aorta associated with aortic valve disease. We analyzed the mid-term results for left ventricular energetics after the Bentall operation for annuloaortic ectasia with aortic regurgitation. We measured left ventricular contractility (end-systolic elastance; Ees), ...
Singh Amolak - - 2009
Step-stair and banding artifacts may result from irregular ventricular rhythm caused by atrial fibrillation or premature ectopic ventricular contractions. In the case reported here, severe banding and misalignment artifacts occurred due to electrocardiographic noise mimicking ectopic beats. Severe EKG noise or pseudo-ectopic beats may cause rare but serious artifacts during ...
Toggweiler Stefan - - 2009
The aim of this study was to evaluate the factors that determine the course of left ventricular mass regression in a homogeneous group of patients following aortic valve replacement by use of the mechanical Edwards MIRA bileaflet prosthesis. Furthermore, we examined if the 19-mm valve leads to an equally good ...
Okamura Homare - - 2009
BACKGROUND: When aortic valve replacement is performed in patients with a small aortic annulus, prosthesis-patient mismatch is of concern. Such prosthesis-patient mismatch may affect postoperative clinical status and survival. We investigated the outcomes of isolated aortic valve replacement performed with a 17-mm mechanical prosthesis in patients with aortic stenosis. METHODS: ...
Ho Siew Yen - - 2009
AIMS: Understanding the anatomy of the aortic root is particularly relevant in the current era of evolving management strategies including percutaneous and transcatheter therapeutic techniques for valve or device implantations. METHODS AND RESULTS: This review describes the aortic root as a composite structure of several elements, not only the valvar ...
Linares Vicente Jose Antonio - - 2009
BACKGROUND: Valve replacement for aortic stenosis (AS) determines negative ventricular remodelling. We used cross sectional and Doppler echocardiography to check how rapidly it occurs and to assess if these changes are sustained over time. METHODS: We evaluated in 34 patients subjected to aortic valve replacement for AS morphological and functional ...
Ohki Satoshi - - 2009
We present a case of a 61-year-old man who underwent aortic valve replacement for aortic regurgitation complicated with left ventricular noncompaction. The pathogenesis of this condition remains unknown. In advanced form, left ventricular noncompaction produces marked disability and carries a poor prognosis. We underscore that familiarity with this disease entity ...
Maizel Julien - - 2009
BACKGROUND: Chronic renal failure (CRF) is associated with cardiac dysfunction and increased aortic stiffness. The mechanisms involved are not clearly understood. We examined changes over time in cardiac and aortic function in a murine CRF model. METHODS AND RESULTS: Eight-week-old mice were randomly assigned to 1 of 4 groups: wild-type ...
D'Angeli Ilaria - - 2010
A 61-year-old man was referred at our hospital for a cardiac evaluation after an episode of oppressive chest pain at rest. He was discharged with a MRI diagnosis of non-compaction cardiomyopathy presented with typical angina, left ventricle dysfunction and ischemic EKG findings without atherosclerotic narrowing and also with a type ...
Sakaguchi Hidehito - - 2008
An 81-year-old man was referred to our hospital on May 29, 2006, for a left ventricular tumor that a cardiologist had evaluated by echocardiography. The patient underwent surgical resection of a left ventricular tumor including the stalk through the aortic annulus on June 6. The aortic cross-clamp time, cardiopulmonary time, ...
Burch Thomas M - - 2008
Patients with congenital supravalvular aortic stenosis and associated peripheral pulmonary artery stenoses, the majority of whom have Williams-Beuren syndrome, are inherently at risk for development of myocardial ischemia. This is particularly true in the setting of procedural sedation and anesthesia. The biventricular hypertrophy that accompanies these lesions increases myocardial oxygen ...
Oliver J C - - 2008
We present the case of a 65-year-old male with severe coronary artery disease and a single colorectal liver metastasis. An elective intra-aortic balloon pump (IABP) was inserted following induction of anaesthesia to reduce left ventricular workload during his liver resection. After an uneventful recovery he was discharged on day 5. ...
Pai Ramdas G - - 2008
BACKGROUND: Aortic stenosis (AS) is becoming increasingly common with the aging population. Many of these patients have reduced left ventricular (LV) ejection fractions (EF) or low transvalvular gradients resulting in reluctance to offer aortic valve replacement (AVR). METHODS: Our echocardiographic database for the period of 1993 to 2003 was screened ...
Zoroufian Arezoo - - 2008
We describe a 32-year-old man who presented in a febrile, unconscious state with unusual staphylococcal endocarditis. We diagnosed the patient's illness by using transthoracic echocardiography (TTE), which revealed a giant vegetation on the left ventricular lateral wall. The patient had history of aortic valve replacement and coarctoplasty. Conservative treatment using ...
Beaton Andrea Z - - 2009
Children with bicuspid aortic valve (BAV) have aortic dilation that is present and progressive from birth irrespective of the functional state of the valve. There are no published data comparing aortic dilation in children with BAV with and without aortic coarctation (CoA). The objectives of this study were to (1) ...
Bjørnstad Johannes L - - 2008
Patients with aortic stenosis (AS) develop left ventricular remodelling with cardiomyocyte hypertrophy and increased fibrosis. Following aortic valve replacement (AVR) reverse remodelling usually takes place. To examine circulating levels of members of the transforming growth factor (TGF) beta superfamily and matrix metalloproteinases (MMP), known to have important effects on hypertrophy ...
Scohy Thierry V - - 2009
The traditional intraoperative two-dimensional transesophageal echocardiography (2DTEE) has limitations in measuring left ventricular ejection fraction (LVEF) because measurements rely on geometric assumptions. The availability of online software and real time three-dimensional transesophageal echocardiography (RT3D-TEE) makes intraoperative LVEF measurements fast and easy. This is the first report of intraoperative measurement of ...
Singh Inder M - - 2008
Aortic valve replacement via open heart surgery, although still the standard treatment for severe symptomatic aortic valve stenosis, is not an option for many patients with severe symptoms, and these patients are often left with suboptimal strategies such as medical management or balloon valvuloplasty. But over the last 5 years ...
Silvilairat Suchaya - - 2008
OBJECTIVE: There are situations in which standard echocardiography does not adequately define the aortic arch. We sought to determine what additional information could be gained by analyzing abdominal aortic Doppler flows in coarctation. DESIGN: Previously recorded echocardiographic data were reviewed in 70 controls and 248 patients with coarctation, including abdominal ...
1 2 3 4 5 6 7 8 9 10 >