Search Results
Results 401 - 450 of 1493
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Bekkers Sebastiaan C A M - - 2005
OBJECTIVE: We sought to investigate the echocardiographic prevalence of abdominal aortic aneurysm (AAA) in an unselected group of patients referred for regular transthoracic echocardiography (TTE). METHODS: Prospectively, during a 3-month period, a limited ultrasound examination of the infrarenal aorta was performed. AAA was defined as a diameter of 30 mm ...
O'Brien Kevin D - - 2005
BACKGROUND: Calcium accumulation in the aortic valve is a hallmark of aortic sclerosis and aortic stenosis. Because lipoproteins, angiotensin-converting enzyme, and angiotensin II colocalize with calcium in aortic valve lesions, we hypothesized an association between angiotensin-converting enzyme inhibitor (ACEI) use and lowered aortic valve calcium (AVC) accumulation, as measured by ...
Tasca Giordano - - 2005
BACKGROUND: Previous studies have reported that patient-prosthesis mismatch may be associated with lesser regression of left ventricular hypertrophy. However, among the patients with mismatch, the extent of left ventricular mass regression varied markedly from one patient to another, and we hypothesized that it could be related to the magnitude of ...
Fuster Rafael García - - 2005
Ventricular dysfunction and high hypertrophy may influence surgical outcome in aortic stenosis. Our aim was to determine whether an excessive left ventricular mass index (LVMI) discriminates different risk profiles in aortic stenosis with low ventricular ejection fraction (LVEF). Three hundred and thirty-nine patients with severe aortic stenosis underwent valve replacement ...
Boivie Patrik - - 2005
BACKGROUND: Aortic manipulation and particle embolization have been identified to cause cerebrovascular accidents in cardiac surgery. Recent data suggest that left-hemispheric cerebrovascular accident (right-sided symptoms) is more common, and this has been interpreted as being caused by aortic cannula stream jets. Our aim was to evaluate symptoms of cerebrovascular accident ...
Tsukamoto Kosuke - - 2005
A 20-year-old man with congestive heart failure (CHF) and hypertension (HT) was admitted to hospital. Ultrasonic echocardiography showed that he had aortic stenosis caused by a bicuspid aortic valve. The plasma renin concentration was slightly elevated, and enhanced magnetic resonance imaging and renography revealed a hypoplastic kidney that had almost ...
Tuzun Egemen - - 2005
We assessed the effects of an axial flow left ventricular assist device (LVAD) upon aortic valve opening, pump outflow, and biologic and hematologic parameters when operated in intermittent low speed (ILS) mode. An ILS controller equipped Jarvik 2000 LVAD was implanted in six calves. Pump speed was maintained at 10,000 ...
Haimerl J - - 2005
MRI allows visualization and planimetry of the aortic valve orifice and accurate determination of left ventricular muscle mass, which are important parameters in aortic stenosis. In contrast to invasive methods, MRI planimetry of the aortic valve area (AVA) is flow independent. AVA is usually indexed to body surface area. Left ...
Grinda Jean-Michel - - 2005
BACKGROUND: To evaluate the short and long-term results of cryopreserved aortic viable homograft (CAVH) in the treatment of active aortic endocarditis. METHODS: From January 1992 to December 2002, 104 patients (23 females, 81 males) with a mean age 51 +/- 13 years (from 14 to 77) underwent CAVH replacement for ...
Khuri Shukri F - - 2005
BACKGROUND: Regional myocardial acidosis, as measured with tissue pH electrodes during cardiac surgery, has been shown to be reflective of regional myocardial ischemia. This study examined the relationship between intraoperative regional myocardial acidosis and long-term survival of patients undergoing cardiac surgery with cardiopulmonary bypass. METHODS: A total of 496 adult ...
Tasca Giordano - - 2005
BACKGROUND: Valve prosthesis-patient mismatch is a frequent problem in patients undergoing aortic valve replacement and its main hemodynamic consequence is to generate high transvalvular gradients through normally functioning prosthetic valves. The persistence of high gradients may hinder or delay the regression of left ventricular hypertrophy after aortic valve replacement. METHODS: ...
Soma Johannes - - 2005
A 42-year-old male with a history of chronic aortic valve disease and urethra stenosis, was admitted with fever, dysuria, and vomiting. Escherichia coli (E. coli) was cultured from blood and urine. Repeated transesophageal echocardiographic studies performed during the early phase of the hospitalization did not exclude the possibility of infective ...
Tanaka Hiroshi - - 2005
A 42-year-old man complaining of severe chest pain was referred to our hospital. Computed tomography demonstrated acute type A aortic dissection complicated with rupture in the descending aorta and right leg malperfusion. Initial entry was detected in the proximal descending aorta. He underwent aortic arch, and descending thoracic aorta replacement ...
Lewis S - - 2005
We report the case of an acute type A aortic dissection occurring in a 35-year-old parturient. The initial diagnosis was missed; a subsequent emergency Caesarean section 3 weeks after presentation was followed by the development of left ventricular failure and pulmonary oedema in the early postoperative period. Echocardiography confirmed the ...
Corno Antonio F - - 2005
The first problem to solve when dealing with the topic 'borderline left ventricle' is to find the appropriate definition. Several parameters have been taken into consideration, either morphometric (diameter of the mitral valve, indexed mitral valve area, left ventricular inflow dimension, left ventricular cross-sectional area, ratio between the apex-to-base left ...
Izawa Atsushi - - 2005
A male patient with tetralogy of Fallot accompanied by aortic regurgitation had maintained sufficient exercise capacity for a number of decades with the status of acyanotic tetralogy of Fallot. When he was 67 years old, he suffered a posterior wall acute myocardial infarction and direct percutaneous coronary angioplasty successfully revascularised ...
Cheitlin Melvin D - - 2005
Presently, conventional wisdom is that an asymptomatic patient, even with severe aortic stenosis (AS), can be followed medically. The basis for this recommendation is that sudden death as the first "symptom" in an asymptomatic patient is rare. Unfortunately, symptoms are subjective and can be ignored or explained away by both ...
Hasegawa Tomomi - - 2005
OBJECTIVE: Heart fatty acid-binding protein is a rapid indicator for assessment of myocardial damage in cardiac surgery. The purpose of this study was to investigate the effects of age and ischemic time on the biochemical evidence and clinical outcomes of myocardial damage in pediatric cardiac surgery. METHODS: A prospective observational ...
Khwaja Shamsuddin - - 2005
The Ross procedure is an ideal aortic valve replacement for the teenage patient because the pulmonary autograft is durable, is nonthrombogenic, has excellent hemodynamics, and grows. Since 1992, our center has performed 194 Ross procedures, and 53 of these were in teenagers (10 to 21 years of age). In this ...
Rose Alan G - - 2005
BACKGROUND: Ventricular assist devices (VADs) are used as a bridge to cardiac transplantation or as a permanent or sometimes temporary treatment for end stage heart failure. METHODS: Our autopsy and surgical pathology experience with VADs prior to August 2002 was reviewed. Noted were patient's age, sex, underlying (UCOD) and proximate ...
McGee Edwin C EC - - 2005
Aortic dissection involving the descending aorta has a predictable and often debilitating course of progressive dilatation that occurs once patients survive the acute phase of the disease. Important factors that impact the rate and degree of dilatation include the persistence of a false lumen channel (and the amount of thrombus), ...
Trimarchi Santi - - 2005
BACKGROUND: Surgical mortality for acute type A aortic dissection reported in different experiences from single centers or surgeons varies from 7% to 30%. The International Registry of Acute Aortic Dissection, collecting patients from 18 referral centers worldwide, identifies a preoperative risk stratification scheme and a real average surgical mortality for ...
Yeo Khung-Keong - - 2005
An elderly Japanese woman presented with evidence of a myocardial infarction. Emergency angiography showed no significant atherosclerotic disease, but the anterior and anteroseptal walls were akinetic, with 'ballooning' of the apex. She was suspected to have transient left ventricular apical ballooning syndrome (TLVABS). Two months later, transthoracic echocardiography showed normal ...
Scheuble Aliocha - - 2005
Major advances in the diagnostic, evaluation, and particularly surgical treatment of aortic regurgitation (AR) have redefined the role of medical treatment. In acute AR, aortic valve replacement (AVR) is the only life-saving treatment. Medical treatment may improve the hemodynamic state temporarily before surgery. Rationale of medical treatment in chronic AR ...
Jonas Richard A - - 2005
The Ross procedure was a remarkable technical achievement when it was introduced in 1967. Although the long-term results for the procedure when performed in adults using the technique of intra-aortic subcoronary freehand implantation have been satisfactory, the results for children using the technique of complete aortic root replacement have been ...
Shiiya Norihiko - - 2005
A fully heparin-coated closed-loop cardiopulmonary bypass system has recently been introduced into clinical practice. Without a venous reservoir, however, it does not allow control of the preload to the heart. We connected a soft reservoir bag in parallel with a centrifugal pump to enable preload control and clinically evaluated this ...
Tanriverdi Halil - - 2005
BACKGROUND: Physiologic adaptations in an athlete's heart include increased left and right ventricular chamber size, left ventricular wall thickness and mass. Angiotensin-converting enzyme (ACE) is a key enzyme in angiotensin II production causing cardiac hypertrophy. The cloning of the ACE gene has made it possible to identify a deletion (D)-insertion ...
Danzig V - - 2005
The authors describe the results of intra-operative hemodynamic monitoring during laparoscopic cholecystectomy in patients with ischemic left ventricular dysfunction and with significant aortic stenosis. The results in the groups composed of 13 and 12 patients were compared with the findings in 10 young, non-obese, non-smokers without significant cardiovascular history and ...
Barandon Laurent - - 2004
Spontaneous native aortic valve thrombosis is an uncommon event occurring after heart valve disease, during cardiac catheterization, bacterial endocarditis, or as a hypercoagulative state as in antiphospholipid antibody syndrome. We report the case of a 55-year-old woman in whom thrombi developed on a native aortic valve with no predisposing cause. ...
Mohler Emile R ER - - 2004
The calcified aortic valve lesion develops in the setting of endothelial injury and inflammation and displays hallmarks of atherosclerosis, including lipids accumulation, matrix metalloproteinase activation, and interaction with renin-angiotensin system. Current evidence indicates that modification of atherosclerotic risk factors will slow the progression of aortic valve calcification, and valve risk ...
Tsai Chung-Lin - - 2004
Two patients suffered from acute myocardial infarction (AMI) resulting from occlusion of left coronary perfusion graft limb after aortic root reconstruction by Cabrol or modified Cabrol technique. A 34-year-old male patient with Marfan syndrome received aortic root reconstruction by modified Cabrol technique due to aortic root aneurysm and acute type ...
Cummings Chanda - - 2004
Surgical treatment for aortic stenosis includes aortic valve replacement, which alleviates symptoms and increases longevity. The purpose of this study was to evaluate the prevalence of left ventricular dysfunction after aortic valve replacement. Left ventricular function was assessed by a retrospective review of preoperative and postoperative ejection fractions (EF) using ...
Gaudino Mario - - 2005
AIM: The effects of post-operative left ventricular mass regression (LVMR) on clinical outcome after aortic valve surgery remains to be established. This study was intended to establish the impact of patient characteristics on post-operative survival in patients referred for aortic valve replacement (AVR), with particular regard to LVMR. METHODS AND ...
Moyssakis I - - 2005
OBJECTIVE: To study the stiffness of large arteries in relation to the extent of skin and lung fibrosis, aortic distensibility was examined in patients with diffuse and limited systemic sclerosis (SSc). METHODS: Consecutive patients (55 with diffuse and 51 with limited SSc) without signs and symptoms of heart failure or ...
Colombo Alessandro - - 2004
The present report refers to a case of life-threatening acute myocardial infarction due to thrombotic occlusion of the left main stem, in which an aggressive dethrombotic intervention (pharmacologic and mechanical) was totally successful, thanks to a well developed right coronary system and the use of intra-aortic balloon pump.
Atak Ramazan - - 2004
Determination of underlying etiology in patients with dilated and globally hypokinetic left ventricles may sometimes be difficult even after detailed history and complete clinical evaluation. Cardiac valvular and thoracic aortic calcifications have previously been reported to be used as a window to diffuse atherosclerosis of the vascular system. The authors ...
Daniotti Alessandro - - 2004
A 51-year-old woman suffered rapidly irreversible cardiogenic shock with left hemiparesis. Transesophageal echocardiography, which represents an essential imaging tool in the emergency room, ruled out aortic dissection involving branch vessels but did not allow an in vivo diagnosis of spontaneous coronary dissection. The in vivo diagnosis of spontaneous coronary dissection ...
Sharony Ram - - 2004
BACKGROUND AND AIM OF THE STUDY: Although minimally invasive aortic valve replacement (MIAVR) is becoming an accepted technique, additional outcome evaluation is required. To correct for non-randomized treatment, the propensity score was used to analyze the present authors' experience with MIAVR compared to standard sternotomy (SS). METHODS: Between January 1995 ...
Tworetzky Wayne - - 2004
BACKGROUND: Preventing the progression of fetal aortic stenosis (AS) to hypoplastic left heart syndrome (HLHS) requires identification of fetuses with salvageable left hearts who would progress to HLHS if left untreated, a successful in utero valvotomy, and demonstration that a successful valvotomy promotes left heart growth in utero. Fetuses meeting ...
Mumtaz Muhammad A - - 2004
Aortic insufficiency is not a part of the hypoplastic left heart syndrome. This report describes a rare case of congenital aortic insufficiency from a detached leaflet in a patient with hypoplastic left heart syndrome and 45,X/46XY mosaicism. The patient was subsequently treated with the modified Norwood procedure along with suture ...
Murashita Toshifumi - - 2004
Since the lesions and stages of Takayasu arteritis vary with each patient, surgical treatment of this disease requires meticulous planning for the timing of operation, technique, material used, and postoperative medication. We report a rare complex lesion of Takayasu arteritis, which required simultaneous repairs for aortic regurgitation, a dilated ascending ...
Rydberg E - - 2004
To examine how left atrioventricular plane displacement (AVPD), a widely used measure of left ventricular (LV) function, is related to presence and degree of aortic stenosis. Cardiac dimensions, LV filling, left AVPD, LV ejection fraction (LVEF), and valve function were assessed by echocardiography/Doppler in 182 patients with various cardiac diseases ...
Walther Thomas - - 2004
BACKGROUND: Standard stented aortic xenograft valves have not yet been compared regarding their hemodynamic function using a stratified intraoperative randomization protocol. METHODS AND RESULTS: 100 patients were prospectively included after intraoperative metric sizing of the decalcified aortic annulus. They received Mosaic (M) or Perimount (P) aortic valve replacement. Patient age ...
Kasher John Afshin - - 2004
Aortic dissection is a relatively uncommon but catastrophic illness classically thought to present with acute, sharp, chest pain with radiation to the back. However, aortic dissection can manifest in a number of different ways that include congestive heart failure, inferior myocardial infarction, stroke, focal pulse and neurologic deficits, abdominal pain, ...
Kazui Toshinobu - - 2004
We have performed aortic root remodeling concomitant with aortic annuloplasty (subvalvular circular annuloplasty: it tightens the aortic annulus, using Gore-Tex strip (N.L. Gore and Associates, Arizona, USA)) in patients with AAE and AR. We examined morphologic changes in the aortic root during cardiac cycles, using pre- and post-operative echocardiography. Twelve ...
Auriemma Stefano - - 2004
BACKGROUND: The Edwards Prima stentless valve (EPSV) is a bioprosthesis made of the porcine aortic root which, owing to its versatility, may be implanted with different techniques depending on the underlying disease. The aim of this study was to demonstrate the usefulness of the EPSV implanted as a miniroot in ...
Pate Gordon E - - 2004
Bleeding from gastrointestinal angiodysplasia in patients with aortic stenosis (AS), termed Heyde's syndrome, has been recognized for many years. Intestinal angiodysplasia (IA) and AS are chronic degenerative diseases that are often asymptomatic, with a higher prevalence in the population than is clinically apparent. The incidence of both conditions increases with ...
Hirose Hitoshi - - 2004
BACKGROUND: Aortic valve replacement (AVR) after coronary artery bypass using bilateral internal thoracic arteries (ITAs) is a challenge. Management of these patent grafts and myocardial protection are important issues. Moreover the risk and outcome of these complex operations have not been clearly defined. METHODS: Eighteen consecutive patients (all male) who ...
Kunihara Takashi - - 2004
Right ventricular failure due to right coronary occlusion is an uncommon but serious complication of acute aortic dissection. We report a patient with right coronary occlusion from acute type A aortic dissection who developed right ventricular failure that persisted after proximal aortic repair, rendering weaning from extracorporeal circulation unsuccessful. With ...
Vengala Srinivas - - 2004
Aortic valve stenosis (AS) severity can be estimated by various modalities. Due to some of the limitations of the currently available methods, the usefulness of live three-dimensional transthoracic echocardiography (3D TTE) in the assessment of AS was explored. Live 3D TTE was able to visualize the aortic valve orifice in ...
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