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Patanè Salvatore - - 2009
Currently, there is growing interest regarding prostate-specific antigen (PSA) and the cardiovascular system. Increased PSA serum levels have been reported after prolonged cardiopulmonary resuscitation, cardiac surgery, extracorporeal cardiopulmonary bypass, acute myocardial infarction (AMI) and coronary artery stenting. The possible role of PSA in cardiac events has been questioned due to ...
Barriales-Villa Roberto - - 2010
A 73-year-old female patient was referred for evaluation after suffering an atypical chest pain. Physical examination and ECG were normal. The echocardiogram showed a normal ventricular function. Attached to the anterior leaflet an accessory mitral valve tissue was identified. In systole, this mitral tissue creates an image that looks like ...
Yang Dan - - 2009
One of the most serious complications following acute myocardial infarction is left ventricular free-wall rupture (LVFWR). There are two different types of anatomical-pathological rupture: (i) the 'oozing' type, characterized by perforation, which allows enough time for diagnosis and surgery; and (ii) the blow-out type characterized by rapid, irreversible, electromechanical dissociation, ...
Turker Yasin - - 2009
OBJECTIVE: Arrhythmias have been reported to occur frequently in symptomatic patients with mitral valve prolapse (MVP). The mechanisms causing atrial arrhythmias in patients with MVP have not been fully investigated. The purpose of this study was to determine the clinical, echocardiographic and heart rate variability parameters, and plasma concentrations of ...
Silbiger Jeffrey J - - 2009
The mitral valve is a highly complex structure the normal functioning of which requires the coordinated interaction of the leaflets, annulus, chordae tendineae, and papillary muscles. Perturbations of any of these components can interfere with normal valve function. The integrity of the mitral valve is also essential to maintaining normal ...
Payne John R - - 2010
We report the case of a 76-year-old lady who had a mitral valve (MV) replacement for severe MV stenosis. Several days following the procedure, a routine transthoracic echocardiogram (TTE) was performed. Despite the prosthesis leaflets opening well anterograde maximum velocities were elevated; MV peak velocity of 2.4 m/s. A transoesophageal ...
Sia Ying T - - 2010
Mitral annular calcification (MAC) has been considered a risk factor for thrombo-embolic disease. Superimposed thrombus formation on MAC has not been well described as a possible underlying mechanism for this association. We report three patients with mobile left ventricular (LV) thrombus arising from the LV aspect of severe calcified mitral ...
Chung Jong Won - - 2009
Isolated left ventricular noncompaction cardiomyopathy (IVNC) is a cardiomyopathy thought to be caused by arrest of normal embryogenesis of the endocardium and myocardium. This abnormality is often associated with other congenital cardiac defects. A 21-year-old man presented to the emergency department with worsening exertional dyspnea during the previous 2 months. ...
Bothe Wolfgang - - 2009
Diastolic mitral valve (MV) opening characteristics during ischemic mitral regurgitation (IMR) are poorly characterized. The diastolic MV opening dynamics were quantified along the entire valvular coaptation line in an ovine model of acute IMR. Ten radiopaque markers were sutured in pairs on the anterior (A1-E1) and corresponding posterior (A2-E2) leaflet ...
Butz T - - 2010
A 71-year-old woman with a history of childhood pulmonary tuberculosis was admitted to our hospital for exertional dyspnoea (NYHA functional class II). Transthoracic and transoesophageal echocardiography demonstrated moderate to severe mixed mitral valve disease due to massive mitral annular calcification (MAC) and extensive infiltrative calcification of the atrioventricular groove. In ...
Ruiz-Esparza Eugenia - - 2009
A real time transthoracic 3D study of a left ventricular diverticulum established through a narrow orifice located between the aortic and mitral valves is presented. Diverticular morphology was reconstructed and its volumes were calculated by this technique for the first time in the literature.
Warsame Tahlil A - - 2009
Echogenicity within the left atrioventricular groove can be due to many conditions, such as mitral annular calcification, abscess, dilated coronary sinus, and aneurysm of the left circumflex coronary artery. However, in a patient who has no systemic symptoms, a bright, round echodensity with central echolucency and smooth borders in the ...
Krishnamurthy Gaurav - - 2009
Left atrial muscle extends into the proximal third of the mitral valve (MV) anterior leaflet and transient tensing of this muscle has been proposed as a mechanism aiding valve closure. If such tensing occurs, regional stiffness in the proximal anterior mitral leaflet will be greater during isovolumic contraction (IVC) than ...
Stephens Elizabeth H - - 2009
Dilated cardiomyopathy (DCM) involves significant remodeling of the left ventricular-mitral valve (MV) complex, but little is known regarding the remodeling of the mitral leaflets. The aim of this study was to assess changes in matrix composition and turnover in MV leaflets with DCM. Radiopaque markers were implanted in 24 sheep ...
Shingu Yasushige - - 2009
BACKGROUND: Papillary muscle (PM) suspension concomitant with mitral annuloplasty and PM approximation (PMA) has been developed for functional mitral regurgitation (MR). In the present study, the early effect of PM suspension (PMS) on the postoperative mitral geometry and diastolic mitral tethering was investigated. METHODS AND RESULTS: Subjects were 22 patients ...
Oyama M A - - 2009
Neurohormonal systems play a critical role in canine degenerative mitral valve disease (DMVD). DMVD results in mitral regurgitation, which reduces forward cardiac output and increases intracardiac pressures. These changes trigger neurohormonal responses that ultimately result in maladaptive cardiac remodelling, congestion and heightened morbidity and mortality. Medical therapies such as ACE ...
O'Leary C A - - 2009
The hearts of 27 Bull Terriers and 6 control dogs were evaluated. Heart murmurs were auscultated in 14 (52%) Bull Terriers. At necropsy, 25 Bull Terriers (93%) had myxomatous degeneration of the mitral valve or abnormalities of the left ventricular outflow tract. Small vessel arteriosclerosis in the myocardium and fibrosis ...
Morris Andrew L - - 2009
A 63-year-old woman with hypertrophic obstructive cardiomyopathy developed rapidly progressive fatigue, shortness of breath and congestive heart failure. A transesophageal echocardiogram demonstrated ruptured chordae to the posterior mitral valve leaflet with severe mitral regurgitation. Mitral valve replacement eliminated the outflow gradient. Acute or subacute hemodynamic deterioration in a patient with ...
Yang Min-Jae - - 2009
A 69-year-old male presented with obstructive hypertrophic cardiomyopathy, mitral valve regurgitation, and myxomatous mitral valve prolapse. A spontaneous chordal rupture and acute severe mitral regurgitation resulted in abrupt clinical deterioration despite complete relief of severe left ventricular outflow tract obstruction and systolic anterior motion of the anterior mitral leaflet. The ...
Lai Yong-Qiang - - 2010
Edge-to-edge mitral valve plasty technique has been widely used to treat bileaflet prolapse. This procedure anchors the correspondence leaflets to create a double-orifice mitral valve. The original mitral valve anatomy is changed, and the opening of mitral valve is restricted. Little is known whether this procedure affects the left ventricular ...
Pande Shantanu - - 2009
Right ventricular function affects the outcome in valvular heart disease but less is known about the relation between indices of dysfunction and outcome. Seventy patients undergoing mitral valve replacement between April 2007 and April 2008 for predominant rheumatic mitral stenosis were included in the study. Two groups were formed based ...
Hobo Kyoko - - 2009
The development of left ventricular dysfunction is a serious complication of longstanding patent ductus arteriosus. An 80-year-old woman who underwent patent ductus arteriosus ligation 13 years previously developed congestive heart failure and mitral regurgitation. She underwent surgical repair with transpulmonary ductus closure and mitral valve annuloplasty under cardiopulmonary bypass. She ...
Yamada Takumi - - 2009
A 57-year-old man undergoing mitral valvoplasty underwent catheter ablation of symptomatic premature ventricular contractions (PVCs) with a right bundle branch block and right inferior axis QRS morphology. Left ventriculography revealed a normal left ventricular function and visualized the anatomical relationships between the left ventricular outflow tract and the mitral annuloplasty ...
Barmettler Reto - - 2009
To describe a case of a focal right ventricular rupture following removal of a rib-associated telangiectatic osteosarcoma (TOS) in a dog. A 2-year-old spayed female mixed-breed dog, weighing 20 kg, was presented in compensated hypovolemic shock due to active bleeding into the thoracic cavity. The dog was stabilized with appropriate ...
Delmo Walter Eva Maria B - - 2009
OBJECTIVE: Anatomic alterations of the mitral valve such as increased mitral leaflet area, length and laxity, and anterior displacement of the papillary muscles in hypertrophic obstructive cardiomyopathy predispose patients to residual systolic anterior motion and persistence of outflow obstruction and mitral regurgitation after septal myectomy. We investigate the long-term results ...
Lee Alex Pui-Wai - - 2009
BACKGROUND: Recurrent functional mitral regurgitation (MR) has been reported after mitral valve repair with annuloplasty in patients with dilated cardiomyopathy, but the mechanism is not understood completely. The authors sought to identify abnormalities of the mitral valve and left ventricle that are associated with recurrent MR after mitral annuloplasty. METHOD ...
Suri Rakesh M - - 2009
OBJECTIVE: Recovery of ventricular function after surgical correction of mitral regurgitation is often incomplete. We studied clinical and echocardiographic factors influencing return of normal left ventricular ejection fraction after mitral valve repair or replacement for mitral regurgitation caused by leaflet prolapse. METHODS: We evaluated 1063 patients who had mitral valve ...
Masroor Saqib - - 2009
BACKGROUND: Beating-heart valve surgery through a sternotomy has been used as an excellent myocardial protection strategy in high risk patients. Minimally invasive approaches have reduced the trauma and enhanced the recovery of patients undergoing heart surgery. We hypothesized that high-risk patients undergoing mitral valve surgery will benefit from a combination ...
Chan K M John - - 2009
Ischemic mitral regurgitation (IMR) is common after myocardial infarction. It results in a significantly increased risk of congestive heart failure and death. The assessment of these patients is challenging as IMR is a dynamic condition and varies in severity under different physiologic conditions, such as physical exertion and changes in ...
Glower Donald D - - 2009
BACKGROUND AND AIM OF THE STUDY: Pure annular dilation (PAD) is a recognized etiology of mitral regurgitation, yet few data exist to define the prognostic profile of this disorder relative to other etiologies, such as ischemia or myxomatous prolapse. METHODS: A total of 535 patients undergoing mitral repair at two ...
Atoui Rony - - 2009
Re-operative mitral valve surgery in patients with poor ventricular function can be challenging especially in the presence of patent bypass grafts. We report the case of 11 patients with severe ischemic cardiomyopathy who underwent reoperative mitral valve repair through a limited right thoracotomy approach, on a non-fibrillating beating heart. All ...
Itoh Akinobu - - 2009
The anterior leaflet of the mitral valve (MV), viewed traditionally as a passive membrane, is shown to be a highly active structure in the beating heart. Two types of leaflet contractile activity are demonstrated: 1) a brief twitch at the beginning of each beat (reflecting contraction of myocytes in the ...
Kasahara Hirofumi - - 2009
We present a rare case of a left ventricular pseudoaneurysm following mitral valve repair probably due to testing the valve's competence. The pseudoaneurysm was treated successfully with a sutureless technique in which layers of a biodegradable collagen system with fibrinogen-based coating were used. We reviewed the literature regarding left ventricular ...
Masuyama Shinji - - 2009
BACKGROUND AND AIM OF THE STUDY: Functional mitral regurgitation (FMR) with leaflet tethering is a serious complication related to dilated cardiomyopathy. Although FMR with mitral leaflet tethering can be improved by secondary chordal cutting, the technique may compromise valvular-ventricular interaction. The aim of chordal translocation (CT) is to maintain valvular-ventricular ...
Quill Jason L - - 2009
OBJECTIVE: The aims of this work were to employ functional imaging capabilities of the Visible Heart laboratory and endoscopic visualization of mitral valves in perfusion-fixed specimens to better characterize variability in mitral valve leaflet anatomy and to provide a method to classify mitral leaflets that varies from the current nomenclature. ...
Myrmel Truls - - 2009
During the last three decades, the most prevalent surgical mitral valve disease in Scandinavia has changed from the sequelae of rheumatic fever to the mitral valve pathologies related to ischemic heart disease. Also, the total number of patients in need of a mitral valve procedure is increasing. For several of ...
Araji Omar A - - 2009
We present a case of acute endocarditis due to enterococcus faecalis involving partially A2 and completely A3 (Carpentier classification) with destruction of the free margin of the mitral valve. Repair was performed by using glutaraldehyde treated porcine pericardium to replace the defect and neochordae of polytetrafluoroethylene sutured to the free ...
Pagel Paul S - - 2009
A 57-year-old patient presented with a long history of minimally symptomatic mitral valve prolapse (MVP). The patient eventually developed severe mitral regurgitation (MR) and clinical evidence of congestive heart failure over 10 years duration before admission. He described a 34-year history of MVP. A transesophageal echocardiography examination demonstrated left atrial ...
Omae Takeshi - - 2009
We report a patient in whom severe hemodynamic instability occurring after mitral valvoplasty (MVP) was successfully treated with cibenzoline. Left ventricular outflow tract obstruction (LVOTO) with mitral regurgitation (MR) resulting from the systolic anterior motion (SAM) of the mitral valve that occurs after MVP often leads to hemodynamic collapse. Patients ...
Sersar S I - - 2009
We report the case of a 41 years old woman who presented with massive bleeding after redo mitral valve replacement. A Left ventricular rupture, different from the three known types of wall rupture was hardly identified and controlled with extreme difficulty. The patient died eight days postoperatively due to disseminated ...
Kim Hyung-Kwan - - 2009
BACKGROUND: The pressure half-time (PHT) method has been widely used to estimate mitral valve area (MVA) in patients with mitral stenosis (MS), in the belief that this simple method provides reliable information on true MVA. However, its limitation has been repeatedly recognized under different circumstances. The aim of this study ...
Aessopos Athanasios - - 2009
Heart disease is the leading cause of mortality and one of the main causes of morbidity in beta-thalassemia. Patients with homozygous thalassemia may have either a severe phenotype which is usually transfusion dependent or a milder form that is thalassemia intermedia. The two main factors that determine cardiac disease in ...
Muresian Horia - - 2009
As a result of the numerous clinical and surgical data accumulated so far, the classical image of the mitral valve-a bicuspid valve, with two leaflets and two papillary muscles-undergoes significant modifications. The valve, included into the larger concept of the mitral valvular complex unveils numerous important valences and characteristics, among ...
Anderson Robert H - - 2009
The essence of anatomic description is to account for structures as they lie within the body as viewed in the so-called anatomic position. This important basic principle of gross anatomy has been ignored for years by those describing the relationships of structures within the heart, these cardiac components usually being ...
Miura Takashi - - 2009
PURPOSE: Residual mitral regurgitation (MR) is a risk factor of reoperation. Here we report the midterm results of mitral valve repair for degenerative disease with mitral valve prolapse and identify important factors for durable repair. METHODS: From April 1999 to September 2007, 116 patients with leaflet prolapse (59 men; mean ...
Baba Shiro - - 2009
We treated a 10 year 11 month old girl with severe mitral valve regurgitation, stenosis and dilated cardiomyopathy, presented with New York Heart Association (NYHA) functional classification IV. She acutely developed cardiogenic shock with a dyskinetic anterior-septal left ventricle and entered a shock state during our consultation about heart transplantation. ...
Wang Xing-Xiang - - 2009
A 24-year-old woman admitted with mild chest distress associated with activity without chest complaint for twenty days. Two orifices were visible at the level of the mitral valve with a transthoracic short-axis view of the two-dimensional and three-dimensional echocardiography. The left ventricle was mildly dilatated and the left ventricular wall ...
Rukosujew Andreas - - 2009
Secondary mitral insufficiency (SMI) is an indicator of a poor prognosis in patients with ischemic and dilated cardiomyopathies. Numerous studies corroborated that mitral valve (MV) surgery improves survival and may be an alternative to heart transplantation in this group of patients.The aim of the study was to retrospectively analyze the ...
Micovic Slobodan - - 2008
OBJECTIVE: Mitral incompetence is a chronic sequela of myocardial infarction. It is caused by apical displacement and tethering of the mitral valve leaflets after myocardial infarction, resulting in incomplete coaptation. The consensus is for mitral valve surgery in the presence of significant ischemic mitral regurgitation (IMR). Previously, the only option ...
Caciolli Sabina - - 2008
A rare case of a 14-year-old child with congenital mitral insufficiency secondary to hypoplasia of the posterior leaflet is reported. Echocardiography revealed the almost complete absence of the posterior mitral leaflet, which determined massive regurgitation. At surgical inspection the posterior leaflet was almost completely absent, represented only by tags of ...
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