Search Results
Results 401 - 450 of 913
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Need L R - - 2000
OBJECTIVES: This study sought to determine the diagnostic accuracy and impact of the systematic use of coronary echocardiography in a large group of preoperative patients with tetralogy of Fallot (TOF). BACKGROUND: Accurate preoperative identification of an anomalous coronary artery crossing the right ventricular outflow tract (RVOT) in patients with TOF ...
Gilljam T - - 2000
OBJECTIVES: We determined long-term outcomes in a large cohort with left atrial isomerism (LAI). BACKGROUND: Left atrial isomerism is associated with a complex spectrum of cardiac and noncardiac anomalies that may impact on outcomes. METHODS: The records of all patients with LAI, born between 1970 and 1998, and treated at ...
Frescura C - - 2000
The essence of the Ebstein's malformation is that the tricuspid valve leaflets do not attach normally to the valve annulus, and the effective orifice is displaced downward into the right ventricular cavity at the junction of the inlet and trabecular components of the right ventricle. Only the septal and posterior ...
Oechslin E - - 2000
A systematic approach and segmental analysis are required for comprehensive assessment including both morphologic and functional abnormalities associated with Ebstein's anomaly. The essence of the disease is an apical displacement of both the septal and the posterior tricuspid leaflets, exceeding 20 mm or 8 mm/m2 in adults. As a consequence, ...
Carrel T - - 2000
One of the most serious late complications of the intraatrial baffle procedure (Mustard or Senning correction) in patients suffering from transposition of the great arteries, (TGA) is the late systemic right ventricular failure. Nearly all patients presenting with right ventricular dysfunction have severe associated tricuspid regurgitation. The surgical options for ...
Oechslin E - - 2000
The atrial switch procedure dramatically improved the prognosis of children with complete transposition of the great arteries (TGA). Overall actuarial survival was approximately 75% after 25 years and was better in patients with simple TGA than in those with complex TGA. Mortality by any cause (16%) and cardiovascular mortality (12% ...
Julsrud P R - - 2000
The modified Fontan procedure has gained wide acceptance in the treatment of various congenital heart defects. Determination of risk factors for mortality remains an important issue for optimizing patient selection for the Fontan procedure. Conflicting results have been reported about whether ventricular morphology is a risk factor in these patients. ...
Chauvaud S - - 2000
Ebstein's malformation can be defined as an anomaly of the tricuspid valve existing in the setting of a right ventricular dysfunction. The technique introduced by Carpentier in 1980 is based on the concept of mobilization of the restrictive anterosuperior leaflet associated with a longitudinal plication of the inlet component of ...
Graham T P TP - - 2000
OBJECTIVES: The purpose of this study was to determine long-term outcome in adults with congenitally corrected transposition of the great arteries (CCTGA), with particular emphasis on systemic ventricular dysfunction and congestive heart failure (CHF). BACKGROUND: Patients with CCTGA have the anatomical right ventricle as their systemic pumping chamber, with ventricular ...
Mukherjee D - - 2000
Chronic tricuspid regurgitation (TR) may lead to impairment in right ventricular (RV) function. Whether surgical correction results in restoration of normal RV geometry and function is unknown. The purpose of this study was to determine whether surgical correction of TR results in improved RV geometry and function. Measurements of RV ...
Wolman I - - 2000
OBJECTIVE: The aim of our study was to evaluate whether intracardiac echogenic foci (ICEFs) may be associated with increased risk for structural cardiac anomalies in the low-risk population. METHODS: During a 24-month period, 3,744 low-risk patients were prospectively screened for ICEFs by prenatal sonography. The study group was composed of ...
Goldberg L. - - 2000
This case report describes a patient who presented with left middle cerebral artery infarction and was found to have a systolic right-to-left shunt across a patent foramen ovale. These features were secondary to severe acquired tricuspid regurgitation.
Rein A J - - 2000
INTRODUCTION: The normal coronary sinus drains venous blood from the cardiac veins to the right atrium. In some instances, the coronary sinus may be dilated due to volume or more rarely pressure overload. AIMS: To assess the feasibility of detecting the coronary sinus in the fetus and to establish the ...
Therrien J J Cardiac Department, Royal Brompton and Harefield Trust and National Heart and Lung Institute, Imperial College, London, - - 2000
To assess right ventricular function in adults and children with Ebstein's anomaly. Prospective study. Tertiary referral centre. Fifteen patients (8 adults and 7 children) with Ebstein's anomaly and 14 healthy controls. Transthoracic echocardiography was performed in all. Right ventricular function was assessed from long axis M-mode recordings of the right ...
Kangavari S - - 2000
A patient developed fever, chills, and shortness of breath after an elective first trimester dilation and curettage. Blood cultures grew Group B streptococcus, and a transesophageal echocardiogram revealed a 2 x 2 cm vegetation on the tricuspid valve and global left ventricular hypokinesis. A 6-week course of parenteral antibiotics and ...
Alam M - - 2000
BACKGROUND: Unlike left ventricular function, right ventricular (RV) function has not been widely studied after a myocardial infarction (MI). The current study describes RV function determined by tricuspid annular motion and tricuspid annular velocity after MI. METHODS AND RESULTS: Thirty-eight patients with a first acute inferior MI were prospectively compared ...
Mishima A - - 2000
OBJECTIVES: The right heart function of the patients with pulmonary atresia and intact ventricular septum was assessed periodically during the process of staged biventricular repair, and the implications for its long-term outcome were analyzed. SUBJECTS AND METHODS: During the period from 1971 to 1990, 21 neonates or infants with pulmonary ...
D'Cruz I A - - 2000
The coronary sinus (CS) is a small tubular structure just above the posterior left atrioventricular junction. The CS can be imaged in several different echocardiographic views. Using zoom M-mode recordings of the CS in apical two-chamber view, CS caliber can be sharply imaged and easily measured during different phases of ...
Girard S E - - 2000
The management of patients with severe tricuspid regurgitation (TR) requires the clinician to clarify the mechanism of regurgitation. Primary disorders of the tricuspid valve, either congenital or acquired, may be readily identified by echocardiography. Severe TR most often results from left-sided heart disease and secondary pulmonary hypertension. Cardiomyopathic processes may ...
Devine W A - - 2000
Our aim is to examine the types of cardiac malformations found in a population of children undergoing cardiac transplantation, and to discuss a method for examining cardiac explants based on intrinsic morphology. We describe in detail the congenital malformations found in 65 cardiac explants acquired from a population of children ...
Acar P - - 2000
BACKGROUND: In patients with tricuspid atresia palliated by construction of a total cavopulmonary connection, both pulmonary and systemic circulations depend on the performance of the dominant left ventricle. When estimating the volume of such ventricles using cross-sectional echocardiography, it is necessary to make assumptions concerning the geometry of the ventricular ...
Rudolph A M - - 2000
Perinatal changes in myocardial growth have recently evoked considerable interest with regard to cardiac chamber development with congenital cardiac lesions and to myocardial development in preterm infants. It is suggested that cardiac chamber development is influenced by blood flow. Experimental pulmonary stenosis in fetal lambs may induce either greatly reduced ...
Kalimi R - - 2000
Congenital anomalies of the aortic valve can be associated with other cardiac anomalies. In this report, we present a patient with an aortic valve anomaly associated with occlusion of left coronary ostia. In addition, we reviewed the literature and found 10 similar cases. Although compatible with life, this anomaly can ...
Daebritz S H - - 2000
OBJECTIVE: We compared the Norwood stage I operation for hypoplastic left heart syndrome and other complex malformations with ductus-dependent systemic circulation. METHODS: A retrospective study of 194 patients who underwent a Norwood stage I palliation between 1990 and 1998 was conducted. Malformations in 131 patients were classified as hypoplastic left ...
Dore A - - 2000
BACKGROUND: The right ventricle, when incorporated in the Fontan circulation, might enlarge and function as a pump to the pulmonary circulation. Experience has shown that over the long-term, this operation can be associated with major difficulties. METHODS: The late results, (13+/-6 years) after right atrioventricular connection as a Fontan modification, ...
Jahangiri M - - 1999
OBJECTIVE: Late outcome of neonatal pulmonary atresia with intact ventricular septum remains poor in most reported series. We have followed a selective approach toward either single ventricle repair versus complete or partial biventricular repair based on the presence of right ventricle-dependent coronary circulation and growth of the right ventricle. METHODS: ...
Pessotto R - - 1999
BACKGROUND: Straddling tricuspid valve, despite extensive investigation, remains an incompletely understood form of complex congenital heart disease. METHODS: A morphometric study of 19 postmortem cases of straddling tricuspid valve was performed, and the results were compared with 32 normal control heart specimens. RESULTS: In straddling tricuspid valve, marked malalignment of ...
Maeno Y - - 1999
BACKGROUND: Prenatal echocardiography has shown evidence of prenatal development of congenital heart disease. Prenatal cardiac anatomy, chamber size and function change during gestation, so that the appearance of cardiac structure in abnormal hearts may be different from that which is usually seen postnatally. METHODS: Published prenatal echocardiographic studies were reviewed ...
Younoszai AK - - 1999
Ebstein's malformation of the tricuspid valve is a complex and heterogeneous disorder that has diverse hemodynamic and arrhythmic manifestations. Hemodynamic dysfunction is due to valvar regurgitation and decreased pulmonary blood flow, varying in severity from mild tricuspid insufficiency to severe dysplasia of the right ventricle without forward flow. Atrioventricular reentrant ...
Zimand S - - 1999
Left superior vena cava (LSVC) to the left atrium is a rare congenital cardiac complex, which may appear as an isolated anomaly, or as part of more complex cardiac anomalies. Traditionally, an intraatrial baffle was the preferred surgical technique. Although this technique has proved reliable and successful, acute ligation and ...
Huang F - - 1999
OBJECTIVE: To report our initial experience of the first 5 cases of partial left ventriculectomy (PLV or Batista operation), a new surgical therapy for treatment of end-stage dilated cardiomyopathy in China. METHODS: From April to August 1998, 5 patients with idiopathic dilated cardiomyopathy received PLV at Anzhen Hospital. The mean ...
Wang J K - - 1999
The results of transcatheter valvotomy in pulmonary atresia with intact ventricular septum (PA-IVS) patients are presented with an attempt to identify the predictive factors for pulmonary valvotomy alone as definitive treatment. Between June 1995 and December 1997, 14 PA-IVS neonates with tripartite right ventricle underwent an attempted pulmonary valvotomy. For ...
Sugimoto T - - 1999
Eight patients undergoing tricuspid valve replacement (TVR) for severe tricuspid regurgitation (TR) without stenosis were subjected to the study. Four patients had primary TR due to trauma, infective endocarditis, or Ebstein's anomaly, and the other 4 had secondary TR associated with mitral valve lesions. The right heart pressure as well ...
Aziz T M - - 1999
BACKGROUND: Tricuspid regurgitation (TR) may occur following orthotopic heart transplantation (OHT) and although a number of etiological factors have been suggested, the relative contribution of each of these remains to be elucidated. We aimed to assess the risk factors for TR in our 10-year experience of orthotopic heart transplantation (OHT). ...
Conte S - - 1999
Classic Fontan procedures, such as atriopulmonary connection or atrioventricular connection, are associated with right atrial dilatation and several late complications. Seven patients with univentricular heart who presented with exercise intolerance (n = 7), severely dilated right atrium (n = 7) with pulmonary vein compression (n = 3), atrial arrhythmias resistant ...
Staab M E - - 1999
BACKGROUND AND AIMS OF THE STUDY: Patients with symptoms of right heart failure due to severe tricuspid regurgitation following a prior operation on left heart valves present a difficult problem. The outcome of tricuspid surgery in this setting is not well defined. We describe a single-center experience of isolated tricuspid ...
Hsieh W H - - 1999
BACKGROUND: Early treatment for the neonate with pulmonary atresia and intact ventricular septum (PA-IVS) is important if a high mortality rate is to be avoided. The treatment includes prostaglandin administration, balloon atrial septostomy, pulmonary valvotomy, a shunting procedure and patch repair for the right ventricular outflow tract (RVOT). This study ...
Reynertson S I - - 1999
BACKGROUND: Analysis of right ventricular adaptation to tricuspid regurgitation was studied in 10 heart transplant recipients following inadvertent endomyocardial biopsy disruption of the tricuspid apparatus. METHODS AND RESULTS: Echocardiography demonstrated progressive diastolic right ventricular cavity enlargement (19.5+/-5.0 to 30.3+/-5.4 cm(2), P<0.0002), with disproportionate elongation along the midminor axis (3.5+/-0.6 to ...
Aziz T - - 1999
OBJECTIVE: The aim of this study was to compare the medium-term results of right heart pressures, tricuspid valve dysfunction, overall cardiac performance, and survival between the bicaval and standard techniques. METHOD: Between 1991 and 1997, 201 heart transplantations were performed in our center. Right heart catheterization was performed up to ...
Alva C - - 1999
OBJECTIVE: Our goal was to establish the morphologic nature of the obstructive muscular lesions in double-chambered right ventricle. METHODS: We based our morphologic observations on 10 normal hearts and on the surgical findings in 26 patients, aged 0.5 to 24 years, with a mean of 6.9 years (SD 5.8 years). ...
Yeh T T - - 1999
OBJECTIVE: The conventional management of patients with atrioventricular discordance is directed at associated lesions, taking advantage of physiologic "correction"; however, the morphologic right ventricle and tricuspid valve support the systemic circulation. Questions surrounding survival using this approach led us to analyze our institutional results. METHODS: All patients with atrioventricular discordance ...
Assayag P - - 1999
Traumatic lesions of the tricuspid valve complicating pacemaker lead extractions appear to be rare. We report two cases of partial rupture of the tricuspid valve, following apparently uneventful extraction of permanent ventricular leads, resulting in severe regurgitation and, in one case, chronic heart failure. TEE was useful to identify the ...
Alva C - - 1999
OBJECTIVE: To evaluate the feasibility of anatomical correction based on morphological and echocardiographic findings in patients and preserved hearts with discordant atrioventricular connections. DESIGN: A retrospective study with clinicomorphological correlations to assess potential contraindications for anatomical correction in the setting of discordant atrioventricular connections. SETTING: A tertiary referral centre for ...
Uemura H - - 1999
BACKGROUND: Knowledge of the precise anatomy can be advantageous when striving to improve surgical results in patients with visceral heterotaxy. METHODS: We studied the ventricular mass, and its coronary arterial supply, in 125 specimens with isomeric right and 58 with isomeric left appendages. RESULTS: The situation in which each atrium ...
Kreutzer C - - 1999
OBJECTIVE: This article presents a 10-year experience with one and a half ventricle repair for right ventricular hypoplasia or dysfunction. METHODS: From November 1986 to December 1996, 30 patients (mean age 6.7 +/- 8.5 years, range 4 months-40 years) with functionally abnormal right ventricles underwent a bidirectional Glenn shunt as ...
Leung M P - - 1999
The aim of the study was to provide logical steps, alternative to the sequential chamber analysis, for diagnosing major congenital heart malformation prenatally. Between 1988 and 1995, of the 14,885 high-risk pregnancies screened at the Departments of Obstetrics and Paediatric Cardiology, University of Hong Kong, 92 fetuses with major congenital ...
Baron M G - - 1999
Congenital cardiac lesions in the adult have characteristic roentgen patterns that should be recognized by the radiologist. In other instances, abnormalities in the aorta or the position of the organs can indicate the likelihood of associated cardiac anomalies. An increasing number of congenital cardiac patients are surviving into adult life ...
Sugimoto T - - 1999
OBJECTIVES: The aim of this study was to characterize differences in the long-term effects of treatment for functional tricuspid regurgitation based on the primary cardiac lesion. METHODS: Ninety-six patients with valvular heart disease and 32 patients with atrial septal defects associated with tricuspid regurgitation were studied. The tricuspid annular diameter ...
Sanchez-Quintana D - - 1999
OBJECTIVE: To compare the atrial and ventricular myoarchitecture in the normal heart and the heart with tricuspid atresia, and to investigate changes in the three dimensional arrangement of collagen fibrils. METHODS: Blunt dissection and cell maceration with scanning electron microscopy were used to study the architecture of the atrial and ...
Rostagno C - - 1999
Left-sided partial anomalous pulmonary venous return (PAPVR) with an intact atrial septum is a rare cardiovascular anomaly. This report deals with the case of a 22-year-old woman who was referred to our Institution because of resting palpitation and exertional dyspnea. Two-dimensional echocardiography revealed right heart volume overload and a dilated ...
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