Search Results
Results 651 - 700 of 1299
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McMahon C J - - 2002
To investigate the natural history of secundum atrial septal defects (ASDs) over several years using serial echocardiographic studies. All patients with isolated secundum ASDs who had serial transthoracic echocardiograms at Texas Children's Hospital, Houston, Texas, from January 1991 to December 1998 were identified. Patients with fenestrated or multiple ASDs, other ...
Rutledge J M - - 2002
Congenitally corrected transposition of the great arteries (ccTGA) is a rare disorder with reduced survival that is influenced by the presence of associated anomalies, tricuspid regurgitation (TR), and right ventricular (RV) function. The double switch procedure has been proposed as an aggressive surgical approach in selected patients. We sought to ...
Ilbawi Michel N - - 2002
BACKGROUND: Anatomic repair of congenitally corrected transposition of the great arteries has several advantages over the traditional approach but lacks long-term evaluation. METHODS: The data on 12 patients who had the procedure between January 1989 and June 2000 were retrospectively reviewed. Associated lesions included ventricular septal defect in 12 patients, ...
Atik Edmar - - 2002
OBJECTIVE: To compare immediate and late results in patients with or without fenestration who underwent cavopulmonary anastomosis so that we could assess the efficiency of the technique. METHODS: Sixty-two patients underwent surgery between 1988 and 1999, 41 with fenestration (group I -G I) and 21 without fenestration (group II -G ...
Gaynor J William - - 2002
OBJECTIVE: This study was undertaken to evaluate factors contributing to a decrease in early mortality and morbidity after the Fontan procedure between January 1, 1992, and December 31, 1999. METHODS: Outcomes evaluated were early survival, duration of pleural effusions, and duration of hospitalization. Potential predictors evaluated included anatomic diagnosis, presence ...
Du Zhong-Dong - - 2002
Closure of patent foramen ovale (PFO) has been proposed as an alternative to anticoagulation in patients with presumed paradoxical emboli. We report our preliminary intermediate results of patients who underwent transcatheter PFO closure for paradoxical embolism using DAS-Angel Wings occluder or Amplatzer devices. Eighteen patients (8 male/10 female) underwent catheter ...
Durongpisitkul K - - 2002
Our study reports the results of a comparison of closure of atrial septal defect (ASD) surgically with transcatheter closure using the Amplatzer septal occluder. Patients having an ASD and a surgical closure or transcatheter closure between January 1999 and July 2000 were selected. There were 103 patients who had ASD. ...
Cannom David S - - 2002
The implantable cardioverter defibrillator (ICD) has been in clinical use for 20 years and its clinical role is becoming increasingly clear. A number of well-designed trials demonstrated its effectiveness in high-risk patients who have already experienced a malignant arrhythmia. A more controversial role for the ICD is in patients who ...
Kong Xiangqing - - 2002
OBJECTIVE: To evaluate the safety and efficacy of the Amplatzer septal occluder for transcatheter closure in patients with secundum atrial septal defect (ASD II). METHODS: Patients with clinically confirmed ASD II were recommended for transcatheter closure of ASD II. RESULTS: 30 ASD II patients (20 females) underwent transcatheter closure at ...
Lange R - - 2001
OBJECTIVES: Congenital cardiac malformations are usually corrected in the neonatal period or in early infancy. Corrective surgery may not always be definitive, especially in complex malformations. Long-term morbidity is influenced by reoperations and their risk. METHODS: This study analyzes our single-center experience over more than 20 years in a selected ...
Dudarev Igor V. - - 2001
Twenty six patients with tetralogy of Fallot at the age from 1 to 3 years old were examined. All examined patients required surgical correction of heart defect and were operated under conditions of artificial circulation. All patients were in a status of relative compensation or subcompensation. The level of a ...
Azakie A - - 2001
OBJECTIVE: To compare outcomes of extracardiac conduit and lateral tunnel Fontan connections in a single institution over a concurrent time period. METHODS: Between January 1994 and September 1998, 60 extracardiac conduit and 47 lateral tunnel total cavopulmonary connections were performed. Age, sex, and weight did not differ between the 2 ...
Tamalet A - - 2001
BACKGROUND: Ciliary ultrastructural defects with total lack of dynein arms (DA) cause abnormal mucociliary function leading to the chronic infections observed in primary ciliary dyskinesia. The role of partial ciliary ultrastructural defects, especially those involving the central complex, and their relationship with respiratory symptoms have been less thoroughly investigated. OBJECTIVE: ...
Hachiro Y - - 2001
BACKGROUND: We reviewed the outcomes of double-chambered right ventricle repair. METHODS: Between 1969 and 1998, 40 patients underwent surgical repair of a double-chamber right ventricle. The patients ranged in age from 3 months to 52 years (mean, 12.8 +/- 11.6 years). Right ventricular outflow tract pressure gradients were from 20 ...
Chang C C - - 2001
In pediatric patients cardiac pacing has been traditionally carried out by the epicardial approach in Taiwan. This study was to define the long-term results of transvenous endocardial pacemaker therapy in growing children. From 1994 to 1997, patients with sympatomatic bradycardia referred for permanent pacemaker were enrolled. Permanent pacemaker was implanted ...
Brown J W - - 2001
BACKGROUND: The objective of this study was to review our surgical strategy in children with double outlet right ventricle and to assess risk factors for early and late mortality and reoperation. METHODS: Patients (n = 124; June 1980 to January 2000; age range, 7 days to 16 years; mean, 2.8 ...
Mavroudis C - - 2001
OBJECTIVES: Hemodynamic abnormalities and refractory atrial arrhythmias in patients late after the Fontan operation result in significant morbidity and mortality. We review our experience with conversion to total cavopulmonary artery connections and arrhythmia surgery. METHODS: Between 1994 and 2001, 40 patients underwent Fontan conversion and arrhythmia surgery. Significant hemodynamic lesions ...
Abdel-Rahman U - - 2001
BACKGROUND: Minimally invasive surgical techniques in pediatric cardiac surgery have evolved throughout the last 10 years. Advantages of minimally invasive procedures include excellent cosmetic results and superior postoperative outcome. However, safety of minimally invasive techniques has to be proven. METHODS: In 21 female infants and children, a right anterolateral thoracotomy ...
Fischer G - - 2001
AIM: To evaluate whether transcatheter closure with the Amplatzer duct occluder offers an alternative to surgical treatment in infants with a persistent ductus arteriosus. METHODS: 12 patients under 1 year of age (age 1-11 months, body weight 2.6-8.7 kg) with clinical and echocardiographic findings of a significant duct were considered ...
Kanter K R - - 2001
BACKGROUND: Significant tricuspid valve regurgitation (TR) occurs with other congenital heart defects, typically after repair of right-sided obstructive lesions. Since 1991, we applied the De Vega tricuspid annuloplasty technique for TR in children. METHODS: Forty-one children, aged 5 months to 22.7 years (mean, 9.9 years) underwent 42 De Vega tricuspid ...
Losay J - - 2001
BACKGROUND: Early and midterm results of the arterial switch operation (ASO) in transposition of the great arteries (TGA) are good, but late outcome data in large populations are still few. METHODS AND RESULTS: Twelve hundred patients had an ASO for TGA between 1982 and 1999, with prospective follow-up of 1095 ...
Forbess J M - - 2001
BACKGROUND: Previous studies of patients after the Fontan operation have reported IQ scores lower than population norms. In the past decade, changes have occurred both in surgical methods used and in the patient population undergoing Fontan palliation. The present study examined the impact of these changes on neurodevelopmental outcomes after ...
Veldtman G R - - 2001
Tertiary adult congenital cardiac referral centre. Retrospective cross sectional analysis. To report our 20 year experience with adult Fontan operations, and to compare late outcome in patients with single ventricle with definitive aortopulmonary or cavopulmonary shunt palliation. Patients older than 18 years undergoing Fontan operation between 1 January 1982 and ...
Kelly A M - - 2001
OBJECTIVE: To determine whether children with pallid breath-holding spells associated with bradycardia can be treated safely and successfully with permanent pacemaker implantation. METHODS: The records of pediatric patients who had apparent breath-holding spells and associated bradycardia and were treated with permanent pacemaker implantation were reviewed. RESULTS: Ten pediatric patients with ...
Rueda F - - 2001
We report the successful use of the Amplatzer duct occluder for the delayed closure of the fenestration in three patients who underwent an extracardiac modified Fontan procedure. At the moment of closure, the patients were 5.5, 2.7, and 3 years old (29 months, 3 months, and 14 months after the ...
Biliciler-Denktas G - - 2001
OBJECTIVES: The purpose of this study was to determine the early and late results for children having operations for defects associated with corrected transposition of the great arteries and other anomalies with atrioventricular discordance. METHODS: Data on 111 children operated on from July 1, 1971, through January 31, 1996, including ...
Danton M H - - 2001
OBJECTIVE: In repair of truncus arteriosus the accepted methods of establishing right ventricle (RV) to pulmonary artery (PA) continuity utilize an allograft or xenograft valved conduit. Alternatively, the PA confluence may be directly anastomosed to the RV with anterior patch augmentation, which may allow growth and delay or avoid subsequent ...
Verma P K - - 2001
BACKGROUND: The AutoCapture algorithm as implemented in Regency and Microny pacemakers (Pacesetter Inc., Sylmar, CA, USA) provides beat-by-beat monitoring of capture based on proper detection of the evoked response, provides high output back-up pulse when loss of capture occurs, performs periodic threshold evaluations and acquires the capture threshold data in ...
Bacha E A - - 2001
OBJECTIVE: Early primary repair of tetralogy of Fallot has been routinely performed at Children's Hospital, Boston, since 1972. We evaluated the long-term outcome of this treatment strategy including the influence of a transannular patch. METHODS: Fifty-seven patients less than 24 months of age (median 8 months) underwent primary repair of ...
Lee C H - - 2001
Amplatzer septal occluder (AGA Med. Co., USA) is a novel device for occlusion of atrial septal defect. We present our experience of transcatheter closure of atrial septal defects using Amplatzer septal occluder in 45 adult Chinese patients (age range 18-69 years). The size of atrial septal defect varied from 14-28 ...
M HASHEMI; Department of ...
Introduction. Familial hypertrophic cardiomyopathy (HCM) occurs as an autosomal dominant mendelian inherited disease in about 50 percent cases. abstractive and nonobstractive were two forms of HCM. The most common treatment modalities include drug therapy, mitral valve replacement, installation of dual chamber DD pacemaker and surgical excision of a portion of ...
Ferguson J D - - 2001
Temporary DDD pacing offers significant hemodynamic benefits in emergency management of bradyarrhythmias but is underused because of its complexity (two leads) and unreliability. Single lead VDD pacing with atrial sensing via a floating dipole is feasible, but atrial pacing is limited by high thresholds and phrenic nerve stimulation (PNS). Overlapping ...
Freedberg N A - - 2001
OBJECTIVES: The purpose of this study was to investigate whether clinical or electrophysiologic characteristics could predict initial and subsequent implantable cardioverter defibrillator (ICD) therapy. BACKGROUND: Identification of markers to predict subsequent ICD therapy and symptoms after the first event could affect patient management. METHODS: We analyzed baseline and follow-up data ...
Hokanson J S - - 2001
We evaluated the long-term outcome and incidence of sudden death in the 288 patients discharged after corrective operation for tetralogy of Fallot at the University of Minnesota between 1954 and 1974. The perioperative characteristics of these patients were evaluated with respect to their long-term outcome. A health status survey was ...
Warinsirikul W - - 2001
BACKGROUND: Cardiopulmonary bypass has adverse effects on patient physiology. A prospective randomized trial was undertaken to evaluate closure of atrial septal defects with or without cardiopulmonary bypass. METHODS: Between August 1997 and March 2000, 150 patients with ostium secundum atrial septal defects were enrolled. Patients were randomized for repair without ...
Donti A - - 2001
BACKGROUND: The aim of this study was to verify if surgery is beneficial for patients older than 50 years. METHODS: Sixty-five patients older than 50 years were operated for a secundum atrial septal defect between November 1974 and November 1998. Preoperative data were obtained from hospital records; postoperative data from ...
Carminati M - - 2001
The STARFlex (SF) device is a CardioSEAL (CS) double-umbrella device that has been modified by the addition of a self-centering mechanism comprised of nitinol springs connected between the two umbrellas and a flexible core wire with a pin-pivoting connection. This paper compares the results of atrial septal defect (ASD) closure ...
Lange R - - 2001
BACKGROUND: We compared the long-term durability of allografts and xenografts implanted for reconstruction of the right ventricular outflow tract. METHODS: A total of 401 patients were studied from January 1974 to June 2000 (145 xeno- and 256 allografts), follow-up being 98% complete. We analyzed freedom from reoperation and allograft specific ...
Navabi Shirazi M A - - 2001
The objective of this study was to compare early postoperative results in primary vs 2-stage repair of tetralogy of Fallot in patients operated on after 5 years of age. Eighty-four patients with tetralogy of Fallot were studied, who were more than 5 years of age and who were repaired in ...
Weber H S - - 2001
The occurrence of supradiaphragmatic decompressing venous collateral channels following construction of a bidirectional cavopulmonary connection or completion of the Fontan operation resulting in abnormal systemic hypoxemia has been infrequently described. In addition, the incidence and predictors of these channels have not been well delineated, especially in those patients without formation ...
Fraser C D CD - - 2001
BACKGROUND: Over the past four decades, the surgical trend has been toward early, complete repair of tetralogy of Fallot (TOF). Many centers currently promote all neonates for total correction irrespective of anatomy and symptoms, with some surgeons advocating hypothermic circulatory arrest for repair in small infants. We believe this approach ...
Azakie A - - 2001
BACKGROUND: Outcomes of the Fontan operation in children initially palliated with the modified Norwood procedure are incompletely defined. METHODS: From August 1993 to January 2000, 45 patients (mean age 2.6 +/- 1.1 years, weight 12.7 +/- 2.8 kg) who were palliated with staged Norwood procedures (hypoplastic left heart syndrome, n ...
Pass R H - - 2001
BACKGROUND: The two major surgical approaches to the relief of bulboventricular foramen (BVF) obstruction in patients with single left ventricle (LV) are the Damus-Kaye-Stansel (DKS) procedure or direct BVF resection. Theoretical advantages of the DKS include better out-flow gradient relief, lower potential incidences of postoperative heart block and lower incidences ...
Jahangiri M - - 2001
BACKGROUND: We set out to examine the long-term results of relief of subaortic stenosis by enlargement of ventricular septal defect in patients with univentricular atrioventricular connection to a dominant left ventricle and discordant ventriculoarterial connections. METHODS: Twenty-four patients underwent enlargement of ventricular septal defect between 1985 and 1998 at a ...
Gaynor J W - - 2001
OBJECTIVES: Detachment of the septal leaflet of the tricuspid valve from the annulus (TVD) has been used to improve visualization of ventricular septal defects (VSDs), but may be associated with increased operative time, heart block, and the development of tricuspid regurgitation (TR). METHODS: Patients undergoing VSD closure between 1/1/96 and ...
Kaulitz R - - 2001
Data on long-term follow-up for closure of so-called secundum type" atrial septal defects within the oval fossa using recently developed devices are limited, and results focused on presence of residual shunting. The purpose of our study was to report the experience from a single center establishing the effectiveness of transcatheter ...
Harrison D A - - 2001
We determined the prevalence of sustained atrial tachyarrhythmia (AT) in adults late after repair of tetralogy of Fallot (ToF) and examined its impact on subsequent heart failure, reoperation, and mortality. Ventricular arrhythmias are associated with increased morbidity and mortality in patients with repair of ToF. The clinical impact of AT ...
Schuchert A - - 2001
Automatic threshold tracking in cardiac pacemakers allows ventricular capture verification and self-adaptive pacing output regulation. The Autocapture algorithm detects the evoked response (ER) signal immediately after the pacing pulse to verify the efficacy of ventricular pacing. Before hospital delivery, the ER sensitivity must be programmed individually so that the pacemaker ...
Omeish A - - 2001
We are reporting the worldwide experience in closing atrial septal defects (ASDs) in children and adults using the Amplatzer Septal Occluder (ASO) as of July 2000. The outcome measures were safety and efficacy with special emphasis on: (1) immediate success of the ASD closure as measured by transesophageal echocardiography (TEE), ...
Scherer M - - 2001
The resistance of a pacing lead negatively correlates to current consumption. A prospective, randomized trial was conducted to evaluate the effect of a high impedance ventricular lead (CapSure Z) on generator longevity compared to a conventional lead (CapSure SP) eighty-nine patients were included in the study (51 male, 37 female, ...
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