Search Results
Results 401 - 450 of 1308
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Kreuz Jens - - 2007
BACKGROUND: We evaluated the number of appropriate and inappropriate therapies for ventricular tachyarrhythmias and trigger mechanisms in 55 MADIT II (MII)-like (group 1) and 86 SCD-HeFT-like (group 2) patients. METHODS AND RESULTS: We analyzed 399 appropriate episodes in 31 patients with implantable cardioverter defibrillators (ICD) implanted according to the MII ...
Pioger Guy - - 2007
INTRODUCTION: Dedicated pacing modes, such as AAIsafeR, prevent ventricular (V) pacing in selected patients. We report our experience in consecutive unselected patients. METHODS: All data collected in recipients of Symphony DR 2550 pacemakers (ELA Medical, Montrouge, France) were retrospectively analyzed. At each visit, the percentage of V and atrial (A) ...
Bongiorni Maria Grazia - - 2007
AIMS: Few data have been currently reported on the outcome of coronary sinus (CS) lead removal, particularly using mechanical dilation (MD). We aimed to evaluate feasibility, safety, and effectiveness of CS lead extraction, focusing on MD usefulness, in the event that lead traction (LT) was ineffective. METHODS AND RESULTS: We ...
Lazarus Arnaud - - 2007
STUDY OBJECTIVE: To describe the daily routine application of a new telemonitoring system in a large population of cardiac device recipients. METHODS: Data transmitted daily and automatically by a remote, wireless Home Monitoring system (HM) were analyzed. The average time gained in the detection of events using HM versus standard ...
Rosas Martin - - 2007
The treatment of the atrial septal defect (ASD) in patients older than 40 years of age is controversial. We analyzed our experience according to different subgroups: i) the natural history of adults without closure of the defect; ii) comparison between surgical closure versus no closure; and iii) comparison between surgical ...
Agarwal Sunil K - - 2007
Implantable Cardioverter-defibrillators (ICD) reduce mortality in survivors of cardiac arrest (CA). We investigated the predictors of mortality after ICD implantation in survivors of CA. Retrospective review of clinical records and social security death index of all patients who received an ICD in a preexisting database of survivors of CA at ...
Gaynor Sydney L - - 2006
BACKGROUND: Powered sheaths, including Excimer laser sheaths, were introduced for the removal of transvenous pacing and defibrillator leads. The purpose of this study was to develop an algorithm to better predict which patients are likely to benefit from these devices. METHODS: We reviewed 283 consecutive patients in whom a total ...
Lo Ronald - - 2006
Endovascular lead infection is an uncommon but serious problem. Transesophageal echocardiography (TEE) is a useful tool for identification of pacemaker lead vegetations. Additionally, incidental echogenic masses are occasionally identified by TEE. The prognosis and optimal treatment of either suspected lead infection or an incidental mass is poorly understood. OBJECTIVE: The ...
Handke Ronald - - 2006
There is only limited experience of interventional closure of perimembranous ventricular septal defects (pmVSDs), particularly on the long-term follow-up. This is a report on our long-term results after transcatheter closure of pmVSDs using the Cardioseal, Starflex, or Rashkind devices. PATIENTS: Between 1993 and 2005, we performed interventional occlusions of pmVSDs ...
Tireli E - - 2006
AIM: The avoidance of cardiopulmonary bypass and aortic cross-clamping in patients possessing single ventricular physiology has potential advantages including preservation of ventricular and pulmonary functions; early extubation, decreased incidence of pleural effusions and decreased requirement of inotropic agents and blood products. In this study, we assessed the postoperative outcome of ...
D'Alto M - - 2007
Oral bosentan is an established treatment for pulmonary arterial hypertension (PAH). To evaluate safety, tolerability, and clinical and haemodynamic effects of bosentan in patients with PAH related to congenital heart disease (CHD). 22 patients with CHD related PAH (8 men, 14 women, mean (SD) age 38 (10) years) were treated ...
Grigioni Francesco - - 2006
Information on the incidence of decompensation of chronic heart failure (CHF) in heart transplantation (HT) candidates eligible for prophylactic implantable cardioverter defibrillators (ICD) could provide insights into the influence of ICD on the timing for HT. METHODS: We investigated the prevalence of candidates satisfying SCD-HeFT and MADIT-II criteria for prophylactic ...
Shinkawa Takeshi - - 2006
OBJECTIVE: We have developed a surgical method for atrial septal defect repair through a limited right lateral thoracotomy in which the incision line begins 2 cm caudal from the lower angle of the scapula and ends at the midaxial line, thereby improving patient satisfaction with the cosmetic results of treatment. ...
Meyer David B - - 2006
BACKGROUND: Avoidance of cardiopulmonary bypass (CPB) and aortic cross-clamping during the Fontan procedure has been advocated to improve outcomes. We continue to use CPB with aortic cross-clamping for the Fontan procedure. METHODS: We performed a review of patients undergoing the Fontan procedure between January 1, 2000 and December 31, 2004. ...
Petrossian Ed - - 2006
OBJECTIVE: Our approach to the extracardiac conduit Fontan operation has evolved over time from full-pump, to partial-pump, to completely off-pump. This study is designed to report our overall experience with the extracardiac conduit Fontan operation and to evaluate the evolution in bypass technique on postoperative outcomes. METHODS: From September 1992 ...
Singh R Ramesh - - 2006
BACKGROUND: Surgical repair of complete atrioventricular septal defect (CAVSD) is a well-established procedure performed on young children. Our hypothesis is that with modern techniques, the current risks of CAVSD repair in children aged younger than 3 months and in children older than 3 months are equal. METHODS: This was a ...
Alsoufi Bahaaldin - - 2006
OBJECTIVE: Surgical repair of multiple muscular ventricular septal defects (Swiss cheese septum) is associated with important morbidity and mortality. We sought to examine factors associated with permanent heart block, early mortality, and time-related survival. Additionally, we evaluated a new approach, transatrial re-endocardialization of interventricular septum, to mitigate risk. METHODS: One ...
Hauser Robert G - - 2007
BACKGROUND: Pacemakers have improved the lives of patients worldwide. Unfortunately, the medical community has had little independent information regarding the performance of these vital medical devices. OBJECTIVES: The purpose of this study was to examine the reasons pacemaker pulse generators and transvenous leads were removed from service. We evaluated the ...
Jaquiss Robert D B - - 2006
BACKGROUND: Children with univentricular hearts and aortic arch obstruction are treated sequentially with Norwood procedure, superior cavopulmonary anastomosis (SCPA), and Fontan operation. Early SCPA results in lower initial O2 saturation and longer hospitalization, but not increased mortality. We sought to determine the impact of early SCPA on Fontan candidacy and ...
Holzer Ralf - - 2006
OBJECTIVE: To report the immediate and midterm results of transcatheter closure of perimembranous ventricular septal defect (PmVSD) using the Amplatzer membranous VSD occluder (AMVSD). METHODS: Between April 2002 and August 2004, 100 patients underwent an attempt of percutaneous device closure of PmVSD using the AMVSD in 24 international centers. The ...
Rastan Ardawan J - - 2006
BACKGROUND: The bovine jugular vein conduit (Contegra [Medtronic, Inc, Minneapolis, MN]) is one option for right ventricular outflow tract reconstruction. We examined the effect of patient age, conduit size, hemodynamics, and cardiac malformation on early and mid-term outcome. METHODS: Seventy-eight bovine jugular vein implantations were performed over 5 years. Follow-up ...
Airan Balram - - 2006
BACKGROUND: The aim of this study was to analyze the feasibility and early results of transatrial total correction of tetralogy of Fallot (TOF). METHODS: Of the 860 patients undergoing total correction for TOF between January 2000 and July 2005, 334 patients were considered morphologically suitable for transatrial total correction. The ...
Hoffmann Andreas - - 2007
BACKGROUND: Adult patients with congenital heart disease under follow-up often need to undergo diagnostic procedures which expose them to radiation. AIM: To evaluate radiation doses in adult patients with congenital heart disease during follow-up. METHODS: Data on diagnostic procedures were used from the European Heart Survey on adult congenital heart ...
Breur J M P J - - 2006
Low heart rate is the predominantly used indication for pacemaker intervention in patients with isolated congenital atrioventricular block (CAVB). The aim of this study was to compare the difference in heart rates recorded with ECG and Holter monitoring between paced (PM) and nonpaced (NPM) patients with isolated CAVB before pacemaker ...
Rathore Kaushalendra S - - 2006
The effect of right ventricular restrictive physiology on exercise capacity and arrhythmogenesis after correction of tetralogy of Fallot was assessed in 80 patients aged 7.9 +/- 3.6 years. Right ventricular restrictive physiology was defined as the presence of an A wave across the pulmonary artery on 2-dimensional echocardiography. At the ...
Braun Martin U - - 2006
BACKGROUND: Permanent pacemaker implantation usually is contraindicated in patients with systemic infection. The aim of the present study was to compare two different techniques of transvenous temporary pacing to bridge the infectious situation until permanent pacemaker implantation under infection-free conditions is possible. METHODS AND RESULTS: Forty-nine patients with systemic infection ...
Alaeddini Jamshid - - 2006
Transcatheter closure of patent foramen ovale (PFO) in patients with a history of cryptogenic stroke is performed with increasing frequency. However, the long-term effects of these closure devices on atrial tachyarrhythmias (ATs) are not known. The study population included 71 patients [31 (44%) men, aged 54 +/- 14 years] with ...
Amin Mitesh S MS Department of Internal Medicine, Virginia Commonwealth University Medical Center, Richmond, - - 2006
Limited information exists to direct clinical management after an implantable device has been put under advisory. A better understanding of the risks and benefits of device replacement compared with continued clinical follow-up would be helpful to clinicians. Using the tools of decision analysis, to determine the best management approach (immediate ...
Takeuchi Koh - - 2006
BACKGROUND: Double-outlet right ventricle encompasses a broad spectrum of anomalies. Heterotaxy syndrome, which is often associated with total anomalous pulmonary venous connection and complete atrioventricular canal defect, has been considered a risk factor for surgical repair of double-outlet right ventricle. METHODS: From January 1992 to May 1999, medical records of ...
Veselka Josef - - 2006
BACKGROUND: Alcohol septal ablation (ASA) decreases the left ventricular (LV) outflow gradient and relieves symptoms in patients with highly symptomatic hypertrophic obstructive cardiomyopathy (HOCM). The aim of this study was to evaluate the early course of hemodynamic, morphologic and clinical changes in younger and elderly patients. METHODS AND RESULTS: Forty-four ...
Kadish Alan - - 2006
OBJECTIVES: This study sought to determine whether the time from diagnosis to randomization was related to outcome in a clinical trial of implantable cardioverter-defibrillator (ICD) insertion in nonischemic cardiomyopathy. BACKGROUND: Whether the duration of nonischemic cardiomyopathy is related to arrhythmic risk and the possible benefit of ICD insertion is unknown. ...
Sanatani Shubhayan - - 2006
OBJECTIVE: To review a mortality database, and identify all sudden unexpected deaths in patients followed by the cardiac program. DESIGN: Retrospective review of prospectively maintained database. RESULTS: Over 8 years, we identified 80 sudden unexpected deaths, among which there were sufficient data in 69 (24 females). Patients died at a ...
Stulak John M - - 2006
BACKGROUND: Congenital heart disease (CHD) that causes right atrial dilatation is commonly associated with atrial flutter and/or fibrillation (AFl/F). To reduce late recurrence of AFl/F in patients undergoing repair of CHD, we utilized a concomitant right-sided maze procedure. METHODS: From 1993 to 2003, 99 patients with CHD and associated AFl/F ...
Desai Aseem D - - 2006
INTRODUCTION: The purpose of this study was to determine predictors of appropriate implantable defibrillator (ICD) therapy among patients with heart failure who are treated with a cardiac resynchronization therapy-defibrillator (CRT-D). METHODS AND RESULTS: Patients enrolled in the Ventak CHF/Contak CD study were treated with a CRT-D device and were required ...
Koh Masahiro - - 2006
BACKGROUND: Biventricular repair is often difficult to accomplish in patients with right atrial isomerism because of complex anomalous structures. METHODS: Ten patients with right atrial isomerism underwent biventricular repair. Their ages ranged from 15 months to 21 years. The follow-up period ranged from 1 month to 21 years. The Fontan ...
Giannico Salvatore - - 2006
OBJECTIVES: We sought to evaluate the mid-term outcome of hospital survivors with extracardiac Fontan circulation. BACKGROUND: Few data exist about the mid-term and long-term results of the extracardiac Fontan operation. METHODS: From November 1988 to November 2003, 221 patients underwent an extracardiac Fontan procedure as primary (9 patients) or secondary ...
Maisel William H WH Cardiovascular Division, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass 02215, USA. - - 2006
Despite there being millions of pacemaker and implantable cardioverter-defibrillator (ICD) generator implants worldwide, little is known about device reliability. To perform a meta-analysis of prospective pacemaker and ICD registries to determine annual rates of pacemaker and ICD malfunction and to identify trends in these rates. MEDLINE (January 1966 to April ...
Brown John W - - 2006
OBJECTIVE: The surgical results for the repair of interrupted aortic arch (IAA) have evolved in recent years. We report our results for staged repair of this complex congenital malformation. METHODS: Sixty-five patients (mean age, 16.9+/-41.7 days) were diagnosed with IAA and referred for surgical therapy. The surgical management strategy at ...
Emmel M - - 2006
We report on our experience with transhepatic access for catheter interventions in six children (age range 2.5 months-9 years). Three had systemic venous anomalies, and one infant a femoral venous occlusion. In two further patients with bradyarrhythmia after a Fontan operation with an intraatrial Gore-Tex tunnel, transhepatic access was chosen ...
Liang Tao - - 2006
BACKGROUND: Conventional surgical atrial septal defect (ASD) closure requires cardiopulmonary bypass, whereas percutaneous transcatheter closure is limited by maximal defect size of 34 mm and access to the neck. We describe a new minimally invasive approach using a right minithoracotomy to deploy an occluder without cardiopulmonary bypass. METHODS: Between October ...
Alghamdi Abdullah A - - 2006
The objective of this meta-analysis of individual patients' data was to compare the immediate outcomes of anatomic and physiologic repair of congenitally corrected transposition of the great arteries. Eleven nonrandomized studies, involving 124 patients, met the inclusion criteria for this review. The Rastelli type anatomic repair and the era of ...
Yoerger Danita M - - 2006
Alcohol septal ablation (ASA) causes remodeling of the upper septum and left ventricular outflow tract (LVOT) and reduction in the LVOT gradient. The time course of gradient reduction early after ASA has not been established. This study characterized the time course of gradient response early after ASA. Patients underwent clinical ...
Schaer Beat A - - 2006
BACKGROUND: The value of an implantable cardioverter defibrillator (ICD) for primary prevention in dilated cardiomyopathy (DCM) is unclear, as randomized trials could not show a survival benefit compared to drug therapy. It has not been investigated if patients with a very poor left ventricular function (LVEF) could profit from an ...
Yu Wen-Chung - - 2006
BACKGROUND: Normotensive hemodialysis patients may still have left ventricular hypertrophy in the absence of significant pressure or volume overload. We examined the hypothesis that treatment with an angiotensin-converting enzyme inhibitor could be beneficial in the reversal of left ventricular hypertrophy in these patients. METHODS: Forty-six normotensive patients with end-stage renal ...
Kistler Peter M - - 2006
BACKGROUND: Despite the increasingly widespread use of active-fixation leads, long-term clinical follow-up of pacing lead outcomes is lacking. The aim was to analyze pacing parameters over a 2-year follow-up. We performed a prospective observational study of consecutive new pacemaker implants using the 1488T St. Jude (100) and the Medtronic 5076 ...
Burian M - - 2006
The present study was undertaken to evaluate the safety and release of nickel after implantation of a nickel device (Amplatzer occluder) in patients with an atrial septal defect (ASD) receiving antiplatelet therapy. METHODS: Blood and urine samples were obtained from 24 patients with ASD before occluder implantation (baseline) and during ...
Miracapillo Gennaro - - 2006
BACKGROUND: There are no international guidelines indicating how long a patient should stay strictly in bed after pacemaker implantation. In the present study, we tested a new protocol concerning the mobilization of patients 3 h after receiving a single or a dual-chamber pacemaker. METHODS: Consecutive patients who underwent single or ...
Fabiani Alessandro - - 2006
Theoretically, replacement of a VDD device requires using a similar pacemaker to provide the best match between the filtering characteristics of the pacemaker and the atrial dipole of the lead. This study evaluated the performance of newly implanted Vitatron VDD pacemakers connected to dedicated leads and compared the results with ...
Schreiber Christian - - 2006
Fenestration is still widely used in right heart bypass operations. Our study was conducted to assess its need in the most recent modification, the completion of a total cavopulmonary connection with an extracardiac tube. The extracardiac approach was introduced at our institution in January, 1999. Since June of 2000, no ...
Lee C - - 2006
AIM: The purpose of this study was to evaluate the outcome after one-stage repair of tetralogy of Fallot (TOF). METHODS: Between May 1997 and December 2002, 240 patients with a median age of 9 months (1 month-48 years) underwent one-stage repair of TOF. Closure of ventricular septal defect (VSD) was ...
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