Search Results
Results 451 - 500 of 2011
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Deleuze Philippe H - - 2006
BACKGROUND AND AIM OF THE STUDY: Stentless bioprostheses may be the future valve of choice for aortic valve replacement (AVR). The study aim was to investigate mid-term clinical outcome after AVR with the Medtronic Freestyle valve. METHODS: Between April 1997 and November 2004, a total of 500 patients (241 females, ...
Gring Christian N - - 2006
BACKGROUND AND AIM OF THE STUDY: Structural valve deterioration (SVD) is the most common cause of bioprosthetic valve failure. Coronary disease risk factors, including hypercholesterolemia, might predict SVD. Here, the relationship was examined between preoperative cholesterol levels and SVD in patients undergoing bioprosthetic aortic valve replacement (AVR). METHODS: A total ...
Qicai He - - 2006
From April 2000 to April 2003 total 103 patients underwent aortic valve replacement and some concomitant cardiac procedures including mitral valve replacement in our hospital. According to the suture technique used in aortic valve replacement, the patients were divided into two groups: group A, 42 patients, the continuous suture technique ...
Cribier Alain - - 2006
OBJECTIVES: The aim of this work was to study the feasibility, safety, efficacy, and durability of percutaneous heart valve (PHV) implantation in the aortic position. BACKGROUND: We developed a PHV (equine pericardium valve in a balloon-expandable, stainless-steel stent) to treat patients with inoperable aortic stenosis (AS). METHODS: Thirty-six patients (aortic ...
Cinamon Udi - - 2006
OBJECTIVE: In an aging society, one may expect to encounter more seniors with head and neck squamous cell carcinoma (HNSCC). The objective of this study was to question the appropriateness of feasible aggressive curative treatment for these older patients. DESIGN: A retrospective study. SETTING: A tertiary head and neck surgical ...
Sakamoto Yoshimasa - - 2006
Triple-valve procedures are associated with high early and late mortality. We reviewed our experience in 25 patients who underwent combined mitral and aortic valve replacement with tricuspid valve repair or replacement between 1979 and 2004. The mean follow-up was 7.8 years (range, 10 days to 24.5 years). The mean age ...
Yoshida Kazunori - - 2006
BACKGROUND: Severe aortic valve stenosis is relatively more prevalent in patients with repeated bleeding episodes. The goal of the present study was to determine the effect of aortic valve replacement on von Willebrand factor levels in patients with aortic stenosis. METHODS: von Willebrand factor levels were assessed by using immunoblotting ...
Meurin Philippe - - 2006
BACKGROUND: After mechanical heart valve replacement (MHVR), long-term use of unfractionated heparin is sometimes required because vitamin K antagonists (VKA) are temporarily contraindicated or because the time to reach the target international normalized ratio is long. The aim of this study was to investigate the feasibility of low-molecular-weight heparin treatment ...
Mohty Dania - - 2006
BACKGROUND: The impact of aortic prosthesis-patient mismatch (P-PtM) on long-term survival is unclear. METHODS AND RESULTS: Between 1985 and 2000, 388 patients at Mayo Clinic in Rochester, Minn, underwent aortic valve replacement (AVR) with 19- or 21-mm St Jude Medical prostheses and had transthoracic echocardiography within 1 year after AVR. ...
Tugtekin Sems Malte - - 2006
Surgical therapy of native infective endocarditis is still considered as a particular challenge, due to remaining morbidity and mortality up to 20%. Further risk analysis and characterization of clinical features is of great importance for further improvement of surgical results. The aim of this retrospective study was a risk analysis ...
McNicholas Kathleen W - - 2006
BACKGROUND AND AIM OF THE STUDY: This ongoing, longitudinal, multi-center, North American study was designed to evaluate the safety and effectiveness of the On-X valve. METHODS: The On-X valve was implanted in isolated aortic (AVR) and mitral (MVR) valve replacement patients at nine North American centers. Follow up was 98.6% ...
Carozza Antonio - - 2006
BACKGROUND AND AIM OF THE STUDY: Few data exist on infective endocarditis (IE) in intravenous drug abuse (IVDA) patients. In particular, clinical features, site of involvement and bacteriologic findings are controversial. Little is also known on the results of surgical treatment and on the long-term prognosis. METHODS: The clinical and ...
Kim Kyung-Hwan - - 2006
BACKGROUND: Aortic valve endocarditis with paraannular abscess remains a challenging problem in the surgical treatment of native and prosthetic valve endocarditis. The purpose of this study is to evaluate the long-term outcome of surgical intervention for aortic paraannular abscess. METHODS: From January 1989 to November 2004, 32 consecutive patients (24 ...
Borger Michael A - - 2006
BACKGROUND AND AIM OF THE STUDY: The Hancock II bioprosthesis (HII) has several design features designed to increase its durability. The study aim was to determine very long-term outcomes for the HII valve in a large patient population. METHODS: Long-term follow up was obtained by mail and/or telephone questionnaire of ...
Carrier Michel - - 2006
BACKGROUND AND AIM OF THE STUDY: Mechanical prostheses are used in young patients, the CarboMedics valve having been the mechanical valve of choice of the present authors during the past 15 years. The study aim was to analyze long-term clinical and echocardiographic results obtained with CarboMedics mechanical valves. METHODS: A ...
Kirkeby-Garstad Idar - - 2006
In recent years, the focus in peri-operative care of cardiac patients has shifted from trying to create a stress-free environment to hasten the recovery of patients by providing early extubation, early mobilization, and enteral nutrition. Fast-track cardiac surgery has therefore made a paradigm shift in postoperative care. However, evidence on ...
Accola Kevin D - - 2006
BACKGROUND AND AIM OF THE STUDY: The selection of a suitable valve substitute in patients requiring valvular heart surgery is an important element in the preoperative decision-making process between cardiologist, surgeon, and patient. Controversy persists regarding the use of mechanical valves in the elderly. With the population living longer, reoperative ...
James Karen B - - 2006
Biventricular pacing (BiV) has documented benefit in New York Heart Association functional class III patients. Whether BiV offers benefit to class IV patients on inotropic therapy is unclear. Retrospective review was performed on 38 consecutive heart failure patients who received BiV while on inotropic support or within 30 days of ...
Zakliczyński Michał - - 2006
BACKGROUND: Cardiac surgery is supposed to be a risk factor of PRA formation, however the role of PRA presence in non-transplant subjects is not known. Aim of the study was to assess PRA occurrence in patients undergoing elective cardiosurgery procedures and to evaluate its influence on the perioperative course. MATERIAL ...
Leon Martin B - - 2006
The development of lesser invasive transcatheter techniques for aortic valve replacement (AVR) to treat high surgical risk patients with severe aortic stenosis (AS) has engendered controversy among traditional cardiovascular therapists. Presently, there are two catheter-based treatment systems (the Cribier-Edwards Aortic Bioprosthesis and the CoreValve Revalving System) utilizing either a balloon-expandable ...
Bernal José M - - 2006
OBJECTIVE: The CarboMedics "Top-Hat" supraannular prosthesis was designed to permit the implantation of a larger prosthesis. We evaluated the outcome at 10 years in patients with this prosthesis. METHODS: Between June 1993 and May 2001, 269 patients (average age, 63.9 years) received a CarboMedics "Top-Hat" supraannular aortic prosthesis. Primary valve ...
Borger Michael A - - 2005
BACKGROUND: Several studies have compared left venticular mass (LVM) regression and hemodynamic data for stentless versus stented aortic bioprostheses with conflicting results. The major limitations of these studies are their small sample size and short-term follow-up. We therefore compared midterm LVM regression, hemodynamic data, and survival in a large population ...
Gultekin Bahadir - - 2005
BACKGROUND: The life expectancy of patients with chronic renal failure who are dependent on dialysis is very poor. This study was undertaken to determine time-related outcomes in dialysis patients requiring cardiac valve replacement. METHODS: From 1994 to 2001, 29 end-stage renal disease (ESRD) patients on hemodialysis (HD) program underwent 30 ...
Wasowicz Marcin - - 2005
PURPOSE: To describe the perioperative management in a heparin-induced thrombocytopenia (HIT) positive patient who had prosthetic valve endocarditis and an aortic root abscess. The patient underwent high-risk cardiac re-operation with the use of the alternative anticoagulant, bivalirudin. CLINICAL FEATURES: A 62-yr-old patient who underwent stentless tissue aortic valve replacement with ...
Doss Mirko - - 2005
BACKGROUND: The objective of this study was to compare the performance of pulmonary autografts with mechanical aortic valves, in the treatment of aortic valve stenosis. METHODS: Forty patients with aortic valve stenoses, and below the age of 55 years, were randomly assigned to receive either pulmonary autografts (n = 20) ...
Tansel Turkan - - 2005
OBJECTIVE: Infective endocarditis is uncommon condition, with a high degree of morbidity and mortality. It is less common in children, albeit tending to be associated with congenital cardiac malformations. We describe our experience of the need for surgical treatment in children with infective endocarditis. PATIENTS AND METHODS: We analyzed retrospectively ...
Pawelec-Wojtalik Malgorzata - - 2005
From June 1999 to January 2004, 43 children underwent implantation of a valved bovine jugular vein conduit and correction of complex congenital heart defects. Median age was 1.98 years (range, 11 days - 13.3 years). There were 7 early deaths (16.3%) unrelated to conduit failure or thrombosis. Median follow-up of ...
Mistiaen Wilhelm P - - 2005
BACKGROUND AND AIM OF THE STUDY: Congestive heart failure (CHF) after aortic valve replacement (AVR) is an important cause of morbidity. The study aim was to identify preoperative risk factors for CHF. METHODS: A total of 500 consecutive patients (271 males, 229 females; median age 73 years; range: 71-77 years) ...
Maillet Jean-Michel - - 2005
BACKGROUND AND AIM OF THE STUDY: Because valve replacement for aortic stenosis (AS) remains a difficult surgical challenge in the presence of left ventricular dysfunction, the immediate and long-term outcomes, and evolution of left ventricular ejection fraction (LVEF) in this setting, were analyzed. METHODS: Forty-three consecutive patients with severe AS ...
Repossini Alberto - - 2005
OBJECTIVE: Implantation of bioprostheses in the supra-annular position with the single suture line was first applied by O'Brien to porcine stentless valves. The aim of this study was to evaluate the clinical performance of the Pericarbon Freedom stentless bioprosthesis (Sorin Biomedica Cardio, Saluggia, Italy) implanted in supra-annular position with the ...
Minami Kazutomo - - 2005
BACKGROUND: Pericardial prostheses have been used as valvular substitutes since 1975. They combine excellent hemodynamic characteristics with a low risk of valve failure during long-term observation. The aim of this article is to describe the clinical long-term performance of the Mitroflow Synergy pericardial valve (Sorin Group Inc, Mitroflow Division, Vancouver, ...
Takkenberg Johanna J M - - 2005
BACKGROUND: The autograft procedure offers children who require aortic valve replacement the advantage of an autologous valve that has growth potential and does not require anticoagulation. However, the autograft procedure is a double valve operation and its durability depends on the lifetime of both the autograft and the pulmonary valve ...
Boeken U - - 2005
BACKGROUND: Aortic valve replacement (AVR) with a 21-mm sized bioprothesis is still discussed controversially. Since better results have been reported for pericardial valves, the aim of the current study was to analyze the hemodynamic performance as well as clinical parameters in our patients and to compare pericardial and standard porcine ...
Jamieson W R Eric - - 2005
OBJECTIVE: Experience with the Carpentier-Edwards supra-annular porcine bioprosthesis (Edwards Lifesciences, Irvine, Calif) has been evaluated longitudinally over 20 years. Clinical performance was evaluated by actuarial and actual analysis. Hemodynamic performance was evaluated by echocardiographic/Doppler assessment. Morphology of structural failure was evaluated from pathologic examinations. METHODS: From 1981 through 1999, 1823 ...
de Manzoni Giovanni - - 2005
BACKGROUND: This study analyzed the impact on long-term results of an increase in the dosage of an induction chemoradiotherapy protocol for squamous cell carcinoma (SCC) of the thoracic esophagus. METHODS: Two groups were considered among 177 patients who underwent preoperative chemoradiotherapy for SCC of the thoracic esophagus. Group A includes ...
Wada Naoki - - 2005
OBJECTIVE: This study was undertaken to review our experience of mitral valve replacement in children under 3 years of age. METHODS: Between January 1990 and May 2004, 18 patients under 3 years of age underwent a total of 20 mitral valve replacements using a bileaflet mechanical prosthetic valve. There were ...
Ozkurt Zulal - - 2005
A 36-year-old, 7-week-gravida patient with catheter-related nosocomial infective endocarditis due to methicillin-resistant Staphylococcus aureus (MRSA) is presented in this paper. The patient was admitted to our hospital because of carbon monoxide intoxication. After 14 days, MRSA catheter-related bacteremia developed. The central venous catheter was immediately removed, and teicoplanin therapy was ...
Psychari Stavroula N - - 2005
We describe the case of a 57-year-old man with a mechanical aortic valve who had discontinued oral anticoagulants for a long period and presented with symptoms of severe congestive heart failure, including pulmonary oedema and hypotension. Clinical and echocardiographic examination revealed a large thrombus obstructing the prosthetic valve. Since his ...
Filsoufi Farzan - - 2005
BACKGROUND: Regardless of the indication, tricuspid valve replacement (TVR) has historically been associated with high mortality and morbidity. We report the results of our experience in a high-risk patient population with an emphasis on operative mortality, long-term survival, and valve related events according to the type of prosthesis. METHODS: Between ...
Sakamoto Yoshimasa - - 2005
OBJECTIVE: The objective of the present study was to compare long-term results of single aortic valve replacement (AVR) with mechanical (St. Jude Medical valves: standard) and biologic (the Carpentier-Edwards pericardial) prostheses. METHOD: Between 1995 and 2002, 95 patients who underwent single AVR with mechanical (n= 46) or biologic (n= 49) ...
Martinovic Ivo - - 2005
OBJECTIVE: The long-term durability and hemodynamics of stentless valves are largely unknown. In this study we prospectively analyzed 8-year clinical results with the CryoLife-O'Brien Stentless Aortic Porcine Bioprosthesis (CryoLife Inc, Kennesaw, Ga) and assessed its hemodynamic performance by serial echocardiography. METHODS: A total of 206 patients with a mean age ...
McElhinney Doff B - - 2005
From 1984 to 2004, 66 patients were diagnosed with Ebstein's malformation (n = 61) or congenital tricuspid valve (TV) dysplasia (n = 5) in utero or during the first month of life. Of these, 33 were diagnosed by fetal echocardiography at a median gestational age of 22 weeks, and 33 ...
Polvani Gianluca - - 2005
BACKGROUND: This study was undertaken to evaluate the long-term clinical and echocardiographic outcome after aortic valve replacement with the Bravo Cardiovascular Model 400 stentless xenograft. METHODS: Between February 1992 and January 1994, 67 patients underwent aortic valve replacement with the Bravo 400 bioprosthesis. The valvular pathology was aortic stenosis in ...
Cardarelli Marcelo G - - 2005
BACKGROUND: Tricuspid valve replacement (TVR) is a rarely needed operation. Choices between mechanical and biological prosthesis still generate controversy. We present our initial clinical experience with a stentless aortic root placed inverted in the tricuspid annulus. METHODS: Between August 2000 and September 2003, TVR for severe tricuspid insufficiency was performed ...
Beholz S - - 2005
BACKGROUND: The Pericarbon Freedom stentless valve has shown excellent hemodynamic results in the midterm course. However, there is no information as to whether a continuous or interrupted suture technique at the inflow site has an impact on postoperative hemodynamics. METHODS: 139 patients were enrolled in a non-randomized, prospective matched trial. ...
Al Halees Zohair - - 2005
OBJECTIVE: There is lack of information regarding the long-term behavior of aortic valve reconstruction with pericardium (AoR). A 16-year follow-up is reported here. METHODS: Between 1988 and 1995, 92 consecutive patients had AoR with bovine (Group I, n=27) or glutaraldehyde-treated autologous pericardium (Group II, n=65). The mean age was 30 ...
Aubert Stéphane - - 2005
OBJECTIVE: We consider the short- and long-term outcomes of the repair of the isolated partial atrioventricular (AV) septal defect to determine the role played by the atypical forms on the initial AV valve replacement and on the risk of reoperation. METHODS: Two hundred and eight patients underwent an operation for ...
Takahashi Toru - - 2005
Although aortic valve replacement (AVR) is an effective treatment for patients with aortic valvular disease, the implantation of a small aortic prosthesis may result in residual left ventricular outflow stenosis and transvalvular gradient. In this study, the outcome in the long-term period of patients treated with a small aortic prosthesis ...
Malmstedt J - - 2005
OBJECTIVES: To compare the efficacy of valvulotomes during in situ bypass surgery. DESIGN: A randomized prospective blinded study. MATERIALS AND METHODS: Thirty PAD patients scheduled for infrainguinal greater saphenous vein bypass were randomized to use of adjustable or fixed valvulotomes for valve destruction. Valvulotomy was performed after construction of the ...
Bottio Tomaso - - 2005
BACKGROUND AND AIM OF THE STUDY: The choice of aortic valve substitutes remains controversial. Malfunction and systemic valve complications affect the results of mechanical and tissue valves. Two devices--the Sorin Monocast (tilting disk) valve and the Hancock Standard valve were compared, the study aim being to determine whether the valve ...
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