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Berreklouw Eric - - 2011
Nitinol attachment rings (devices) used to attach mechanical aortic valve prostheses suturelessly were studied in long-term (90 days) pig experiments. The aortic valve was removed and replaced by a device around a St Jude Medical mechanical valve prosthesis in 10 surviving pigs. Supravalvular angiography was done at the end of ...
Urbanski Paul P - - 2011
The novel repair technique of calcified bicuspid aortic valve is described, in which the calcified body of the cusps is repaired with autologous pericardium leaving the native free margin and commissures in place for anchoring. The technique has been used in 48 consecutive patients offering excellent early results.
Breyne Joke - - 2010
We recently demonstrated in an experimental model the expression of tissue factor (TF) in aortic valves. Thrombin, generated at the end of the TF-initiated coagulation cascade, has been shown to cleave the anti-calcific osteopontin (OSP) liberating the pro-inflammatory OSP N-half. We hypothesized that TF might play an important role in ...
Recupero A - - 2011
Quadricuspid aortic valve is a rare congenital heart defect. It may be isolated or associated to other cardiac anomalies. It may cause aortic valve dysfunction, commonly aortic regurgitation. Management of patients with quadricuspid aortic valve is represented by strict follow-up, because they may require aortic valve replacement in later life. ...
Breitenbach Ingo - - 2010
OBJECTIVE: To evaluate the modular sutureless Arbor Trilogy Aortic Valve System (Arbor Surgical Technologies, Irvine, Calif), designed for minimally invasive aortic valve replacement. METHODS: In a prospective multicenter study, 32 patients with severe aortic valve stenosis underwent aortic valve replacement with the Trilogy valve between 2006 and 2008. Concomitant coronary ...
Nakamura Eisaku - - 2010
A 62-year-old man with a history of hypertension complained of cough and dyspnea and was admitted to a family doctor. He was transferred to our hospital for further investigation and therapy, a result of his doctor's suspicions of aortic regurgitation (AR) with infective endocarditis. During the operation, acute AR was ...
Mishima Takehito - - 2010
Aortic regurgitation is occasionally caused by fibrous strands and more rarely by downward displacement of the aortic annulus. The present report describes an 18-year-old man with aortic regurgitation resulting from an anterior-posterior type of bicuspid aortic valve with fibrous strands and downward displacement of the anterior aortic annulus. A pair ...
Heinze Hermann - - 2010
Transcutaneous aortic valve replacement (AVR) is increasingly used for high-risk patients with severe aortic stenosis, who have high operative mortality for surgical placement during cardiopulmonary bypass (CPB). Retrograde transfemoral AVR is usually performed during sedation, whereas antegrade transapical AVR is done with general anesthesia. Both procedures can be carried out ...
Shuto Takashi - - 2010
We report the case of an 80-year-old man who 11 years previously had undergone aortic valve replacement (St. Jude Medical mechanical heart valve 23 mm) because of aortic stenosis. At the current presentation, a 7-mm pedunculated tumor was discovered along the septal wall in the left ventricular outflow tract. In ...
Chapman Carrie B - - 2010
A quadricuspid aortic valve is rare and often incidentally found by echocardiography, surgically, or on post mortem examination. Aortic regurgitation is common and if severe enough can lead to symptoms of dyspnea. We report a case of a quadricuspid aortic valve, which was found by cardiac multidetector computed tomography during ...
Washiyama Naoki - - 2010
With the exception of myxomas, primary tumors of the heart are very rare. We present here our experience with papillary fibroelastoma in the aortic valve. We could not preserve the aortic valve because of the wide attachment of the tumor to the valve and aortic regurgitation.
Kjaergaard Jesper - - 2010
Pulmonary regurgitation (PR) following repair of right ventricular (RV) outflow obstruction is related to slowly progressive RV dilatation and heart failure and will eventually require surgical intervention, but optimal timing of pulmonary valve replacement is challenging. Tissue Doppler based quantification of RV contractility may offer additional information in the management ...
Melina Giovanni - - 2010
A 32-year-old woman with juvenile rheumatoid arthritis underwent a redo aortic valve replacement 7 years after a Ross procedure for severe aortic valve regurgitation. Interestingly, the cause of autograft failure was not related to the rheumatoid inflammation process.
Stefanski Heather - - 2010
An association has been reported between neuroblastoma and congenital heart disease, frequently bicuspid aortic valve [Holzer and Franklin. Arch Dis Child 2002;87:61-64; George et al. J Pediatr 2004;144:444-448; Friedman et al. Pediatr Cardiol 1998;19:480-481; Monte et al. Am J Pediatr Hematol Oncol 1985;7:109-116]. To evaluate this in a large patient ...
Ferrari Enrico - - 2010
Transcatheter stent-valve implantation in stenosed congenital bicuspid aortic valves is under debate. Heavily calcified elliptic bicuspid valves represent a contraindication to catheter-based valve therapies because of a risk of stent-valve displacement, distortion, or malfunctioning after the implantation. In this case report we illustrate our experience with a patient suffering from ...
Erdoes Gabor - - 2011
The authors present the case of an 81-year-old patient with severe aortic stenosis who experienced left ventricular embolization of an aortic bioprosthesis during transapical aortic valve implantation. The authors discuss reasons for prosthesis embolization and reinforce the attention to technical details and the widespread use of multimodality imaging techniques. In ...
Hjortnaes Jesper - - 2010
Westernized countries face a growing burden of cardiovascular calcification and osteoporosis. Despite its vast clinical significance, the precise nature of this reciprocal relationship remains obscure. We hypothesize that cardiovascular calcification progresses with inflammation and inversely correlates with bone tissue mineral density (TMD). Arterial, valvular, and bone metabolism were visualized using ...
Frost Markus W - - 2010
BACKGROUND AND AIM OF THE STUDY: Stiffening of the aortic root may entail asynchronous aortic leaflet movement, and result in enhanced flexion-stress in specific areas of the cusps. As stentless prostheses are more flexible than their stented counterparts, they are more likely to exhibit physiologic leaflet movements. The study aim ...
Pacini Davide - - 2010
Ascending aortic aneurysms involving the aortic root are usually treated with replacement of the ascending aorta and the aortic valve using a composite valved conduit. However, the aortic valve is usually normal and the dysfunction is due to an impairment of the other components of the aortic root. In these ...
Wierzbicki Anthony S - - 2010
Aortic stenosis is a common disorder affecting increasing numbers of elderly patients, which is associated with markedly increased cardiovascular morbidity and mortality. Both histological and epidemiological studies have suggested that the process of valve degeneration may resemble atherosclerosis. This review investigates the potential role of lipid-lowering therapy in its management. ...
Vliek Crystal J - - 2010
BACKGROUND: Aortic valve bypass (AVB [apicoaortic conduit]) relieves aortic stenosis (AS) by connecting the apex of the left ventricle to the descending thoracic aorta with a valved conduit. AVB is performed through a small left thoracotomy, without cardiopulmonary bypass, aortic cross-clamping, cardiac arrest, or debridement of the native aortic valve. ...
Ermis Necip - - 2010
Unicuspid aortic valve is a rare pathology among congenital heart diseases that requires cardiac surgery and is often confused with bicuspid valve. Herein, we report a case of a unicommisural form of unicuspid aortic valve concomitant with aortic aneurysm and secundum type atrial septal defect.
Alunni Gianluca - - 2010
The aim of the study was to validate a novel formula for aortic valve area (AVA) based on the principle of continuity equation, that substitutes Doppler-derived stroke volume (SV) by SV directly measured with real time simultaneous triplane three-dimensional echocardiography (RT3P). RT3P has proved accuracy for left ventricular volume calculation. ...
May-Newman Karen - - 2010
The biomechanics of the aortic valve are altered in patients with ventricular assist devices (VADs). During high VAD flow and low cardiac function, transvalvular pressure is high, and the aortic valve remains closed throughout the cardiac cycle. This condition has been linked to the development of aortic valve fusion and ...
Nakamura Teruya - - 2010
Aortoventricular disruption after aortic valve replacement is extremely rare. A case of aortoventricular disruption following aortic valve replacement is described in detail, and related case reports are reviewed. A 76-year-old male underwent aortic valve replacement with a tissue valve using everting mattress sutures, repair of the ascending aortic aneurysm, and ...
Ghoreishi Mehrdad - - 2010
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare acquired bone marrow disorder characterized by hemolytic anemia, neutropenia, thrombocytopenia, hemoglobinuria, and venous thrombosis. Cardiopulmonary bypass-induced complement activation may be associated with exacerbation of hemolysis in patients with PNH undergoing cardiac operations. We describe a 77-year-old man with PNH and critical symptomatic aortic ...
Nigam Vishal - - 2010
Bicuspid aortic valve (BAV), the most common form of congenital heart disease, is a leading cause of aortic stenosis (AS) and aortic insufficiency (AI). AS is typically caused by calcific valve disease. Recently, microRNAs (miRNAs) have been shown to modulate gene expression. The study aim was to examine the miRNAs ...
Beckmann Erik - - 2010
Calcific aortic valve disease (CAVD) is the most common acquired valvular disorder in developed countries. CAVD ranges from mild thickening of the valve, known as aortic valve sclerosis (AVSc), to severe impairment of the valve motion, which is termed aortic valve stenosis (AVS). The prevalence of CAVD is nearing epidemic ...
Karavolias George K - - 2010
This case report describes a percutaneous aortic valve implantation with the Medtronic CoreValve selfexpanding valve prosthesis in a patient with severe aortic stenosis. The approach was made via the left subclavian artery because of the lack of femoral vessel access. The patient was a 78-year-old female with breathlessness on minimal ...
Luciani Giovanni Battista - - 2010
Quadricuspid aortic valve (QAV) is a rare congenital lesion, generally manifesting with valve regurgitation. Standard treatment involves valve replacement, though anecdotal cases of successful repair by means of valve tricuspidization have been reported. Here, the successful application of a repair technique previously unreported in the setting of QAV is described.
Gilmanov Daniyar - - 2010
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether statins slow the process of calcification of aortic tissue valves. Altogether 207 papers were found using the reported search, of which eight represented the best evidence to answer the clinical question. ...
Balkin Jonathan J Department of Cardiology, Shaare Zedek Medical Center, Jerusalem, Israel; Department of Cardio-Thoracic Surgery, Shaare Zedek Medical Center, Jerusalem, - - 2013
Percutaneous transfemoral aortic valve replacement is a new rapidly evolving technique that has made significant progress in recent years. The technology is however limitted and in some cases has resulted in failure to deliver the prosthetic valve. We describe a new technique using a buddy balloon, from the contralateral femoral ...
Johansson Bengt - - 2011
Hyaluronan (HA) is a major component of the interstitium and has been observed in normal heart valves. The function of HA in heart valves is unknown but contribution to biomechanical function has been proposed. The purpose of this investigation was to study the distribution of HA in relation to calcifications ...
Wang Shengxun - - 2010
Pentacuspid aortic valve is an extremely rare congenital aortic valve anomaly. In this case, pentacuspid aortic valve with severe aortic regurgitation was detected by transthoracic echocardiography and multiple-detector computed tomography; the patient recovered smoothly after aortic valve replacement.
Okamoto Yuki - - 2010
A 69-year-old man with a medical history of neurofibromatosis was transferred to our hospital for the treatment of an aortic valve mass. His workup identified an aortic valve papillary fibroelastoma based on the absence of signs of infection, thrombus in the left atrium, and valvular destruction or abnormal valvular function. ...
Hermans Hadewich - - 2010
Calcific aortic stenosis is the most frequent heart valve disease and the main indication for valve replacement in western countries. For centuries attributed to a passive wear and tear process, it is now recognized that aortic stenosis is an active inflammatory and potentially modifiable pathology, with similarities to atherosclerosis. Statins ...
Zeb Irfan - - 2010
As multiple new procedures now require better visualization of the aortic valve, we sought to better define the central aortic valve coaptation area seen during diastole on multi-detector row cardiac computed tomography (MDCT). 64-MDCT images of 384 symptomatic consecutive patients referred for coronary artery disease evaluation were included in the ...
Brown Morgan L - - 2010
Since 1989, data have been reported to the Society of Thoracic Surgeons National Adult Cardiac Surgery Database for quality improvement. This information is also data mined for national quality indicators, policy initiatives, and research. Such use has important limitations, because data elements cannot be verified for accuracy. We determined variability ...
Boodhwani Munir - - 2010
OBJECTIVE: Patients with bicuspid aortic valves can present with aortic insufficiency caused by cusp disease or the aortic root pathology. We present our 13-year experience with a functional and systematic approach to bicuspid aortic valve repair. METHODS: Between 1995 and 2008, 122 consecutive patients (mean age, 44 +/- 11 years) ...
Lancellotti Patrizio - - 2010
OBJECTIVE: We sought to evaluate prognostic markers of clinical outcome in asymptomatic patients with moderate to severe aortic stenosis (AS). DESIGN: Prospective follow-up of asymptomatic patients with moderate to severe AS. The patients underwent clinical and Doppler echocardiographic evaluation. SETTING: Department of Cardiology. PATIENTS: 163 patients with moderate to severe ...
Syburra Thomas - - 2010
BACKGROUND AND AIM OF THE STUDY: Bicuspid aortic valve is the most common congenital heart malformation, and a high percentage of patients with this condition will develop complications over time. It is rare that pilots undergo aortic valve surgery, and the confirmation of flight-licensing requirements after aortic valve replacement (AVR) ...
Hori Daijiro - - 2010
A 41-year-old man who had been previously diagnosed with bicuspid aortic valve presented to our hospital with repeating episodes of fever. Echocardiography revealed vegetation in the bicuspid valve as well as left-to-right shunt, making one suspicious of rupture of the sinus of Valsalva. Under the diagnosis of infective endocarditis of ...
Bollati Mario - - 2010
Aortic valve disease is a growing cause of mortality and morbidity, especially in developed countries. Whereas medical therapy is associated with an ominous prognosis, since the 1970s, surgical valve replacement has represented a standard therapy for fit patients. Indeed, this approach is safe and feasible in younger patients without comorbidities. ...
Baraki Hassina - - 2010
BACKGROUND AND AIM OF THE STUDY: Composite replacement is the standard treatment for the repair of aortic aneurysm with aortic valve pathology. With improved long-term durability and no requirement for long-term anticoagulation, tissue-valved conduits have become increasingly popular. Herein are reported the results achieved with 50 consecutive 'Bentall' operations, using ...
Gallego García de Vinuesa Pastora - - 2010
INTRODUCTION AND OBJECTIVES: The aim was to evaluate the usefulness of transesophageal echocardiography (TEE) for the preoperative functional anatomical assessment of patients with aortic regurgitation (AR) to identify those eligible for valve-sparing surgery (VSS). METHODS: We determined the accuracy and diagnostic value of TEE for identifying underlying lesions and mechanisms ...
Dainese Luca - - 2010
We report a new technique of the partially and sequentially gonflage of the transcatheter balloon valve, the so called dog bone shaped technique, which allowed us to approach the aortic root by inflating the valve balloon in two different times, stabilizing the heart and deplacing the valve.
Akalin Figen - - 2010
Quadricuspid aortic valve is a rare congenital malformation of the heart leading to significant aortic regurgitation or stenosis. Its diagnosis by transthoracic echocardiography is difficult. Most of the cases are diagnosed during surgery or autopsy. Associated abnormalities of the coronary arteries should also be searched, since surgical injury may have ...
Coady Michael A - - 2010
Bicuspid aortic valve (BAV)-associated aortopathy is a complex phenomenon, and the current lack of univocal interpretation of its causes and treatment can be ascribed to the multiform nature of its clinical presentation. Although there is strong bias in the literature favoring more aggressive treatment of ascending aortic dilatation in patients ...
Kaleschke Gerrit - - 2010
Transcatheter aortic valve implantation has been shown to be a feasible alternative to surgical aortic valve replacement in selected high-risk patients. Although, being less invasive, catheter techniques remain associated with the potential of serious complications. Procedural success and avoidance of such complications critically depends on careful patient selection and comprehensive ...
Bande Marta - - 2010
Surgical aortic valve replacement remains the gold standard for the treatment of severe, symptomatic aortic stenosis. However, percutaneous treatments are challenging this paradigm in high-risk surgical patients. Technological developments have been rapid in the field of percutaneous aortic valve intervention. Two devices have been approved for general use in Europe: ...
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