Nonsurgical pulmonary valve replacement: Why, when, and how?
... has been treated by balloon dilatation with early and late results; however, treatment for valvular regurgitation has remained surgical until now. Most new designs have been investigated for implantation of valves in the left or right ventricular outflow tracts. Patients with surgery on the right ven ...
... has been treated by balloon dilatation with early and late results; however, treatment for valvular regurgitation has remained surgical until now. Most new designs have been investigated for implantation of valves in the left or right ventricular outflow tracts. Patients with surgery on the right ven ...
Preparatory Balloon Aortic Valvuloplasty During Transcatheter Aortic
... (TEE) by an experienced investigator (2–10). For balloon sizing (group 2), patients underwent preparatory BAV (Z-MED balloon, NuMED, Inc., Hopkinton, New York or Edwards balloon) during TAVI. Supra-aortic angiography during BAV was used to measure the size of the aortic annulus. At the time of full ...
... (TEE) by an experienced investigator (2–10). For balloon sizing (group 2), patients underwent preparatory BAV (Z-MED balloon, NuMED, Inc., Hopkinton, New York or Edwards balloon) during TAVI. Supra-aortic angiography during BAV was used to measure the size of the aortic annulus. At the time of full ...
Straddling Right Atrioventricular Valves in
... recognized with increasing frequency,8 14, 16 but as far as we know a straddling right (mitral) valve has been described only three times before.7' 8 With increasing sophistication of angiographic'7 and echocardiographic'8 investigations, diagnosis of straddling and overriding atrioventricular valve ...
... recognized with increasing frequency,8 14, 16 but as far as we know a straddling right (mitral) valve has been described only three times before.7' 8 With increasing sophistication of angiographic'7 and echocardiographic'8 investigations, diagnosis of straddling and overriding atrioventricular valve ...
Transcatheter aortic valve implantation
... life expectancy <12 months due to non-cardiac likely to be older than those who are, and more co-morbid conditions. The trial appears to have likely to have left ventricular dysfunction and cobeen generally well conducted, although it is morbidities8. Coronary heart disease is a frequent unclear fro ...
... life expectancy <12 months due to non-cardiac likely to be older than those who are, and more co-morbid conditions. The trial appears to have likely to have left ventricular dysfunction and cobeen generally well conducted, although it is morbidities8. Coronary heart disease is a frequent unclear fro ...
Transcatheter Pulmonary Valve Implantation
... RV compromise or increased RV pressure. One (1.0%) death occurred as a result of compression of the left coronary artery. Two (2.0%) patients had evidence of stent fracture immediately postprocedure and 1 (1.0%) other patient developed infective endocarditis at 6-month follow-up. At a median follow- ...
... RV compromise or increased RV pressure. One (1.0%) death occurred as a result of compression of the left coronary artery. Two (2.0%) patients had evidence of stent fracture immediately postprocedure and 1 (1.0%) other patient developed infective endocarditis at 6-month follow-up. At a median follow- ...
Murmurs
... The combined systolic and diastolic murmurs suggest aortic stenosis/sclerosis and aortic insufficiency. The fact that she had no murmur of aortic stenosis audible on initial examination and the fact that her echocardiogram also failed to reveal this suggests an acquired lesion related to her bacter ...
... The combined systolic and diastolic murmurs suggest aortic stenosis/sclerosis and aortic insufficiency. The fact that she had no murmur of aortic stenosis audible on initial examination and the fact that her echocardiogram also failed to reveal this suggests an acquired lesion related to her bacter ...
Managing Asymptomatic Patients With Chronic Mitral Regurgitation*
... Mitral valve replacement with a mechanical or tissue prosthesis can provide remarkable clinical benefits in selected patients with mitral valve disease. Unfortu¬ nately, the early benefits of tissue valves tend to be neutralized by a gradual increase in the need for reoperation after 7 to 10 years; ...
... Mitral valve replacement with a mechanical or tissue prosthesis can provide remarkable clinical benefits in selected patients with mitral valve disease. Unfortu¬ nately, the early benefits of tissue valves tend to be neutralized by a gradual increase in the need for reoperation after 7 to 10 years; ...
Balloon Aortic Valvuloplasty in the TAVI Era
... for achieving longer periods of enhanced QOL even further. Although unproven, some authors have suggested a survival benefit as well.12,14 Second, the option for TAVI in these poor-surgical-risk groups has had an explosive impact on the use of BAV. BAV is not only essential for predilation but has n ...
... for achieving longer periods of enhanced QOL even further. Although unproven, some authors have suggested a survival benefit as well.12,14 Second, the option for TAVI in these poor-surgical-risk groups has had an explosive impact on the use of BAV. BAV is not only essential for predilation but has n ...
Transcatheter pulmonary valve replacement
... replacement: valves, techniques of implantation and outcomes Transcatheter pulmonary valve replacement has changed the way we approach congenital and structural heart disease. In patients with a conduit between the right ventricle and pulmonary artery or a bioprosthetic pulmonary valve, there will e ...
... replacement: valves, techniques of implantation and outcomes Transcatheter pulmonary valve replacement has changed the way we approach congenital and structural heart disease. In patients with a conduit between the right ventricle and pulmonary artery or a bioprosthetic pulmonary valve, there will e ...
Heart valve macro- and microstructure
... challenged by different pressures but positioned in the same direction as flow. On the other hand, the atrioventricular valves are exposed to different flow features as the flow changes its direction when it is ejected by the ventricles. The mitral and tricuspid valve design consider these specific ...
... challenged by different pressures but positioned in the same direction as flow. On the other hand, the atrioventricular valves are exposed to different flow features as the flow changes its direction when it is ejected by the ventricles. The mitral and tricuspid valve design consider these specific ...
Flow Visualization in Mechanical Heart Valves
... observations have been made,8 therefore it appears that this local pressure drop below the atrial pressure is one of the contributing factors to the formation of the cavitation field. In this particle image velocimetry 共PIV兲 based investigation the effect of valve rebound on the local fluid flow pat ...
... observations have been made,8 therefore it appears that this local pressure drop below the atrial pressure is one of the contributing factors to the formation of the cavitation field. In this particle image velocimetry 共PIV兲 based investigation the effect of valve rebound on the local fluid flow pat ...
Transcatheter Aortic Valve Replacement With Early
... and the Asia-Pacific contributed to the registry. We SEE PAGE 1206 ...
... and the Asia-Pacific contributed to the registry. We SEE PAGE 1206 ...
Antepartum non-invasive evaluation of opening and closing timings
... (Ao:0.92, Ac:0.87, Mo:0.87, Mc:0.63) between spectrums of events of same type from two consecutive cycles. They suggested that the time frequency analysis of fetal Doppler signal should be able to distinguish fetal heart events and improve the current performance of DUS-based FHR monitors. Although ...
... (Ao:0.92, Ac:0.87, Mo:0.87, Mc:0.63) between spectrums of events of same type from two consecutive cycles. They suggested that the time frequency analysis of fetal Doppler signal should be able to distinguish fetal heart events and improve the current performance of DUS-based FHR monitors. Although ...
Anatomy of the mitral valve - European Heart Journal
... and elongation. This results in the effected leaflet segments ballooning into the left atrium.16 – 18 Echocardiographically, they are described as ‘prolapsing’ back into the atrium. The mural leaflet is the most frequent area to develop thickening.19,20 Mechanical stresses on the degenerative chords ...
... and elongation. This results in the effected leaflet segments ballooning into the left atrium.16 – 18 Echocardiographically, they are described as ‘prolapsing’ back into the atrium. The mural leaflet is the most frequent area to develop thickening.19,20 Mechanical stresses on the degenerative chords ...
Morphologic demonstration of spontaneous and
... closed at age 5 years. At age 31 years, he was found to have severe mitral regurgitation and underwent mitral valve replacement with inadvertent left circumflex coronary artery injury, resulting in one-vessel coronary artery bypass grafting. He developed heart failure symptoms at age 47 and underwent ...
... closed at age 5 years. At age 31 years, he was found to have severe mitral regurgitation and underwent mitral valve replacement with inadvertent left circumflex coronary artery injury, resulting in one-vessel coronary artery bypass grafting. He developed heart failure symptoms at age 47 and underwent ...
Aortic stenosis and systemic hypertension
... Doppler echocardiography and by catheterization, first at normal systemic arterial pressure, and subsequently during hypertension. Six of the 24 animals had two hypertension stages; hence, the protocol resulted in 54 data points. Some of these data were used in a previous publication (4). Other inve ...
... Doppler echocardiography and by catheterization, first at normal systemic arterial pressure, and subsequently during hypertension. Six of the 24 animals had two hypertension stages; hence, the protocol resulted in 54 data points. Some of these data were used in a previous publication (4). Other inve ...
Mitral Valve Surgery - HeartValveSurgery.com
... actually a patient – if it was only going to be 80%, we would recommend to keep following at this point. We want to make sure that if we’re going to intervene earlier, that we’re going to give the patient a valve repair. If you need to do a replacement, that’s, of course, another very interesting di ...
... actually a patient – if it was only going to be 80%, we would recommend to keep following at this point. We want to make sure that if we’re going to intervene earlier, that we’re going to give the patient a valve repair. If you need to do a replacement, that’s, of course, another very interesting di ...
Congenital Aortic Stenosis in Children
... present, another origin of the symptom should be investigated. There are several treatment options for cases in which intervention is indicated, including PTAV, open AVP, the Ross procedure, and AVR. Procedure selection is primarily dependent upon whether the patient’s somatic size (aortic annular s ...
... present, another origin of the symptom should be investigated. There are several treatment options for cases in which intervention is indicated, including PTAV, open AVP, the Ross procedure, and AVR. Procedure selection is primarily dependent upon whether the patient’s somatic size (aortic annular s ...
Mitral Valve Clip for Treatment of Mitral Regurgitation: OHTAC
... mitral regurgitation, New York Heart Association (NYHA) functional class, and quality of life (by 4 or 5 points on a scale of 100) from baseline values Very low quality of evidence indicates that percutaneous mitral valve clip repair may provide a survival advantage, at least during the first 1 to 2 ...
... mitral regurgitation, New York Heart Association (NYHA) functional class, and quality of life (by 4 or 5 points on a scale of 100) from baseline values Very low quality of evidence indicates that percutaneous mitral valve clip repair may provide a survival advantage, at least during the first 1 to 2 ...
The STS Mitral Repair/Replacement Composite Score: A Report of
... ablation, patients who had these concomitant procedures were included in the analysis. Conversely, exploratory analyses of concomitant TVr performance revealed that this increased the morbidity of mitral surgery. Given the frequent concomitant performance of TVr, this was added to the measure and in ...
... ablation, patients who had these concomitant procedures were included in the analysis. Conversely, exploratory analyses of concomitant TVr performance revealed that this increased the morbidity of mitral surgery. Given the frequent concomitant performance of TVr, this was added to the measure and in ...
9. cardiac cycle and heart sounds
... Heart murmurs caused by valvular lesions • Machinery murmur of patent ductus arteriosis In PDA blood flows from the aorta to the pulmonary arteryàmurmur during systole and diastole. The murmurs during sys ...
... Heart murmurs caused by valvular lesions • Machinery murmur of patent ductus arteriosis In PDA blood flows from the aorta to the pulmonary arteryàmurmur during systole and diastole. The murmurs during sys ...
Mitral Valve Prolapse
... Holter monitoring, or event monitoring. Indications for electrophysiologic testing are the same as for the general population. ...
... Holter monitoring, or event monitoring. Indications for electrophysiologic testing are the same as for the general population. ...
a pulsatile bioreactor for conditioning tissue engineered heart valves
... Tissue engineered constructs with autologous adult stem cells capable of selfrepair and growth are highly desired replacements for diseased heart valves. However, the current approaches have inadequate mechanical properties to withstand in vivo implantation. Therefore, our group hypothesized that an ...
... Tissue engineered constructs with autologous adult stem cells capable of selfrepair and growth are highly desired replacements for diseased heart valves. However, the current approaches have inadequate mechanical properties to withstand in vivo implantation. Therefore, our group hypothesized that an ...
a patient`s guide to heart valve surgery
... been performed safely and effectively for many years. Advances in surgical techniques and new products have led to the development of minimally invasive cardiac surgery. Minimally invasive valve surgery involves a smaller incision than the one the surgeon makes in the traditional surgical approach. ...
... been performed safely and effectively for many years. Advances in surgical techniques and new products have led to the development of minimally invasive cardiac surgery. Minimally invasive valve surgery involves a smaller incision than the one the surgeon makes in the traditional surgical approach. ...
iatrogenic left main coronary artery stenosis after aortic valve
... location and rapid evolution. Prompt diagnosis and treatment are essential for the patient’s survival. The usual clinical picture includes severe angina, ventricular arrhythmias, congestive heart failure and sudden death. It usually appears within the first six months but may occur up to thirty mont ...
... location and rapid evolution. Prompt diagnosis and treatment are essential for the patient’s survival. The usual clinical picture includes severe angina, ventricular arrhythmias, congestive heart failure and sudden death. It usually appears within the first six months but may occur up to thirty mont ...