Despite widespread awareness and use of scientifi cally proven life-prolonging medical and device-based therapies over the last two decades,heart failure remains a leading cause of morbidity,mortality,and health care ...Despite widespread awareness and use of scientifi cally proven life-prolonging medical and device-based therapies over the last two decades,heart failure remains a leading cause of morbidity,mortality,and health care expenditure in the United States.Mechanical circulatory support with a continuous-fl ow left ventricular assist device(CF-LVAD),either as a bridge to heart transplantation or as destination therapy,is an increasingly used treatment modality for patients with advanced heart failure syndromes that worsen despite their receiving standard therapies.CF-LVAD support creates unique hemodynamic alterations that must be understood to provide appropriate care for these patients before and after implantation.Echocardiography is essential in the evaluation of patients who are being considered for or are mechanically supported by CF-LVADs.Here we provide a focused clinical review on the use of echocardiography in two main aspects of the evaluation of these patients:(a)optimal patient selection for CF-LVAD support and(b)followup assessment of optimal pump function.展开更多
Heart failure is a complex clinical syndrome that can result from any structural or functional cardiac disorder that impairs the ability of the ventricle to fi ll with or eject blood.The echocardiogram is the single m...Heart failure is a complex clinical syndrome that can result from any structural or functional cardiac disorder that impairs the ability of the ventricle to fi ll with or eject blood.The echocardiogram is the single most performed and useful study in these patients.This article reviews the role of the echocardiogram in the evaluation of the heart failure patient,without focusing on the left ventricle.The discussion includes the use of the echocardiogram in the assessment of the right ventricle and diastolic function and in detecting hemodynamic and morphologic changes in heart failure over a period of time.In addition,we highlight some of the limitations of echocardiography in the assessment of these patients.展开更多
文摘Despite widespread awareness and use of scientifi cally proven life-prolonging medical and device-based therapies over the last two decades,heart failure remains a leading cause of morbidity,mortality,and health care expenditure in the United States.Mechanical circulatory support with a continuous-fl ow left ventricular assist device(CF-LVAD),either as a bridge to heart transplantation or as destination therapy,is an increasingly used treatment modality for patients with advanced heart failure syndromes that worsen despite their receiving standard therapies.CF-LVAD support creates unique hemodynamic alterations that must be understood to provide appropriate care for these patients before and after implantation.Echocardiography is essential in the evaluation of patients who are being considered for or are mechanically supported by CF-LVADs.Here we provide a focused clinical review on the use of echocardiography in two main aspects of the evaluation of these patients:(a)optimal patient selection for CF-LVAD support and(b)followup assessment of optimal pump function.
文摘Heart failure is a complex clinical syndrome that can result from any structural or functional cardiac disorder that impairs the ability of the ventricle to fi ll with or eject blood.The echocardiogram is the single most performed and useful study in these patients.This article reviews the role of the echocardiogram in the evaluation of the heart failure patient,without focusing on the left ventricle.The discussion includes the use of the echocardiogram in the assessment of the right ventricle and diastolic function and in detecting hemodynamic and morphologic changes in heart failure over a period of time.In addition,we highlight some of the limitations of echocardiography in the assessment of these patients.
