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Case Presentation of Low Flow Aortic Stenosis
The definition of severe aortic stenosis has classically and retrospectively been based on the natural history of patients with medically managed aortic stenosis and preserved left ventricular function in an era where surgical aortic valve replacement was the sole therapy. We now recognize that this disease is more heterogeneous and includes important subsets of patients with low stroke volume index (low flow) and low-gradients with reduced (classical) or preserved (paradoxical) ejection fraction. These patients pose diagnostic and treatment dilemmas, requiring a comprehensive assessment with integration of multimodality imaging, testing, and clinical assessment. Surgery in these patients has been associated with higher operative mortality and lower long-term survival.
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Dr. Panigrahi N K
MBBS, MD,DNB(Cardiology) Apollo Hospitals ,Vizag
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The definition of severe aortic stenosis has classically and retrospectively been based on the natural history of patients with medically managed aortic stenosis and preserved left ventricular function in an era where surgical aortic valve replacement was the sole therapy. We now recognize that this disease is more heterogeneous and includes important subsets of patients with low stroke volume index (low flow) and low-gradients with reduced (classical) or preserved (paradoxical) ejection fraction. These patients pose diagnostic and treatment dilemmas, requiring a comprehensive assessment with integration of multimodality imaging, testing, and clinical assessment. Surgery in these patients has been associated with higher operative mortality and lower long-term survival.