Among asymptomatic patients with chronic, severe primary MR, can serial global longitudinal strain measurements assist with determining timing for repeat surveillance TEEs and/or facilitate timing for MVR?  

The first issue when discussing asymptomatic, severe valve disease is clarifying symptom status. Hemodynamic stress echocardiography or catheterization may unmask symptoms or elevated pulmonary artery pressures at an age-appropriate workload; abnormalities of functional capacity or pulmonary pressur...