Key result
Left atrial functional parameters assessed by speckle tracking echocardiography progressively decreased with worsening myxomatous mitral valve disease (overall P < .001).
Why the study?
Does 2-dimensional speckle tracking echocardiography detect progressive decline in left atrial function in dogs with worsening myxomatous mitral valve disease?
Observational (n=150)
Does 2-dimensional speckle tracking echocardiography detect progressive decline in left atrial function in dogs with worsening myxomatous mitral valve disease?
p-value: p=<.001
Left atrial speckle tracking echocardiography highlights a progressive decline in atrial function with worsening myxomatous mitral valve disease in dogs.
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Supports speckle tracking for monitoring left atrial function in canine MMVD; leaves open validation and impact on outcomes.
Toaldo et al. (2017) conducted an observational in Myxomatous mitral valve disease (n=150). Myxomatous mitral valve disease vs. Healthy dogs (Class A) was evaluated on Left atrial areas, fractional area change, peak atrial longitudinal strain, peak atrial contraction strain, and contraction strain index (p=<.001). Left atrial functional parameters assessed by speckle tracking echocardiography progressively decreased with worsening myxomatous mitral valve disease (overall P < .001).
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