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Figure 3 Relationships Between E', Compliance, and Late-Systolic Load
The association between tissue Doppler echocardiography early-diastolic velocity (E') and afterload is strongest for arterial compliance and late-systolic load (carotid augmentation index [cAI], radial augmentation index [rAI], and last tertile of central pulse pressure-time integral [PTI]), suggesting that these factors may particularly affect early relaxation. Dotted lines show 95% confidence bands for the regression slopes. Ca = total arterial compliance.
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