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. 2009 Jun;59(3):272–279.

Table 3.

Left ventricular diastolic properties before (baseline) and 1 and 6 wk after induction of acute MI in pigs

Baseline Week 1 Week 6
EDPVR β (mm Hg/mL) 0.03 ± 0.005 0.05 ± 0.01a 0.1 ± 0.01ab
dP/dtmin (mm Hg/s) −1093 ± 33 −1024 ± 32 −890 ± 32ab
τ (ms) 56.5 ± 1.8 68.9 ± 1.8a 62 ± 1.8b

dP/dtmin, peak of pressure decay; EDPVR, end-diastolic pressure–volume relationship based on the β coefficient; τ, time constant of isovolumic relaxation

a

P < 0.05 compared with baseline value.

b

P < 0.05 compared with value at 1 wk after MI.