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. 2021 Dec 21;44(3):1689–1702. doi: 10.1007/s11357-021-00496-x

Table 1.

Echocardiography parameters in WT and 12/15LOX−/− aging mice

WT (2 months) 12/15LOX−/− (2 months) 12/15LOX−/− (6 months) 12/15LOX−/− (13 months)
n 10 10 10 14
Body weight (g) 25 ± 1 21 ± 1 24 ± 1 25 ± 1
Heart rate (bpm) 471 ± 12 499 ± 14 435 ± 16 462 ± 12
EDD (mm) 3.8 ± 0.07 3.5 ± .08 3.9 ± 0.09 3.9 ± 0.09
ESD (mm) 2.3 ± 0.07 2.2 ± .09 2.9 ± 0.08 2.9 ± 0.08
Fractional shortening (%) 39 ± 1 37 ± 1 26 ± 1*# 26 ± 1*#
PWTs (mm) 1.09 ± 0.03 1.03 ± 0.02 1.16 ± .07 1.08 ± 0.04
GLS (%)  − 20 ± 1  − 15 ± 2  − 15 ± 2  − 14 ± 2
EDV (µl) 49 ± 3 44 ± 3 56 ± 3*# 68 ± 4*#
ESV (µl) 21 ± 2 25 ± 2 29 ± 3 33 ± 2*#
Ejection fraction (%) 58 ± 3 44 ± 2 49 ± 3 52 ± 2
E/A 1.6 ± 0.09 1.3 ± 0.04 1.4 ± 0.08 1.4 ± 0.05

Values are mean ± SEM; n indicates sample size. bpm beats per minute, EDD end-diastolic dimension, ESD end-systolic dimension, ESV end-systolic volume, EDV end-diastolic volume, GLS global longitudinal strain, PWT Posterior wall thickness, S systole, mm millimeter, E velocity of early mitral flow, A velocity of late mitral flow. *p < 0.05 vs. day 0 wild-type (WT 2 months) l; #p < 0.05 vs. 12/15LOX−/− 2 months