Table 1.

Echocardiographic Results after MI in WT and TRPV1^-/- Mice

Parameters	Sham		3 Days after MI		7 Days after MI
Parameters	WT	TRPV1^-/-	WT	TRPV1^-/-	WT	TRPV1^-/-
n	16	16	9	8	8	8
Body weight	27.4 ± 0.5	27.9 ± 0.6	27.3 ± 0.6	27.6 ± 0.7	28.0 ± 0.5	28.2 ± 0.6
HR	397 ± 27	392 ± 29	394 ± 28	387 ± 26	364 ± 29	396 ± 30
PWthd, (mm)	0.72 ± 0.06	0.73 ± 0.05	0.78 ± 0.07	0.82 ± 0.08^*	0.87 ± 0.09^*	0.98 ± 0.07^*^†^‡
PWths, (mm)	1.31± 0.05	1.34 ± 0.07	1.40 ± 0.12	1.49 ± 0.15^*	1.70 ± 0.11^*^‡	1.92 ± 0.12^*^†^‡
LVIDd, (mm)	3.1 ± 0.17	3.2 ± 0.18	4.02 ± 0.26^*	4.75 ± 0.29^*^†	4.52 ± 0.25^*^‡	5.2 ± 0.28^*^†^‡
LVIDs, (mm)	2.3 ± 0.19	2.4 ± 0.16	2.99 ± 0.28^*	4.02 ± 0.25^*^†	3.76 ± 0.24^*^‡	4.46 ± 0.27^*^†^‡
% EF	58.5 ± 3.2	57.8 ± 3.4	50.4 ± 3.6^*	32.9 ± 3.4^*^†	42.6 ± 3.8^*^‡	27.0 ± 3.5^*^†^‡

Data are expressed as mean ± SEM. HR, Heart rate; BW, body weight; PWthd, posterior wall thickness in diastole; PWths, posterior wall thickness in systole; LVIDd, left ventricle internal diameter in diastole; LVIDs, left ventricular internal diameter in systole; EF, left ventricular ejection fraction

P<0.05 vs sham

^†

P<0.05 vs. WT

^‡

P<0.05 vs. corresponding day 3