TABLE 2.

Peak resting systolic myocardial strain in heart failure and hypertrophic left ventricular disease

Cohort	Longitudinal strain, %		Circumferential strain, %		Radial strain, %		EF, %		Author (reference)
	Control	Patient	Control	Patient	Control	Patient	Control	Patient
LVH	−22.9	−17.9**	−23.7	−20.4**	+74.4	62.7**	77	70*	Mizuguchi et al (19)
AS	−20.3	−14.6**	−19.5	−15.2**	+38.9	+33.9 (NS)	62	61 (NS)	Delgado et al (21)
HBP	−20.3	−17.2**	−19.5	−17.0 (NS)	+38.9	+34.4 (NS)	62	61 (NS)	Delgado et al (21)
HCM	−20.3	−15.1**	−19.6	−16.8**	+36.8	+25.2**	67	69 (NS)	Serri et al (23)
HFPEF	−19.0	−12.0*	−20.0	−15.0 (NS)	+47.0	+28.0*	64	63 (NS)	Wang et al (17)
HFPEF	−20.9	−18.9*	NA	NA	+49.2	+41.8*	62	61 (NS)	Tan et al (18)
HFPEF	−20.9	−15.9**	−26.4	−20.8 (NS)	+44.5	+32.9**	68	61 (NS)	Yip et al (20)
HFREF	−19.0	−4.0*	−20.0	−7.0*	+47.0	+14.0*	64	24*	Wang et al (17)
HFREF	−20.9	−9.6**	−26.4	−9.5**	+44.3	+18.0**	68	31*	Yip et al (20)

^*P<0.01;

^**P<0.001. AS Aortic stenosis; EF Ejection fraction; HBP High blood pressure; HCM Hypertrophic cardiomyopathy; HFPEF Heart failure with preserved ejection fraction; HFREF Heart failure with reduced ejection fraction; LVH Concentric left ventricular hypertrophy; NA Data not available; NS Not statistically significant (ie, P>0.05)