Prognostic value of fast semi-automated left atrial long-axis strain analysis in hypertrophic cardiomyopathy

Table 4 Bivariate correlation between LGE, LA diameter, LA volumetric measurements and corresponding fast strain parameters in HCM patients

Phase	LGE/LA diameter/volumetric measurements	Correlation coefficient	P value
Reservoirεs	LGE extent	− 0.17	0.002*
	LA diameter	− 0.43	< 0.001*
	Total LAEF	0.79	< 0.001*
	LAVI max	− 0.51	< 0.001*
Conduit εe	LGE extent	− 0.11	0.048*
	LA diameter	− 0.36	< 0.001*
	Passive LAEF	0.67	< 0.001*
	LAVI p-ac	− 0.52	< 0.001*
Booster pump εa	LGE extent	− 0.15	0.005*
	LA diameter	− 0.32	< 0.001*
	Active LAEF	0.68	< 0.001*
	LAVI min	− 0.53	< 0.001*

EF ejection fraction, LGE late gadolinium enhancement, LAEF left atrial empty fraction, LAVI max maximal left atrial volume index, LAVI p-ac left atrial volume index prior to atrial contraction, LAVI min minimal left atrial volume index, ε left atrial strain
^*p < 0.05

ISSN: 1532-429X