Validation of a rapid semi-automated method to assess left atrial longitudinal phasic strains on cine cardiovascular magnetic resonance imaging

Table 3 Correlation of left atrial volumetric measurements and corresponding fast strain and strain rate parameters

Phases	Strain/SR	Volumetric measurements	Correlation coefficient	P value
Reservoir	ε _s	Total LAEF	0.92	< 0.0001
Reservoir	SR_s	Total LAEF	0.83	< 0.0001
Conduit	ε _e	Passive LAEF	0.83	< 0.0001
Conduit	SR_e	Passive LAEF	−0.76	< 0.0001
Booster pump	ε _a	Active LAEF	0.88	< 0.0001
Booster pump	SR_a	Active LAEF	−0.84	< 0.0001

ε left atrial strain, SR left atrial strain rate, LAEF left atrial emptying fraction

ISSN: 1532-429X