Atrial Dyssynchrony Measured by Strain Echocardiography as a Marker of Proarrhythmic Remodeling and Oxidative Stress in Cardiac Surgery Patients

Table 4

Comparative atrial strain measurements in both groups.

Atrial strain variables	Dyssynchronous	Synchronous	value
Reservoir LA strain (%)	25.34 ± 8.7	31.30 ± 10.99	0.433
Conduit LA strain (%)	11.62 ± 5.08	15.61 ± 6.99	0.063
Contractile LA strain (%)	14.58 ± 5.8	16.37 ± 5.57	0.963
Strain rate LA reservoir (1/s)	1.16 ± 0.51	1.44 ± 0.58	0.867
Strain rate LA conduit (1/s)	-1.13 ± 0.60	1.63 ± 1.45	0.419
Strain rate LA contraction (1/s)	-1.01 ± 0.61	-1.15 ± 0.66	0.623
Reservoir RA strain (%)	46.81 ± 21.29	52.50 ± 19.13	0.623
Conduit RA strain (%)	20.62 ± 12.59	25.56 ± 14.26	0.787
Contractile RA strain (%)	17.92 ± 13.19	26.73 ± 14.69	0.598
Strain rate RA reservoir (1/s)	1.96 ± 0.83	2.04 ± 0.59	0.336
Strain rate RA conduit (1/s)	-1.52 ± 1.02	-2.10 ± 0.86	0.605
Strain rate RA contraction (1/s)	-1.22 ± 0.74	-1.68 ± 1.31	0.080

Data are expressed as mean and SD. value values for analysis of -test. LA: left atria; RA: right atria.