Table 2 Distribution of left atrial strains and volumes across diastolic dysfunction categories.
Normal diastolic function | Grade I diastolic dysfunction | Grade II diastolic dysfunction | Grade III diastolic dysfunction | |
---|---|---|---|---|
Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | |
LA reservoir strain (%) | − 27.4 (8.13) | − 19.1 (8.01) | − 13.5 (5.42) | − 8.9 (5.77) |
LA conduit strain (%) | − 13.9 (5.85) | − 10.4 (7.24) | − 9.3 (5.15) | − 6.2 (3.3) |
LA pump strain (%) | − 13.6 (5.65) | − 8.7 (5.52) | − 4.2 (4.1) | − 2.8 (3.93) |
LAVmin (ml/m2) | 15.9 (5.23) | 30.5 (14.84) | 48.1 (24.48) | 74.7 (66.51) |
LAVmaxvol (ml/m2) | 38.8 (10.13) | 53.4 (18.81) | 71 (26.5) | 94.3 (66.86) |
LAEF (%) | 58.6 (8.21) | 44.3 (12.04) | 36.6 (13.95) | 29.4 (17.61) |
LV longitudinal strain (%) | − 13.9 (1.97) | − 8.4 (3.32) | − 8.6 (4.52) | − 6.5 (2.65) |