Table 4.

Influence on Postexercise Heterogeneity by Posterolateral Wall Adaptation: Effects of Mitral E/e′

	E/e′ >15, n = 19	E/e′ 10–15, n = 25	E/e′ <10, n = 26	P by ANOVA
Basal‐septal Sm, cm/s
Baseline	4.5 ± 1.7	5.7 ± 1.6a	5.4 ± 1.0a	0.031
Postexercise	4.9 ± 1.7	6.2 ± 2.0a, b	6.1 ± 1.2a, b	0.044
Basal‐posterolateral Sm, cm/s
Baseline	4.7 ± 1.4	5.7 ± 1.5a	6.6 ± 1.6a, c	<0.001
Postexercise	4.8 ± 1.3	5.7 ± 1.6	7.2 ± 2.1a, b, c	<0.001
Posterolateral Sm/septal Sm
Baseline	1.17 ± 0.48	1.06 ± 0.30	1.27 ± 0.32	0.116
Postexercise	1.03 ± 0.30b	0.98 ± 0.31b	1.20 ± 0.33c	0.040
Basal‐septal Ts, ms
Baseline	195 ± 40	193 ± 33	186 ± 27	0.646
Postexercise	189 ± 51	187 ± 50	187 ± 43	0.991
Basal‐posterolateral Ts, ms
Baseline	213 ± 42	226 ± 46	195 ± 37c	0.035
Postexercise	211 ± 30	231 ± 43	191 ± 38c	0.003
Max Diff‐Ts, ms
Baseline	55 ± 40	59 ± 48	38 ± 38	0.165
Postexercise	70 ± 31b	79 ± 39b	39 ± 34a , c	0.001

Abbreviations: ANOVA, analysis of variance; e′, annular early diastolic velocity; Max Diff, maximal difference between posterolateral wall and septum; Sm, systolic myocardial velocity; Ts, electromechanical time delay.

^a P < 0.05, E/e′<10 or 10–15 group vs>15 group;

^b P < 0.05, postexercise vs baseline by paired t test.

^c P < 0.05, E/e′ <10 group vs 10–15 group.