Clinical Study

Improved Left Ventricular Diastolic Function with Exercise Training in Hypertension: A Doppler Imaging Study

Table 4

Doppler echocardiographic parameters at baseline and after 6 months in the 2 patient groups.

Exercise groupControl group 𝑃 -value
𝑛 = 2 5 𝑛 = 2 5
Baseline6 monthsBaseline6 months

LAVI (ml/m2)35.1 (4.2) 32.3 (3.8)35.7 (3.9)35.9 (4.2).017
LVDd (mm)47.4 (5.5)46.9 (6.1)48.1 (3.3)48.3 (4.0).592
LVSd (mm)32.4 (2.6)33.1 (2.8)32.8 (2.4)33.1 (3.1).273
IVST (mm)10.8 (0.9)10.5 (1.0)11.1 (0.7)10.9 (0.9).269
PVST (mm)10.3 (0.4)10.2 (0.5)10.4 (0.3)10.4 (0.6).727
LVEF (%)54.5 (5.5)55.1 (6.2)55.0 (4.9)54.8 (4.6).614
E/A0.75 (0.07)0.88 (0.06)0.72 (0.05)0.70 (0.07).004
DT (ms)220 (14)242 (18)226 (20)218 (19).018
IVRT (ms)109 (12)89 (11)106 (14)109 (13).037
S/D1.4 (0.2)1.1 (0.3)1.5 (0.2)1.2 (0.2).008
Ea/Aa [1]0.87 (0.26)1.12 (0.28)0.90 (0.24)0.96 (0.30).019
Ea/Aa [2]0.92 (0.18)1.20 (0.24)0.89 (0.17)0.87 (0.25).006
Ea/Aa [3]0.85 (0.17)1.05 (0.23)0.86 (0.23)0.86 (0.19).028
Ea/Aa [4]0.96 (0.16)1.21 (0.18)0.96 (0.27)0.93 (0.29).036
Mean Ea/Aa0.89 (0.23)1.19 (0.21)0.91 (0.23)0.90 (0.24).011

LAVI: left atrial volume index; LVDd: left ventricular end-diastolic diameter; LVSd: left ventricular end-systolic diameter; IVST: interventricular septum thickness in diastole; PVST: posterior ventricular septum thickness in diastole; LVEF: left ventricular ejection fraction; E: early diastolic mitral inflow peak velocity; A: late diastolic mitral inflow peak velocity; DT: deceleration time of the mitral E wave; IVRT: isovolumic relaxation time; S/D: systolic velocity to diastolic velocity ratio by pulmonary veins; Ea: early diastolic myocardial peak velocity; Aa: late diastolic myocardial peak velocity; Ea/Aa [1], Ea/Aa [2], Ea/Aa [3], and Ea/Aa [4] refer to Ea/Aa ratio at septum mitral annulus, lateral mitral annulus, interventricular medium septum, and lateral medium wall, respectively; meanEa/Aa = (Ea/Aa [1] + Ea/Aa [2] + Ea/Aa [3] + Ea/Aa [4])/4.