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Table 5 Echocardiographic variables of all study participants before (pre), immediately after (post) and 14 days after (follow-up) the marathon

From: Cardiac and renal function in a large cohort of amateur marathon runners

Parameter Pre Post Follow-up p (Pre vs. Post) p (Pre vs. Follow-up)
LV systolic function     
FS [%] 41.5 (37.0-46.5) 46.0 (40.9-52.0) 45.0 (37.0-50.0) <0.001 0.001
MPI LV 0.46 (0.40-0.55) 0.47 (0.41-0.58) 0.44 (0.35-0.52) 0.116 0.018
Longitudinal 2D strain septal basal [%] -17.8 (15.5-20.2) -19.6 (16.3-22.8) -18.6 (15.6-21.4) <0.001 0.566
Peak systolic velocity septal basal S’[m/s] 0.07 (0.07-0.08) 0.09 (0.08-0.10) 0.08 (0.07-0.09) <0.001 0.009
LV diastolic function     
E [m/s] 0.80 (0.70-0.92) 0.67 (0.55-0.77) 0.81 (0.69-0.92) <0.001 0.281
A [m/s] 0.60 (0.50-0.70) 0.69 (0.60-0.81) 0.60 (0.50-0.68) <0.001 0.531
E/A 1.40 (1.10-1.60) 0.91 (0.76-1.20) 1.3 (1.10-1.67) <0.001 0.768
E/E’ 7.75 (6.63-9.43) 9.08 (7.41-11.08) 7.80 (6.87-9.15) 0.001 0.150
E’ septal [m/s] 0.10 (0.09-0.12) 0.09 (0.07-0.11) 0.10 (0.09-0.12) <0.001 0.484
A’ [m/s] 0.09 (0.07-0.10) 0.11 (0.09-0.13) 0.09 (0.08-0.11) <0.001 0.070
DT [ms] 187.0 (145.3-230.0) 130.0 (106.8-170.5) 177.0 (143.0-223.5) <0.001 0.324
Right heart parameters     
RVEDD [mm] 32.0 (29.0-38.0) 31.0 (28.0-35.5) 34.0 (30.0-38.0) 0.008 0.079
TAPSE [mm] 28.0 (26.0-31.0) 28.0 (25.0-29.0) 28.0 (25.0-30.0) 0.025 0.429
RV S’ [m/s] 0.11 (0.10-0.12) 0.11 (0.09-0.13) 0.11 (0.10-0.13) 0.958 0.325
MPI RV 0.53 (0.41-0.72) 0.50 (0.41-0.65) 0.48 (0.38-0.71) 0.196 0.004
Longitudinal TDI RV strain basal [%] -24.8 (20.0-29.5) -23.6 (18.8-29.5) -26.0 (21.1-30.1) 0.681 0.197
Longitudinal TDI RV strain mid [%] -32.6 (26.7-39.1) -29.0 (22.5-34.5) -32.0 (24.1-37.9) <0.001 0.477
Longitudinal TDI RV strain apical [%] -32.4 (24.5-32.8) -26.9 (20.5-32.8) -27.8 (21.7-35.9) <0.001 0.020
  1. Values are shown as median (IQR). Statistically significant values are marked in bold. LV, left ventricular; FS, fractional shortening; MPI, myocardial performance index; E, peak transmitral E-wave velocity; A, peak transmitral A-wave velocity; E/A, ratio of transmitral E to transmitral A; E’ septal, early diastolic annular velocity measured in the septal annulus; A’, late diastolic annular velocity measured in the septal annulus; E/E’, ratio of peak early transmitral diastolic velocity to early septal annular velocity; DT, deceleration time of the transmitral E-wave; RV, right ventricular; RVEDD, RV end diastolic diameter; TAPSE, tricuspid annular plane systolic excursion; RV S’, peak systolic velocity of the basal RV free wall segment.