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Table 4 Relationship of torsion and twist to clinical and echocardiographic variables

From: Impact of the left anterior descending artery wrapping around the left ventricular apex on cardiac mechanics in patients with normal coronary angiography

 TorsionTwist  TorsionTwist
HR (b/min)R
P
− .014
.905
.084
.487
mitral E/AR
P
− .015
.902
.123
.310
SBP (mmHg)R
P
.107
.374
.168
.162
DT (ms)R
P
.174
.152
.011
.927
DBP (mmHg)R
P
.183
.126
.119
.323
E/EaR
P
.083
.493
.147
.225
LAD (mm)R
P
.072
.556
.001
.993
Ea(cm/s)R
P
.089
.465
.080
.510
LAV (ml/m2)R
P
.101
.405
.048
.690
Aa(cm/s)R
P
.067
.583
.180
.137
ESD (mm)R
P
.055
.652
.033
.787
Sa(cm/s)R
P
.105
.385
.132
.275
EDD (mm)R
P
.090
.460
.048
.694
εsys% GlobalR
P
.070
.563
.477
.000
Septum (mm)R
P
.033
.789
.042
.727
Mean TTP (ms)R
P
.107
.374
.188
.116
PW (mm)R
P
.002
.990
.001
.993
TTP-SD (ms)R
P
.163
.175
.249
.032
FS%R
P
.064
.600
.073
.550
TTP-d (ms)R
P
.170
.157
.231
.053
EF%R
P
.063
.605
.065
.591
Global SRsys(%)R
P
.007
.952
.231
.053
LVM (gm)R
P
.132
.278
.048
.694
Global SRe(S-1)R
P
.058
.628
.553
.000
LVMI (gm/m2)R
P
.109
.369
.111
.362
Global SRa(S-1)R
P
.045
.710
.078
.520
Mitral E (cm/s)R
P
.047
.699
.016
.897
Basal Circ εsys%R
P
.074
.541
.546
.000
Mitral A (cm/s)R
P
.016
.896
.090
.458
Apical Circ SRsysR
P
.027
.820
.616
.000
  1. SBP systolic blood pressure, DBP diastolic blood pressure, LAD left atrium dimension, LAV left atrium volume, ESD left ventricular end-systolic diameter, EDD left ventricular end-diastolic diameter, EF ejection fraction, PW posterior wall, LVMI left ventricular mass index, E/A ratio of early to late diastolic mitral inflow velocity, DT deceleration time, E/Ea ratio of early to early tissue doppler diastolic mitral flow, Ea early diastolic annular velocity, Aa late diastolic annular velocity, Sa peak systolic annular velocity, ɛsys peak systolic strain, TTP time to peak strain, SD standard deviation, SRsys peak systolic strain rat, SRe early diastolic strain rate, SRa diastolic strain rate