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

Badran, Hala Mahfouz; Ibrahim, Waleed Abdou; Alaksher, Tamer; Soltan, Ghada

doi:10.1186/s43044-020-00059-z

The Egyptian Heart Journal

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

		Torsion	Twist			Torsion	Twist
HR (b/min)	R P	− .014 .905	.084 .487	mitral E/A	R 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/E_a	R P	− .083 .493	− .147 .225
LAD (mm)	R P	− .072 .556	− .001 .993	E_a(cm/s)	R P	− .089 .465	.080 .510
LAV (ml/m²)	R P	− .101 .405	.048 .690	A_a(cm/s)	R P	− .067 .583	.180 .137
ESD (mm)	R P	− .055 .652	− .033 .787	S_a(cm/s)	R P	.105 .385	.132 .275
EDD (mm)	R P	− .090 .460	− .048 .694	ε_sys% Global	R 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 SR_sys(%)	R P	.007 .952	.231 .053
LVM (gm)	R P	− .132 .278	.048 .694	Global SR_e(S^-1)	R P	− .058 .628	.553 .000
LVMI (gm/m²)	R P	− .109 .369	.111 .362	Global SR_a(S^-1)	R P	.045 .710	.078 .520
Mitral E (cm/s)	R P	− .047 .699	− .016 .897	Basal Circ ε_sys%	R P	.074 .541	.546 .000
Mitral A (cm/s)	R P	.016 .896	− .090 .458	Apical Circ SR_sys	R P	− .027 .820	.616 .000

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, E_a early diastolic annular velocity, A_a late diastolic annular velocity, S_a peak systolic annular velocity, ɛ_sys peak systolic strain, TTP time to peak strain, SD standard deviation, SR_sys peak systolic strain rat, SR_e early diastolic strain rate, SR_a diastolic strain rate

Back to article page