Detection of subclinical myocardial dysfunction in cocaine addicts with feature tracking cardiovascular magnetic resonance

Table 4 CMR-FT derived parameters

	Healthy Controls	CA-LVEF_p	CA-LVEF_d	P
LV_GLS (%)	−18.24 ± 2.7	−14.1 ± 2.4	−12.4 ± 3.7	< 0.001
LV_GRS (%)	33.5 ± 11.3	26.4 ± 9.2	19.8 ± 9.5	0.001
LV_GCS (%)	− 18.5 ± 5.3	− 15.0 ± 3.8	− 11.7 ± 4.7	< 0.001
LV_L-SDI (%)	8.95 ± 3.5	10.4 ± 5.8	14.9 ± 8.0	0.019
LV_R-SDI (%)	7.1 ± 2.8	10.0 ± 4.7	13.9 ± 8.1	0.001
LV_C-SDI (%)	8.0 ± 3.4	9.7 ± 4.7	14.8 ± 9.1	0.002
LV_GLSR (s^− 1)	− 111 ± 22	−92 ± 28	−81 ± 25	0.003
LV_GRSR (s⁻¹)	228 ± 99	188 ± 104	142 ± 70	0.042
LV_GCSR (s^− 1)	− 125 ± 32	− 118 ± 100	− 80 ± 62	0.110
RV_GLS (%)	− 19.3 ± 2.7	− 16.3 ± 3.3	− 15.1 ± 2.7	0.002
RV_GRS (%)	40.9 ± 10.9	29.8 ± 9.0	27.0 ± 7.5	0.003
RV_GLSR (s-1)	− 129 ± 34	− 109 ± 30	− 78 ± 63	0.025
RV_GRSR (s-1)	241 ± 61	181 ± 63	167 ± 39	0.031

LV left ventrticle, RV right ventricle, CA-LVEF_p cocaine addicts with preserved systolic function, CA-LVEF_d cocaine addicts with mildly decreased systolic function, GLS global longitudinal strain, GRS global radial strain, GCS global circumferential strain, GLSR global longitudinal strain rate, GRSR global radial strain rate, GCSR global circumferential strain rate, L-SDI longitudinal systolic dyssynchrony index, R-SDI radial systolic dyssynchrony index, C-SDI circumferential systolic dyssynchrony index

ISSN: 1532-429X