Table 2.

Echocardiographic standard and speckle-tracking deformation parameters of rats stratified for experimental groups

Variable	Control Early	Adenine Nephropathy Early	5/6 Nephrectomy Early	Control Late	Adenine Nephropathy Late	5/6 Nephrectomy Late
Heart rate (beats/min)	306±32	314±31	309±18	310±23	308±28	307±18
LVIDs (cm)	0.33±0.08	0.4±0.09	0.37±0.08	0.35±0.05	0.42±0.04	0.48±0.08a
LVIDd (cm)	0.63±0.15	0.72±0.15	0.65±0.08	0.67±0.05	0.69±0.08	0.77±0.12
IVSs (cm)	0.18±0.03	0.28±0.04a	0.29±0.05a	0.19±0.02	0.35±0.13b	0.4±0.05a
IVSd (cm)	0.17±0.03	0.23±0.05b	0.26±0.05a	0.18±0.02	0.29±0.07b	0.32±0.05a
LVPWs (cm)	0.27±0.05	0.27±0.05	0.3±0.06	0.27±0.05	0.39±0.05a	0.38±0.04a
LVPWd (cm)	0.19±0.02	0.27±0.05b	0.28±0.04a	0.22±0.04	0.31±0.02c	0.31±0.02c
SV (ml)	0.26±0.04	0.26±0.02	0.24±0.02	0.26±0.01	0.23±0.03b	0.22±0.03a
SC peak G	−24±3.5	−18.5±1.8b	−18.4±2.6b	−22.9±3.4	−17±3.2a	−15.2±1.6a
SC peak S	−23.2±3.2	−17.6±1.6b	−16.4±3.8b	−21.1±3.4	−14±5.3b	−13.6±2b
SR peak G	30.5±5.9	16.8±3.3c	16.1±3.4c	29.9±6.3	12.8±4.2c	12.2±3.7c
SrC peak S	−6.2±0.8	−5.3±0.7	−4.7±0.2a	−6.1±1	−4.8±0.9	−4.1±1a
SrC peak E	6.2±0.56	6.2±1.1	4.7±2.3	6.4±1	4.1±2.3	3.9±2.3
SrR peak S	6.7±1.2	4.7±1b	4.6±1.5b	7.1±1.2	5±1.7b	4.7±0.6b
SrR peak E	−7±1.1	−5.2±0.9b	−3.8±1.3c	−7.3±0.8	−5.2±1.6b	−4.6±1.1a

Values are expressed as the mean±SD. LVIDs and LVIDd, left ventricular end-systolic and end-diastolic diameter; IVSs, septal thickness end-systolic; IVSd, septal thickness end-diastolic; LVPWs, left ventricular posterior wall thickness end-systolic; LVPWd, left ventricular posterior wall thickness end-diastolic; SV, stroke volume; SC peak G, strain circumferential global peak value; SC peak S, strain circumferential peak systolic value; SR peak G, strain radial peak global; SrC peak S, strain rate circumferential peak systolic value; SrC peak E, strain rate circumferential diastolic peak E; SrR peak S, strain rate radial systolic peak value; SrR peak E, strain rate radial diastolic peak E.

^aP<0.01 versus control.

^bP<0.05 versus control.

^cP<0.001 versus control.