Quantification of left ventricular volumes and function in anesthetized beagles using real-time three-dimensional echocardiography: 4D-TomTec™ analysis versus 4D-AutLVQ™ analysis in comparison with cardiac magnetic resonance imaging

Table 1 Values of left ventricular volumetric measurements

	CMRI	4D-AutLVQ™	4D-TomTec™	4D-AutLVQ™
	CMRI	with manual correction	4D-TomTec™	without manual correction
EF (%)	47.22 ± 4.45^a,d	55.30 ± 7.96^a	53.44 ± 11.40^b,f	56.70 ± 6.79^d,f
EDV (ml)	37.14 ± 2.69^a,b,d	29.97 ± 4.75^a,e	31.78 ± 5.35^b,f	25.23 ± 7.33^d,e,f
ESV (ml)	19.68 ± 2.82^a,b,d	13.50 ± 3.53^a,e	14.89 ± 5.52^b,f	11.20 ± 4.14^d,e,f
SV (ml)	17.46 ± 1.10^d	16.47 ± 3.63^e	16.89 ± 4.24^f	14.03 ± 3.81^d,e,f

Mean and standard deviation (SD) of left ventricular end-diastolic (EDV) end-systolic (ESV) volume, stroke volume (SV) and ejection fraction (EF) in 10 healthy anesthetized beagles measured with different three-dimensional echocardiographic based analyzing software programs (4D-AutLVQ™ and 4D-TomTec™) in comparison with cardiac magnetic resonance imaging (CMRI)
^a,b,csignificant differences (P-value < 0.05); ^asignificant differences between CMRI and 4D-AutLVQ™ with manual correction; ^bsignificant differences between CMRI and 4D-TomTec E; ^csignificant differences between 4D-AutLVQ™ and 4D-TomTec™, ^dsignificant differences between CMRI and 4D-AutLVQ™ without manual correction; ^esignificant differences between 4D-AutLVQ™ with manual correction and 4D-AutLVQ™ without manual correction; ^fsignificant differences between 4D-TomTec™ and 4D-AutLVQ™ without manual correction

ISSN: 1746-6148