Effect of renal perfusion and structural heterogeneity on shear wave elastography of the kidney: an in vivo and ex vivo study

Table 3 Measurement of YM in the renal cortex, medulla and sinus of beagle’s kidneys with varying renal perfusion ex vivo

Ligation status	Cortex (Kpa, n = 6)			Medulla (Kpa, n = 6)			Sinus (Kpa, n = 6)
Ligation status	0 mmHg	75 mmHg	150 mmHg	0 mmHg	75 mmHg	150 mmHg	0 mmHg	75 mmHg	150 mmHg
No ligation	12.23 ± 0.83	52.99 ± 6.77^**	87.50 ± 2.36^**	12.26 ± 1.88	35.56 ± 2.48^**	66.95 ± 2.34^**	18.32 ± 1.91	44.86 ± 3.86^**	89.23 ± 7.39^**
Vein ligation	12.15 ± 1.06	52.79 ± 11.37^**	81.63 ± 13.33^**	12.81 ± 1.91	36.85 ± 2.48^**	52.39 ± 7.20^**	20.65 ± 3.91	46.48 ± 5.19^**	86.81 ± 10.48^**
Combined ligation	12.79 ± 2.48	47.31 ± 13.40^**	101.39 ± 5.61^**##	16.70 ± 5.36	37.59 ± 4.72^**	79.42 ± 3.68^**##	23.06 ± 3.59	47.12 ± 1.78^**	104.60 ± 17.00^**

Values are given as the mean ± SD. Measurements were obtained at the mid-portion of the kidneys. Using paired t-test or ANOVA analysis. Compared with 0 mmHg: ^** P<0.01. Compared with no ligation: ^## P<0.01

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