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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Beillas, Philippe
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Publications (4/4 displayed)
- 2016Abdominal wall muscle elasticity and abdomen local stiffness on healthy volunteers during various physiological activitiescitations
- 2015Effects of pressure on the shear modulus, mass and thickness of the perfused porcine kidneycitations
- 2013Effects of storage temperature on the mechanical properties of porcine kidney estimated using Shear Wave Elastographycitations
- 2012Repeatability of a protocol to evaluate the effect of storage on the mechanical properties of the kidney in-vitro
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article
Effects of pressure on the shear modulus, mass and thickness of the perfused porcine kidney
Abstract
Eleven fresh ex vivo porcine kidneys were perfused in the artery, vein and ureter with degassed Dulbeccoós Modified Eagle Medium (DMEM). The effect of perfusion pressure was evaluated using ten different pressures combinations. The shear modulus of the tissues was estimated during perfusion using shear wave elastography. The organ weight change was measured by a digital scale and cameras were used to follow the changes of the dimensions after each pressure combination. The effect of perfusion on the weight and the thickness was non-reversible, whereas the effect on the shear modulus was reversible. Pressure was found to increase the average shear modulus in the cortex by as much as 73%. A pressure of 80 mmHg was needed to observe tissues shear modulus in the same range as in vivo tests (Gcortex=9.1 kPa, Gmedulla=8.5 kPa ex vivo versus Gcortex=9.1 kPa, Gmedulla=8.7 kPa in vivo in Gennisson et al., 2012).