Factors that Influence Kidney Shear Wave Speed Assessed by Acoustic Radiation Force Impulse Elastography in Patients without Kidney Pathology |
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| Affiliation: | 1. Department of Gastroenterology and Hepatology, “Victor Babeş” University of Medicine and Pharmacy, Timişoara, Romania;2. Department of Nephrology, “Victor Babeş” University of Medicine and Pharmacy, Timişoara, Romania;1. Faculty of Computer Science, Bialystok University of Technology, Bialystok, Poland;2. Department of Urology, Pontchaillou University Hospital, Rennes, France;3. LTSI, INSERM U1099, University of Rennes 1, France;1. Laboratory of Environmental Process Engineering, Department of Chemical Engineering, Faculty of Process Engineering, University Salah Boubnider Constantine 3, Constantine, Algeria;2. Chemical Engineering Department, College of Engineering, King Saud University, Riyadh, Saudi Arabia;3. Department of Process Engineering, Faculty of Engineering, Badji Mokhtar—Annaba University, Annaba, Algeria;1. Departamento de Pediatría, Hospital Garcia de Orta, Almada, Portugal;2. Departamento de Cirugía Pediátrica, Hospital Garcia de Orta, Almada, Portugal |
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| Abstract: | Our aim was to assess kidney shear wave speed by means of acoustic radiation force impulse (ARFI) elastography in patients without kidney pathology (“normal” patients) and to identify the factors that influence it. We analyzed 91 “normal” patients in whom kidney shear wave speed was assessed by means of ARFI elastography. Five valid ARFI elastographic measurements were obtained in all “normal” patients in both kidneys. In univariate analysis, age (r = −0.370, p = 0.003), gender (female vs. male, r = −0.305, p = 0.003) and measurement depth (r = −0.285, p = 0.01) were significantly correlated with kidney shear wave speed values assessed by ARFI elastography, whereas body mass index, kidney length and renal parenchyma thickness were not correlated. In multivariate analysis, only age (p = 0.006) and gender (p = 0.03) were significantly correlated with kidney shear wave speed values. In conclusion, kidney shear wave speed values assessed by ARFI elastography in “normal” patients are influenced mainly by age and gender and less by measurement depth. |
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| Keywords: | Acoustic radiation force impulse Acoustic radiation force impulse elastography Kidney shear wave speed “Normal” patients |
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