Retrospective Study
Copyright ©The Author(s) 2017.
World J Radiol. Jan 28, 2017; 9(1): 10-16
Published online Jan 28, 2017. doi: 10.4329/wjr.v9.i1.10
Table 1 Sonographic equipment used in the study
Ultrasound equipmentContrast-specific modeNo. of patients
MyLab-70 (EsaOte)CnTI™ (contrast tuned imaging)7
ATL HDI5000 (Philips)PIHI™ (pulse inversion harmonic imaging)15
Sequoia 512 (Acuson Siemens)CPS™ (contrast pulse sequencing)54
iU22 (Philips)PIHI-PM™ (pulse inversion harmonic imaging – power modulation)15
Table 2 Overview of fifty patients with acute renal failure addressed to contrast-enhanced ultrasound to rule-out vascular causes
Findings on CEUSSide of CEUS findingsPre-existing renal functionCause of acute renal failureNo. of patients with biopsy
Renal infarction (n = 18)Unilateral (n = 13) Bilateral (n = 5)Chronic RFI (n = 10) No previous history of RFI (n = 8)Suspicious embolization (n = 2) Placement of aortic endoprothesis (n = 5) Aortic dissection (n = 2) Ischemia (n = 3) Drug-induced nephrotoxicity (n = 1) Undetermined (n = 5)None
Acute cortical necrosis pattern (n = 1)Bilateral (n = 1)No previous history of RFI (n = 1)Post-surgical, hypovolemic acute tubular necrosis (n = 1)None
No vascular abnormalities (n = 31)NoneChronic RFI (n = 21) No previous history of RFI (n = 10)Atheroembolic disease (n = 10) Acute pyelonephritis (n = 4) Interstitial nephritis (n = 2) Acute papillary necrosis (n = 1) Antiblastic drug-induced (n = 1) Dehydration (n = 1) Undetermined (n = 12)1 kidney biopsy, 3 skin biopsy 2 kidney biopsy