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Renal venous doppler ultrasonography in normal subjects and patients with diabetic nephropathy: value of venous impedance index measurements

Authors
 Seok Hwan Jeong  ;  Dae Chul Jung  ;  Sun Ho Kim  ;  Seung Hyup Kim 
Citation
 JOURNAL OF CLINICAL ULTRASOUND, Vol.39(9) : 512-518, 2011 
Journal Title
JOURNAL OF CLINICAL ULTRASOUND
ISSN
 0091-2751 
Issue Date
2011
MeSH
Case-Control Studies ; Diabetic Nephropathies/diagnostic imaging* ; Diabetic Nephropathies/physiopathology ; Female ; Humans ; Male ; Middle Aged ; Reference Values ; Renal Veins/diagnostic imaging* ; Renal Veins/physiopathology ; Retrospective Studies ; Ultrasonography, Doppler/methods* ; Vascular Resistance
Keywords
Doppler ultrasonography ; venousimpedance ; renal vein ; diabetic nephropathy
Abstract
OBJECTIVES: To provide reference values of intrarenal venous impedance index (VII) measured with duplex Doppler ultrasonography in a healthy adult population and to assess the usefulness this index for evaluating the functional status of kidney in patients with diabetic nephropathy (DN).

METHODS: Between May 2005 and December 2009, Doppler ultrasonography of both kidneys was performed in 164 healthy volunteers (controls) and 58 patients with DN. Renal interlobar and segmental vein Doppler waveforms and VII were obtained and compared between groups using the Student's t test. Correlation between VII and serum creatinine concentration (SCC) was calculated.

RESULTS: In controls, the mean VII was lower in interlobar than in segmental renal veins (p < 0.01), without difference between the right and left kidneys. Waveform modulation was dampened in DN patients whose mean VII (0.32 ± 0.18) was lower than in controls (0.38 ± 0.18) (p < 0.01). SCC showed moderate correlations (r = 0.65) with intrarenal VII in the patient group.

CONCLUSIONS: Renal VII is typically lower in DN than in controls and moderately correlated with SCC, which reflects renal function in DN, but does not offer a significant advantage over arterial resistance index
Full Text
http://onlinelibrary.wiley.com/doi/10.1002/jcu.20835/abstract
DOI
10.1002/jcu.20835
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Jung, Dae Chul(정대철) ORCID logo https://orcid.org/0000-0001-5769-5083
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/94414
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