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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/7823

Title: Interlobar venous flow is different between left and right kidney in uncomplicated third trimester pregnancy
Authors: Gyselaers, Wilfried
Verswijvel, Geert
Molenberghs, Geert
Ombelet, Willem
Issue Date: 2008
Publisher: KARGER
Abstract: Aim: To investigate Doppler flow patterns of renal interlobar veins (RIV) in left (L) and right (R) kidney in relation to gestational age and to intrarenal pyelocalyceal diameters (PCD). Methods: Cross-sectional study involving 6 groups of women: (1) non-pregnant women, women pregnant between weeks (2) 11-14, (3) 18-23, (4) 28-33, (5) 37-40 and (6) women <5 days post delivery. During standardized renal duplex ultrasound scan, PCD (mm) was measured and venous impedance index (VI = [peak flow (PV) - presystolic flow]/ PV) of RIV was defined. Comparison between L and R kidney was performed by repeated-measures analysis of variance for VI and by t tests for PCD. Results: A total of 150 women were examined, 25 in each group. In the early third trimester of pregnancy, L VI was significantly higher than R VI (0.38 +/- 0.01 vs. 0.33 +/- 0.01, p < 0.0001) and L PCD was significantly lower than R PCD (3.90 +/- 3.68 vs. 6.25 +/- 4.03, p = 0.03). Conclusion: RIV Doppler flow is different between left and right kidney only in the third trimester of pregnancy. This difference is inversely related to PCD, which may be explained by pelvic compression from the gravid uterus. Copyright (C) 2007 S. Karger AG, Basel.
Notes: Ziekenhuis Oost Limburg, Dept Obstet & Gynaecol, B-3600 Genk, Belgium. Ziekenhuis Oost Limburg, Dept Med Imaging, B-3600 Genk, Belgium. Hasselt Univ, Ctr Stat, Diepenbeek, Belgium.Gyselaers, W, Ziekenhuis Oost Limburg, Dept Obstet & Gynaecol, Schiepse Bos 6, B-3600 Genk, Belgium.wilfried.gyselaers@zol.be
URI: http://hdl.handle.net/1942/7823
DOI: 10.1159/000106498
ISI #: 000251661400002
ISSN: 0378-7346
Category: A1
Type: Journal Contribution
Validation: ecoom, 2009
Appears in Collections: Research publications

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