Clinical significance and renal haemodynamics of incidentally detected retroaortic left renal vein: assessment with venous Doppler sonography

The British Journal of Radiology
B YagciY Kiroglu

Abstract

The purpose of this study was to determine whether renal venous pulsations are affected by compression of the left renal vein (LRV) between the aorta and spine, and also to determine the clinical significance of incidentally detected retroaortic LRV. The study population was recruited from 783 consecutive patients undergoing abdominal CT examination for various indications. 22 patients with a retroaortic LRV were prospectively enrolled in this study, and 22 patients without renal disease served as a control group. After measuring the diameters of the central and peripheral portions of the LRV on CT images, the ratio (P/C) and difference (P-C) of the diameters were calculated. Doppler sonography of the interlobar arteries and veins of the left kidney was then performed to obtain impedance indices. Urine analysis of all subjects and scrotal colour Doppler ultrasound of male patients were also performed. The retroaortic LRV diameters were significantly narrower than the pre-aortic LRV diameters (p = 0.002). The left intrarenal venous impedance indices were significantly higher in the patients with retroaortic LRV (p = 0.026) and in the subgroups with P/C>2 (p = 0.020), with P-C>4 mm (p = 0.007) and without nutcracker-like associat...Continue Reading

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Citations

Apr 20, 2010·General Thoracic and Cardiovascular Surgery·Guido BajardiUmberto Marcello Bracale
Jan 30, 2015·Pediatric Nephrology : Journal of the International Pediatric Nephrology Association·Federica A VianelloGregorio P Milani
May 28, 2011·Surgical and Radiologic Anatomy : SRA·Alper DilliBaki Hekimoglu
Jul 28, 2019·Scientific Reports·Sorin HostiucMihai Grigoriu
Jul 27, 2010·Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association·Marta B M MazzoniGregorio P Milani

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