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Chinese Journal of Medical Ultrasound (Electronic Edition) ›› 2021, Vol. 18 ›› Issue (11): 1084-1089. doi: 10.3877/cma.j.issn.1672-6448.2021.11.013

• Peripheral Vascular Ultrasound • Previous Articles     Next Articles

Correlation between renal function and aortic stiffness index assessed by Doppler ultrasound in patients with chronic kidney disease

Wenli Fan1, Xiao Liang2, Jingxi Du2, Peng Wang2, Yong Yang2,()   

  1. 1. Department of Ultrasound Medicine, Weibei Central Hospital, Shanxi Health Medical Group, Weinan 715100, China
    2. Department of Ultrasound Medicine, Tangdu Hospital of Airforce Military Medical University, Xi'an 710038, China
  • Received:2021-06-22 Online:2021-11-01 Published:2021-12-14
  • Contact: Yong Yang

Abstract:

Objective

To explore the association between renal function and aortic stiffness and its influencing factors in patients with chronic kidney disease (CKD).

Methods

A total of 117 CKD patients at Tangdu Hospital, Air Force Military Medical University from January to May 2021 were included in this study. According to the glomerular filtration rate (GFR), the CKD in the subjects were divided into G1-5 stages. The carotid-femoral pulse wave velocity (PWV) of all subjects was measured by Doppler ultrasound. Pearson analysis was used to analyze the correlation between GFR and PWV, and multi-factor linear regression was adopted to include and correct confounding factors to analyze the independent influencing factors for GFR.

Results

In the 117 CKD patients, the mean GFR was 59.8±32.0 ml /(min?1.73 m2), and the carotid-femoral PWV was (8.83±1.81) m/s. There was a moderate inverse correlation between GFR and carotid-femoral PWV (r=-0.5698, P<0.001). After adjustment for confounding factors, there was an independent correlation between carotid-femoral PWV and GFR (P<0.001).

Conclusion

This study demonstrated that there is an independent correlation between renal function and carotid-femoral PWV in patients with CKD, suggesting that increased aortic stiffness is closely related with CKD.

Key words: Chronic kidney disease, Arterial stiffness, Pulse wave velocity, Ultrasonography, Doppler, Glomerular filtration rate

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