Arch Iran Med. 2022;25(3): 155-160.
doi: 10.34172/aim.2022.26
  Abstract View: 684
  PDF Download: 492

Original Article

Effects of Renal Cysts on Renal Function

Miaomiao Zhu 1, Xu Chu 1, Chen Liu 1* ORCID logo

1 Department of Abdominal Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
*Corresponding Author: *Corresponding Author: Chen Liu, MD; Department of Abdominal Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China. Tel:+86-15811176878; Email: , Email: guanjunhou@qdu.edu.cn


Background: People with simple renal cysts (SRCs) are more likely to develop renal injury and dysfunction, but the mechanisms remain controversial, as the process of SRC formation and its characteristics are not yet well-known. This research focuses on the characteristics of SRCs and discusses how SRCs cause renal injury.

Methods: In 2014, a total of 401 participants without any prior kidney disease were selected for the research. Their average age was 49.7 years. SRC morphology and changes were monitored over a 5-year follow-up period. Renal volume and blood perfusion were measured by ultrasound imaging. Logistic regression analysis was used to assess the relationship between renal cyst and renal function.

Results: During the 5-year follow-up, elderly participants with multiple cysts (odds ratio [OR] 1.89; 95% CI 1.67 to 5.99) and a maximum cyst diameter of 1.5 cm or greater (OR 1.93; 95% CI 1.15 to 5.34) were found to be positively correlated with renal injury. A decrease in intrarenal perfusion was observed at the early stages of follow-up, but the reduction in renal volume was a slow and gradual process.

Conclusion: Elderly people with multiple cysts, a maximum cyst diameter of the cysts≥1.5 cm, and multiple cysts are more likely to suffer renal injury. Ultrasound examination has an important status in monitoring the changes in renal volume and peak systolic velocity (PSV) of the renal interlobar artery.

Cite this article as: Zhu M, Chu X, Liu C. Effects of renal cysts on renal function. Arch Iran Med. 2022;25(3):155-160. doi: 10.34172/aim.2022.26
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Submitted: 07 Apr 2020
Revision: 04 Jan 2021
Accepted: 12 Jan 2021
ePublished: 01 Mar 2022
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