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Renal growth slope in children with congenital and acquired solitary functioning kidneys

Authors
 Seung Myeon Choi  ;  Hyun Joo Shin  ;  Haesung Yoon  ;  Myeongjee Lee  ;  Yong Seung Lee  ;  Sang Won Han  ;  Mi-Jung Lee 
Citation
 ULTRASONOGRAPHY, Vol.40(3) : 357-365, 2021-07 
Journal Title
ULTRASONOGRAPHY
ISSN
 2288-5919 
Issue Date
2021-07
Keywords
Multicystic dysplastic kidney ; Nephrectomy ; Solitary kidney ; Ultrasonography ; Unilateral renal agenesis
Abstract
Purpose: This study aimed to analyze the renal growth slope in children with congenital and acquired solitary functioning kidneys.

Methods: This retrospective study included all renal ultrasonography examinations performed in children in the agenesis, multicystic dysplastic kidney (MCDK), or nephrectomy group between September 2002 and February 2019. We reviewed the images and recorded the contralateral kidney size only when there was no focal lesion. Linear mixed model or piecewise linear mixed model analyses with a time point of 24 months of age were performed.

Results: There were 132 patients, including 26 patients in the agenesis group, 35 in the MCDK group, and 71 in the nephrectomy group. The nephrectomy group showed the largest baseline kidney size (7.4 cm vs. 5.3 cm in the agenesis group [P<0.001] and 5.2 cm in the MCDK group [P<0.001]) and the smallest overall growth slope (0.04 cm/mo vs. 0.06 cm/mo in the agenesis group [P=0.004] and 0.07 cm/mo in the MCDK group [P<0.001]). However, considering the time point of 24 months for reaching adult renal function, there were significant changes in slope, from 0.1 cm/mo before 24 months of age to 0.03 cm/mo after 24 months of age in all three groups (P<0.001), without a significant difference among the groups.

Conclusion: Significant changes were found in the renal growth slope before and after 24 months of age, with no significant difference between congenital and acquired solitary functioning kidneys.
Files in This Item:
T202103204.pdf Download
DOI
10.14366/usg.20028
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Biomedical Systems Informatics (의생명시스템정보학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Shin, Hyun Joo(신현주) ORCID logo https://orcid.org/0000-0002-7462-2609
Yoon, Haesung(윤혜성) ORCID logo https://orcid.org/0000-0003-0581-8656
Lee, Myeongjee(이명지)
Lee, Mi-Jung(이미정) ORCID logo https://orcid.org/0000-0003-3244-9171
Lee, Yong Seung(이용승) ORCID logo https://orcid.org/0000-0003-3778-9888
Han, Sang Won(한상원) ORCID logo https://orcid.org/0000-0003-0941-1300
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/184589
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