• Am J Prev Med · Dec 2023

    Inflammatory bowel disease with chronic kidney disease and acute kidney injury.

    • Mengyi Liu, Yanjun Zhang, Ziliang Ye, Sisi Yang, Chun Zhou, Panpan He, Yuanyuan Zhang, Fan Fan Hou, and Xianhui Qin.
    • Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou, China; National Clinical Research Center for Kidney Disease, Guangzhou, China; State Key Laboratory of Organ Failure Research, Guangzhou, China; Guangdong Provincial Institute of Nephrology, Guangzhou, China; Guangdong Provincial Key Laboratory of Renal Failure Research, Guangzhou, China.
    • Am J Prev Med. 2023 Dec 1; 65 (6): 110311121103-1112.

    IntroductionIt remains unclear whether inflammatory bowel disease is associated with long-term risk of chronic kidney disease (CKD) and acute kidney injury (AKI) in the general population.MethodsA total of 417,302 participants, including 2,940 patients with ulcerative colitis and 1,261 patients with Crohn's disease, without previous CKD and AKI at baseline (2006-2010) from the UK Biobank were included. The study outcomes included incident CKD and AKI, ascertained by self-report data and data linkage with primary care, hospital admissions, and death registry records. Analysis was conducted in 2022.ResultsDuring a median follow-up of 12.5 years, 13,564 and 14,331 participants developed CKD and AKI, respectively. Compared with the hazard ratio for non-inflammatory bowel diseases, the hazard ratios for CKD and AKI related to inflammatory bowel diseases were 1.57 (95% CI=1.37, 1.79) and 1.96 (95% CI=1.74, 2.20) after adjustments for age, sex, and race and were 1.32 (95% CI=1.15, 1.51) and 1.70 (95% CI=1.51, 1.91) after further adjustments for biological, behavioral, and socioeconomic factors in addition to mental health and self-rated health. Similar results were found for patients with Crohn's disease (adjusted hazard ratio=1.38 (95% CI=1.09, 1.75) for CKD and 1.62 [95% CI=1.30, 2.02] for AKI) and those with ulcerative colitis (adjusted hazard ratio=1.29 (95% CI=1.09, 1.51) for CKD and 1.71 [95% CI=1.49, 1.97] for AKI) in the fully adjusted models. Genetic risks of kidney diseases did not significantly affect the association of inflammatory bowel disease with incident CKD and AKI (both p-interactions>0.05). The association between inflammatory bowel disease and the risk of incident CKD (p-interaction=0.010) and AKI (p-interaction<0.001) were stronger in younger participants than in older participants.ConclusionsInflammatory bowel disease was associated with higher risks for CKD and AKI, independent of genetic risks of kidney diseases.Copyright © 2023 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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