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논문분류	춘계학술대회 초록집
제목	Exploring the Role of Hyperuricemia in Anemia Worsening in Chronic Kidney Disease Patients
저자	Po-Ya Chang
출판정보	2025; 2025(1):
키워드	serum uric acid, anemia worsening, chronic kidney disease
초록	Both anemia and hyperuricemia are associated with chronic kidney disease (CKD) progression. However, the relationship between uric acid levels and anemia remains complex, with studies reporting positive, inverse, or U-shaped associations. There is a lack of research specifically examining the impact of uric acid concentration on anemia progression in CKD patients. This study aimed to investigate the effect of serum uric acid levels on anemia worsening in CKD patients. This study included 3,858 CKD patients from 14 medical centers and communities in Taiwan between October 2008 and February 2016. Demographic characteristics and lifestyle factors were collected through structured questionnaires. Participants were stratified into quartiles based on serum uric acid concentration. Anemia worsening was defined as a progression in anemia severity by at least one category during follow-up, based on hemoglobin levels classified according to World Health Organization (WHO) criteria. Cox proportional hazards models were used to assess the association between serum uric acid levels and anemia worsening. The mean age of participants was 63.33 ± 13.71 years, and 58.45% were male. In the adjusted analysis, each 1 mg/dL increase in serum uric acid was associated with a higher risk of anemia worsening (HR: 1.06, 95% CI: 1.02–1.11). Patients with hyperuricemia had a significantly increased risk compared to those without hyperuricemia (HR: 1.18, 95% CI: 1.02–1.37). When categorized into quartiles, the third (HR: 1.31, 95% CI: 1.07–1.60) and fourth quartiles (HR: 1.34, 95% CI: 1.09–1.65) had a significantly higher risk compared to the first quartile. Higher serum uric acid levels are associated with an increased risk of anemia worsening in CKD patients. These findings highlight the need for monitoring and managing uric acid levels to potentially mitigate anemia progression among patients with CKD.
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