Lowering cholesterol intake alone may not be enough to prevent CKD, study finds
South Korea: Findings from two Korean cohort studies revealed that simply lowering cholesterol intake may not be sufficient to prevent chronic kidney disease (CKD). The study was published online in Nutrition, Metabolism and Cardiovascular Diseases.
The researchers showed that although cholesterol intake was associated with increased serum cholesterol levels, it was not associated with CKD incidence and prevalence. The daily intake of eggs was not associated with incident CKD.
Although dyslipidemia is a major risk factor for chronic kidney disease, there is no knowledge of the relationship between dietary cholesterol and chronic kidney disease. Haekyung Lee, Soonchunhyang University Seoul Hospital, Daesagwan-ro, Yongsan-gu, Seoul, Republic of Korea, and colleagues investigated the association between cholesterol intake and CKD risk.
The researchers used the Korea National Health and Nutrition Examination Survey (KNHANES) 2019–2021 (n = 13,769) and the Korean Genome and Epidemiology Study (KoGES) (n = 9225) data for the study. Cholesterol intake was evaluated using a 24-hour recall food frequency questionnaire. Participants were categorized into three groups based on cholesterol intake: T1, T2, and T3. The primary outcomes were the prevalence and incidence of CKD.
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