Relationship Between Lipoprotein(a), Renal Function Indicators, and Chronic Kidney Disease: Evidence From a Large Prospective Cohort Study

被引:7
作者
Liu, Yingxin [1 ]
Wang, Ruoting [1 ]
Li, Shuai [1 ]
Zhang, Changfa [1 ]
Lip, Gregory Y. H. [2 ,3 ,4 ]
Thabane, Lehana [5 ]
Li, Guowei [1 ,5 ,6 ]
机构
[1] Guangdong Second Prov Gen Hosp, Ctr Clin Epidemiol & Methodol, 466 Xingang Middle Rd, Guangzhou 510317, Peoples R China
[2] Univ Liverpool, Liverpool John Moores Univ, Liverpool Ctr Cardiovasc Sci, Liverpool, England
[3] Liverpool Heart & Chest Hosp, Liverpool, England
[4] Aalborg Univ, Danish Ctr Hlth Serv Res, Dept Clin Med, Aalborg, Denmark
[5] McMaster Univ, Dept Hlth Res Methods Evidence & Impact, Hamilton, ON, Canada
[6] St Josephs Healthcare Hamilton, Father Sean OSullivan Res Ctr, Hamilton, ON, Canada
来源
JMIR PUBLIC HEALTH AND SURVEILLANCE | 2024年 / 10卷
关键词
lipoprotein(a); chronic kidney disease; renal function; urinary albumin-to-creatinine ratio; glomerular filtration rate; CARDIOVASCULAR-DISEASE; ALBUMINURIA; RISK; ABNORMALITIES; COMPLICATIONS; PROGRESSION; EXPRESSION; MORTALITY; DECLINE; PEOPLE;
D O I
10.2196/50415
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Background:Chronic kidney disease (CKD) poses a significant global public health challenge. While lipoprotein(a) (Lp[a]) has been established as a significant factor in cardiovascular disease, its connection to CKD risk remains a topic of debate. Existing evidence indicates diverse risks of kidney disease among individuals with various renal function indicators, even when within the normal range. Objective:This study aims to investigate the joint associations between different renal function indicators and Lp(a) regarding the risks of incident CKD in the general population. Methods:The analysis involved a cohort of 329,415 participants without prior CKD who were enrolled in the UK Biobank between 2006 and 2010. The participants, with an average age of 56 (SD 8.1) years, included 154,298/329,415 (46.84%) males. At baseline, Lp(a) levels were measured using an immunoturbidimetric assay and classified into 2 groups: low (<75 nmol/L) and high (>= 75 nmol/L). To assess participants' baseline renal function, we used the baseline urine albumin-to-creatinine ratio (UACR) and estimated glomerular filtration rate (eGFR). The relationship between Lp(a), renal function indicators, and the risk of CKD was evaluated using multivariable Cox regression models. These models were adjusted for various factors, including sociodemographic variables, lifestyle factors, comorbidities, and laboratory measures. Results:A total of 6003 incident CKD events were documented over a median follow-up period of 12.5 years. The association between elevated Lp(a) levels and CKD risk did not achieve statistical significance among all participants, with a hazard ratio (HR) of 1.05 and a 95% CI ranging from 0.98 to 1.13 (P=.16). However, a notable interaction was identified between Lp(a) and UACR in relation to CKD risk (P for interaction=.04), whereas no significant interaction was observed between Lp(a) and eGFR (P for interaction=.96). When compared with the reference group with low Lp(a) and low-normal UACR (<10 mg/g), the group with high Lp(a) and low-normal UACR exhibited a nonsignificant association with CKD risk (HR 0.98, 95% CI 0.90-1.08; P=.74). By contrast, both the low Lp(a) and high-normal UACR (>= 10 mg/g) group (HR 1.16, 95% CI 1.08-1.24; P<.001) and the high Lp(a) and high-normal UACR group (HR 1.32, 95% CI 1.19-1.46; P<.001) demonstrated significant associations with increased CKD risks. In individuals with high-normal UACR, elevated Lp(a) was linked to a significant increase in CKD risk, with an HR of 1.14 and a 95% CI ranging from 1.03 to 1.26 (P=.01). Subgroup analyses and sensitivity analyses consistently produced results that were largely in line with the main findings. Conclusions:The analysis revealed a significant interaction between Lp(a) and UACR in relation to CKD risk. This implies that Lp(a) may act as a risk factor for CKD even when considering UACR. Our findings have the potential to provide valuable insights into the assessment and prevention of CKD, emphasizing the combined impact of Lp(a) and UACR from a public health perspective within the general population. This could contribute to enhancing public awareness regarding the management of Lp(a) for the prevention of CKD.
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页数:15
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