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Prognostic value of soluble ST2 and soluble LR11 on mortality and cardiovascular events in peritoneal dialysis patients

 Yu Bum Choi  ;  Mi Jung Lee  ;  Jung Tak Park  ;  Seung Hyeok Han  ;  Shin-Wook Kang  ;  Tae-Hyun Yoo  ;  Hyung Jong Kim 
 BMC NEPHROLOGY, Vol.21(1) : 228, 2020-06 
Journal Title
Issue Date
Biomarker ; Major adverse cardiac and cerebrovascular events ; Peritoneal dialysis ; Soluble LR11 ; Soluble ST2
Background: Although the soluble form of suppression of tumorigenicity 2 (sST2) and soluble low-density lipoprotein receptor relative with 11 ligand-binding repeats (sLR11) have emerged as novel cardiovascular biomarkers in patients with cardiovascular disease, their prognostic value has not been fully investigated in peritoneal dialysis (PD) patients. Methods: We included 74 prevalent PD patients from a prospective cohort and measured serum sST2 and sLR11 concentrations by an enzyme-linked immunosorbent assay. The association of these biomarkers and all-cause mortality and major adverse cardiac and cerebrovascular events (MACCEs) was evaluated. Results: During a follow-up of 38.5 months, all-cause deaths and MACCEs were observed in 13 (17.6%) patients and 23 (31.3%) patients. Multivariable Cox analyses demonstrated that greater sST2 was independently associated with higher risk of all-cause mortality (≥75.8 ng/mL; hazard ratio [HR] = 5.551; 95% confidence interval [CI] = 1.360-22.660) and MACCEs (≥72.5 ng/mL; HR = 4.609; 95% CI = 1.608-13.208). Furthermore, sST2 showed additive predictive value for mortality to the base model including traditional risk factors (net reclassification index = 0.598, P = 0.04). sLR11 was not significantly associated with all-cause mortality or MACCE. Conclusions: sST2, but not sLR11, indicated a significant prognostic value for all-cause mortality and cardiovascular events in PD patients. Further research is needed to validate emerging biomarkers in these populations.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kang, Shin Wook(강신욱) ORCID logo https://orcid.org/0000-0002-5677-4756
Park, Jung Tak(박정탁) ORCID logo https://orcid.org/0000-0002-2325-8982
Yoo, Tae Hyun(유태현) ORCID logo https://orcid.org/0000-0002-9183-4507
Han, Seung Hyeok(한승혁) ORCID logo https://orcid.org/0000-0001-7923-5635
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