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. 2022 Aug 17;12(1):13929.
doi: 10.1038/s41598-022-17799-4.

Prognostic values of high sensitivity cardiac troponin T and I for long-term mortality in hemodialysis patients

Kajohnsak Noppakun  1   2 , Kannika Ratnachina  3 , Nichanan Osataphan  3 , Arintaya Phrommintikul  3   4 , Wanwarang Wongcharoen  5
Affiliations

Prognostic values of high sensitivity cardiac troponin T and I for long-term mortality in hemodialysis patients

Kajohnsak Noppakun et al. Sci Rep. .

Abstract

Previous studies using contemporary cardiac troponin (cTn) assays have shown conflicting results in predictability of mortality and major adverse cardiovascular events (MACEs) in hemodialysis patients. We aimed to evaluate the prognostic values of high-sensitivity cTnT (hs-cTnT) and hs-cTnI for long-term mortality and MACEs in asymptomatic chronic hemodialysis patients. 198 asymptomatic patients undergoing regular hemodialysis (age 62.4 ± 14.8 years) were enrolled. Pre-dialysis hs-cTnT and hs-cTnI levels were measured. The study outcomes were long-term all-cause mortality and MACEs. Median values of hs-cTnT and hs-cTnI were 61.1 ng/L (IQR 36.6-102.0) and 18.4 ng/L (IQR 9.5-36.6), respectively. During a median follow-up of 13.5 months, 30 (15.1%) patients developed MACEs, and 20 (10.1%) patients died. The patients in highest quartile of hs-cTnT level (≥ 102 ng/L) had increased risk of long-term mortality (HR 3.34; 95%CI 1.39-8.04, P = 0.005). However, hs-cTnI levels above highest quartile (≥ 36 ng/L) was not significantly associated with increased risk of all-cause mortality. Nevertheless, elevated level of hs-cTnT and hs-cTnI was associated with increased risk of MACEs. We demonstrated that higher level of hs-cTnT, but not hs-cTnI, was associated with increased risk of long-term mortality. Nevertheless, higher level of hs-cTnT and hs-cTnI both were associated with greater risk of long-term MACEs.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Figure 1
Figure 1
Kaplan–Meier survival curve analysis for all-cause mortality in patients above or below the highest quartile of hs-cTnT (A) and hs-cTnI (B).
Figure 2
Figure 2
Kaplan–Meier survival curve analysis for MACEs in patients above or below the highest quartile of hs-cTnT (A) and hs-cTnI (B).
See this image and copyright information in PMC

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