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Association of High-Sensitivity Troponins in Metabolic Dysfunction-Associated Steatotic Liver Disease With All-Cause
Donghee Kim1, Pojsakorn Danpanichkul2, Karn Wijarnpreecha3,4
1Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, California, USA.
Background:
Characterising the phenotypic features of individuals with metabolic dysfunction-associated steatotic liver disease (MASLD) can help identify high-risk subpopulations within this group. High-sensitivity troponin (hs-troponin) is a significant risk factor for future cardiovascular disease events.
Aims:
We studied the association of hs-troponin in the absence of cardiovascular disease with all-cause and cause-specific mortality among individuals with MASLD.
Methods:
We used the National Health and Nutrition Examination Survey 1999-2004 and linked the mortality dataset through 2019. We used Cox regression models to assess the association between hs-troponin with all-cause and cause-specific mortality among individuals with MASLD and without cardiovascular disease.
Results:
During the median follow-up period of 17.5 years (IQR: 15.9-19.1), higher levels of hs-troponin T among individuals with MASLD were associated with progressively higher hazards of all-cause and cardiovascular mortality, which remained significant after adjustment for demographic, clinical, lifestyle and metabolic risk factors. There was a 29% (hazard ratio [HR]: 1.29, 95% confidence interval [CI]: 1.16-1.44) increase in all-cause mortality and a 44% (HR: 1.44, 95% CI: 1.20-1.72) increase in cardiovascular mortality for every rise in 1-standard deviation of hs-troponin T. A significant association between hs-troponin (p for trend) and cardiovascular mortality was noted with 3 hs-troponin I assays, similar to hs-troponin T. There was no significant association between hs-troponin and cancer-related mortality.
Conclusion:
Screening hs-troponin T or I in individuals with MASLD can identify at-risk subpopulations within this group that have a higher risk for future all-cause mortality, predominantly due to cardiovascular disease-related mortality in the population without cardiovascular disease.
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