ArticlePloS one2025
Creatine kinase and its muscle/brain isoenzyme as potential biomarkers for cardiovascular disease risk: A cross-sectional analysis of a population-based cohort.
Article in PloS one, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThis study examines the correlation between creatine kinase (CK) and its muscle/brain isoenzyme (CK-MB) in relation to cardiovascular risk factors, highlighting sex disparities.
methodsA three-year cross-sectional study was conducted among 246 adults recruited from the Mashhad University of Medical Sciences (MUMS) Persian Cohort. CK and CK-MB concentrations were measured using standardized laboratory assays. Correlations and multivariable linear models were used to assess associations with cardiovascular risk indicators.
resultsMen exhibited significantly higher log-transformed CK and CK-MB levels than women. Both enzymes showed weak-to-moderate correlations with selected cardiovascular parameters. Log CK was modestly associated with diastolic blood pressure (DBP), creatinine, and PWV (r < 0.29), whereas log CK-MB showed positive associations with calcium, potassium, DBP, and PWV. Many univariable associations attenuated after adjustment, with only serum calcium remaining independently related to log CK-MB (p = 0.03).
conclusionIn this cross-sectional cohort, log CK and log CK-MB showed weak but statistically detectable associations with selected cardiovascular measures. These findings are hypothesis-generating and should be interpreted cautiously; they do not support clinical recommendations without prospective validation in larger studies.
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