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The Korean Journal of Internal Medicine ; : 454-465, 2014.
Artículo en Inglés | WPRIM | ID: wpr-116732

RESUMEN

BACKGROUND/AIMS: The aim of the present study was to evaluate the relationship between thyroid hormone levels and infarct severity in patients with ST-elevation myocardial infarction (STEMI). METHODS: We retrospectively reviewed thyroid hormone levels, infarct severity, and the extent of transmurality in 40 STEMI patients evaluated via contrast-enhanced cardiac magnetic resonance imaging. RESULTS: The high triiodothyronine (T3) group (> or = 68.3 ng/dL) exhibited a significantly higher extent of transmural involvement (late transmural enhancement > 75% after administration of gadolinium contrast agent) than did the low T3 group (60% vs. 15%; p = 0.003). However, no significant difference was evident between the high- and low-thyroid-stimulating hormone/free thyroxine (FT4) groups. When the T3 cutoff level was set to 68.3 ng/dL using a receiver operating characteristic curve, the sensitivity was 80% and the specificity 68% in terms of differentiating between those with and without transmural involvement. Upon logistic regression analysis, high T3 level was an independent predictor of transmural involvement after adjustment for the presence of diabetes mellitus (DM) and the use of glycoprotein IIb/IIIa inhibitors (odds ratio, 40.62; 95% confidence interval, 3.29 to 502; p = 0.004). CONCLUSIONS: The T3 level predicted transmural involvement that was independent of glycoprotein IIb/IIIa inhibitor use and DM positivity.


Asunto(s)
Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Área Bajo la Curva , Biomarcadores/sangre , Distribución de Chi-Cuadrado , Medios de Contraste , Angiografía Coronaria , Modelos Logísticos , Imagen por Resonancia Cinemagnética , Análisis Multivariante , Infarto del Miocardio/sangre , Miocardio/patología , Oportunidad Relativa , Valor Predictivo de las Pruebas , Curva ROC , Estudios Retrospectivos , Índice de Severidad de la Enfermedad , Tiroxina/sangre , Triyodotironina/sangre
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