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  • Title: Total plasma homocysteine concentrations in Puerto Rican patients with presumptive atherosclerotic coronary disease.
    Author: Rodríguez JF, Rodríguez JL, Escobales N, Cruz D, Banch H, Rivera C, Altieri PI.
    Journal: P R Health Sci J; 2000 Sep; 19(3):253-8. PubMed ID: 11076371.
    Abstract:
    BACKGROUND: In Puerto Rico, it has been established that although coronary heart disease is the leading cause of death, the population has a lower incidence of coronary disease than the continental United States. In addition, the severity of the disease is less aggressive in terms of a lower incidence of ventricular tachycardia and sudden death. A factor in the lower incidence of coronary disease in Puerto Rico could be a lower total plasma homocysteine concentration (tHcys) in our population. METHODS: We randomly measured tHcys concentrations in seventy-two Hispanic patients who were hospitalized for coronary angiography at the Cardiovascular Center of Puerto Rico and the Caribbean (UPR Division). RESULTS: The mean tHCys concentration in our patient population is similar than that reported for the Framingham study when adjusted by age (11.2 mumol/L vs. 11.8 mumol/L). In the Puerto Rican population, males had a higher tHcys concentration than females but this difference was not statistically significant (10.9 mumol/L vs. 9.4 mumol/L, p = 0.09). In addition, we did not see an increase of tHcys concentrations in diabetic patients when compared with nondiabetics (10.1 mumol/L vs. 10.3 mumol/L, p = 0.73). Neither we saw a direct correlation between tHcys concentrations and atherosclerosis as measured by coronary angiography (normal = 10.9 mumol/L, mild = 8.6 mumol/L, moderate = 10.9 mumol/L, severe = 10.5 mumol/L; ANOVA = 0.29). CONCLUSIONS: These results suggest that tHcys concentration is not a good predictor of atherosclerotic coronary disease in our patient population.
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