Journal: | Revista latinoamericana de hipertensión |
Database: | PERIÓDICA |
System number: | 000437013 |
ISSN: | 1856-4550 |
Authors: | Rojas, Joselyn1 Toledo, Abdón1 Chávez, Mervin1 Martínez, María S1 Calvo, María J1 David, Adriana1 Chávez, Carmen1 Salazar, Juan1 Romero, Jesús1 Amell, Anilsa1 Mengual, Edgardo1 Prieto, Carem1 Velasco, Manuel2 Escalona, Carolina1 Lubo, Adonías3 Gómez, María Corina4 Bermúdez, Valmore1 |
Institutions: | 1Universidad del Zulia, Centro de Investigaciones Endocrino-Metabólicas "Dr. Félix Gómez", Maracaibo, Zulia. Venezuela 2Universidad Central de Venezuela, Escuela de Medicina "José María Vargas", Caracas, Distrito Federal. Venezuela 3Universidad del Zulia, Facultad de Medicina, Maracaibo, Zulia. Venezuela 4Universidad del Zulia, Escuela de Nutrición, Maracaibo, Zulia. Venezuela |
Year: | 2012 |
Volumen: | 7 |
Number: | 4 |
Pages: | 80-87 |
Country: | Venezuela |
Language: | Inglés |
Document type: | Artículo |
Approach: | Analítico, descriptivo |
English abstract | Insulin resistance is a metabolic state in which tissue effects of insulin are diminished, leading to hyperinsulinemia as a compensatory mechanism. The combination of insulin resistance and hyperinsulinemia constitutes one of the main pathophysiological landmarks of Metabolic Syndrome. Thus, our main objective was to determine a cut-off point for serum fasting insulin in the population of Maracaibo. Materials and Methods: Descriptive, cross-sectional study realized in 2,026 subjects of both genders, 18 years of age or older, who had their serum fasting insulin quantified. These values underwent logarithmic transformation for normalization of their distribution, which was corroborated through Geary’s test. Results were expressed as means ± SD. A cut-off was selected through the construction of ROC Curves using selected healthy and “sick” populations. Results: In the studied population (n=2,026) the mean serum fasting insulin concentration was 14.6±9.5 µU/ mL. When stratifying by gender, a mean of 14.5±9.3 µU/ mL was observed in women and 14.8±9.8µU/mL in men; p=0.715. When assessing these levels by age groups, BMI and waist circumference, a progressive increase was observed along each category. The selected cut-off point for serum fasting insulin concentration was 13µU/mL; AUC=0.792; Sen=74.4%; Esp=71.3%. Conclusions: Serum fasting insulin concentrations increase with age, BMI and waist circumference. A cut-off point of 13µU/mL is suggested for the definition of fasting hyperinsulinemia in our population |
Disciplines: | Medicina |
Keyword: | Metabolismo y nutrición, Hiperinsulinismo, Resistencia a la insulina, Síndrome metabólico, Prevalencia |
Keyword: | Metabolism and nutrition, Hyperinsulinemia, Insulin resistance, Metabolic syndrome, Prevalence |
Full text: | http://biblat.unam.mx/hevila/Revistalatinoamericanadehipertension/2012/vol7/no4/2.pdf |