Impact of self-reported fasting duration on lipid profile variability, cardiovascular risk stratification and metabolic syndrome diagnosis

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Janovsky, Carolina Castro Porto Silva [UNIFESP]
Laurinavicius, Antonio
Cesena, Fernando
Valente, Viviane
Ferreira, Carlos Eduardo
Mangueira, Cristovao
Conceicao, Raquel
Santos, Raul D.
Bittencourt, Marcio Sommer
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Objective: We sought to investigate the impact of self-reported fasting duration times on the lipid profile results and its impact on the cardiovascular risk stratification and metabolic syndrome diagnosis. Subjects and methods: We analyzed data from all consecutive individuals evaluated in a comprehensive health examination at the Hospital Israelite Albert Einstein from January to December 2015. We divided these patients in three groups, according to the fasting duration recalled (< 8h, 8-12h and > 12h). We calculated the global cardiovascular risk and diagnosed metabolic syndrome according to the current criteria and estimated their change according to fasting duration. Results: A total of 12,196 (42.3 +/- 9.2 years-old, 30.2% females) patients were evaluated. The distribution of cardiovascular risk was not different among groups defined by fasting duration in both men and women (p = 0.547 for women and p = 0.329 for men). Similarly, the prevalence of metabolic syndrome was not influenced by the fasting duration (p = 0.431 for women and p = 0.166 for men). Conclusion: Self-reported fasting duration had no significant impact on the lipid profile results, including triglyceride levels. Consequently, no changes on the cardiovascular risk stratification using the Framingham risk score nor changes on the prevalence of metabolic syndrome were noted.
Archives Of Endocrinology Metabolism. Rio De Janeiro, Rj, v. 62, n. 2, p. 187-192, 2018.