PMID: 15373991Sep 18, 2004Paper

Cardiovascular risk factors in the circadian rhythm of acute myocardial infarction

Revista española de cardiología
Juan B López MessaGrupo de Estudio ARIAM

Abstract

The aim of this study was to analyze the influence of modifiable cardiovascular risk factors on the circadian rhythm of acute myocardial infarction. We analyzed a retrospective cohort of 54,249 patients from a multicenter study of acute myocardial infarction (the Spanish ARIAM study). The variables were time of onset of symptoms, age, sex, previous ischemic heart disease, coronary unit discharge status, previous stroke, familial antecedents of ischemic heart disease, hypertension, diabetes, dyslipidemia, smoking, and reinfarction. To verify the presence of circadian rhythm, we developed a simple test of equality of time series based on cosinor analysis of multiple sinusoid curves. Three sinusoids (24, 12 and 8 hour periods) were used. The time of onset of pain showed a circadian rhythm (P< .01), with a peak at 10:07 am and a trough at 4:46 am. All subgroups categorized according to the presence of the variables analyzed here showed a circadian rhythm, with a sinusoid curve after adjustment. In patients with diabetes or reinfarction or who were smokers, the sinusoid curve was bimodal. Time of onset of symptoms in patients with acute myocardial infarction follows a circadian rhythm. Diabetes, smoking and reinfarction can modify t...Continue Reading

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Citations

Mar 1, 2006·Future Cardiology·Rocio González-ConejeroVanessa Roldán
May 15, 2013·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Abhro Jyoti Roy, P Stanely Mainzen Prince
Jul 4, 2015·Journal of Food Science and Technology·Reema Orison Lobo, Chandrakala K Shenoy
Sep 17, 2013·European Journal of Pharmacology·S Sharmila Queenthy, Babu John
Sep 18, 2016·Heart Failure Clinics·Roberto ManfrediniAbhishek J Deshmukh

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