Chronobiology of Acute Myocardial Infarction

Authors

Keywords:

MYOCARDIAL INFARCTION, CHRONOBIOLOGY.

Abstract

Introduction: knowledge of cardiovascular chronobiology is a better approach to the diagnosis and treatment of acute myocardial infarction.

Objective: to describe the chronobiological behaviour of acute myocardial infarction and its differences taking into account the sex of the patients. 

Methods: observational, analytical and cross-sectional study of patients treated at the "Abel Santamaría" Hospital, from January to December 2021. A total of 260 patients with a diagnosis of this disease were included intentionally. The variables collected were: sex, cardiovascular risk factors, time of day of onset of symptoms and month of occurrence of the event.

Results: hypertension (75,8 %) was the most prevalent risk factor. The most frequent time of day for the presentation of cardiovascular   symptoms was    between 6:00 and   8:59 am   (44,79 %). The months with the highest frequency were May and December (10,44 %). Sex determined statistically significant differences (p<0.05) in the times of symptom occurrence. For females, the time from 12:00 to 2:59 am showed a     higher frequency compared to males (10,5 % vs. 0,6 %). From 12:00 to 2:59 pm few events occur in females compared to those occurring in males (2,3 % vs 9,8 %).

Conclusions: Acute myocardial infarction showed a higher frequency of symptom onset in the morning hours and in May and December in the series studied. Sex determined differences in this chronobiological behaviour. 

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Author Biography

Alexander Del Toro-Cámbara, Universidad De Ciencias Médicas "Ernesto Che Guevara De La Serna" Pinar Del Río

Medico Especialista en Medicina General Integral. Máster en Urgencias Médicas.

Categoría docente: Asistente

Residente de Especialidad de Fisiología

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Published

2023-08-01

How to Cite

1.
Del Toro-Cámbara A, Pozo-Pozo D, García-Fernández M, González-Castro K, Catalá-Rivero Y, Catalá-Díaz Y. Chronobiology of Acute Myocardial Infarction. Rev Ciencias Médicas [Internet]. 2023 Aug. 1 [cited 2025 Sep. 16];27:e5795. Available from: https://revcmpinar.sld.cu/index.php/publicaciones/article/view/5795

Issue

Vol. 27 (2023): (Sistema de Publicación Continua)

Section

ORIGINAL ARTICLES

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