Circadian and weekly variation and the influence of environmental variables in acute myocardial infarction

Wijnbergen, IF; Veer, van 't Marcel Marcel; Pijls, Nico Nico; Tijssen, J. G. P.

doi:10.1007/s12471-012-0297-3

Cited by 10 publications

(5 citation statements)

References 16 publications

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“…Environmental variables such as the sunlight have also proved to play an important role in the onset of MI in both hemispheres [20]. Previous studies have suggested an increased onset of MI during daylight hours [23], during periods of short sunlight duration [24] and a “summer shift” with decreased difference between numbers of diurnal and nocturnal MIs during the summer [20]. Air temperature, low atmospheric air pressure and high wind velocity have also been demonstrated to have a strong association with MI [24].…”

Section: Discussionmentioning

confidence: 99%

Circadian onset and prognosis of myocardial infarction with non-obstructive coronary arteries (MINOCA)

et al. 2019

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Background Many acute cardiovascular events such as myocardial infarction (MI) follow circadian rhythms. Myocardial infarction with non-obstructive coronary arteries (MINOCA) is a newly noticed entity with limited data on onset pattern and its impact on prognosis. Material and methods In this observational study of Swedish MINOCA patients registered in the SWEDEHEART registry between 2003–2013 and followed until December 2013 we identified 9,092 unique patients with MINOCA out of 199,163 MI admissions in total. Incidence rate ratios (IRR) were calculated for whole hours, parts of the day, weekdays, months, seasons and major holidays. Results The mean age was 65.5 years, 62.0% were women and 16.6% presented with STEMI. The risk for MINOCA proved to be most common in the morning (IRR = 1.70, 95% CI [1.63–1.84]) with a peak at 08.00 AM (IRR = 2.25, 95% CI [1.96–2.59]) and on Mondays (IRR = 1.28, 95% CI [1.18–1.38]). No altered risk was detected during the different seasons, the Christmas and New Year holidays or the Swedish Midsummer festivities. There was no association between time of onset of MINOCA and short- or long-term prognosis. Conclusion The onset of MINOCA shows a circadian and circaseptan variation with increased risk at early mornings and Mondays, similar to previous studies on all MI, suggesting stress related triggering. However, during holidays were traditional MI increase, we did not see any increase for MINOCA. No association was detected between time of onset and prognosis, indicating that the underlying pathological mechanisms of MINOCA and the quality of care are similar at different times of onset but triggering mechanism may be more active early mornings and Mondays.

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Section: Discussionmentioning

confidence: 99%

Circadian onset and prognosis of myocardial infarction with non-obstructive coronary arteries (MINOCA)

et al. 2019

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“…Furthermore, Danet et al reported a 12% increase in the incidence of acute heart disease for every 10 mbar drop in atmospheric pressure below 1016 mbar and an 11% increase for every 10 mbar rise above this threshold [ 10 ]. However, several studies did not find a significant relationship between the occurrence of AMI and air pressure [ 31 , 37 , 38 ].…”

Section: Discussionmentioning

confidence: 99%

Short-Term Changes in Weather Conditions and the Risk of Acute Coronary Syndrome Hospitalization with and without ST-Segment Elevation: A Focus on Vulnerable Subgroups

Rus,

Lazăr,

Negrea

et al. 2024

Medicina

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Background and Objectives: Acute coronary syndrome (ACS), a prevalent global cardiovascular disease and leading cause of mortality, is significantly correlated with meteorological factors. This study aims to analyze the impact of short-term changes in meteorological factors on the risk of ACS, both with and without ST-segment elevation, and to identify vulnerable subgroups. Materials and Methods: Daily ACS admissions and meteorological variables were collected from October 2016 to December 2021. A generalized linear model (GLM) with a Poisson distribution was employed to examine how short-term fluctuations in meteorological parameters influence ACS hospitalizations. Subgroup analyses were conducted to identify the populations most vulnerable to climate change. Results: Multiple regression analyses showed that short-term fluctuations in atmospheric pressure (≥10 mbar) and air temperature (≥5 °C) seven days prior increased the number of ACS hospitalizations by 58.7% (RR: 1.587; 95% CI: 1.501–1.679) and 55.2% (RR: 1.552; 95% CI: 1.465–1.644), respectively, notably impacting ST-segment elevation myocardial infarctions (STEMIs). The least pronounced association was observed between the daily count of ACS and the variation in relative air humidity (≥20%), resulting in an 18.4% (RR: 1.184; 95% CI: 1.091–1.286) increase in the risk of hospitalization. Subgroup analysis revealed an increased susceptibility among men and older adults to short-term variations in weather parameters. Conclusions: The findings indicate that short-term changes in weather conditions are associated with an increased risk of ACS hospitalizations, particularly STEMIs. Male and older adult patients exhibit heightened susceptibility to variations in climatic factors. Developing effective preventive strategies is imperative to alleviate the adverse consequences of these environmental risk factors.

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“…In Portugal Vasconcelos et al [ 47 ] also reported a negative correlation, although they used various indices rather than individual meteorological variables. On the other hand, Wijnbergen et al from The Netherlands [ 48 ] and Goerre et al from Switzerland [ 35 ] report that incidences of AMI do not statistically significantly differ between colder days and warmer days. Similarly, a study of hospitals in a Turkish city and patients over the age of 65 did not confirm any connection between incidence and low temperatures [ 49 ].…”

Section: Discussionmentioning

confidence: 99%

“…The few European studies that included pressure in their analysis found contradicting results. Some did not find any relation between pressure and the incidence of AMI [ 43 , 48 , 51 , 52 ] or the relationship was not statistically significant [ 52 ]. Others describe either a positive correlation [ 35 , 36 ] or, as in our study, a negative correlation [ 36 , 47 ].…”

Section: Discussionmentioning

confidence: 99%

“…On the other hand, Panagiotakos et al [ 50 ] from Greece, Abrignani et al [ 43 ] from Italy and Ezekowitz et al [ 53 ] in an international study report positive correlations. Barnett et al [ 54 ] and Wijnbergen et al [ 48 ] reported that the effect of humidity was not statistically significant. The results in relation to humidity are less comparable because some authors use maximal ambient humidity and others use relative humidity in their research.…”

Section: Discussionmentioning

confidence: 99%

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Influence of Daily Individual Meteorological Parameters on the Incidence of Acute Coronary Syndrome

Ravljen

Bilban

Kajfež-Bogataj

et al. 2014

IJERPH

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Background: A nationwide study was conducted to explore the short term association between daily individual meteorological parameters and the incidence of acute coronary syndrome (ACS) treated with coronary emergency catheter interventions in the Republic of Slovenia, a south-central European country. Method: We linked meteorological data with daily ACS incidence for the entire population of Slovenia, for the population over 65 years of age and for the population under 65 years of age. Data were collected daily for a period of 4 years from 1 January 2008 to 31 December 2011. In line with existing studies, we used a main effect generalized linear model with a log-link-function and a Poisson distribution of ACS. Results and Conclusions: Three of the studied meteorological factors (daily average temperature, atmospheric pressure and relative humidity) all have relevant and significant influences on ACS incidences for the entire population. However, the ACS incidence for the population over 65 is only affected by daily average temperature, while the ACS incidence for the population under 65 is affected by daily average pressure and humidity. In terms of ambient temperature, the overall findings of our study are in line with the findings of the majority of contemporary European studies, which also note a negative correlation. The results regarding atmospheric pressure and humidity are less in line, due to considerable variations in results. Additionally, the number of available European studies on atmospheric pressure and humidity is relatively low. The fourth studied variable—season—does not influence ACS incidence in a statistically significant way.

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Circadian and weekly variation and the influence of environmental variables in acute myocardial infarction

Abstract: Incidence of AMI shows a circadian pattern with an increase in occurrence during daylight. AMI occurs equally on each day of the week and no relation was found between environmental variables and the occurrence of AMI.

Cited by 10 publications

References 16 publications

Circadian onset and prognosis of myocardial infarction with non-obstructive coronary arteries (MINOCA)

Circadian onset and prognosis of myocardial infarction with non-obstructive coronary arteries (MINOCA)

Short-Term Changes in Weather Conditions and the Risk of Acute Coronary Syndrome Hospitalization with and without ST-Segment Elevation: A Focus on Vulnerable Subgroups

Influence of Daily Individual Meteorological Parameters on the Incidence of Acute Coronary Syndrome

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