Afternoon nap, meal ingestion and circadian variation of acute myocardial infarction

Kolettis, Theofilos M.; Παπαθανασίου, Αθανάσιος; Tziallas, D.; Milionis, H. J.; Kastanioti, Catherine; Achenbach, Kerstin

doi:10.1016/j.ijcard.2006.11.164

Cited by 13 publications

(11 citation statements)

References 17 publications

(20 reference statements)

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“…[1][2][3][4][5][6][7][8] Some authors have identified an early to midmorning peak in mortality rates among patients with acute myocardial infarction, whereas others have identified different patterns. [1][2][3][4][5][6][7][8] The distribution of when patients experience onset of symptoms as well as outcomes of care as a function of circadian rhythm have not been evaluated in a contemporary cohort of patients undergoing reperfusion therapy.…”

mentioning

confidence: 99%

Circadian Rhythms in Patients With ST-Elevation Myocardial Infarction

Holmes

Aguirre

Aplin

et al. 2010

Circ: Cardiovascular Quality and Outcomes

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mentioning

confidence: 99%

Circadian Rhythms in Patients With ST-Elevation Myocardial Infarction

Holmes

Aguirre

Aplin

et al. 2010

Circ: Cardiovascular Quality and Outcomes

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“…Although morning peak of the onset of AMI is very common, especially western countries, several studies reported a secondary peak at noon (12,13). Lunch is usually the main meal of the day in some countries including Turkey.…”

Section: Discussionmentioning

confidence: 99%

Influence of statin therapy on circadian variation of acute myocardial infarction

Erdoğan¹,

Ozaydin²,

Türker³

et al. 2010

Anadolu Kardiyol Derg

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Objective: Strong evidence has suggested that there is a circadian periodicity of acute coronary event. Beta-blockers, aspirin and angiotensinconverting enzyme inhibitors decrease the rate of acute myocardial infarction (AMI) and blunt the peak incidence in the morning. However, such effect has not been evaluated for statins. Accordingly, the present study aimed to evaluate the influence of statin therapy on circadian variation of AMI. Methods: This retrospective study consisted of 451 consecutive patients with acute ST segment elevation AMI. The patients were divided into two group based on prior statin usage. In statistical analysis t test, Chi-square test and Mann Whitney U test were used for comparison of groups. We used harmonic regression models to evaluate the circadian variation of onset of MI symptoms in patients receiving statin and patients not receiving statin. Results: In all study participants, the highest incidence of AMI was between 6.00 and 12.00; the odds ratio was 1.34 (95% CI 1.20 to 1.46, p<0.001). In the non-statin group, the highest incidence of AMI occurred between 0:00 A.M. and 06.00. There was still a peak incidence between 6.00 A.M. and noon in the statin therapy receiving group; the odds ratio was 1.61 (95% CI 1.34 to 1.80, p<0.001). Accordingly, there was no statistical difference between the statin and non-statin groups regarding circadian variation of AMI. Prior usage of statin did not blunt the peak incidence of AMI in the morning.

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“…A secondary peak in the circadian variation of acute thrombotic events has also been demonstrated [6]. This peak may be related to the ingestion of the main daily meal, in conjunction with post-prandial physical inactivity, irrespective of sleep [6].…”

Section: Introductionmentioning

confidence: 99%

“…Several factors have been proposed such as changes in catecholamine levels, fibrinolytic activity, blood pressure, platelet aggregability, coronary tone and endothelial function [4,5]. A secondary peak in the circadian variation of acute thrombotic events has also been demonstrated [6]. This peak may be related to the ingestion of the main daily meal, in conjunction with post-prandial physical inactivity, irrespective of sleep [6].…”

Section: Introductionmentioning

confidence: 99%

The effect of Ramadan fasting on circadian variation of Turkish patients with acute myocardial infarction

Türker¹,

Aydın²,

Aslantaş³

et al. 2012

pwki

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A b s t r a c tIntroduction: The mechanisms of circadian variation in cardiovascular events are not clear. Aim: Evaluation of the effect of Ramadan fasting on circadian variation of acute ST-elevation myocardial infarction (STEMI) in Turkish patients.Material and methods: This comparative cross-sectional study included 151 consecutive patients with acute STEMI. The time of onset of STEMI was determined by the attending physician on the basis of patients' self-reports. The patients were divided into two group based on the history of fasting. The standard hourly profile of the onset of STEMI was obtained over a 24-h period. Patients were then categorized into four 6-hour increments according to the time that the symptoms began (00:00-05:59; 06:00-11:59; 12:00-17:59 and 18:00-23:59 h).Results: In all study participants, the highest incidence of STEMI was between 12.00 and 18.00; the odds ratio was 2.77 (95% CI: 2.63-2.92, p < 0.001). In the non-fasting group, the highest incidence of STEMI occurred between 06:00 and 12:00 A.M. The highest incidence of AMI occurred between 12.00 A.M. and 18.00 in patients with fasting; the odds ratio was 2.70 (95% CI: 2.51-2.91, p < 0.001). There were significant differences between fasting and non-fasting groups regarding circadian variation of STEMI (p < 0.001).Conclusions: There are significant changes in the circadian variation of patients with STEMI in relation to Ramadan fasting.

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Afternoon nap, meal ingestion and circadian variation of acute myocardial infarction

Cited by 13 publications

References 17 publications

Circadian Rhythms in Patients With ST-Elevation Myocardial Infarction

Circadian Rhythms in Patients With ST-Elevation Myocardial Infarction

Influence of statin therapy on circadian variation of acute myocardial infarction

The effect of Ramadan fasting on circadian variation of Turkish patients with acute myocardial infarction

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