Do peak times exist for sudden cardiac arrest?

Ramireddy, Archana; Chugh, Sumeet S.

doi:10.1016/j.tcm.2020.01.008

Cited by 6 publications

(9 citation statements)

References 30 publications

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“…Our conclusions differ from those of Ramireddy and Chugh (2021), which, based on findings from two recent studies (Ni et al, 2019; Patton et al, 2014), propose a disappearance of the morning peak SCA incidence. In only 186 patients with implantable cardioverter devices (ICDs), Patton et al (2014) did not find a circadian rhythm in ICD therapy (which was not included in the current analysis because of ICD-aborted ventricular arrhythmia).…”

Section: Discussioncontrasting

confidence: 99%

Circadian Rhythms in Sudden Cardiac Arrest

2021

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Background: Sudden cardiac arrest (SCA) is a serious public health issue caused by the cessation of cardiac electrical and mechanical activity. Despite advances in pedestrian lifesaving technologies like defibrillators, the SCA mortality rate remains high, and survivors are at risk of suffering ischemic injury to various organs. Understanding the contributing factors for SCA is essential for improving morbidity and mortality. One factor capable of influencing SCA incidence and survival is the time of day at which SCA occurs.Objectives: This review focused on the effect of time of day on SCA incidence, survival rate, and survival to discharge over the past 30 years and the role of age, sex, and SCA location in modulating the timing of SCA.Methods: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews criteria guided this review. Four databases (PubMed, Cochrane Libraries, Scopus, and Cumulative Index to Nursing and Allied Health Literature) were queried for research reports or articles addressing time of day and cardiac arrest, which were subsequently screened by the authors for inclusion in this analysis.Results: A total of 48 articles were included in the final analysis. This analysis showed a bimodal SCA distribution with a primary peak in the morning and a secondary peak in the afternoon; these peaks were dependent on age (older persons), sex (more frequent in males), and the location of occurrence (out-of-hospital cardiac arrest vs. in-hospital cardiac rest). Survival following SCA was lowest between midnight and 06:00 a.m.Discussion: The circadian rhythm likely plays an important role in the time-of-day-dependent pattern that is evident in both the incidence of and survival following SCA. There is a renewed call for nursing research to examine or address circadian rhythm as an element in studies involving older adults and activities affecting cardiovascular or respiratory parameters.

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Section: Discussioncontrasting

confidence: 99%

Circadian Rhythms in Sudden Cardiac Arrest

2021

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“…By reviewing the literature, some reports validated the phenomenon in SCD (Aronow & Ahn, 2003;Muller et al, 1987;Thakur et al, 1996). Some other studies also identified an early morning nadir of sudden cardiac arrest between 12 A.M. and 6 A.M. (Ramireddy & Chugh, 2021). One possible explanation is circadian pattern of physiological function may be relate to and affect | 4635…”

Section: Discussionmentioning

confidence: 92%

Circadian aspects of mortality in hospitalized patients: A retrospective observation from a large cohort

et al. 2023

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Accumulating evidence has indicated the importance of circadian variations on regulating body functions (e.g., sleep-wake cycle, hormone secretion, blood and temperature regulation, and autonomic nervous tone; Baschieri & Cortelli, 2019;Crnko et al., 2019;Kvaslerud et al., 2010) which plays a great role on disease development. In clinical observation, many cardiovascular diseases (e.g., myocardial infarction, stroke, and arrhythmia) have shown to be closely associated with circadian rhythms (Aronow & Ahn, 2003;Yang et al., 2022). With regard to endogenous rhythms in relation to mortality, sudden cardiac death (SCD) has been mostly studied.Those studies demonstrated that the occurrence of death increases at certain times of the day (Chen & Yang, 2015;Delisle et al., 2021). However, to date, endogenous patterns in relation to mortality of other diseases have rarely been investigated. Whether there is a circadian distribution in overall mortality has yet to be determined.In clinical practice, nurse is the front line of monitoring and treatment for patients, especially for those in intensive care unit (ICU).One study pointed out the importance of research on circadian rhythm and formulated the nursing protocol of identifying circadian health disorders in ICU and hospitalized patients (Padilla-Martínez

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“…People who were >65 years old had a monophasic pattern with a pronounced morning peak, whereas people <65 years old showed an additional increase during the afternoon. Subsequent implantable cardioverter defibrillator studies in people with coronary artery disease showed an increased morning incidence of tachyarrhythmias (for review, see Ramireddy and Chugh 37 ; Table 1).…”

Section: Day/night Rhythms In the Incidences Of Arrhythmogenic Trigge...mentioning

confidence: 99%

“…57 There may be several reasons for the change in day/night rhythms in the incidence of SCD over the last 30 years, including improvements in accurately detecting the onset of events, changes in daily stressors that emerged in the 21st century, increased use of cardiovascular medications to manage cardiovascular disease, a progressive change in the relative portion of shockable versus nonshockable arrhythmias, and a shift in the overall health and metabolic disease prevalence in the general population. 37 Regardless of the reasons for the change, the widely held belief that ventricular arrhythmias and SCA peaks in the mornings may no longer be true today.…”

Section: Compendium: Circadian Mechanisms In Cardio/ Cerebrovascular ...mentioning

confidence: 99%

Circadian Regulation of Cardiac Arrhythmias and Electrophysiology

Delisle,

Prabhat,

Burgess

et al. 2024

Circulation Research

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Circadian rhythms in physiology and behavior are ≈24-hour biological cycles regulated by internal biological clocks (ie, circadian clocks) that optimize organismal homeostasis in response to predictable environmental changes. These clocks are present in virtually all cells in the body, including cardiomyocytes. Many decades ago, clinicians and researchers became interested in studying daily patterns of triggers for sudden cardiac death, the incidence of sudden cardiac death, and cardiac arrhythmias. This review highlights historical and contemporary studies examining the role of day/night rhythms in the timing of cardiovascular events, delves into changes in the timing of these events over the last few decades, and discusses cardiovascular disease-specific differences in the timing of cardiovascular events. The current understanding of the environmental, behavioral, and circadian mechanisms that regulate cardiac electrophysiology is examined with a focus on the circadian regulation of cardiac ion channels and ion channel regulatory genes. Understanding the contribution of environmental, behavioral, and circadian rhythms on arrhythmia susceptibility and the incidence of sudden cardiac death will be essential in developing future chronotherapies.

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Do peak times exist for sudden cardiac arrest?

Cited by 6 publications

References 30 publications

Circadian Rhythms in Sudden Cardiac Arrest

Circadian Rhythms in Sudden Cardiac Arrest

Circadian aspects of mortality in hospitalized patients: A retrospective observation from a large cohort

Circadian Regulation of Cardiac Arrhythmias and Electrophysiology

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