Calendar patterns in the occurrence of cardiac arrest

Our objective was to determine whether monthly and daily patterns existed in cardiac arrests in a 7 emergency department (ED) cohorts in New Jersey. We conducted a retrospective analysis of a computerized database over an 11-year period containing 2,370,233 patient visits and 6,827 nontraumatic card...

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Bibliographic Details
Published in:The American journal of emergency medicine 2002-10, Vol.20 (6), p.513-517
Main Authors: Allegra, John R., Cochrane, Dennis G., Allegra, Emily M., Cable, Greg
Format: Article
Language:English
Subjects:
Age Factors
Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Biological and medical sciences
Cardiac arrest
Circadian Rhythm - physiology
Cohort Studies
daily patterns
Emergency and intensive cardiocirculatory care. Cardiogenic shock. Coronary intensive care
Emergency Medical Services
Heart Arrest - epidemiology
Heart Arrest - physiopathology
Humans
Incidence
Intensive care medicine
Medical sciences
Middle Aged
monthly patterns
New Jersey - epidemiology
Regression Analysis
Retrospective Studies
Seasons
Suburban Health
Time Factors
time series
Urban Health
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Summary:Our objective was to determine whether monthly and daily patterns existed in cardiac arrests in a 7 emergency department (ED) cohorts in New Jersey. We conducted a retrospective analysis of a computerized database over an 11-year period containing 2,370,233 patient visits and 6,827 nontraumatic cardiac arrests. Time-series regression revealed colder months having more cardiac arrests, especially for patients ≥65 years of age. In that age group, December and March were highest with 17% more (P =.002) than the average of nonsignificant months. August was the lowest with 19% (P =.001) fewer cardiac arrests. Day-of-week variation was found only for patients
ISSN:0735-6757
1532-8171
DOI:10.1053/ajem.2002.34799