About: Circadian, day-of-week, and age patterns of the occurrence of acute coronary syndrome in Beijing's emergency medical services system

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About: Circadian, day-of-week, and age patterns of the occurrence of acute coronary syndrome in Beijing's emergency medical services system Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Circadian, day-of-week, and age patterns of the occurrence of acute coronary syndrome in Beijing's emergency medical services system
Creator	Du, Tiekuan Li, Yi Wang, Houli Xu, Lingjie Xu, Tengda Zhang, Yanping Lewin, Matthew Phd, Xu
Source	Elsevier; Medline; PMC
abstract	Abstract Background Previous in-hospital studies suggest that there are significant circadian rhythms associated with the incidence of acute coronary syndromes (ACSs). No study to date has examined the presentation of ACS in the prehospital setting. Our goal was to examine circadian, day-of-week, and age patterns of occurrence in ACS in a large, urban emergency medical services (EMS) system. Methods We retrospectively reviewed the electronic prehospital medical records from the Beijing's EMS system spanning August 1, 2005, to July 31, 2007. Data were analyzed by hour of the day and day of the week. χ 2 tests were performed to compare the difference. Results Seven thousand thirty-two cases of ACS were identified by the EMS system physicians during the 2-year study period, including 536 cases of acute myocardial infarction. A significant variation of circadian distribution of ACS was observed in both 24-hour (P < .001) and 2-hour (P < .001) interval time course. Two peaks were observed in the morning from 0800 to 1000 and approaching midnight from 2200 to 2400. Increases of 50% and 60.8% in the morning and evening peaks were found, respectively, when compared with the early morning baseline (nadir). No significant difference was found among the accumulated cases in 2 years on each day in a week (P = .203). Conclusions Our study shows that, in the Beijing metropolitan area, the presentation of ACS has significant circadian rhythm characterized by 2 peaks within 24 hours, the morning peak is 0800 to 1000, and the late evening peak is 2200 to 2400. No significant weekly rhythm was observed in the present study.
has issue date	2010-07-31(xsd:dateTime)
bibo:doi	10.1016/j.ajem.2009.02.033
bibo:pmid	20637380
has license	els-covid
sha1sum (hex)	30266f3a22777ff4d5210e49a7094e1cfe4bef62
schema:url	https://doi.org/10.1016/j.ajem.2009.02.033
resource representing a document's title	Circadian, day-of-week, and age patterns of the occurrence of acute coronary syndrome in Beijing's emergency medical services system
has PubMed Central identifier	PMC7126581
has PubMed identifier	20637380
schema:publication	The American Journal of Emergency Medicine
resource representing a document's body	covid:30266f3a22777ff4d5210e49a7094e1cfe4bef62#body_text
is schema:about of	named entity 'ORIGINAL' named entity 'prehospital' named entity 'distribution' named entity 'emergency medical services' named entity 'acute coronary syndrome' named entity 'DAY' named entity 'OCCURRENCE' named entity 'METHODS' named entity 'REVIEWED' named entity 'CONCLUSIONS' named entity 'STUDY' named entity 'INCREASES' named entity 'AGE' named entity 'ELECTRONIC' named entity 'THIRTY' named entity 'ANALYZED' named entity 'PRESENTATION' named entity 'VARIATION' named entity 'RESULTS' named entity 'ACS' named entity 'EXAMINED' named entity 'MORNING' named entity 'OF-' named entity 'RHYTHM' named entity '2200' named entity 'URBAN' named entity 'SYSTEM' named entity 'TO EXAMINE' named entity 'PERIOD' named entity 'PEAKS' named entity 'GOAL' named entity 'SETTING' named entity 'CIRCADIAN' named entity 'WEEKLY' named entity 'CASES' named entity 'BACKGROUND' named entity 'INTERVAL' named entity 'LARGE' named entity '27S' named entity 'WEEK' named entity 'PHYSICIANS' named entity 'DAY OF THE WEEK' covid:arg/30266f3a22777ff4d5210e49a7094e1cfe4bef62 named entity 'SEVEN' named entity 'EACH DAY' named entity 'MEDICAL RECORDS' named entity 'EMERGENCY MEDICAL SERVICES' named entity 'OCCURRENCE' named entity '50%' named entity 'TESTS' named entity 'FOUND' named entity 'ACUTE CORONARY SYNDROMES' named entity '1000' named entity 'OBSERVED' named entity 'HOUR' named entity '203' named entity 'CHARACTERIZED' named entity 'ACCUMULATED' named entity 'DIFFERENCE' named entity 'THOUSAND' named entity 'WEEK' named entity 'AUGUST' named entity 'PERFORMED' named entity 'MIDNIGHT' named entity 'IDENTIFIED BY' named entity 'CIRCADIAN RHYTHM' named entity 'OF-' named entity 'JULY' named entity 'APPROACHING' named entity 'HOUR OF THE DAY' named entity 'ASSOCIATED WITH' named entity 'CIRCADIAN' named entity 'EMERGENCY MEDICAL SERVICES SYSTEM' named entity 'PATTERNS'

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