Comparison of Inhospital Mortality and Frequency of Coronary Angiography on Weekend Versus Weekday Admissions in Patients With Non–ST-Segment Elevation Acute Myocardial Infarction

Patients with myocardial infarction admitted on weekends have been reported to less frequently undergo invasive angiography and experience poorer outcomes. We used the Nationwide Inpatient Sample database (2003 to 2011) to compare differences in all-cause inhospital mortality between patients admitt...

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Bibliographic Details
Published in:The American journal of cardiology 2016-09, Vol.118 (5), p.632-634
Main Authors: Agrawal, Sahil, Garg, Lohit, Sharma, Abhishek, Mohananey, Divyanshu, Bhatia, Nirmanmoh, Singh, Amitoj, Shirani, Jamshid, Dixon, Simon
Format: Article
Language:English
Subjects:
Acute coronary syndromes
After-Hours Care
Aged
Aged, 80 and over
Cardiovascular disease
Confidence intervals
Coronary Angiography - adverse effects
Coronary Angiography - mortality
Coronary vessels
Female
Health care policy
Heart attacks
Hospital Mortality
Hospitals
Humans
Length of Stay - statistics & numerical data
Male
Medical imaging
Middle Aged
Mortality
Non-ST Elevated Myocardial Infarction - diagnosis
Non-ST Elevated Myocardial Infarction - mortality
Non-ST Elevated Myocardial Infarction - therapy
Patient Admission - statistics & numerical data
Patient Discharge - statistics & numerical data
Patients
Percutaneous Coronary Intervention - adverse effects
Percutaneous Coronary Intervention - mortality
Registries
Retrospective Studies
Risk Assessment
Risk Factors
Time Factors
Treatment Outcome
United States - epidemiology
Workforce planning
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Summary:Patients with myocardial infarction admitted on weekends have been reported to less frequently undergo invasive angiography and experience poorer outcomes. We used the Nationwide Inpatient Sample database (2003 to 2011) to compare differences in all-cause inhospital mortality between patients admitted on a weekend versus weekday for an acute non–ST-segment elevation myocardial infarction (NSTEMI) and to determine if rates and timing of coronary revascularization contributed to this difference. A total of 3,625,271 NSTEMI admissions were identified, of which 909,103 (25.1%) were weekend and 2,716,168 (74.9%) were weekday admissions. Admission on a weekend versus weekday was independently associated with lower rates of coronary angiography (odds ratio [OR] 0.88; 95% confidence interval [CI] 0.89 to 0.90; p
ISSN:0002-9149
1879-1913
DOI:10.1016/j.amjcard.2016.06.022