Prehospital delay and its impact on time to treatment in ST-elevation myocardial infarction

Abstract Purposes We performed this study to assess the impact of pre-hospital time on the patient’s outcome. Procedures Starting from the symptoms onset, “total time to treatment” was divided into less than or equal to 120 minutes and more than 120 minutes (“pre-hospital time” of ≤ or > 30 minut...

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Bibliographic Details
Published in:The American journal of emergency medicine 2011-05, Vol.29 (4), p.396-400
Main Authors: Chughtai, Haroon, MD, Ratner, Douglas, MD, Pozo, Mario, Crouchman, Joseph A, Niedz, Barbara, PhD, Merwin, Richard, MD, Lahita, Robert G., MD, PhD
Format: Article
Language:English
Subjects:
Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Angioplasty, Balloon, Coronary
Biological and medical sciences
Cardiology. Vascular system
Cohort Studies
Coronary heart disease
Electrocardiography
Emergency
Emergency medical care
Emergency Medical Services - organization & administration
Female
Heart
Heart attacks
Hospitals
Humans
Intensive care medicine
Intubation
Ischemia
Male
Medical sciences
Middle Aged
Mortality
Myocardial infarction
Myocardial Infarction - diagnosis
Myocardial Infarction - mortality
Myocardial Infarction - therapy
Retrospective Studies
Studies
Survival Rate
Time Factors
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Summary:Abstract Purposes We performed this study to assess the impact of pre-hospital time on the patient’s outcome. Procedures Starting from the symptoms onset, “total time to treatment” was divided into less than or equal to 120 minutes and more than 120 minutes (“pre-hospital time” of ≤ or > 30 minutes respectively). Adverse patient’s outcomes were compared in the two subgroups. Findings Our patients had a mean age of 63 (±13) years. On-scene time (17.8 ± 9.4 minutes), was the biggest fraction of “pre-hospital time”. Comparing the groups with “Total time to treatment” of >120 minutes vs. ±120 minutes (“pre-hospital time” of >30 vs. ≤30 minutes), mortalities were 4 vs. 0 and transfers to a tertiary care facility were 3 vs.1. Conclusions Most of the pre-hospital time in STEMI was spent on the scene and we suggest “total time to treatment” as a core measure instead of “door to balloon time”.
ISSN:0735-6757
1532-8171
DOI:10.1016/j.ajem.2009.11.006