The association of duration of resuscitation and long-term survival and functional outcomes after out-of-hospital cardiac arrest

Longer emergency medical system cardiopulmonary-resuscitation-to-return of-spontaneous-circulation (EMS CPR-to-ROSC) interval has been associated with worse hospital discharge outcomes after out-of-hospital cardiac arrest (OHCA). We hypothesized that this association extends post-discharge in hospit...

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Vydáno v:Resuscitation Ročník 182; s. 109654
Hlavní autoři: Chai, Jocelyn, Fordyce, Christopher B., Guan, Meijiao, Humphries, Karin, Hutton, Jacob, Christenson, Jim, Grunau, Brian
Médium: Journal Article
Jazyk:angličtina
Vydáno: Ireland Elsevier B.V 01.01.2023
Témata:
Adult
Aftercare
Cardiac arrest
Cardiopulmonary Resuscitation
Emergency Medical Services
Humans
Out-of-Hospital Cardiac Arrest - therapy
Patient Discharge
Return of spontaneous circulation
Return of spontaneous circulation
Cardiopulmonary resuscitation
Cardiac arrest
ISSN:0300-9572, 1873-1570, 1873-1570
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Shrnutí:Longer emergency medical system cardiopulmonary-resuscitation-to-return of-spontaneous-circulation (EMS CPR-to-ROSC) interval has been associated with worse hospital discharge outcomes after out-of-hospital cardiac arrest (OHCA). We hypothesized that this association extends post-discharge in hospital survivors. We investigated whether pre-arrest co-morbidities influence the duration of resuscitation. We included EMS-treated adult OHCA (January 2009 – December 2016) from British Columbia Cardiac Arrest Registry linked to provincial databases. Pre-OHCA characteristics were compared by ≤10, 10–20, and >20 min interval categories. Outcomes included survival and functional outcomes at hospital discharge and 1- and 3-year survival. We examined the relationship between CPR-to-ROSC intervals and survival using Kaplan-Meier. We examined the relationship between the CPR-to-ROSC interval (continuous variable) with all outcomes using regression models. Among 10,241 OHCA, 4604 (45%) achieved ROSC, with a median CPR-to-ROSC interval of 15.5 (IQR 9.0–22.9) minutes. Diabetes, chronic kidney disease, and prior myocardial infarction were associated with longer CPR-to-ROSC intervals. 1245 (12.2%) survived to hospital discharge. Among hospital survivors, Kaplan-Meier survival at 1- and 3-years were 92% [95% CI 90–93%] and 84% [95% CI 82–86%] respectively; survival curves stratified by CPR-to-ROSC intervals were not statistically different. Longer CPR-to-ROSC interval was non-linearly associated with lower survival and functional outcomes at hospital discharge but not with post-discharge outcomes. Longer CPR-to-ROSC interval was associated with lower survival at hospital discharge and was influenced by pre-arrest co-morbidities. However, these intervals were not associated with long-term survival or functional outcome among hospital survivors, suggesting early risk of longer CPR-to-ROSC intervals does not persist.
Bibliografie:ObjectType-Article-1
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ISSN:0300-9572
1873-1570
1873-1570
DOI:10.1016/j.resuscitation.2022.11.020