The effects of route of admission to a percutaneous coronary intervention centre among patients with out-of-hospital cardiac arrest

초록

Aim: Patients with OHCA who are not transported directly to a percutaneous coronary intervention (PCI)-capable hospital may eventually undergo an inter-hospital transfer (IHT). The aim of the present study was to investigate the effects of route of admission to a PCI centre among patients with OHCA. Methods: We included patients with OHCA of presumed cardiac aetiology that were admitted to a PCI centre between January 2015 and December 2016. The exposure variable was route of admission: direct versus indirect. The 'direct' group was defined as patients who were transferred directly from the field to a PCI centre by emergency medical service (EMS) providers. The 'indirect' group was defined as patients who underwent IHT from a non-PCI centre to a PCI centre. The primary outcome was neurological recovery. We evaluated the effects of route of admission using multivariable logistic regression analysis after adjusting for potential confounders. Results: There were total of 4363 eligible patients: 3488 (78.2%) in the direct group and 975 (21.8%) in the indirect group. Neurologic recovery was better in the direct group (38.0%) than in the indirect group (29.0%). After adjusting for potential confounders, indirect admission was negatively associated with outcomes (adjusted odds ratio [aOR] 0.70; 95% confidence interval [CI] 0.58-0.85). Conclusions: The route of admission to a PCI centre is associated with neurological recovery among resuscitated patients with OHCA of presumed cardiac aetiology. This has implications for regionalized EMS transport and IHT protocols for patients with OHCA.

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