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Variability in functional outcome and treatment practices by treatment center after out-of-hospital cardiac arrest: analysis of International Cardiac Arrest Registry
Maine Med Ctr, Dept Crit Care Serv, 22 Bramhall St, Portland, ME 04102 USA;Tufts Univ, Clin & Translat Sci Inst, Boston, MA 02111 USA.
Maine Med Ctr, Ctr Outcomes Res, Portland, ME 04102 USA.
Maine Med Ctr, Dept Crit Care Serv, 22 Bramhall St, Portland, ME 04102 USA.
Lund Univ, Dept Anesthesia & Intens Care, Skane Univ Hosp, Lund, Sweden.
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2019 (English)In: Intensive Care Medicine, ISSN 0342-4642, E-ISSN 1432-1238, Vol. 45, no 5, p. 637-646Article in journal (Refereed) Published
Abstract [en]

Purpose

Functional outcomes vary between centers after out-of-hospital cardiac arrest (OHCA) and are partially explained by pre-existing health status and arrest characteristics, while the effects of in-hospital treatments on functional outcome are less understood. We examined variation in functional outcomes by center after adjusting for patient- and arrest-specific characteristics and evaluated how in-hospital management differs between high- and low-performing centers.

Methods

Analysis of observational registry data within the International Cardiac Arrest Registry was used to perform a hierarchical model of center-specific risk standardized rates for good outcome, adjusted for demographics, pre-existing functional status, and arrest-related factors with treatment center as a random effect variable. We described the variability in treatments and diagnostic tests that may influence outcome at centers with adjusted rates significantly above and below registry average.

Results

A total of 3855 patients were admitted to an ICU following cardiac arrest with return of spontaneous circulation. The overall prevalence of good outcome was 11-63% among centers. After adjustment, center-specific risk standardized rates for good functional outcome ranged from 0.47 (0.37-0.58) to 0.20 (0.12-0.26). High-performing centers had faster time to goal temperature, were more likely to have goal temperature of 33 degrees C, more likely to perform unconscious cardiac catheterization and percutaneous coronary intervention, and had differing prognostication practices than low-performing centers.

Conclusions

Center-specific differences in outcomes after OHCA after adjusting for patient-specific factors exist. This variation could partially be explained by in-hospital management differences. Future research should address the contribution of these factors to the differences in outcomes after resuscitation.

Place, publisher, year, edition, pages
2019. Vol. 45, no 5, p. 637-646
Keywords [en]
Cardiac arrest, Center variability, Out of hospital arrest
National Category
Anesthesiology and Intensive Care Cardiac and Cardiovascular Systems
Identifiers
URN: urn:nbn:se:uu:diva-383510DOI: 10.1007/s00134-019-05580-7ISI: 000465981200008PubMedID: 30848327OAI: oai:DiVA.org:uu-383510DiVA, id: diva2:1328261
Note

Correction in: INTENSIVE CARE MEDICINE, Volume: 45, Issue: 8, Pages: 1176-1176, DOI: 10.1007/s00134-019-05687-x

Available from: 2019-06-20 Created: 2019-06-20 Last updated: 2019-08-19Bibliographically approved

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