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Region Hovedstaden - en del af Københavns Universitetshospital
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Effect of real-time and post-event feedback in out-of-hospital cardiac arrest attended by EMS - A systematic review and meta-analysis

Publikation: Bidrag til tidsskriftReviewForskningpeer review

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Objectives: A systematic review to determine if cardiopulmonary resuscitation (CPR) guided by either real-time or post-event feedback could improve CPR quality or patient outcome compared to unguided CPR in out-of-hospital cardiac arrest (OHCA).

Methods: Four databases were searched; PubMed, Embase, CINAHL, and Cochrane Library in August 2020 for post 2010 literature on OHCA in adults. Critical outcomes were chest compression depth, rate and fraction. Important outcomes were any return of spontaneous circulation, survival to hospital and survival to discharge.

Results: A total of 9464 studies were identified with 61 eligibility for full text screening. A total of eight studies was included in the meta-analysis. Five studies investigated real-time feedback and three investigated post-event feedback. Meta-analysis revealed that real-time feedback statistically improves compression depth and rate while post-event feedback improved depth and fraction. Feedback did not statistically improve patient outcome but an improvement in absolute numbers revealed a clinical effect of feedback. Heterogenity varied from "might not be important" to "considerable".

Conclusion: To significantly improve CPR quality real-time and post-event feedback should be combined. Neither real-time nor post event feedback could statistically be associated with patient outcome however, a clinical effect was detected. The conclusions reached were based on few studies of low to very low quality.

PROSPERO registration: CRD42019133881.

OriginalsprogEngelsk
TidsskriftResuscitation plus
Vol/bind6
Sider (fra-til)100101
ISSN2666-5204
DOI
StatusUdgivet - jun. 2021

ID: 67552104