What type of study is this?

This is a Pre-Registered Trial study.

What question did this study set out to answer?

To evaluate CPR quality differences between one-rescuer and two-rescuer methods in confined spaces.

December 10, 2025Scientific ReportsOpen Access

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To evaluate CPR quality differences between one-rescuer and two-rescuer methods in confined spaces.
Randomized controlled study design using a manikin simulation.
20 healthcare professionals performed CPR in one-rescuer and two-rescuer scenarios.
Scenarios tested in both confined and open spaces over 10 minutes.
Compression depth was measured as a marker of CPR quality.
Two-rescuer method resulted in increased no-flow-time in confined space vs. one-rescuer method (24.24s vs. 21.26s).
Both methods maintained compression frequency and depth within current guidelines.

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Randomized controlled study reveals one-rescuer method improves CPR quality for cardiac arrest in confined spaces.

Schmitz et al. (2025) studied this question.

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