Trial reportBMC emergency medicine2026
Comparison of video-assisted CPR using the LINE application and telephone-assisted CPR: a randomized controlled simulation trial.
Trial report in BMC emergency medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
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Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
backgroundDispatcher-assisted cardiopulmonary resuscitation (DA-CPR) is associated with improved bystander CPR performance and outcomes in out-of-hospital cardiac arrest (OHCA). However, the optimal method for delivering DA-CPR-telephone-assisted CPR (T-CPR) versus video-assisted CPR (V-CPR)-remains unclear. The LINE application, a widely used messaging platform in Thailand, offers a video call feature that could support real-time CPR guidance.
objectiveTo compare CPR quality metrics-including chest compression depth, chest compression rate, correct hand positioning, and high-quality CPR fraction-between V-CPR delivered via the LINE application and T-CPR in a simulated OHCA scenario.
methodsIn this randomized controlled trial, undergraduate students aged ≥ 18 years from non-health science faculties without prior CPR training were enrolled and paired by sex. Participant pairs were randomly assigned to receive dispatcher guidance via telephone (T-CPR) or video call using the LINE application (V-CPR). Participants performed CPR in a simulated OHCA scenario under real-time dispatcher guidance. CPR quality metrics were measured using a training manikin.
resultsA total of 192 participants (48 pairs per group) were randomized to T-CPR or V-CPR. Baseline characteristics were comparable between groups, and all V-CPR pairs successfully initiated video calls using the LINE application. Compared with the T-CPR group, the V-CPR group achieved greater chest compression depth (3.82 ± 0.85 cm vs. 3.34 ± 0.97 cm; P = 0.011) and a higher high-quality CPR fraction (median 0.47% [IQR 0.00-19.55%] vs. 0.00% [IQR 0.00-2.02%]; P = 0.028). Other metrics, including compression rate and hand positioning accuracy, were comparable between groups. No-flow time was longer in the V-CPR group (median 9 s vs. 6 s; P < 0.001).
conclusionIn this simulation-based trial, V-CPR using the LINE application improved chest compression depth compared with T-CPR but was associated with longer no-flow time.
trial registrationThai Clinical Trials Registry, TCTR20241022011. Registered on 19 October 2024. First posted publicly on 22 October 2024. https://www.thaiclinicaltrials.org/ .
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