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Developing lifesaving skills in children: a simulation-based randomized controlled trial in schools.

Pedro Aguiar Molinari¹, Giulia Pistor Galimberti¹, Antonio Cipriani Gomes da Silva¹

¹Medical Student, Universidade de Caxias do Sul (UCS), Rua Francisco Getúlio Vargas, 1130, Caxias do Sul, RS CEP 95070-560, Brazil.

Resuscitation Plus

|November 24, 2025

Summary

A single Basic Life Support training session for schoolchildren significantly improved CPR knowledge and skills six months later. This demonstrates the effectiveness of brief school-based programs in enhancing bystander resuscitation capabilities.

Keywords:

BLS, resuscitation training Basic life support Emergency education School-based intervention Simulation

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Area of Science:

Medical Education
Public Health
Emergency Medicine

Background:

Basic Life Support (BLS) education in schools is vital for increasing bystander cardiopulmonary resuscitation (CPR) rates.
This study evaluated the long-term knowledge and skill retention of schoolchildren following a BLS training session.

Purpose of the Study:

To assess the retention of CPR knowledge and skills in schoolchildren six months after a single BLS training session.
To determine the effectiveness of BLS training delivered by medical students in improving bystander CPR readiness.

Main Methods:

A simulation-based randomized controlled trial involving 198 students aged 11-16 in Brazil.
The intervention group received a single theoretical-practical BLS training; the control group received no intervention.
Six months post-training, both groups were evaluated on CPR knowledge and practical skills using manikins and questionnaires.

Main Results:

The intervention group showed significantly better performance in completing the resuscitation sequence and higher knowledge scores compared to the control group.
Chest compression quality was markedly higher in the trained group (mean score 51.71) versus the untrained group (17.81).
The training demonstrated sustained improvement in both theoretical and practical BLS skills after six months.

Conclusions:

A single BLS training session by medical students effectively improves and sustains theoretical and practical skills in schoolchildren for at least six months.
These findings support the implementation of brief BLS programs in schools as a public health strategy to enhance community CPR rates.