Enfermeria intensiva · 2026
Impact of a simulation-based training program on the acquisition of ultrasound window competencies for the initial assessment of polytrauma patients in advanced prehospital nursing care.
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Almenara Abellán Jose Luis, Lagares Franco Carolina, Bordes Bustamante Francisco, Gracia Romero Manuel Ángel, Santisteban Espejo Antonio Leopoldo
Аннотация
INTRODUCTION: Point-of-care ultrasound is essential in the initial assessment of polytrauma patients. The E-FAST protocol enables rapid detection of intra-abdominal free fluid, pericardial effusion, and pneumothorax, with particular usefulness in prehospital settings. However, ultrasound training among emergency nursing staff remains limited, especially within Advanced Life Support (ALS) mobile units.
OBJECTIVE: To evaluate the effect of a brief, structured training program on the acquisition of competencies for obtaining E-FAST windows in ALS mobile units nurses, assessing knowledge, technical skills, scanning sequence, and perceived confidence.
METHOD: A quasi-experimental pre-post intervention study was conducted with nurses with ≥6 months of experience in emergency or prehospital care. The intervention included baseline assessment, a 2-h theoretical module, high-fidelity simulation with Ultrasound Mentor®, and hands-on practice with human models. Final assessment combined a theoretical test, simulator-based practical evaluation, and scanning with a real ultrasound device. Knowledge, execution times, and confidence levels were recorded.
RESULTS: Fourteen nurses participated, most without previous ultrasound training (85.7%). Initial confidence was low and improved significantly after the intervention. Theoretical performance increased in 5 of the 6 evaluated items, reaching up to 92.9% accuracy in key content areas. Practical assessment demonstrated an organized scanning sequence and appropriate times for prehospital care (medians of 118 s [IQR 24.5] in advanced simulation and 237 s [IQR 33.3] using a real ultrasound device).
DISCUSSION: The program enabled the acquisition of essential skills even in professionals without prior ultrasound experience. The combination of theory, simulation, and hands-on practice facilitated rapid competency transfer and protocol standardization.
CONCLUSIONS: A brief training program improves ALS mobile units nurses' competence and confidence in obtaining E-FAST windows, supporting the safe integration of point-of-care ultrasound into prehospital care.
OBJECTIVE: To evaluate the effect of a brief, structured training program on the acquisition of competencies for obtaining E-FAST windows in ALS mobile units nurses, assessing knowledge, technical skills, scanning sequence, and perceived confidence.
METHOD: A quasi-experimental pre-post intervention study was conducted with nurses with ≥6 months of experience in emergency or prehospital care. The intervention included baseline assessment, a 2-h theoretical module, high-fidelity simulation with Ultrasound Mentor®, and hands-on practice with human models. Final assessment combined a theoretical test, simulator-based practical evaluation, and scanning with a real ultrasound device. Knowledge, execution times, and confidence levels were recorded.
RESULTS: Fourteen nurses participated, most without previous ultrasound training (85.7%). Initial confidence was low and improved significantly after the intervention. Theoretical performance increased in 5 of the 6 evaluated items, reaching up to 92.9% accuracy in key content areas. Practical assessment demonstrated an organized scanning sequence and appropriate times for prehospital care (medians of 118 s [IQR 24.5] in advanced simulation and 237 s [IQR 33.3] using a real ultrasound device).
DISCUSSION: The program enabled the acquisition of essential skills even in professionals without prior ultrasound experience. The combination of theory, simulation, and hands-on practice facilitated rapid competency transfer and protocol standardization.
CONCLUSIONS: A brief training program improves ALS mobile units nurses' competence and confidence in obtaining E-FAST windows, supporting the safe integration of point-of-care ultrasound into prehospital care.