Rescuers' effect on active compression-decompression cardiopulmonary resuscitation (ACD-CPR) operating

Area of Science:

• Emergency medicine
• Medical device usability
• Cardiopulmonary resuscitation (CPR)

Background:

• Automated chest compression (ACD) devices are used to assist rescuers during cardiopulmonary resuscitation.
• Understanding rescuer perceptions and anatomical factors influencing ACD operation is crucial for improving its effectiveness.
• Current training may not adequately address usability challenges faced by diverse rescuer populations.

Purpose of the Study:

• To evaluate the perceptions of emergency medical professionals regarding the usability of ACD devices.
• To identify anatomical characteristics associated with easier or more difficult ACD operation.
• To provide recommendations for improving ACD training and device design.

Main Methods:

• A prospective, descriptive study involving 39 emergency medical professionals who received ACD training.
• Participants performed cardiopulmonary resuscitation using both ACD and standard techniques on a manikin.
• Data collected included participant perceptions of ACD ease-of-use and anthropometric measurements.

Main Results:

• 56.4% of participants found ACD devices difficult or very difficult to use.
• Rescuers who found ACD easy to use were taller and had longer torso and limb measurements.
• Female rescuers and those with shorter stature may experience greater difficulty operating ACD devices.

Conclusions:

• ACD usability is a significant concern for emergency medical professionals.
• Rescuer anatomy, particularly height and limb length, influences perceived ease of ACD operation.
• Modifications to ACD operation, such as using a footstool or knee support, and incorporating these findings into training are recommended.