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Study on the Effectiveness Evaluation of Personal Protective Equipment for Health Care Staff Trained with Graphical Interpretation and Operation

  • Yang Sha (a1), You Jian-Ping (a1), Zhang Hui-Lan (a1) and Luo Hong-Xia (a1)

Abstract

Introduction:

Proper use of personal protective equipment (PPE) is essential when facing emerging infectious diseases. Proper training methods can promote the use of the PPE correctly.

Aim:

To explore the effect of the training method of sequential operation training on medical staff to master PPE penetration and removal skills, and to study the memory attenuation after training.

Methods:

Fifteen medical staff with no experience of PPE operation in a hospital were trained to wear PPE in accordance with WHO standards by illustration and sequential operation method. The training included 30 minutes of theoretical teaching and 60 minutes of practical exercises. At the end of the training and 1 week after the training, the training objects were evaluated for PPE operation. A 2.5 x 2.5 cm fluorescent agent was applied on 6 parts, such as hands, chest, abdomen, and knees, to simulate contamination. After taking the PPE off, the parts of the whole body and the inner layer of clothing that were fluorescently contaminated were recorded. The whole operation process was recorded by video to evaluate whether the operation was correct. The error rates of two operations and the contamination position and frequency were compared.

Results:

The error rate of the operating PPE after training was 18.6%, rising to 31.9% after 1 week (Z=16.0, P<0.05). After the training, the average number of contaminated PPE removal was 1.96±1.56, which rose to 2.96±2.03 one month later. The difference was statistically significant (Z=8.92, P<0.05). The main vulnerable sites are the wrist, chest, abdomen, and left calf.

Discussion:

Illustrative sequential operation training is an important means to improve the way for medical staff to wear PPE, but it must be completed more than once to ensure that medical staff can firmly master the skills of wearing and removing PPE.

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