| Summary: | 碩士 === 高雄醫學大學 === 公共衛生學研究所 === 90 === An employee, who works in the operating room of a hospital, faces work stress, suffers of ergonomic injuries, and musculoskeletal disorders. Itdemands immediate attention to reduce the occurrence of the worker’s injuries resulting from inappropriate/improper layout of the workplace and the cost of medical treatment. The objectives of this study are to investigate the prevalence of musculoskeletal disorders, to find the potential risk factors and generate appropriate suggestions, and makerecommendations to redesign tools and the layout of the operating room.
The methods of ergonomic risk assessment are : 1） Questionnaire surveying to understand the musculoskeletal disorders of the employee and the concept ofergonomics, 2）Ergonomic job analysis of employees in surgery preparation rooms to collect theergonomic risk factors and musculoskeletal disorders checklist to assess risk factors. 3）The measurement data of the working environment 4) Biomechanics.
The results of the survey showed that the prevalence of musculoskeletal disorders shoulder (78.3%), neck (73.8%), upper back (54.1%) and lower back (50.8%) .The result of the ergonomic job analysis shows that the interface design is unsuitable for employees in surgery preparation rooms. The result of the MSDs checklist analysis showed that employees in a surgery preparation room have a high risk both on the upper and lower limbs. The orthopaedic external instruments (THR), which are 21kg per set, are the heaviest of the surgical instruments (package). In a survey of the average weight in each operating room, it turned out that the orthopaedic equipment is heaviest, at 39.7kg. From this, we can estimate that each employee carries 1204.1kg of weight daily. In the three lifting positions of biomechanical analysis, all of the workers in operating room have to take compressive force on L5/S1 exceeding 3400N, which implies a risk on lower back injury.
The results of the study indicate the incidence of musculoskeletal disorders has been very high among employees in the operating room. In order to reduce ergonomic risk factors, redesigning the working environment (e.g., a mechanical movable rack) environment and improving the working equipment (e.g., the wheel trucks), is likely to decrease the chance of unsuitable positions.
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