Impact of novel lightweight disposable gastroscope and duodenoscope on endoscopist muscle activation: a comparative study

iGIE Pub Date : 2025-03-01 DOI:10.1016/j.igie.2024.08.008
Veronica Bessone PhD , Robin Rusnak MSc , Sven Adamsen MD, FASGE
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Abstract

Background and Aims

Musculoskeletal injuries are common among endoscopists, and reducing the endoscope weight is considered to be a preventive measure. We aimed to assess the impact on muscle activation of recently developed lightweight gastroscopes and duodenoscopes, compared with standard endoscopes in a 2-part study.

Methods

In the first part, 14 participants performed a protocol using a lightweight disposable and a standard reusable gastroscope in a random order. The protocol constituted of 3 equal working blocks with repetitive and standardized movements. In the second part, 15 endoscopists used a lightweight disposable and a reusable duodenoscope in an artificial model and at rest. For both protocols, the subjects wore a sleeve with embedded superficial electromyographic sensors on the left arm.

Results

Wrist flexor muscle activation was significantly lower when using the lightweight single-use endoscopes during the protocol tasks (P < .05). The extensor muscles were also significantly less activated while using the single-use gastroscope (P < .05), but there was no difference when using the duodenoscopes.

Conclusions

Standardized operation with lightweight endoscopes reduces the load on the left forearm muscles and favors muscle rest compared with heavier standard endoscopes. These improvements in user ergonomics may aid in preventing or delaying the development of tremor, fatigue, and injuries.
新型轻型一次性胃镜与十二指肠镜对内窥镜师肌肉活动影响的比较研究
背景与目的内窥镜医师常见肌肉骨骼损伤,减轻内窥镜重量被认为是一种预防措施。我们的目的是评估最近开发的轻型胃镜和十二指肠镜对肌肉激活的影响,并与标准内窥镜进行比较。方法在第一部分中,14名参与者按随机顺序使用轻型一次性胃镜和标准可重复使用胃镜。协议由3个相等的工作块组成,动作重复、标准化。在第二部分中,15名内窥镜医师在人工模型和静止状态下使用轻型一次性和可重复使用的十二指肠镜。在两种方案中,受试者都在左臂上佩戴了嵌入浅表肌电图传感器的套筒。结果在方案任务中使用轻型一次性内窥镜时腕屈肌激活明显降低(P <;. 05)。使用一次性胃镜时,伸肌的激活程度也明显降低(P <;0.05),但在十二指肠镜下无差异。结论与较重的标准内窥镜相比,轻型内窥镜的标准化操作减轻了左前臂肌肉负荷,有利于肌肉休息。这些使用者人体工程学方面的改进有助于预防或延缓震颤、疲劳和损伤的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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