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在开放式气管切除术中使用的机械力与皮肤式气管切除术技术的比较
Ramya Bharathi1, Gopikrishna M Rao2, Jeremiah Tracy1,2
1Department of Otolaryngology, Tufts Medical Center, Boston, Massachusetts, USA.
透皮气管切除术 (PCT) 需要更大的力量,并且比开放式气管切除术 (OT) 造成更大的气管压缩. 这表明PCT可能会增加气管软骨损伤的风险.
科学领域:
- 医疗工程 医疗工程
- 手术技巧 手术技巧
- 人体解剖学 解剖学 解剖学
背景情况:
- 气管狭窄是气管切除术后的一个潜在并发症.
- 了解开放式气管切除术 (OT) 和穿皮气管切除术 (PCT) 之间的生物机械差异对于减轻这种风险至关重要.
研究的目的:
- 为了比较与OT和PCT相关的机械力和气管压缩.
- 为了研究气管切除术引起的气管狭窄症的病因因素.
主要方法:
- 使用猪气管的活体动物模型被采用.
- 模拟气管切除术使用OT (气管窗) 和PCT (Ciaglia技术) 进行.
- 量化了施加的力 (牛顿) 和气管压缩 (前后距离变化).
主要成果:
- 与OT (10.7N) 相比,PCT需要明显更大的平均力 (23.2N).
- PCT导致气管膜压缩更大 (83%的AP距离变化) 与OT相比 (51%的AP距离变化).
- 在PCT (扩展器:22.02N) 内的特定仪器也显示了比OT的手术刀 (2.6N) 高的力.
结论:
- 透皮气管切除需要更高的机械力,并且比开放式气管切除引发更大的气管压缩.
- 在PCT中增加的力量可能与气管软骨创伤和随后的狭窄症的风险增加有关.
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