结论：经皮气管切开术具有安全、简单、快速、创伤小、花费低廉的优点，可基本取代传统的气管切开术。
Conclusion: Percutaneous tracheostomy is more quick, safe and simple, with minor injury and cost less, which can take the place of traditional tracheotomy.
具有手术指征者，切开复位交叉克氏针内固定，可明显降低肘内翻的发生。
For those needing operation, crossed-pin and interior fixation has very good effect with less possibility of cubitus varus.
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