[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

Seldinger法步骤精细(穿刺-置入导丝-扩张-置管),操作损伤相对较小且套管放置成功率高,但对操作者技术要求高于直接切开法,培训不足时反而增加失败风险

1
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85%
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Long-term
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