Unverified83% confidenceDecision RuleTime unknown
背心式（HFCWO高频胸壁振荡）比手持式排痰机覆盖面积更均匀，适合全肺叶排痰；但需确认背心尺码可覆盖锁骨下至肋弓下缘，选购时以胸围而非体重为准，胸围误差应≤5cm
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83%
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Long-term
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