Given that CRRT has now been in clinical use for three decades, it is fair to ask whether research-based evidence supports the use of this more complex and expensive technology in preference to IHD.

既然CRRT用于临床实践已经三十多年了，询问是否有以研究为基础的证据支持优先于IHD使用这种复杂的、费用昂贵的技术是理所当然的。

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