结论用夜间5小时GH测定方法能鉴别出GHND患儿，而传统的药物激发试验则不能推测GH分泌水平。
Conclusion The nocturnal 5-hour GH secrery profile was with superiority in choice as method toidemtify the GHND for which the conventional pharmacologic provocative test can not.
进行激发试验时，明确激发药物或物质的确切剂量很重要，并需以最小的速度增加剂量。
When conducting provocation tests it is essential to know the exact quantity of the drug or agent and to give very small incremental doses.
此外国内临床尚没有“ESC建议”推荐的激发试验药物，也是国内该领域的研究明显滞后的原因之一。
Additionally, there was no provocation test drug recommended by ESC in China, and perhaps it was one of the reasons that researching on BrS was backward in our country.
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