Unverified80% confidenceTradeoffTime unknown
缓释型铁剂胃肠刺激小但吸收率可能降低,普通剂型吸收快但对胃刺激大;胃肠耐受良好者选普通甘氨酸亚铁,敏感者选缓释或分次小剂量
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
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Related Claims
Unverified缓释型或肠溶型铁剂能减少胃部刺激,但会降低吸收率(铁主要在十二指肠吸收,缓释可能错过吸收窗口);追求疗效应选普通剂型随餐后服用92% similarUnverified缓释型/肠溶铁剂虽减少胃部刺激,但可能因在小肠上段释放不足而降低吸收率,对已明确贫血需高效补铁者不一定是最优选,普通剂型空腹或餐前服用吸收更好(但更刺激胃)92% similarUnverified吸收率越高的二价铁肠胃刺激越大,缓释型(slow-release)铁剂刺激小但因释放位置偏向肠道下段导致吸收率反而降低,追求疗效应权衡选普通型或螯合铁而非缓释型90% similarUnverified缓释/肠溶片虽减轻胃部刺激,但铁在十二指肠和空肠上段吸收最佳,包衣延迟溶解可能降低整体吸收率;胃肠耐受者普通制剂空腹服吸收更好89% similarUnverified缓释/肠溶铁剂虽减少胃部刺激,但会使铁在十二指肠主吸收部位之后才释放,反而降低吸收率,胃肠可耐受者不必优先选缓释型89% similar
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