Unverified90% confidenceDecision RuleTime unknown
液态铁分为二价铁(亚铁盐,如硫酸亚铁、葡萄糖酸亚铁)和三价铁及有机络合铁(如焦磷酸铁、甘氨酸亚铁)。缺铁性贫血纠正首选二价铁,吸收率高;但胃肠敏感人群应选甘氨酸亚铁螯合物,肠胃刺激明显更小
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90%
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Long-term
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Unverified铁剂优选二价亚铁(如乳酸亚铁、富马酸亚铁、甘氨酸亚铁),三价铁需还原为二价才能吸收,吸收率低;甘氨酸亚铁螯合形式对肠胃刺激最小91% similarUnverified铁剂优选二价铁(甘氨酸亚铁、富马酸亚铁、乳酸亚铁),生物利用度和胃肠耐受性优于三价铁;甘氨酸亚铁螯合形式对胃刺激最小,适合易反胃人群91% similarUnverified二价铁(亚铁)吸收率高但刺激胃肠道,三价铁(如多糖铁复合物、铁蛋白)胃肠道耐受性好但吸收较慢;胃肠敏感或既往吃亚铁盐恶心呕吐者优先选三价铁或多糖铁复合物91% similarUnverified补铁优先选二价铁(亚铁/glycinate甘氨酸亚铁)而非三价铁,二价铁吸收率显著更高;甘氨酸亚铁螯合形式胃肠刺激小,适合难以耐受硫酸亚铁便秘/恶心的人群90% similarUnverified补铁产品优先选择二价亚铁(如甘氨酸亚铁、富马酸亚铁、乳酸亚铁),其吸收率显著高于三价铁;其中甘氨酸亚铁(螯合铁)吸收率最高且对肠胃刺激最小,几乎不引起便秘和黑便90% similar
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