失血引起的获得性缺铁性贫血
Acquired iron deficiency anaemia due to blood loss
- 上级条目
- 3A00 缺铁性贫血
- 层级
- 5 级
定义
慢性失血是每一例缺铁性贫血的可能原因。缺铁性贫血可由胃肠道、子宫或泌尿生殖系统急性出血、大量月经失血（月经过多）和多次献血引起。在许多热带国家，钩虫侵染会导致肠道失血，有些人甚至会严重失血。缺铁也可能由与“慢性出血后贫血”有关的几种情况引起。诊断为铁缺乏症时，应始终寻找失血的病理原因（如胃肠道或子宫的肿瘤，特别是在子宫出血增加或规律性改变时）。
Chronic blood loss is a possible cause in every case of iron-deficiency anaemia. Iron deficiency anaemia may be caused by acute bleeding in gastrointestinal tract, uterus or genitourinary system, copious menstrual blood losses (menorrhagia) and multiple blood donations. In many tropical countries, infestations with hookworms lead to intestinal blood losses that in some individuals can be considerable. Iron deficiency may also be caused by several circumstances related to “chronic posthaemorrhagic anaemia”. A diagnosis of iron deficiency should always lead to a search for pathologic causes of blood loss (e.g. tumours in the gastrointestinal tract or uterus, especially if uterine bleedings have increased or changed in regularity).
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