Iron and ferritin deficiency in women with hypothyroidism and chronic lymphocytic thyroiditis - systematic review.
Level 5 - mechanism / opinion, no new human data
Mechanistic overview and narrative synthesis of literature without reported systematic trial pooling or empirical data in the abstract
PubMed 38923898 · doi:10.5603/ep.97860
What was done
The authors conducted a systematic literature review evaluating iron and ferritin deficiency in women with hypothyroidism and chronic lymphocytic (Hashimoto's) thyroiditis, focusing on biological mechanisms, pathogenesis, and nutritional supplementation.
What was found
The abstract reports no empirical findings or pooled quantitative data from the included studies. It provides general background statistics (iron deficiency causes anaemia in 42% of children and 50% of women) and describes the mechanism whereby iron deficiency diminishes thyroid peroxidase (TPO) activity because TPO is a heme-dependent enzyme essential for thyroid hormone production.
Why it matters
It highlights the physiological requirement of iron for thyroid hormone synthesis, reinforcing the recommendation to check ferritin and iron levels in women diagnosed with Hashimoto's disease.
Limits
The abstract provides no information on search methodology, inclusion/exclusion criteria, number of included studies, sample sizes, or quantitative synthesis. It functions primarily as a narrative and mechanistic overview.
Cited by
- supports Adequate iron levels are required for proper thyroid function and thyroid hormone synthesis.