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Hereditary haemochromatosis type 1 is a genetic disorder characterized by excessive intestinal absorption of dietary iron, resulting in a pathological increase in total body iron stores. Humans, like most animals, have no means to excrete excess iron, with the exception of menstruation which, for the average woman, results in a loss of 3.2 mg of iron.
Thalassemias are inherited blood disorders characterized by decreased hemoglobin production. Symptoms depend on the type and can vary from none to severe. Often there is mild to severe anemia. Anemia can result in feeling tired and pale skin. There may also be bone problems, an enlarged spleen, yellowish skin, and dark urine. Slow growth may occur in children.
Erythropoietic protoporphyria is a form of porphyria, which varies in severity and can be very painful. It arises from a deficiency in the enzyme ferrochelatase, leading to abnormally high levels of protoporphyrin in the red blood cells (erythrocytes), plasma, skin, and liver. The severity varies significantly from individual to individual.
Iron overload or haemochromatosis indicates increased total accumulation of iron in the body from any cause and resulting organ damage. The most important causes are hereditary haemochromatosis, a genetic disorder, and transfusional iron overload, which can result from repeated blood transfusions.
Chelation therapy is a medical procedure that involves the administration of chelating agents to remove heavy metals from the body. Chelation therapy has a long history of use in clinical toxicology and remains in use for some very specific medical treatments, although it is administered under very careful medical supervision due to various inherent risks, including the mobilization of mercury and other metals through the brain and other parts of the body by the use of weak chelating agents that unbind with metals before elimination, exacerbating existing damage. To avoid mobilization, some practitioners of chelation use strong chelators, such as selenium, taken at low doses over a long period of time.
African iron overload, also known as Bantu siderosis or dietary iron overload, is an iron overload disorder first observed among people of African descent in Southern Africa and Central Africa. Dietary iron overload is the consumption of large amount of home-brewed beer with high amount of iron content in it. Preparing beer in iron pots or drums results in high iron content. The iron content in home-brewed beer is around 46–82 mg/L, compared to 0.5 mg/L in commercial beer. Dietary overload was prevalent in both the rural and urban Black African population, with the introduction of commercial beer in urban areas, the condition has decreased. However, the condition is still common in rural areas. Until recently, studies have shown that genetics might play a role in this disorder. Combination of excess iron and functional changes in ferroportin seems to be the probable cause. This disorder can be treated with phlebotomy therapy or iron chelation therapy.
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References
- ↑ "Professor Innocent Gangaidzo | RCP London". 2023-02-12. Archived from the original on 2023-02-12. Retrieved 2023-02-12.
- ↑ "Gangaidzo, Innocent Tichaona, 27 Jul 1984, 121 Lime Walk, Headington, Oxford" in The Medical Register - Part 1 (1985), p. 1246
- ↑ "Prof. Innocent Gangaidzo – ECSACOP". 2023-02-12. Archived from the original on 2023-02-12. Retrieved 2023-02-12.
- ↑ "Our History – MDPCZ". 2023-02-12. Archived from the original on 2023-02-12. Retrieved 2023-02-12.
- ↑ Chronicle, The. "Minister charms health insurance companies". The Chronicle. Retrieved 2023-02-20.
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