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J Trace Elem Med Biol ; 38: 131-137, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-27289401

RESUMO

Cribra orbitalia (CO), or porotic hyperostosis (PH) of the orbital roof, is one of the most common pathological conditions found in archaeological subadult skeletal remains. Reaching frequencies higher than 50% in many prehistoric samples, CO has been generally attributed to a variety of factors including malnutrition (e.g., megaloblastic anemia) and parasitism. In this study, we tested the relationship between CO, trace element concentrations, and stable isotope values (δ13C, δ15N, δ18O) in subadult skeletons from a 17th to 18th century cemetery in the historic town of Jekabpils, Latvia. A total of 28 subadults were examined, seven of which (25%) showed evidence of CO. Bioarchaeological evidence indicated high mortality for children in this cemetery: half of the burials were subadults under the age of 14, while a third were under the age of four. Life expectancy at birth was estimated to have been only 21.6 years. Trace element concentrations measured by Inductively Coupled Plasma - Mass Spectrometry (ICP-MS) showed no relationship between presence or absence of CO and levels of manganese, zinc, strontium, barium, copper, cadmium, or lead in the bones (p>0.05). However, a significant correlation (p<0.05) was found between the presence of CO and decreased levels of iron. The correlations between CO and decreased levels of copper and lead approached significance (p=0.056 for both elements). Individuals with CO furthermore displayed significantly lower δ15N isotope values, suggesting greater consumption of lower trophic level food resources than those unaffected by CO; δ13C and δ18O values, in contrast, showed no significant differences. These results suggest that the prevalence of CO may be related to dietary deficiencies. In this case, low iron levels may also signify a diet low in other key vitamins (e.g., B9 and B12), which are known to cause megaloblastic anemia.


Assuntos
Cemitérios , Hiperostose/complicações , Hiperostose/patologia , Órbita/patologia , Estresse Psicológico/complicações , Oligoelementos/análise , Adolescente , Isótopos de Carbono , Monóxido de Carbono/análise , Monóxido de Carbono/metabolismo , História do Século XVII , História do Século XVIII , Humanos , Hiperostose/metabolismo , Letônia , Isótopos de Nitrogênio , Órbita/química , Órbita/metabolismo , Isótopos de Oxigênio , Estresse Psicológico/metabolismo , Oligoelementos/metabolismo , Adulto Jovem
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