Were Neanderthals the first humans to bury their dead?
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AIMS: To determine the level of anthrax spore contamination in endemic regions of northern Canada between outbreaks. METHODS AND RESULTS: Bacterial endospores were extracted from specimens via flotation and cultured on selective PLET medium. Of 588 environmental specimens collected, 11 (1.9%) contained viable anthrax spores. CONCLUSION: High environmental concentrations of anthrax spores in northern Canada appear limited to scavenger faeces and anthrax carcass sites. Burial and cremation appear equally effective at removing anthrax spores from the immediate environment, though cremation may be improved by re-burning cremation sites containing unburned animal hair. SIGNIFICANCE AND IMPACT OF THE STUDY: This study describes an effective anthrax spore detection system. It provides the first bacteriological evidence that mammalian scavengers can disseminate anthrax spores in northern Canada, and its results may be compared with future environmental studies of untreated anthrax carcass sites to help improve government response plans.
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BACKGROUND AND OBJECTIVES: Pressure sores usually result from insufficient preventive measures. They are particularly omnipresent among dying persons in geriatric care. This study deals with prevalence, risk factors and the significance of the nursing environment. PATIENTS AND METHODS: The prevalence of pressure sores among the dead was analysed in a prospective cross-sectional study based on 10,222 postmortem examinations in a crematorium in Hamburg. RESULTS: The overall prevalence of pressure sores from grades I to IV was 11.2% (grade I: 6.1%, grade II: 3%, grade III: 1.1%, grade IV: 0.9%). A final logistic regression model showed that pressure sores of Grade III or IV were associated with female gender, date of death in the summer, marasmus, stroke history, neurological disease in general, kidney disease, preceding traumatic events and nursery home residence at the time of death. More than half of all the grade IV cases were diagnosed among nursing home residents whereas those who had died in hospitals contributed to only 11.5% of all the grade IV cases (dead from private homes 34.4%). Nursing home residence was associated with female gender, marasmus and stroke history which predisposed to a higher rate of pressure sores. CONCLUSIONS: Nursing homes are confronted with the highest proportion of pressure sores among dying people when compared to hospitals or private home care. Failure to meet the standards of preventive action against pressure sores point to the shortfalls in the present public health sector and nursing home regulations as well as the medical responsibility for supervision of nursing care. Apart from established standards of care, medicolegal assessment of high-grade pressure sores should also take ethical considerations into account when considering maximum therapy goals among dying persons.
Two medieval coffins containing neonates were examined by CT. The advantages of using computed tomography, compared with conventional x-ray techniques, for analysing various objects within a receptacle are demonstrated.
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Formaldehyde is a toxic gas and classed as an upper respiratory irritant. The gas possesses distinctive physiological properties causing symptoms familiar to many formaldehyde workers, such as: burning of the eyes, lacrimation, and general irritation of the upper respiratory passages. To demonstrate this toxic action of formaldehyde a study was conducted in embalming rooms of funeral homes to determine the concentration and its effect on the embalmers at this level. The control measures in these establishments were also evaluated and found to be inadequate in some respects. Paraformaldehyde powders were sized and found to contain a respirable fraction. The results of the study show that these workers verified the fact that formaldehyde is an irritant at levels that are below the present Threshold Limit Value.