Seven days in medicine: 27 July to 2 August 2022
BMJ 2022; 378 doi: https://doi.org/10.1136/bmj.o1918 (Published 04 August 2022) Cite this as: BMJ 2022;378:o1918
Paediatric hepatitis
Preliminary studies suggest link to two viruses
Coinfection with two viruses—AAV2 and an adenovirus, or less often the herpes virus HHV6—may offer the best explanation for recent cases of acute hepatitis seen in children, researchers believe. Two studies, from London and Glasgow, independently found that AAV2 (adeno associated virus 2) was present at high levels in blood samples from patients with unexplained hepatitis. AAV2 is not an adenovirus but is a member of the parvovirus family. Both studies, published as preprints, ruled out the likelihood of recent or prior SARS-CoV-2 infection as a direct cause for the acute hepatitis.1 (Full story doi:10.1136/bmj.o1876)
Vitamin D
Supplements “don’t reduce fractures in healthy elderly”
Vitamin D supplementation did not result in a significantly lower risk of fractures than placebo in generally healthy middle aged and older adults who were not recruited on the basis of vitamin D deficiency, low bone mass, or osteoporosis, in a study reported in the New England Journal of Medicine.1 The 25 871 participants were followed for five years, and the researchers found no difference in the number of fractures in people taking vitamin D and those taking placebo.
Surgery
Concurrent work across two theatres “carries risks”
Researchers warned of the risks of having a single surgeon work across two parallel operating …
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