BMJ 2010; 341 doi: http://dx.doi.org/10.1136/bmj.c3528 (Published 01 July 2010) Cite this as: BMJ 2010;341:c3528

The type of delivery at birth determines what sort of bacteria populate each individual. By sampling bacteria from 10 newborn babies less than 24 hours after birth, researchers found that babies born by vaginal delivery acquire bacterial communities resembling their mother’s vaginal bacterial composition, whereas babies delivered by caesarean section harbour bacteria more commonly found on skin. Bacteria associated with milk digestion, gum disease, and vaginal infections were prominent in samples taken from the skin and mouths of vaginally delivered babies; bacteria linked with food poisoning, diphtheria, and acne were more common among those born by caesarean (Proceedings of the National Academy of Sciences 2010;107:11971-5, doi:10.1073/pnas.1002601107).

The “myocardial blush grade”—a visual angiographic assessment of myocardial perfusion—as recorded by the operator after primary percutaneous coronary interventions for ST elevation myocardial infarction has a strong prognostic value for one year all cause mortality. This finding is in addition to its prognostic value for long term clinical outcome. A Dutch study concludes that myocardial blush grade should be recorded by the operator at the time of the primary intervention as well as the thrombolysis in myocardial infarction flow grade (Circ Cardiovasc Interv …

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