Validating the assessment of glucose 6 phosphate dehydrogenase g6pd
Other searches without the filter were carried out to find publications addressing specific issues.
This may represent cultural differences in the approach to breastfeeding and the support mechanisms in place.
These risk factors are all common and the attributable risk of each is therefore very low.
They are of limited use in directing surveillance, investigation or therapy by themselves, but can be useful in combination with timed TSB analysis.
A search was carried out in MEDLINE and the Cochrane library and was last updated in January 2007.
Search terms in MEDLINE were hyperbilirubinemia and newborn, and the clinical queries filter of Haynes et al  was applied using the broad, sensitive option.
All of the reasons for the variable susceptibility of infants are not known; however, dehydration, hyperosmolarity, respiratory distress, hydrops, prematurity, acidosis, hypoalbuminemia, hypoxia and seizures are said to increase the risk of acute encephalopathy in the presence of severe hyperbilirubinemia , although reliable evidence to confirm these associations is lacking .