In the blood

 作者:司马黏老     |      日期:2019-03-08 03:13:14
CHILDREN with sickle-cell anaemia start to suffer brain damage when they are as young as four years old, doctors in Tennessee warn. The hereditary condition thickens the blood and causes small clots in one in four affected children. However, Grant Steen and his colleagues at the St Jude Children’s Research Hospital in Memphis, Tennessee, believe the problem has been vastly underestimated (Annals of Neurology, vol 45, p 279). Using detailed magnetic resonance imaging scans of the whole brain, they compared 50 sickle-cell sufferers aged 4 to 17 years with 52 aged-matched children without the disease. All of the children with sickle-cell anaemia had abnormal brain scans, despite the fact that they had never had a stroke. The results suggest that children may benefit from earlier treatment,