Statistics on the brain
Statitics on the brain relating to premature babies
Stats on the brain
- Approximately 20% of very low birth weight infants have moderate to severe white matter abnormality of the brain
- Cystic periventricular leukomalacia is thought to affect approximately 3-5% of very preterm infants
- Medical advances have resulted in a large decrease in incidence of intraventricular haemorrhage (IVH) from approximately 30-55% in the 1980s to 2-5%, in 1997
- Premature babies less than 1,000 g (2 pounds) or less than 28 weeks – 50% to 60% chance of developing IVH
- Premature babies born less than 1,500 g – 10% to 20% chance of developing IVH
- Of those preterm babies who develop an IVH;
- 40% grade 1 (mild bleeds)
- 30% grade 2,
- 20% grade 3, and
- 10% grade 4
(Bowerman, Donn, Silver, & Jaffe, 1984; Hamrick et al., 2004; Inder & Volpe, 2000; Inder, Wells, Mogridge, Spencer, & Volpe, 2003; Volpe, 2001)
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