Severe long term sequelae in babies born prematurely
Introduction
Babies born at the lower limit of viability have
25% chance of normal life without severe handicap.
Clinical signs
- cerebral palsy — seen up to 25% of
extremely premature infants (ELBW)
- neurosensory deficits (deafness, blindness)
— seen in 1 – 10% of ELBW infants
- mental retardation (IQ below 80) in 15% of
ELBW infants usually in addition to other morbidities
- severe growth disturbance
- epilepsy
- chronic lung disease
- surviving infants with severe handicap according
to gestational age and birth weight
Table: Survival according to the gestational ageGestational age (weeks) | Children survivnig with severe handicap (%) |
23 – 24 | 60 – 70 |
25 – 26 | 50 |
27 – 29 | 10 – 30 |
30 a více | Pod 1% |
Tabulka: Survival according to the birth weightBirth weight | Survivors with severe handicap (%) |
Under 750 g | 30 and more |
750 – 1000 g | 15 – 20 |
1000 – 1500 g | 5 – 7 |
1500 – 2500 g | 1 |