Clinical examinations were done in 6 Hospital on 206 infants.
We observed 160 infants in which 131 (81.9%) had exchange transfusion and others 29 (18.1%) had non-exchange transfusion.
In exchange transfusion group, 18 typical cerebral palsy (c. p.) was found (13.7%).
In non-exchange transfusion group 1 typical c. p. was found. (non-typical or questionable type was avoided.)
Typical c. p. in 160 infants after jaundice were 19 infants (12%).
In our studies hyperbilirubinemia on typical c. p. showed over 25mg/dl, but 10 infants over 30mg/dl Bilirubinemia was no c. p. and under 20mg/dl Bilirubinemia a few c. p. was seen.
So the exchange transfusion showld be done according to hyperbilirubinemia and clinical findings (conf. Praah' Stadium).
From standpoint of orthopedist we hope that the early diatnosis and treatment of c. p. must be done with co-work by pediatrists, obstetricians and orthopedists.
