In a prospective study at Sultan Qaboos University Hospital, 95 premat
ure infants with birthweights equal or less than 1500g were screened f
or intraventricular haemorrhage (IVH) using cranial ultrasound. Ninete
en (20 per cent) were found to have developed IVH. Eight out of fourte
en variables studied showed a significant difference between infants w
ho did and those who did not develop IVH. These variables were Apgar s
core at 1 and 5 min, mechanical ventilation (IPPV), blood transfusion,
receiving boluses of sodium bicarbonate for correction of metabolic a
cidosis, the degree of acidosis,the degree, and duration of hypercarbi
a (CO2 > 8KPa).