Autoregulation and intraventricular haemorrhage.
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Biomedical subjects
Publications and source records attributed to R W Cooke.
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Necrotising enterocolitis occurred in 3 infants after angiography at cardiac catheterisation. It is suggested that hypertonic contrast medium might have been responsible and that this complication could be avoided by the use of nonionic contrast media.
Two siblings were born with congenital heart block, and one suffered from severe hydrops fetalis, although maintaining a higher heart rate than the other. The association of hydrops fetalis with disorders of cardiac rhythm is unlikely to be simply a manifestation of congestive cardiac failure in the fetus.
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Administration of oral indomethacin to treat cardiorespiratory failure in 7 low birthweight infants, after failure of conventional therapy, produced an improvement in only 2 infants. These infants had a higher birthweight than the group as a whole. Surgical ligation, rather than oral indomethacin, may be the treatment of choice for persistent ductus arteriosus in very low birthweight infants.
Surgical closure of a patent ductus arteriosus was performed in 8 low birthweight infants suffering from cardiorespiratory failure secondary to a large left-to-right shunt. Mortality from the operation was nil, but only 4 (50%) ultimately survived. Earlier intervention may reduce mortality in these high-risk infants.
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Postmortem brain weight and head circumference were measured in 485 fetuses and newborn infants. A cubic relationship was demonstrated between these two variables in normal infants. Statistically, a significantly larger brain weight for a given head circumference was found in small-for-gestational-age infants.
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A case of recurrent Bacteroides fragilis septicaemia leading eventually to meningitis in a 6-week-old infant is reported. Perforation of the small bowel at the constriction ring of a strangulated inguinal hernia caused a faecal peritonitis and was the primary source of infection. Erythromycin, to which the isolate was fully sensitive in vitro, was only temporarily an effective treatment; the infection was finally eradicated with chloramphenicol, and the baby made a full recovery. Bacteroides infections in infancy and childhood are briefly reviewed.
The outcome of infants who were admitted to the neonatal intensive care unit at Liverpool Maternity Hospital between January 1980 and December 1989 and who developed chronic lung disease (n = 242) was determined. Forty-three (18%) died in hospital and 18 (9% of survivors) were discharged with home oxygen therapy. The number of days spent receiving supplementary oxygen significantly correlated with the number of days of ventilatory support received and the inspired oxygen concentration on day 28. Logistic regression analysis revealed that death in the hospital was independently associated with being male, and correlated with the number of days of ventilatory support received and the inspired oxygen concentration on day 28. An equation that predicted the probability of death in infants with chronic lung disease was derived and was validated for infants with chronic lung disease at another center (Nottingham). This equation may be useful clinically and for research.