Longitudinal head growth in developmentally normal preterm infants

Article Abstract:

Current distribution curves for measuring the increase in head circumference over time may not be useful for very-low-birth-weight infants. Head circumference measures brain size, and overly small circumference is a possible indicator of neurological problems. Researchers periodically measured the head circumference of 450 infants who weighed less than 2,500 grams at birth until the infants were 18 months old. All infants were white, born at appropriate weights for gestational age, and developmentally normal. The National Center for Health Statistics reference data and the aggregate head-circumference grid of Babson and Benda proved adequate for comparison for babies weighing more than 1,000 grams. However, the distribution of head circumferences fell below and remained below both of these reference curves over the 18-month period for infants born weighing 1,000 grams or less. A corrected growth curve is offered for this subset of infants that is based on data collected from the population studied here.

Usage, Head, Cephalometry

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Pulmonary Hemorrhage

Article Abstract:

Most small newborn infants who develop pulmonary hemorrhage die, but survivors develop about as well as small newborns without bleeding in the lungs. Researchers compared 58 very-low-birthweight infants with pulmonary hemorrhage and 58 small newborns requiring ventilation for respiratory distress. About 6% of very-low-birthweight infants developed pulmonary hemorrhage, and half died. Surfactant therapy was required by 91% of infants with the condition and 69% of those not hemorrhaging. Surviving infants had similar rates of oxygen dependency, enterocolitis, leucomalacia, and subnormal neurodevelopmental scores as small infants who did not have pulmonary hemorrhage.

United States, Statistical Data Included, Abnormalities, Complications and side effects, Infants (Newborn), Newborn infants, Hemorrhage

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Catch-up growth during childhood among very low-birth-weight children

Article Abstract:

Very low-birth-weight (VLBW) infants may experience growth spurts that allow them to catch up in childhood to normal weight infants. Researchers studied 249 VLBW children for eight years and compared them to 363 normal birth weight (NBW) children. The height and weight of VLBW children increased to above the third percentile, with most catch-up growth taking place during infancy. Catch-up growth continued throughout the eight years of the study, so that VLBW children were at the 50th percentile for weight, height, and head circumference at age eight.

Children

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