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KMID : 0381219920240030317
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Journal of RIMSK
1992 Volume.24 No. 3 p.317 ~ p.323
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Clinical Analysis of the Serum Calcium, Phosphorus, and Magnesium in Neonates and Infants under 18 Months of Age
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Abstract
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We performed a clinical study of the effects of sex, age and diet on serum calcium, phosphorus, and magnesium levels in 181 infants under `18 months of age, who had been admitted to the department of pediatrics, Chung Ang University Hospital,
from
Dec.
1991to Mar. 1992. We compared serum calcium, phosphorus, and magnesium levels in 30 cases of fullterm neonates with those in 100 cases of premature neonates, who had been admitted to the nursery of our hospital, from Jan. 1990 to Mar. 1992.
@ES The results were as follows:
@EN 1) Serum calcium, phosphorus, and magnesium levels was 9.45±1.03(mg/dl), 5.59±1.07(mg/dl), and 2.10±0.29(mEq/l) in male infants and 9.36±0.59(mg/dl), 5.36±1.02(mg/dl), and 1.98±0.26(mEq/1) in female infants. No differences were observed
between male and female infants for any of the serum mineral levels(Table 1).
2) Serum calcium levels were 9.80±0.60(mg/dl) in normal fullterm neonates and 8.98±1.12(mg/dl) in premature neonates. Serum phosphorus levels were 5.97±1.40(mg/dl) in fullterm neonates and 6.22±1.41(mg/dl) in premature neonates. Serum
magnesium
levels were 1.92±0.24(mEq/l) in normal fullterm neonates and 1.96±0.26(mEq/l) in premature neonates. There was a significant increase in serum calcium levels wit increasing gestational age(P value<0.01, Table 3), and serum calcium levels of
normal
fullterm neonates were significantly higher than those of premature neonates(p value<0.01, table 4).
3) Serum calcium, phosphorus, and magnesium levels were 9.42±0.65(mg/dl,), 5.94±1.15(mg/dl), and 2.01±0.30(mEq/l) in infants under 6months of age, 9.38±0.53(mg/dl), 5.20±0.88(mg/dl), and 2.01±0.26(mEq/l) in infants between 7 and 12 months
of
age,
and 9.25±0.58(mg/dl), 5.09±0.74(mg/dl), and 1.99±0.29(mEq/l) in infants between 13 and 18 months of age. There was a significant decreased in serum phosphorus levels with increasing age (P value<0.01). though no statstically significant
differences
were observed in serum calcium levels, there was a trend toward lower serum calcium levels with increasing age(Table 5).
4) Serum calcium, phosphorus, and magnesium levels were 9.42±0.64(mg/dl), 5.81±0.82(mg/dl), and 1.96±0.19(mEq/1) in breast-fed infnats and 9.42±0.95(mg/dl), 5.50±1.08(mg/dl), and 2.01±0.29(mEq/l) in formaula-fed infants. No statistically
significant differences were observed in serum mineral levels between the two feeding method(Table 6 ).
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KEYWORD
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