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Biomedical subjects

P Ireland

Publications and source records attributed to P Ireland.

23 records · Page 2Linked to original sources
PubMed1984

Plasma glucose levels in the peri-operative period in children.

Peri-operative plasma glucose levels were studied in one hundred children under 5 years of age and under 20 kg. All underwent procedures of less than 30 minutes. Of 32 cases under the third percentile for weight, ten developed low plasma glucose during the pre-operative and/or postoperative phase. This occurred despite receiving 5% dextrose by mouth 4 hours before induction. Even in children of normal weight there was a low incidence of peri-operative hypoglycaemia. Routine intravenous glucose-containing fluids are thus recommended during the peri-operative period.

Anesthesia↗
PubMed1973

Effect of dietary calcium and age on jejunal calcium absorption in humans studied by intestinal perfusion.

Jejunal calcium absorption was measured from test solutions containing 1.0, 2.5, 5, and 10 mM calcium (as calcium gluconate). Absorption rates increased progressively as luminal calcium concentration was increased, although there was a tendency toward saturation of the absorptive process at the higher concentrations. Calcium absorption was higher in normal young adults than in normal subjects over age 60. In both groups a 300 mg calcium diet for 4-8 wk enhanced calcium absorption relative to absorption rates after 4-8 wk on a 2,000 mg calcium diet. This adaptation was more definite and dramatic in the young than in the old subjects. Indirect estimates suggest that adaptation to a low calcium diet and the higher absorption in young than old normal subjects are mediated by an increased V(max) rather than a decreased K(m).

Adult↗