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Biomedical subjects

J Charlas

Publications and source records attributed to J Charlas.

At least 19 recordsLinked to original sources
PubMed1989

[Value of a phosphorus supplemented formula for premature infants].

The fortuitous discovery of bone mineralization abnormalities in premature babies fed a medium chain triglyceride supplemented formula and exhibiting satisfactory weight gains prompted us to perform calcium and phosphorus balance studies. The infants studied had no major neonatal disorders and were not vitamin D-deficient. Urine assays detected no phosphorus and demonstrated an increase in calcium excretion, suggesting an inadequate phosphorus intake. This hypothesis was confirmed by the appearance of urinary phosphates with a decrease in calcium losses following supplementation of the formula with phosphorus.

Bone Diseases, Developmental↗
PubMed1984

Human milk lacto-engineering. Growth nitrogen metabolism, and energy balance in preterm infants.

Fourteen 3-day metabolic balance studies were carried out in 8 healthy male preterm infants (birthweight 1 270 +/- 170 g, gestational age 30 +/- 2 weeks) fed 183 +/- 7 ml/kg/day of a human milk formula made of incompletely skimmed human milk enriched with lyophilized whole human milk, minerals, medium chain triglycerides and linoleate. Daily intakes per kilo bodyweight were for protein 3.5 +/- 0.3 g, fat 7.0 +/- 2.1 g, and energy 573 +/- 88 kJ (137 kcal). Weight gain was 29 +/- 5 g per day and nitrogen retention was 317 +/- 52 mg/kg/day. Fat absorption was 76 +/- 12%. Renal acid and solute loads were low and there was no metabolic acidosis, hyperazotemia or hyperaminoacidemia, except for tyrosine. It is concluded that preterm infants fed a human milk formula have similar growth rates and nitrogen retentions as foetuses in utero or preterm infants fed their own mother's milk.

Birth Weight↗
PubMed1984

[Outcome of 404 premature infants born before 32 weeks of gestation in 1978-1980].

The outcome of 404 prematures born before 32 weeks of gestation and admitted on the first day of life to the Institut de Puériculture (IP) in 1978-1980 was studied with respect to post-menstrual age and birth weight: 83 (20,5%) died during the hospitalization. Of the 321 still alive after the neonatal hospitalization, 71% were followed until at least 2 years of age; 3,1% died unexpectedly at home. There was a 8% handicap rate (9 with cerebral palsy and 9 with psychomotor deficiency) in the survivors. The problems of the children without handicap consisted mostly of strabismus and psychosocial disturbances. Thus, on admission to the IP on the first day of life during 1978-1980, according to gestational age (a) less than 28 weeks, (b) between 28 and 29 weeks 6 days (c) between 30 and 31 weeks 6 days, a premature presented the following risks: death during hospitalization: (a) 47%, (b) 20% and (c) 15%; death at home (b) 5%, (c) 1%; handicap (a) 3%, (b) 10%, (c) 5%; normal survival (a) 47%, (b) 63%, (c) 75%. This study shows the value of gestational age in estimating the outcome of prematures and the utility of analysing the results according to the 2 variables of gestational age and birth weight.

Persons with Disabilities↗
PubMed1976

Value of lymphoblast transformation test in cow's milk protein intestinal intolerance.

Lymphoblast transformation tests were carried out in the presence of alpha-lactalbumin and beta-lactoglobulin. In patients with cow's milk protein intestinal intolerance in seventeen of forty-five (37.8%) the lymphoblast transformation tests were positive. Sensitization in the first month of life seemed to favour lymphoblast transformation. In control children in only four of forty-three (9.5%) the lymphoblast transformation tests were positive, the difference from intolerant patients being significant 0.01 less than P less than 0.001. Lymphoblast transformation tests were negative in the seven children with active coeliac disease. Although a negative test does not exclude cow's milk protein intolerance, lymphoblast transformation tests can be considered a useful aid in diagnosis because of its specificity.

Allergens↗