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495 results on '"GLEW, R. H."'

17. Calcium and vitamin D status of pregnant teenagers in Maiduguri, Nigeria

Author

Sanchez, P. A., Idrisa, A., Bobzom, D. N., Airede, A., Hollis, B. W., Liston, D. E., Jones, D. D., Dasgupta, A., and Glew, R. H.

Subjects
Adolescent, Pregnancy Trimester, Third, Radioimmunoassay, Nigeria, Pregnancy Trimester, First, Radioligand Assay, Pregnancy, Pregnancy Trimester, Second, Pregnancy in Adolescence, Humans, Prealbumin, Calcium, Female, Nutritional Physiological Phenomena, Vitamin D, Research Article
Abstract

This study investigates parameters related to calcium and bone metabolism by determining the concentrations of total calcium, 25-hydroxyvitamin D, 1,25-dihydroxyvitamin D, parathyroid hormone, and phosphorous in young pregnant women. The patient population was 30 pregnant Nigerian teenage women grouped by trimester (10 per group), 10 women immediately following delivery, and 21 healthy age-matched controls. On the basis of serum prealbumin levels, the general nutrition of the pregnant women was found to be significantly below that of the more privileged and better-educated nonpregnant controls. The mean total calcium concentration in sera of the third-trimester women was 8.83 mg/dL, which was significantly below that of the controls (9.77 mg/dL) and the first-trimester group (9.30 mg/dL). Despite the 10% to 15% decline in the serum level of total calcium during pregnancy, the parathyroid hormone level decreased markedly from 0.60 to 0.61 ng/mL in the first and second trimesters to 0.41 ng/mL in the third trimester. Serum vitamin D and 1,25-dihydroxyvitamin D levels in the second and third trimesters were within the normal range. These data indicate that toward the end of gestation, pregnant teenagers in northern Nigeria appear to become calcium deficient and do not exhibit the expected increase in serum parathyroid hormone levels normally seen in pregnant women.

Published
1997

18. Serum beta-carotene deficiency in HIV-infected children

Author

Omene, J. A., Easington, C. R., Glew, R. H., Prosper, M., and Ledlie, S.

Subjects
Acquired Immunodeficiency Syndrome, Vitamin A Deficiency, Black People, Nutritional Status, HIV Infections, Hispanic or Latino, beta Carotene, White People, Body Mass Index, Black or African American, Case-Control Studies, Child, Preschool, Humans, Vitamin E, Vitamin E Deficiency, Micronutrients, Child, Vitamin A, Research Article
Abstract

Representative levels of serum micronutrients specifically, beta-carotene and vitamins A and E, were studied in symptomatic human immunodeficiency virus (HIV)-infected children. The nutritional status of 23 symptomatic African-American and Hispanic HIV-infected children were compared with an appropriate control group comprised of 36 uninfected children matched for age and sex, using body mass index. Serum beta-carotene and vitamin A and E levels were randomly determined on 15 of the infected children. Beta-carotene concentration was 4.9-fold reduced in symptomatic HIV-infected children when compared with the control group. There was a 6.5-fold decrease in the serum level for children without acquired immunodeficiency syndrome (AIDS) and a 13-fold reduction in children with AIDS. No differences in the mean values for serum vitamins A and E were observed in the groups studied. Although the nutritional status of the symptomatic HIV-infected children was not different from that of the control population, their serum beta-carotene levels were profoundly deficient. This finding may have immunologic and clinical implications for children with rapidly progressing HIV disease.

Published
1996

48. Why renal cysts grow

Author

Gardner, K. D., primary, Glew, R. H., additional, Evan, A. P., additional, McAteer, J. A., additional, and Bernstein, J., additional

Published
1994
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