Laura S. Hillman

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Ten women were followed serially to determine the effect of stages of reproduction on calcium and bone metabolism. The study periods were nonpregnant nonlactating, the end of each trimester of gestation, 3 mo lactation, and postweaning. Comparisons were with nonpregnant nonlactating status for each individual. Fractional calcium absorption (P < 0.0001) and(More)
The purpose of this study was to evaluate mechanisms of mineral homeostasis and mineralization in term infants with recommended vitamin D intakes. Infants fed human milk (nine), cow milk-based formula (11), or soy-based formula (11) were studied at 2 weeks and at 2, 4, 6, 9, and 12 months of age. While receiving 400 IU of vitamin D, all infants maintained(More)
OBJECTIVE To identify mechanisms of the osteopenia associated with juvenile rheumatoid arthritis (JRA) by determining parameters of bone mineralization, and bone mineral content and density (BMC and BMD), in children with JRA. METHODS BMC and BMD were measured by dual x-ray absorptiometry in 41 children with JRA and 62 healthy children. Serum samples were(More)
Previous studies have shown that inhaled corticosteroids can affect bone metabolism in adults. A study to assess the effect of inhaled beclomethasone, 300 to 800 micrograms/day for at least 6 months (mean 25 months), was therefore undertaken in children. In part 1 of the study, 18 children with asthma, aged 4 to 17 years (mean 10.1 years), were compared(More)
Infants dying of sudden infant death syndrome (SIDS) constitute the single largest component of postneonatal infant mortality. Many different scientific approaches and hypotheses have been pursued in research studies over the past two decades. The field of epidemiology provides a comprehensive view of risk factors for SIDS with which theories of underlying(More)
OBJECTIVE To determine (1) bone mineral density (BMD) of the axial and appendicular skeleton in men with moderate and severe ankylosing spondylitis (AS), and (2) associations between BMD and bone metabolism variables. METHODS Nineteen men with AS and 19 healthy male controls were evaluated for osteoporosis by dual energy x-ray absorptiometry in both the(More)
OBJECTIVE To examine bone mineralization and bone mineral content in a cross-sectional population of children with juvenile rheumatoid arthritis (JRA). METHODS Bone mineral content was measured by single-photon absorptiometry in 44 children with JRA and 37 control children. Serum concentrations of minerals, vitamin D, parathyroid hormone, osteocalcin,(More)
Osteopenia has emerged as a major determinant of the outcome of children with juvenile rheumatoid arthritis. Although vertebral compression fractures and fractures of long bones were recognized historically as important clinical developments in the course of disease, a decrease in skeletal mass could only be quantitated and documented early in disease by(More)