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  • siblings  (2)
  • 17-Hydroxypregnanolones  (1)
  • Androstandiol
  • Insulin secretion
  • 1990-1994  (3)
  • 1
    ISSN: 1432-0428
    Keywords: Height ; weight ; obesity ; siblings ; genetic factors ; bone age
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Normal growth and development, as well as the prevention of overweight, are major goals in the treatment of paediatric patients with insulin-dependent diabetes mellitus (IDDM). We therefore evaluated longitudinally the anthropometric measurements of height and weight, as well as bone age, in an unselected group of 389 patients with IDDM treated at one institution. In order to identify genetic influences on these parameters, height and weight were determined in 186 unaffected siblings and 177 pairs of parents. At diagnosis, patients were slightly taller than average (median z score: +0.37). During the subsequent course of diabetes, age-adjusted heights decreased progressively for the first 9 years, catching up again after more than 10 years of diabetes. Bone ages were progressively retarded with increasing duration of diabetes. In 76 patients of 18 years or older, median z-score for height was +0.30, not different from their unaffected siblings (median z-score: +0.22). The correlation with midparental height was identical for diabetic and nondiabetic siblings (r=0.43). In contrast, children with diabetes were significantly heavier (z-score for weight: +0.74 compared to +0.34 in unaffected siblings; p〈0.002). Obesity developed primarily during and after puberty. We conclude that: 1) during the course of diabetes, longitudinal growth is temporarily reduced and maturation is delayed in children with diabetes compared to unaffected siblings. However, this effect of diabetes is transient and small compared to genetic influences on height in an individual child. 2) As a group, children with IDDM become significantly overweight, which is likely to increase the cardiovascular risk during adulthood.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-0428
    Keywords: Key words Height ; weight ; obesity ; siblings ; genetic factors ; bone age.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Normal growth and development, as well as the prevention of overweight, are major goals in the treatment of paediatric patients with insulin-dependent diabetes mellitus (IDDM). We therefore evaluated longitudinally the anthropometric measurements of height and weight, as well as bone age, in an unselected group of 389 patients with IDDM treated at one institution. In order to identify genetic influences on these parameters, height and weight were determined in 186 unaffected siblings and 177 pairs of parents. At diagnosis, patients were slightly taller than average (median z score: + 0.37). During the subsequent course of diabetes, age-adjusted heights decreased progressively for the first 9 years, catching up again after more than 10 years of diabetes. Bone ages were progressively retarded with increasing duration of diabetes. In 76 patients of 18 years or older, median z-score for height was + 0.30, not different from their unaffected siblings (median z-score: + 0.22). The correlation with mid-parental height was identical for diabetic and non-diabetic siblings (r = 0.43). In contrast, children with diabetes were significantly heavier (z-score for weight: + 0.74 compared to + 0.34 in unaffected siblings; p 〈 0.002). Obesity developed primarily during and after puberty. We conclude that: 1) during the course of diabetes, longitudinal growth is temporarily reduced and maturation is delayed in children with diabetes compared to unaffected siblings. However, this effect of diabetes is transient and small compared to genetic influences on height in an individual child. 2) As a group, children with IDDM become significantly overweight, which is likely to increase the cardiovascular risk during adulthood [Diabetologia (1994) 37: 925–929].
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1076
    Keywords: Classical salt-wasting ; Classical simple virilizing ; Non Classical late onset forms ; Congenital adrenal hyperplasia due to 21-hydroxylase deficiency ; 17-Hydroxypregnanolones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To improve diagnostic criteria in different (classical salt-wasting (SW), classical simple virilizing (SV) and non classical late onset (LO)) forms of congential adrenal hyperplasia (CAH) due to steroid 21-hydroxylase deficiency, we investigated the urinary excretion of 17-hydroxypregnanolones (17OH-PO(5β) and (5α), 15β-hydroxypregnanolone(15βOH-PO), pregnanetriol(PT) and 11-oxo-pregnanetriol (11-O-PT) compared to hydrocortisone metabolities During the 1st month of life newborn infants with CAH-SW excreted from barely detectable to very large amounts of 17OH-PO(5β), 15βOH-PO and PT, and, in 12 of 14 cases, also 11-O-PT in their urines. From the 1st to the 28th day of life, cortisol metabolites were virtually absent in urines of CAH-SW infants. This was in contrast of 36 healthy newborn infants. We measured the excretion of 17OH-PO(5α) in children with CAH of whom 19 patients with CAH-SV had a median 17OH-PO(5α) excretion of 1110 μg/day (range: 152–5515). In 21patients with CAH-LO, median excretion of 17OH-PO(5α) was 294μg/day (range: 66–1273). Besides the conventional metabolites of 17-hydroxyprogesterone (17OH-PO(5β), PT and 11-O-PT),no 17OH-PO(5α) was detected in the urines of 14 patients with precocious pubarche, in 14 patients with virilization of unknown origin and in 94 healthy children of comparable age. The ratio of 17OH-PO(5α) to tetrahydrocortisone (THE) discriminated between CAH-SV and CAH-LO from the 1st to the 18th year of age. The determination of urinary 17OH-PO(5α) is an excellent diagnostic method in CAH-SV as well as CAH-LO.
    Type of Medium: Electronic Resource
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