Search PubMed⌕ Search

Biomedical subjects

C G Brook

Publications and source records attributed to C G Brook.

At least 253 records · Page 14Linked to original sources

Experience with the use of an intranasal LHRH analogue for the induction of puberty.

7 patients aged 16-25 years with hypogonadotrophic hypogonadism have been treated with 100 micrograms of a synthetic gonadotrophin-releasing hormone intranasal spray (HOE 766) on alternate days. In 1 patient, after an encouraging initial response there was a rapid decline in gonadotrophin responsiveness. 3 patients failed to show biochemical or clinical effects of treatment. 3 cases showed continuing responsiveness of gonadotrophin sex steroid levels to treatment for periods between 8 and 11 months.

Administration, Intranasal↗

Oral rehydration in acute infantile diarrhoea with a glucose-polymer electrolyte solution.

Seven infants with mild acute diarrhoeal dehydration were rehydrated with an oral sugar-electrolyte solution containing a glucose polymer mixture. Six of them were rehydrated successfully. The high sodium content of the solution (90 mmol/l) was based on the WHO/UNICEF recommended glucose-electrolyte solution and was implicated as the cause of increases in serum sodium in 4 infants, one of whom developed serious hypernatraemia associated with glucose-positive stools. A solution with a lower sodium and glucose-polymer content may be of nutritional benefit in the oral rehydration of acute infantile diarrhoea.

Acute Disease↗

Eczema and atopy in early childhood: low IgA plasma cell counts in the jejunal mucosa.

Twenty-one children aged between 2 and 54 months, 14 with eczema and 7 with allergies in first-degree relatives, were referred for diagnostic jejunal mucosal biopsy for a variety of symptoms. A partial villous atrophy was found in 19 of the 21 biopsies obtained; the other 2 were normal. We report a highly significant (P less than 0.0001) lower IgA cell count in biopsies with partial villous atrophy compared with the results of our previous study of IgA and IgM plasma cells in the mucosal biopsies in children without eczema or a history of atopy matched for age and histological appearances. The IgM cell count was also lower.

Atrophy↗

Delayed puberty.

Delayed puberty is the cause of much distress to adolescents and with modern techniques it is possible to arrive at a therapy-orientated diagnosis in the majority of instances. A relatively wide choice of therapeutic interventions is now available and may be employed, even in endocrinologically normal patients, if the situation warrants. In such patients, ther duration of therapy is very short. In patients with pathological causes of delayed puberty, the aim must be to reproduce the normal pubertal changes over the normal span of time and large doses of sex steroids should not be used early in the induction of puberty.

Adolescent↗

Vasopressin concentrations in the neonatal period.

Vasopressin concentrations were measured in the cord blood of thirty infants, thirteen delivered vaginally and seventeen by Caesarean section. There was no correlation with maternal values but the concentration following vaginal delivery (13.5 microunits/ml +/- 7.9 SD) was significantly higher than that following Caesarean section (4.2 microunits/ml +/- 6.6 SD). Gestational age did not affect the concentrations, which fell during the first week of life and then rose gradually in term and pre-term infants. High levels were found in seven sick babies. There was no correlation in the first 3 weeks of life between plasma vasopressin and plasma or urine osmolality in well and sick babies.

Cesarean Section↗

Short stature.

Explore the source record for details and available documents.

Birth Weight↗

Gradual reintroduction of full-strength milk after acute gastroenteritis in children.

46 children (26 boys and 20 girls) admitted with mild acute gastroenteritis were randomly allocated to a regimen of continuing on full-strength milk, or to one of taking clear fluids until the diarrhoea settled before full-strength milk was reintroduced either immediately, or gradually in quarter-strength steps. There was no difference in length of hospital stay between the three groups.

Acute Disease↗

Influence of body fatness in childhood on fatness in adult life.

Comparison of skinfold thicknesses measured in childhood and again 15 years later in 318 male and 303 female subjects disclosed only a moderate relation between the two measurements. Where adult fatness could be predicted from combinations of skinfold thicknesses in childhood the accuracy in 95% of cases lay at the mean between +/- 8% and +/- 18% according to age and sex.

Adolescent↗

Experience with human growth hormone in Great Britain: the report of the MRC Working Party.

The Working Party on human growth hormone (hGH) has during the past decade developed a system for the evaluation and treatment of patients suffering from hGH lack. Today there are nineteen measurement centres in the United Kingdom at which patients are assessed and where the effects of therapy are monitored. The current supply of hGH, which is prepared from pituitary glands collected by pathologists in the National Health Service, is just enough to meet demand, but research conducted on behalf of the Working Party suggests that hGH deficiency is more common than has been thought and that the prevalence may be as high as one in 10 000. If, as is hoped, patients are diagnosed younger and more patients with partial deficiency are recognized, demand may soon outstrip supply. Work is in progress to define better methods of hGH production and optimal dose regimens, both of which will help to minimize the problem of supply and demand. A few children have anti-hGH antibodies, which block growth as a result of treatment. Improved hGH production techniques may result in a less antigenic product and the resolution of this problem. Many of the Working Party's activities began as research and have evolved into service. Because of this shift in emphasis, and although much research is still to be done, responsibility for provision of treatment with hGH transferred from the Medical Research Council to the Department of Health and Social Security in July 1977.

Adolescent↗

Induction of puberty: long-term treatment with high-dose LHRH.

Gonadotropin releasing hormone 500 mcg was administered twice daily to four patients (two male, two female) with hypogonadotrophic hypogonadism due to LHRH deficiency, for a minimum of 1 year. Despite initially encouraging biochemical responses and physical changes in all four patients, gonadotrophin responsiveness waned, sex steroid levels were not maintained and pubertal development has not occurred. This diminishing responsiveness appears to be a severe limitation on the use of LHRH as a therapeutic agent.

Adolescent↗

Family resemblances of height, weight, and body fatness.

In a study of 256 families, among whom were twins, midparent-adult son correlations for height, weight, and combined skinfold measurements were 0.67, 0.47, and 0.23 respectively. The corresponding midparent-adult daughter correlations were 0.63, 0.42, and 0.24. Midparent-growing offspring correlations were highest for height, less for weight, and insignificant for combined skinfold measurements. These data and the resemblances found between twins and siblings led us to conclude that there is a significant genetic contribution to the variation of height and weight, but that body fatness appears largely to be determined by environmental factors.

Adult↗