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Biomedical subjects

F Anderson

Publications and source records attributed to F Anderson.

At least 55 records · Page 3Linked to original sources

Persisting vitamin D deficiency in the Asian adolescent.

A study of 221 children admitted to hospital in the course of a year allowed establishment of a reference range for plasma 25-hydroxyvitamin D. None of these children had evidence of biochemical rickets. Most Asian children, however, were vitamin D deficient in comparison, and this deficiency was most noticeable in girls aged 13 to 15 years: biochemical rickets occurred in six per cent of these adolescent Asians. If vitamin D requirements are not met during the physiological growth spurt, permanent pelvic deformity may result. Vitamin D deficiency persisting into pregnancy will adversely affect the infant, producing an increased risk of hypocalcaemic fits, dental enamel hypoplasia, infantile rickets, and reduced postnatal growth. Our data support the need for vitamin D supplementation, and we suggest that annual oral vitamin D supplements in the autumn would alleviate the problem.

Adolescent↗

Sexuality and neuromuscular disease: a pilot study.

40 individuals with neuromuscular diseases were interviewed: twenty individuals with early onset of symptoms and a relatively rapid rate of progression of disease and twenty subjects with a slower rate of progression of disease. The data suggested that early onset of neuromuscular disease, together with a rapid rate of progression of the disease, result in more constricted psychosocial and psychosexual development and in more severe limitations on sexual activity. For both groups, the degree of physical limitations per se on sexual activity was less critical than was the impact of the disease on the social and psychological functioning of the individuals.

Adult↗

Comparison of pivmecillinam and cephradine in bacteriuria in pregnancy and in acute urinary tract infection.

48 non-pregnant domiciliary patients referred by general practitioners and 50 pregnant women were treated for bacteriuria with either 500 mg cephradine or 400 mg pivmecillinam every 6 h for 7 days. In the pregnant women, cure rates were over 90% after 2 weeks for both compounds, and after 6 weeks were 86% for cephradine and 78% for pivmecillinam. Cure rates in the non-pregnant were 83% for cephradine and 95% for pivmecillinam at 6 weeks. Seven patients (3 given cephradine, 4 given pivmecillinam) stopped treatment due to side-effects. Overall, side-effects (many of which were trivial) were more common in patients treated with cephradine (51%) than in those receiving pivmecillinam (33%). It is concluded that both drugs are highly effective in these two common types of urinary infection.

Adult↗

The clinical picture and plasma levodopa metabolite profile of parkinsonian nonresponders. Treatment with levodopa and decarboxylase inhibitor.

Three parkinsonian patients who were nonresponders to levodopa treatment did not improve when shifted to levodopa-decarboxylase inhibitor combination but, instead, experienced involuntary movements. Their plasma levodopa and metabolite profiles showed unusually high baseline 3-0-methyldopa concentrations that further increased significantly during the decarboxylase inhibitor regimen. All patients had 3-0-methyldopa to levodopa ratios greater than 1, even two hours after therapy. Patients who are responders to levodopa-decarboxylase inhibitor combination or to levodopa alone had 3-0-methyldopa to levodopa ratios of less than 1. We discuss the role of 3-0-methyldopa as a metabolite and the significance of the 3-0-methyldopa to levodopa ratio as a predictor of patients' response to levodopa.

Adult↗