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Biomedical subjects

G Samuelson

Publications and source records attributed to G Samuelson.

At least 73 records · Page 4Linked to original sources
PubMed1980

Positive effect of a late introduced modified diet in an 8-year-old pku child.

A modified low phenylalanine diet was instituted in an 8-year-old PKU boy earlier untreated and mentally retarded. The boy was treated during a ten year observation period. A marked progress in mental capacity and in IQ scoring was seen. The difficulties in objective evaluation of the benefit of late introduced treatment with a diet low in phenylalanine is discussed.

Child↗
PubMed1979

Elimination of sulfamethazine residues from swine.

Tissue concentrations of sulfamethazine in swine fed the drug at the rate of 500 g/ton of ration (550 g/1,000 kg) for a 30-day period depleted to 0.1 ppm or less within 4 to 10 days after withdrawal of medicated feed. Depletion from the tissues and plasma of treated pigs showed a linear relationship with time when the concentrations were plotted on a semilogarithmic graph. Six untreated pigs that were placed on bedding in pens formerly occupied by the treated group developed tissue residues at or above 0.1 ppm sulfamethazine; the mean plasma concentration of sulfamethazine reached 2.8 ppm by day 15.

Adipose Tissue↗
PubMed1978

The incidence of diabetes mellitus in Swedish children 1970--1975.

We report a retrospective study of diabetic children, 0--14 years of age, from seven Swedish departments of paediatrics. There were 359 new cases in the years 1970--1975. Notification suggested that there was a mean yearly incidence of 19.6 cases per 100 000 with a year to year variation of 10.0--26.4 per 100 000. Consequently about 330 new cases of childhood diabetes would be expected in Sweden every year. Incidence varied considerably between different geographical areas. The age distribution was bimodal with a main peak at about 12 years and another peak at about 7 years. There was some evidence for clustering of new cases in January and the autumn. The mean prevalence of childhood diabetes in the seven districts was 1.3 per 1 000.

Adolescent↗
PubMed1976

Low molecular weight proteinuria and slight hyperlipoproteinemia in three mentally retarded brothers.

Mental retardation in combination with proteinuria and a slight hyperlipoproteinemia was found in three brothers. The increased urinary protein excretion was dominated by albumin and the low molecular weight proteins retinol-binding protein (RBP) and beta2-microglobulin, indicating the presence of proximal tubular dysfunction. However, there was no glucosuria, phosphaturia or amino aciduria and the renal concentrating and acidification capacities were normal. A kidney biopsy in one of the patients revealed morphologic evidence of glomerular damage but a normal tubular structure. A mild hyper-beta-lipoproteinemia was found in the patients but not in their healthy siblings. The cause of this syndrome, hitherto not described, is unknown.

Adolescent↗
PubMed1975

An epidemiological study of child health and nutrition in a northern Swedish county. VII. A comparative study of general and dental health, food habits and socio-economic conditions in 4-year-old children.

A study of the general and dental health and the food habits of randomly selected 4-year-old Swedish urban children was performed. The results were compared with the findings of an investigation carried out four years earlier in the same area. In comparison with the earlier study no significant differences were found in haemoglobin values, packed red cell volume, microsedimentation rate and anthropometric measurements. The food habits had altered. A reduction in the frequency of between-meal consumption, particularly of sweets and soft drinks, as well as a reduction of the frequency of meat, fish and egg consumption was found. The children had an increased sandwich and milk consumption. The caries frequency was markedly reduced, which might be explained by the decreased between-meal consumption and an increased consumption of fluoride tablets. The food habits and the caries situation were generally influenced by the parents' socio-economic conditions, especially their educational level.

Anthropometry↗