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Biomedical subjects

J Uitentuis

Publications and source records attributed to J Uitentuis.

4 recordsLinked to original sources
PubMed1990

[Administration of vitamin K to neonates and infants].

The Committee on Infant Nutrition of the Dutch National Cross Association and the Education Bureau on Food and Nutrition, and the Dutch Paediatric Association recommend the administration of a single oral dose of 1 mg vitamin K1 at birth to all healthy infants in order to prevent haemorrhagic disease of the newborn (HDN). Parenteral administration of vitamin K1 at birth is recommended for newborn especially at risk. For infants who are wholly or largely breastfed a daily dose of 25 micrograms vitamin K1 orally is recommended for the first three months, to be increased to 50 micrograms per day in case of additional risk factors. Literature on causes of vitamin K deficiency, incidence of HDN and trends in prophylaxis is summarized and issues which require further clarification are indicated.

Bottle Feeding↗
PubMed1976

Hepatitis B surface antigen in environmental samples from hemodialysis units.

For assessment of environmental contamination with hepatitis B surface antigen (HBS Ag), the presence of blood and of HBS Ag was determined in samples from two completely separated hemodialysis units. Samples from mucosal and skin surfaces and samples of saliva from patients were also investigated. The surfaces of both units were divided into epidemiological categories to determine the distribution of environmental contamination with HBS Ag. HBS Ag was determined by radioimmunoassay. Oral samples from all patients seropositive for HBS Ag were psoitive for HBS Ag. The rectum and the skin were positive in three instances. The presence of blood did not coincide with HBS Ag. In the unit in which HBS Ag-positive patients were treated, 4.3% of the total samples were HBS Ag-positive. Of the samples that were free of blood, 1.5% were HBS Ag-positive, whereas 18.5% of the blood-contaminated samples contained the antigen. HBS Ag-positive samples were taken from surfaces in the immediate environment of HBS Ag-positive patients, as well as from surfaces with which patients had no direct physical contact. The data lead to the conclusion that spilled blood and hemodialysis equipment are not the only sources of contamination. This fact implies that HBS Ag-positive patient undergoing hemodialysis should be completely separated from HBS Ag-negative patients.

Cross Infection↗