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Biomedical subjects

A Brandberg

Publications and source records attributed to A Brandberg.

At least 55 records · Page 3Linked to original sources
PubMed1976

Inactivation of 5-fluorouracil by the liver during continuous regional and systemic infusion in pigs.

During continuous systemic or portal infusion of 5-fluorouracil (5-FU) to anaesthetized pigs, the cytostatic activity was reduced in blood traversing the liver. The liver eliminated between 15 and 50% of the amount 5-FU given per time unit. During jugular infusion the concentration of cytostatic compounds in portal blood was equal to or less than in systemic blood. The cytostatic activity was much higher in portal blood and lower in systemic blood during portal infusion. The findings speak in favour of portal infusions of 5-FU to patients with disseminated cancer in the liver.

Animals↗
PubMed1976

In vitro studies of antimicrobial effects of biological dressings. A comparison of the effect of human cadaver split skin grafts; irradiated and deep frozen porcine split skin; and fresh split skin from living humans and pigs.

The in-vitro antimicrobial effect of certain biological dressings was analysed. Glass basins lined with inverted human or pig skin treated and stored in various ways were inoculated with Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli. Glass basins served as controls. Human split skin from cadavers or living donors, deep frozen or preserved in Histocon and fresh-frozen pig had marked inhibitory activity. Heated skin and beta-irradiated pig skin did not have this effect. The antimicrobial effect was not observed during the first 2 hours of incubation but was present after 24 and 48 hours. It was not dependent on serum factors, It is concluded that when a biological dressings is used, advantage should be taken of its bactericidal activity, as infection is often a problem in sound dressing.

Animals↗
PubMed1975

Concentration of biologically active 5-fluorouracil in general circulation during continuous portal infusion in man: a preliminary report.

5-Fluorouracil (5-FU) was administered to 8 patients with malignant liver tumours either by regional portal or general intravenous infusion. During continuous portal infusion of 15 mg 5-FU/kg/24 h, systemic serum-concentrations were generally below 100 ng/ml and no side-effects were seen. Intravenous infusion of the same dose was accompanied by serum-concentrations above 100 ng/ml and bone-marrow depression. This preliminary study indicates that there are better prerequisites for high anti-toumour effect and low frequency of side-effects during portal infusion of 5-FU than during general intravenous administration to patients with liver tumours.

Fluorouracil↗
PubMed1975

Treatment of meningitis and septicemia in infancy with a sulphamethoxazole/trimethorpim combination.

Ten infants, 8 days to 10 months old, with meningitis and/or septicemia were considered therapeutic failures after conventional antibiotic treatment (i.e. kanamycin, ampicillin and sulfonamides) and given sulphamethoxazole and trimethoprim parenterally. Nine patients recovered, 8 of them rapidly, and one after prolonged treatment for 34 days when kanamycin was added to the combination. One infant improved but later died of complications not related to the treatment. High concentrations in serum and cerebrospinal fluid were achieved with a daily dose of 30-40 mg sulphamethoxazole and 6-8 mg trimethoprim per kg without signs of accumulation. No change in resistance of the bacteria isolated was seen. A hemolytic reaction, probably due to the propylene glycol in the solution, was seen in one case. Other possible side-effects in this age-group are discussed. The antibiotic combination used seems to be a good alternative in the therapy of bacterial meningitis of infants caused by gram-negative bacteria. However it should still not be given to icteric or very immature infants and probably not during the first week of life.

Ampicillin↗
PubMed1975

Effect of consecutive antibacterial therapy on bacteriuria in hospitalized geriatric patients.

The effects of treatment with a consecutive series of different antibacterial drugs, most of them commonly used in urinary tract infections, were studied in 36 hospitalized geriatric patients with bacteriuria. Most of the patients had advanced handicaps and all had urinary incontinence. Urinary acidifying drugs, penicillin V, sulfonamide, nitrofurantoin, nalidixic acid, and trimethoprim/sulfamethoxazole were used as antibacterial agents. The general conclusion was that even the administration of a series of potent antibacterial drugs only rather seldom eliminates bacteriuria in such patients, and that the original bacteria in most cases are replaced by strains highly resistant to antibacterial drugs. The treatment had obvious influence on the clinical state only in one patient.

Age Factors↗