Search PubMed⌕ Search

Biomedical subjects

F D Daschner

Publications and source records attributed to F D Daschner.

At least 127 records · Page 7Linked to original sources
PubMed1988

Concentrations of flucloxacillin in heart valves and subcutaneous and muscle tissues of patients undergoing open-heart surgery.

Thirty-seven patients were given a single, 2-g intravenous bolus injection of flucloxacillin prior to open-heart surgery. Within 12 h, flucloxacillin concentrations in serum and heart valves declined from 125.2 to 4.4 micrograms/ml and from 16.5 to 3.7 micrograms/g, respectively. Concentrations in subcutaneous tissue and muscle were almost identical, declining from 14.7 or 14.2 micrograms/g to undetectable levels after 8 to 10 h.

Cardiac Surgical Procedures↗
PubMed1987

[Effect of Pseudomonas immunoglobulin on the antibacterial activity of human phagocytes].

The in vitro influence of a pseudomonas immunoglobulin in active and inactivated serum on the bactericidal activity and phagocytosis of human polymorphonuclear leukocytes was evaluated against Pseudomonas aeruginosa. No lysis of the bacteria could be found in either serum, however, the bactericidal activity of the leukocytes was significantly enhanced in active serum (p less than or equal to 0.05), whereas no effect was measurable in inactivated serum. Phagocytosis could be increased in concentrations of 10% immunoglobulin, (equivalent to 5 mg IgG/ml); however, a concentration of 15% showed a lower phagocytosis index which was comparable to that in the 5% preparation. This immunoglobulin proved to be able to support the bacterial phagocytosis and killing of P. aeruginosa by human polymorphonuclear leukocytes in vitro.

Humans↗
PubMed1987

Pharmacokinetics of vancomycin in serum and tissue of patients undergoing open-heart surgery.

Penetration of vancomycin into serum, heart valves, subcutaneous tissue and muscle was determined in 33 adult patients undergoing open-heart surgery. Each patient received 15 mg/kg vancomycin as a 30-min intravenous infusion preoperatively. Within 6 h vancomycin plasma concentrations declined from 28.9 to 4.2 mg/l. Vancomycin concentrations decreased in subcutaneous tissue slowly and varied in muscle between 1.2 and 3.2 mg/kg, in subcutaneous tissue between 1.3 and 4.4 mg/kg and in heart valves between 2.3 and 4.2 mg/kg. Vancomycin concentrations in heart valves are high enough to inhibit most oxacillin-resistant Staphylococcus aureus, and coagulase-negative staphylococci causing postoperative wound infections and endocarditis.

Adipose Tissue↗
PubMed1987

Penetration of ceftazidime into heart valves and subcutaneous and muscle tissue of patients undergoing open-heart surgery.

Patients undergoing open-heart surgery were given an intravenous bolus injection of 2 g of ceftazidime as a single dose over a period of 5 min. Within 12 h, ceftazidime concentrations in serum declined from 55.8 to 3.9 mg/liter. Subcutaneous tissue concentrations of the drug decreased from 21.0 to 2.7 micrograms/g, and muscle concentrations decreased from 34.5 to 2.5 micrograms/g. Ceftazidime concentrations in cardiac valvular tissue were even higher than those in muscle or fat, declining from 37.4 to 6.3 micrograms/g within 10 h.

Adipose Tissue↗
PubMed1986

Effect of 5-fluorouracil, mitoxantrone, methotrexate, and vincristine on the antibacterial activity of ceftriaxone, ceftazidime, cefotiam, piperacillin, and netilmicin.

Using the checkerboard agar dilution technique, antibacterial activity and in vitro interactions of 4 antineoplastic agents and 5 antimicrobial drugs were examined against 56 strains of 7 bacterial species. 5-fluorouracil was found to inhibit all strains of Staphylococcus aureus and of Staphylococcus epidermidis at a concentration of 0.8 micrograms/ml or less. 84% of all gram-negative strains were inhibited synergistically when 5-fluorouracil was combined with beta-lactam antibiotics. Methotrexate and cefotiam were antagonistic in 42% of all combinations, especially when tested against Escherichia coli and Klebsiella pneumoniae.

Anti-Bacterial Agents↗