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- Title
Clinical results and pharmacokinetics of ceftazidime treatment in patients with cystic fibrosis.
- Authors
Strandvik, Birgitta; Malmborg, Anna-Stina; Alfredson, Hans; Ericsson, Annika
- Abstract
Ceftazidime (50 mg/kg/8 h) alone or combined with tobramycin (5 mg/kg/8 h) was given to 14 patients with cystic fibrosis. Ten courses were given with ceftazidime alone and 6 courses with a combined therapy. All patients were chronically colonized with Pseudomonas aeruginosa and were hospitalized because of lower respiratory tract infections. Using an agar-well diffusion technique, the concentration of ceftazidime was determined in serum and sputum.The mean (±s.e.m.) peak serum concentration of ceftazidime was 142 ± 16 mg/l during the second to third day of treatment and 114 ± 18 mg/l on the fifth to sixth day of treatment. In the combined therapy the corresponding values were 104 ± 20 mg/l and 74 ± 8 mg/l, respectively. The range of the mean half life was 1.2 to 1.4 h. The maximum concentration of ceftazidime in sputum was usually obtained 1 h after the infusion, ranging from 0.7 to 9.8 mg/l. All patients improved during treatment. Non-mucoid strains of Ps. aeruginosa were eradicated in nearly half of the courses, mucoid strains less often. No side reactions were noted.
- Publication
Journal of Antimicrobial Chemotherapy (JAC), 1983, Vol 12, Issue suppl_A, p283
- ISSN
0305-7453
- Publication type
Article