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Antimicrobial Agents and Chemotherapy, September 2001, p. 2643-2647, Vol. 45, No. 9
0066-4804/01/$04.00+0 DOI: 10.1128/AAC.45.9.2643-2647.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Stability and Compatibility of Ceftazidime
Administered by Continuous Infusion to Intensive Care
Patients
Hélène
Servais* and
Paul M.
Tulkens
Unité de Pharmacologie Cellulaire et
Moléculaire, Université catholique de Louvain, Brussels,
Belgium
Received 23 October 2000/Returned for modification 11 March
2001/Accepted 5 June 2001
The stability and compatibility of ceftazidime have been examined
in the context of its potential use in concentrated solutions for
continuous infusion in patients suffering from severe nosocomial pneumonia and receiving other intravenous medications by the same route. Ceftazidime stability in 4 to 12% solutions was found
satisfactory (<10% degradation) for 24 h if kept at a
temperature of 25°C (77°F) maximum. Studies mimicking the
simultaneous administration of ceftazidime and other drugs as done in
clinics showed physical incompatibilities with vancomycin, nicardipine,
midazolam, and propofol and a chemical incompatibility with
N-acetylcystein. Concentrated solutions (50 mg/ml) of
erythromycin or clarithromycin caused the appearance of a precipitate,
whereas gentamicin, tobramycin, amikacin, isepamicin, fluconazole,
ketamine, sufentanil, valproic acid, furosemide, uradipil, and a
standard amino acid solution were physically and chemically compatible.
*
Corresponding author. Mailing address: Unité de
Pharmacologie Cellulaire et Moléculaire, Université
catholique de Louvain, UCL 73.70 avenue E. Mounier 73, B-1200 Brussels,
Belgium. Phone: 32-2-764.73.56. Fax: 32-2-764.73.73. E-mail:
Helene.Servais{at}facm.ucl.ac.be.
Antimicrobial Agents and Chemotherapy, September 2001, p. 2643-2647, Vol. 45, No. 9
0066-4804/01/$04.00+0 DOI: 10.1128/AAC.45.9.2643-2647.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
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