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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Markou, Nikolaos Markantonis, Sophia L. Dimitrakis, Efthimios Panidis, Dimitris Boutzouka, Eleni Karatzas, Stylianos Rafailidis, Petros Apostolakos, Haralampos Baltopoulos, George |
| Description | Country affiliation: Greece Author Affiliation: Markou N ( Intensive Care Unit B, KAT Hospital, Athens, Greece.) |
| Abstract | BACKGROUND: The emergence of multidrug-resistant nosocomial pathogens, such as Pseudomonas aeruginosa and Acinetobacter baumannii, has led to the revival of the systemic use of antimicrobial agent colistin in critically ill patients, but only limited data are available to define its pharmacokinetic profile in these patients. OBJECTIVE: The aim of this study was to assess steady-state serum concentrations of colistin after i.v. administration of colistin methanesulfonate (CMS) in critically ill patients with stable kidney function. METHODS: This prospective, open-label, uncontrolled study was conducted at 2 intensive care units in the Athens Trauma Hospital, KAT, Athens, Greece. Adult patients were nonconsecutively enrolled if they were critically ill and had stable kidney function (<0.5 mg/dL change in serum creatinine prior to and until the day of sample collection) and had been receiving CMS as part of a treatment regimen for sepsis irrespective of site of infection with multidrug-resistant, gram-negative bacilli. After i.v. administration of 225-mg CMS (with the exception of 1 patient who received 150 mg) every 8 or 12 hours for at least 2 days, blood samples were collected just before and at 10 minutes and 1, 2, 4, 6, and 8 hours after i.v. infusion (duration, 30 minutes) of the colistin dose on the sampling day. RESULTS: Fourteen nonconsecutive patients were enrolled in the study (13 male, 1 female; mean [SD] age, 62.0 [19.2] years; mean [SD] estimated weight, 72.5 [8.5] kg; mean [SD] Acute Physiology And Chronic Health Evaluation II score on admission, 17.1 [6.0]). At steady state, mean (SD) colistin maximum and minimum concentrations were 2.93 (1.24) and 1.03 (0.44) mg/L, respectively, while mean (SD) apparent total body clearance, apparent volume of distribution, and t(1/2) were 13.6 (5.8) L/h, 139.9 (60.3) L, and 7.4 (1.7) hours, respectively. Colistin-related nephrotoxicity was not observed in the study patients. CONCLUSION: CMS dosage regimens administered to these critically ill adult patients were associated with suboptimal Cmax/MIC ratios for many strains of gram-negative bacilli currently reported as sensitive (MIC, < or = 2 microg/mL). |
| File Format | HTM / HTML |
| ISSN | 01492918 |
| Issue Number | 1 |
| Volume Number | 30 |
| e-ISSN | 1879114X |
| Journal | Clinical Therapeutics |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-01-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Pharmacology Acinetobacter Infections Drug Therapy Anti-bacterial Agents Blood Colistin Pseudomonas Infections Acinetobacter Baumannii Adolescent Adult Aged Aged, 80 And Over Therapeutic Use Critical Illness Drug Resistance, Multiple, Bacterial Female Humans Infusions, Intravenous Intensive Care Units Male Middle Aged Prospective Studies Sepsis Clinical Trial Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Pharmacology Pharmacology (medical) |
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