Efficacy and safety of colistin in the treatment of infections caused by multidrug-resistant Pseudomonas aeruginosa in patients with hematologic malignancy: a matched pair analysis.

Duraković, Nadira and Radojčić, Vedran and Boban, Ana and Mrsić, Mirando and Sertić, Dubravka and Serventi-Seiwerth, Ranka and Nemet, Damir and Labar, Boris (2011) Efficacy and safety of colistin in the treatment of infections caused by multidrug-resistant Pseudomonas aeruginosa in patients with hematologic malignancy: a matched pair analysis. Internal Medicine (Tokyo, Japan), 50 (9). pp. 1009-13. ISSN 0918-2918

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Abstract

OBJECTIVE: A rise in infections with multidrug-resistant Pseudomonas aeruginosa (MDR-PA) is a significant contributor to increased morbidity and mortality of patients with hematologic malignancies. The aim of this study was to determine the efficacy and safety of colistin (colistimethate sodium) in the treatment of serious infections caused by MDR-PA in these patients. ----- PATIENTS AND METHODS: A matched pair analysis of renal function, toxicities, and outcome of 26 patients receiving colistin and control subjects was done. All patients had clinical signs of sepsis; P. aeruginosa was isolated from blood in 69% of patients in colistin group and 84% in control group. Patients treated with colistin received 3 million units every 8 hours for a median duration of 13 days. Additionally, patients received at least two additional antimicrobial or antifungal drugs. ----- RESULTS: Resolution of infection was achieved in twenty patients (76.9%) receiving colistin and in 17 (65.4%) control subjects. Mortality rate was 11% in both groups. There was no statistically significant difference in the level of serum creatinine, creatinine clearance, or potassium levels before and after treatment between groups. Only one patient receiving colistin developed de novo renal failure and one displayed transient neurologic toxicity. ----- CONCLUSION: Our results suggest that in patients with hematologic malignancies, colistin is effective in treating severe infections caused by MDR-PA while maintaining an acceptable toxicity profile. Prospective randomized studies comparing efficacy and safety of colistin with those of other antipseudomonal drugs are needed.

Item Type: Article
MeSH: Acute Kidney Injury/chemically induced ; Adolescent ; Adult ; Anti-Bacterial Agents/administration & dosage ; Anti-Bacterial Agents/adverse effects ; Anti-Bacterial Agents/therapeutic use ; Case-Control Studies ; Colistin/administration & dosage ; Colistin/adverse effects ; Colistin/therapeutic use ; Croatia ; Drug Resistance, Multiple, Bacterial ; Female ; Hematologic Neoplasms/complications ; Humans ; Male ; Matched-Pair Analysis ; Middle Aged ; Pseudomonas Infections/drug therapy ; Pseudomonas Infections/etiology ; Pseudomonas Infections/microbiology ; Pseudomonas aeruginosa/drug effects ; Retrospective Studies ; Treatment Outcome ; Young Adult
Departments: Katedra za internu medicinu
Depositing User: Marijan Šember
Status: Published
Creators:
CreatorsEmail
Duraković, NadiraUNSPECIFIED
Radojčić, VedranUNSPECIFIED
Boban, AnaUNSPECIFIED
Mrsić, MirandoUNSPECIFIED
Sertić, DubravkaUNSPECIFIED
Serventi-Seiwerth, RankaUNSPECIFIED
Nemet, DamirUNSPECIFIED
Labar, BorisUNSPECIFIED
Date: 2011
Date Deposited: 26 Oct 2011 08:49
Last Modified: 26 Oct 2011 08:51
Subjects: /
Related URLs:
URI: http://medlib.mef.hr/id/eprint/1364

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