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Old agent, new experience: colistin use in the paediatric Intensive Care Unit--a multicentre study
Muhammet Sukru Paksu1, Sule Paksu, Adil Karadag
1Ondokuz Mayis University, Faculty of Medicine, Pediatric Intensive Care Unit, Samsun, Turkey. sukrupaksu@yahoo.com
Abstract:
Nosocomial infections caused by multidrug-resistant (MDR) microorganisms are a common problem around the world, especially in Intensive Care Units. The aim of this study was to investigate the efficacy and safety of colistin therapy in paediatric patients with severe nosocomial infections caused by MDR Gram-negative bacteria. There were 87 episodes in 79 paediatric Intensive Care Unit patients in five different hospitals; each patient was treated intravenously with colistin and evaluated. Of the 79 patients, 54.4% were male and the median age was 30 months. The most commonly isolated microorganism was Acinetobacter baumannii, the most common isolation site was tracheal aspirate fluid and the most common type of infection was ventilator-associated pneumonia. The mean colistin dose in patients without renal failure was 5.4 ± 0.6 mg/kg/day, the mean therapy duration was 17.2 ± 8.4 days and the favourable outcome rate was 83.9%. Serious side effects were seen in four patient episodes (4.6%) during therapy; two patients suffered renal failure and the others had convulsive seizures. Other patients tolerated the drug well. The infection-related mortality rate was 11.5% and the probability of death within the first 9 days of treatment was 10 times higher than after the first 9 days. In conclusion, this study suggests that colistin is effective in the treatment of severe nosocomial infections caused by MDR Gram-negative bacteria and is generally well tolerated by patients, even after relatively long-term use.
Insights
Colistin effectively treats severe nosocomial infections in children caused by multidrug-resistant Gram-negative bacteria. This antibiotic demonstrated a high favorable outcome rate with generally good tolerability, even in long-term use.
Area of Science:
- Infectious Diseases
- Critical Care Medicine
- Pharmacology
Background:
- Nosocomial infections caused by multidrug-resistant (MDR) microorganisms pose a significant global health challenge, particularly in pediatric Intensive Care Units (ICUs).
- Effective therapeutic options for severe infections caused by MDR Gram-negative bacteria in critically ill children are limited.
Purpose of the Study:
- To evaluate the efficacy and safety of intravenous colistin therapy in pediatric patients diagnosed with severe nosocomial infections.
- To assess the outcomes of colistin treatment for infections caused by multidrug-resistant Gram-negative bacteria in a pediatric Intensive Care Unit (ICU) setting.
Main Methods:
- A retrospective study involving 79 pediatric ICU patients across five hospitals, encompassing 87 episodes of severe nosocomial infections.
- Patients received intravenous colistin; data on demographics, causative pathogens, infection types, treatment duration, dosage, and clinical outcomes were collected and analyzed.
- Key pathogens identified included Acinetobacter baumannii, with ventilator-associated pneumonia being the most common infection type.
Main Results:
- Colistin therapy resulted in a favorable outcome in 83.9% of the evaluated patient episodes.
- Serious adverse events were infrequent (4.6%), including renal failure and convulsive seizures in a small number of patients.
- The infection-related mortality rate was 11.5%, with a higher probability of death observed within the first 9 days of treatment.
Conclusions:
- Colistin is an effective treatment option for severe nosocomial infections caused by multidrug-resistant Gram-negative bacteria in pediatric patients.
- The drug is generally well-tolerated, even with relatively long treatment durations, suggesting a favorable safety profile in this population.
- Early initiation of colistin therapy may be crucial for improving survival rates in critically ill pediatric patients with MDR Gram-negative infections.
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