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Use of Artificial Sputum Medium to Test Antibiotic Efficacy Against Pseudomonas aeruginosa in Conditions More Relevant to the Cystic Fibrosis Lung
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Increasing frequency of Pseudomonas aeruginosa infections during tigecycline use

Aysegul Ulu-Kilic1, Emine Alp, Dilek Altun

  • 1Faculty of Medicine, Erciyes University, Kayseri, Turkey. draysegululu@yahoo.co.uk.

Journal of Infection in Developing Countries
|March 16, 2015
PubMed
Abstract

Insights

Tigecycline use was found to be a significant risk factor for developing Pseudomonas aeruginosa (PA) infections in intensive care unit (ICU) patients. This highlights the need for careful antibiotic stewardship, especially with critically ill patients.

Area of Science:

  • Infectious Diseases
  • Critical Care Medicine
  • Pharmacology

Background:

  • Widespread tigecycline use prompts investigation into rising Pseudomonas aeruginosa (PA) infections in intensive care units (ICUs).
  • This study addresses whether tigecycline treatment correlates with increased PA infection rates in ICU settings.

Purpose of the Study:

  • To evaluate tigecycline as a potential risk factor for PA infections among ICU patients.
  • To inform clinical practice regarding the rational use of tigecycline in critical care.

Main Methods:

  • A retrospective, observational study conducted at Erciyes University Hospital between 2008-2010.
  • Comparison of patients with PA infections (case group) against those with other nosocomial infections (control group) in adult ICUs.

Main Results:

  • Out of 1,167 patients, 23.8% developed PA infections.
  • Previous tigecycline use was significantly more frequent in the PA infection group (21.2% vs. controls, p < 0.01).
  • Multivariate analysis identified tigecycline use (OR 4.0), external ventricular shunt (OR 4.2), thoracic drainage catheter (OR 2.5), and tracheostomy (OR 1.6) as risk factors.

Conclusions:

  • Tigecycline use is a significant risk factor for PA infection in ICU patients.
  • Further research is needed to ascertain the safety of tigecycline, particularly in critically ill populations.
  • Rational antibiotic stewardship is crucial for tigecycline, an alternative for multidrug-resistant organisms.

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