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Updated: May 26, 2026

A Delayed Inoculation Model of Chronic Pseudomonas aeruginosa Wound Infection
Published on: February 20, 2020
[Chronic osteomyelitis due to Pseudomonas aeruginosa: treatment with elastomeric infusor in an outpatient setting]
G Carrega1, V Bartolacci, G Burastero
1S.C. Malattie Infettive e Ortopedia Settica, Italy.
Abstract:
Chronic bacterial osteomyelitis requires long-term antibiotic treatment (at least 6-8 weeks). After in-hospital management, patients are usually discharged and treated in outpatient settings. However, when the aetiology is represented by Gram-negative microorganisms, outpatient treatment could be difficult. Beta-lactam administration by means of an elastomeric infusor may represent an attractive approach. We report two cases of osteomyelitis due to Pseudomonas aeruginosa successfully treated with continuous ceftazidime administration via an elastomeric infusor in outpatient settings. In both cases the patients were free from clinical and laboratory signs of osteomyelitis at the end of treatment and after 12 months follow-up.
Insights
Continuous outpatient ceftazidime infusion via elastomeric pumps effectively treated chronic bacterial osteomyelitis caused by Pseudomonas aeruginosa. This approach offers a viable option for managing difficult Gram-negative bone infections in ambulatory settings.
Area of Science:
- Infectious Diseases
- Orthopedic Surgery
- Pharmacology
Background:
- Chronic bacterial osteomyelitis necessitates prolonged antibiotic therapy, often transitioning from inpatient to outpatient care.
- Managing Gram-negative bacterial infections, such as Pseudomonas aeruginosa, in osteomyelitis presents outpatient treatment challenges.
- Continuous beta-lactam administration via elastomeric infusors is a potential solution for outpatient management.
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