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Acute respiratory failure due to gentamicin aerosolization
1Dept of Pneumology, L. Armanni Hospital, Azienda Ospedaliera Trentina, Arco di Trento, Italy.
Summary
A patient with bronchiectasis experienced severe airway narrowing after inhaling gentamicin. This adverse reaction highlights potential risks associated with inhaled gentamicin in specific patient populations.
Area of Science:
- Pulmonology
- Pharmacology
- Infectious Diseases
Background:
- Bronchiectasis is a chronic lung condition characterized by irreversible airway dilation.
- Chronic Pseudomonas aeruginosa infection is a common complication in bronchiectasis, leading to increased morbidity.
- Gentamicin is an aminoglycoside antibiotic used to treat bacterial infections, including those caused by Pseudomonas aeruginosa.
Observation:
- A patient with bronchiectasis and chronic Pseudomonas aeruginosa colonization received inhaled gentamicin for the first time.
- Immediately following inhalation, the patient experienced a paradoxical episode of near-fatal bronchoconstriction.
Findings:
- The bronchoconstriction event was temporally linked to the first administration of inhaled gentamicin solution.
- Potential causes for this adverse reaction include the gentamicin drug itself, the solution's physical characteristics, or added preservatives.
Implications:
- This case underscores the importance of careful monitoring during the initial administration of inhaled antibiotics in patients with underlying lung disease.
- Further investigation is warranted to determine the specific causative agent (drug, vehicle, or preservative) responsible for this severe adverse reaction.
- Clinicians should consider the potential for paradoxical bronchoconstriction when prescribing inhaled gentamicin to patients with bronchiectasis and chronic airway infections.