Inappropriate Utilization of Antibiotics in COPD Exacerbations

Area of Science:

• Pulmonary Medicine
• Infectious Disease
• Pharmacology

Background:

• Antibiotics are recommended for severe acute exacerbations of chronic obstructive pulmonary disease (AECOPD) or severe underlying COPD.
• Most exacerbations are mild to moderate, necessitating careful antibiotic prescription.

Purpose of the Study:

• To investigate patient factors associated with inappropriate antibiotic prescribing for AECOPD.
• To evaluate adherence to Global Initiative for Chronic Obstructive Lung Disease (GOLD) guidelines in AECOPD antibiotic prescriptions.

Main Methods:

• An observational, cross-sectional study of AECOPD patients prescribed antibiotics in an outpatient setting.
• Prescriptions were assessed for appropriateness based on GOLD COPD report criteria.
• Patient data included demographics, spirometry (FEV1%, FVC%), and smoking history.

Main Results:

• Of 138 patients, 36% received inappropriate antibiotic prescriptions for AECOPD.
• No significant differences in age, FEV1, FVC, or smoking pack-years were found between appropriate and inappropriate groups.
• Lower FVC% was statistically associated with appropriate antibiotic prescription (p=0.049).

Conclusions:

• While most physicians follow GOLD criteria for AECOPD antibiotic prescribing, some self-direct prescriptions.
• Further research using physician questionnaires is needed to understand reasons for non-adherence in mild AECOPD cases.
• Optimizing antibiotic use in AECOPD requires understanding physician prescribing behaviors.