Pneumonia in elderly patients with chronic obstructive pulmonary disease
1Division of Clinical Epidemiology, Royal Victoria Hospital, Ross 4.29, 687 Pine Avenue West, Montreal, Quebec, Canada, H3A 1A1. pierre.ernst@mcgill.ca
Current Infectious Disease Reports
|May 31, 2008
Summary
Inhaled corticosteroids may increase the risk of pneumonia in patients with chronic obstructive pulmonary disease (COPD), particularly at high doses. This risk includes hospitalization and mortality, warranting a careful benefit-risk assessment.
Area of Science:
- Pulmonology
- Pharmacology
- Epidemiology
Background:
- Pneumonia is a significant concern in patients with chronic obstructive pulmonary disease (COPD).
- Inhaled corticosteroids (ICS) are commonly prescribed for COPD management.
- Previous studies, like the TORCH trial, suggested a potential link between ICS use and increased pneumonia risk.
Purpose of the Study:
- To investigate the association between inhaled corticosteroid use and pneumonia risk in COPD patients.
- To evaluate the impact of ICS dosage on pneumonia incidence and outcomes.
- To explore potential mechanisms and weigh the benefits against risks of ICS in COPD.
Main Methods:
- A large observational study utilizing a healthcare administrative database in Quebec.
- Analysis included hospitalizations and medication use data for patients over 65 years old.
- Focus on current ICS users compared to non-users or intermittent users.
Main Results:
- An excess of pneumonia hospitalizations was observed in current ICS users.
- Higher doses of ICS were associated with a greater excess risk of pneumonia.
- An increased risk of pneumonia-related death was also noted in ICS users.
Conclusions:
- Current use of inhaled corticosteroids, especially at high doses, is associated with an increased risk of pneumonia hospitalization and mortality in COPD patients.
- The findings necessitate a careful re-evaluation of the risk-benefit profile of ICS therapy in this population.
- Further research into the underlying mechanisms is warranted to optimize COPD management.
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