Related Experiment Video
Updated: May 20, 2025

Generation of a Chronic Obstructive Pulmonary Disease Model in Mice by Repeated Ozone Exposure
Published on: August 25, 2017
Association Between a Recalled Positive Airway Pressure Device and Obstructive Lung Disease: A Province-Based Study
Tetyana Kendzerska1, Robert Talarico2, Marcus Povitz3
1Ottawa Hospital Research Institute, Ottawa, ON, Canada; ICES, Ottawa, Toronto, ON, Canada; Department of Medicine, University of Ottawa, Ottawa, ON, Canada; Faculty of Medicine, and School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON, Canada.
The Philips Respironics recall of positive airway pressure (PAP) devices did not significantly impact obstructive lung disease (OLD) development or progression in real-world data. Further investigation is needed for early COPD increases and late inpatient visit effects.
Area of Science:
- Respiratory Medicine
- Public Health
- Medical Device Safety
Background:
- Limited real-world data exists on the health consequences of the Philips Respironics positive airway pressure (PAP) device recall.
- Understanding the impact of recalled PAP devices on obstructive lung disease (OLD) is crucial for patient safety and healthcare management.
Purpose of the Study:
- To investigate the association between positive airway pressure (PAP) device manufacturer and the development and progression of obstructive lung disease (OLD).
- To assess the real-world health impacts of recalled PAP devices on incident asthma/COPD and healthcare utilization.
Main Methods:
- Retrospective longitudinal study using Ontario health administrative data (2012-2018).
- Included new adult PAP users with or without OLD, followed until death or March 2023.
- Used inverse probability weighting to compare outcomes between recalled and non-recalled PAP devices, calculating weighted cause-specific hazard ratios (csHR).
Main Results:
- Among 248,358 individuals, recalled devices were not significantly associated with incident asthma or COPD in those without pre-existing OLD.
- No significant differences in secondary outcomes (asthma/COPD visits) were observed in individuals with OLD.
- Exploratory analyses indicated a modest increase in COPD risk within two years and inpatient COPD visits 6-10 years post-PAP claim for recalled devices.
Conclusions:
- Recalled positive airway pressure (PAP) devices were not independently linked to obstructive lung disease (OLD) development or progression in this real-world study.
- Early increases in COPD incidence and later effects on inpatient visits associated with recalled devices warrant further investigation.
- Findings emphasize the need for ongoing monitoring of medical device recall impacts on chronic respiratory conditions.
Related Concept Videos
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Medical History
Chronic Obstructive Pulmonary Disease
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Chronic Obstructive Pulmonary Disease-I: Introduction
Factors Affecting Pulmonary Ventilation
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Other Pulmonary Disorders

