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There Was Something in the Air: A Case of Interstitial Lung Disease Associated With Continuous Positive Airway Pressure (CPAP) Foam Degradation and Inhalation Syndrome
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This study presents a case of interstitial lung disease in a patient whose CPAP device contained degrading polyurethane foam, a material recalled by Philips Respironics due to inhalation risks; symptoms resolved after the device was discontinued, suggesting a direct link between foam degradation byproduct inhalation and lung injury.
Polyurethane foam degradation in ventilatory support devices led to a recall by Philips Respironics after users developed respiratory symptoms and noted a sediment in the tubing system of such devices. Foam degradation releases end products that have an irritative effect on the airway. Although the incidence of neoplastic processes did not increase among users, studies for other conditions are scant. The following case presents the association between the use of one of these devices and a new diagnosis of interstitial lung disease, which resolved upon discontinuation of the device, in a patient with obstructive sleep apnea and chronic obstructive pulmonary disease.
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C59-09 From Clean to Compromised: Microplastic Exposure and Ozone-based Continuous Positive Airway Pressure Cleaning Associated With Diffuse Alveolar Hemorrhage and Interstitial Lung Disease
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Doctors describe a case of a man who developed serious lung damage—including bleeding in his lungs and scarring—after years of using a CPAP machine (a breathing device for sleep apnea) along with an ozone-based cleaning gadget called SoClean, both of which have been recalled by the FDA for safety concerns. The ozone and tiny plastic particles from breakdown of the machine's foam may have irritated and damaged his lungs over time. This single case doesn't prove these devices cause lung disease in everyone, but it's a warning sign that "cleaning" gadgets marketed as healthy add-ons can sometim
Microplastics, as a risk factor in the development of interstitial lung disease- a preliminary study
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In the first study to explore a link between microplastics and interstitial lung disease (a group of conditions causing lung scarring), researchers found microplastics in the lung fluid of 55% of suspected patients, with most of those cases involving the fibrotic form of the disease. The most common plastics found were polyamide, polyester, PVC, and polyurethane, suggesting that inhaled microplastics may be a risk factor for serious lung conditions.
Does the use of continuous positive airway pressure devices pose a risk of microplastic exposure to the upper airway? A pilot study
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Researchers tested whether CPAP sleep apnea machines expose users to more inhaled microplastics by analyzing nasal fluid from 42 patients, finding no significant difference in total microplastic counts between CPAP users and non-users — though higher microplastic levels were associated with elevated inflammatory markers in the upper airways.
Microplastics and airway inflammatory profile in obstructive sleep apnea
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Researchers analyzed nasal lavage samples from 42 obstructive sleep apnea (OSA) patients — half using CPAP therapy — and measured microplastic content and inflammation markers. CPAP users had higher MP levels in nasal lavage fluid, and MP presence correlated with airway inflammatory markers, suggesting CPAP therapy may increase microplastic exposure in the upper airways.
Microplastics and Nanoplastics Impair the Biophysical Function of Pulmonary Surfactant by Forming Heteroaggregates at the Alveolar–Capillary Interface
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Scientists found that micro and nanoplastics from common products like foam packaging, lunch boxes, and water bottles can impair the function of pulmonary surfactant, the crucial substance that keeps our lungs from collapsing. Polystyrene foam particles caused the most damage, both in lab tests and in mice, where they triggered lung inflammation. The nanoplastic fraction, though a small part of the total mass, appeared to drive most of the harm by forming clumps with the surfactant at the air-liquid surface in the lungs.
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