The effect of expiratory flow limitation on supine persistent hyperinflation in COPD: a prospective observational study
Meera Srinivasan, Hannah Pollard, David G. Chapman, Katrina Tonga, Kieran Patel, Kaj Blokland, David Touma, Cindy Thamrin, Troy Cross, Kim Prisk, Gregory G. King · 2024
Read The effect of expiratory flow limitation on supine persistent hyperinflation in COPD: a prospective observational study by Meera Srinivasan, Hannah Pollard, David G. Chapman, Katrina Tonga, Kieran Patel, Kaj Blokland, David Touma, Cindy Thamrin, Troy Cross, Kim Prisk, Gregory G. King (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11587055.txt.
Description
Meera Srinivasan and co-authors study why lying flat can leave the lungs overfilled in people with chronic lung disease, in work from twenty twenty-four. In this disease, called COPD, airways narrow and trap air. Lying down may worsen that trap and disturb sleep or ease of breath.
The team tested forty-two patients and fourteen healthy controls while seated and lying flat, using sound wave lung measures. Healthy controls gained breathing room when flat, but patients did not. In patients, stiffer lungs and stronger air flow limits while breathing out linked to the flat overfill. Age and low body weight also played a part. The authors tie the effect to airway closure as lung mass shifts with gravity.
Catalog record
| CREATOR | Meera Srinivasan, Hannah Pollard, David G. Chapman, Katrina Tonga, Kieran Patel, Kaj Blokland, David Touma, Cindy Thamrin, Troy Cross, Kim Prisk, Gregory G. King |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 32 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |