Intended for healthcare professionals

Rapid response to:

Clinical Review

The changing epidemiology of lung cancer with a focus on screening

BMJ 2009; 339 doi: https://doi.org/10.1136/bmj.b3053 (Published 17 August 2009) Cite this as: BMJ 2009;339:b3053

Rapid Response:

Alveolar pH: might it be elevated in patients with early lung cancer

If, as I have suggested, the tissue pH rises in premalignant tissues
might an elevation in alveolar pH, measured either directly or inidrectly,
be an aid to screening and prevention? The test would be very easy to do.

1. Direct vs indirect measurements of alveolar tissue pH. Richard G
Fiddian-Green Chest Online, 4 Jul 2004 eLetter re: Giovanna E. Carpagnano,
Peter J. Barnes, Jackie Francis, Nicola Wilson, Andrew Bush, and Sergei A.
Kharitonov Breath Condensate pH in Children With Cystic Fibrosis and
Asthma: A New Noninvasive Marker of Airway Inflammation? Chest 2004; 125:
2005-2010

Competing interests:
None declared

Competing interests: No competing interests

25 August 2009
Richard G Fiddian-Green
FRCS, FACS
None