Do we measure pleural fluid pH correctly?

Link to article at PubMed

Do we measure pleural fluid pH correctly?

Curr Opin Pulm Med. 2013 May 13;

Authors: Putnam B, Elahi A, Bowling MR

PURPOSE OF REVIEW: This review analyzes the current literature available on appropriate measurement of pleural fluid pH and currently used methods of measurement. RECENT FINDINGS: Current literature continues to support the superiority of blood gas analyzers (BGAs) in the accurate measurement of pleural fluid pH. Despite the compelling evidence, roughly 30-50% of the laboratories across the United States continue to use inaccurate methods for pleural fluid pH measurement. Nearly 40% of pulmonologists were incorrect in believing their laboratory uses BGA for the analysis of pleural fluid pH. SUMMARY: It is apparent that the clinical utility of pleural fluid pH is often undermined by its inappropriate measurement. Physicians must be made aware of their laboratory's method of measurement if pleural fluid pH is to be used in the evaluation of pleural diseases. If pleural fluid pH measurement is not done accurately, then other pleural fluid characteristics may be used to aid the clinician.

PMID: 23673451 [PubMed - as supplied by publisher]

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