INTERPRETATIONS
How to use: a pH study
Paediatric Medical Unit, Southampton General Hospital, Southampton, UK
Correspondence to:
Dr R M Beattie, Paediatric Medical Unit, Southampton General Hospital, Tremona Road, Southampton SO16 6YD, UK; Mark.beattie@suht.swest.nhs.uk
| The first 150 words of the full text of this article appear below. |
The 24 h oesophageal pH study is considered to be the gold standard for quantifying acid reflux.1 In this review we provide an evidence-based discussion of the role of 24 h pH studies as part of the investigation of children with suspected gastro-oesophageal reflux disease (GORD), and provide a practical guide on when a pH study is indicated, how to perform pH studies and how to interpret the results.
BACKGROUND
Gastro-oesophageal reflux (GOR) is defined as the effortless regurgitation of gastric contents into the oesophagus. GORD is defined as GOR associated with sequelae (table 1) including faltering growth.2
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View this table: Table 1 Symptoms associated with gastro-oesophageal reflux disease
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Physiological reflux is common in both primary and secondary care settings, and usually improves with age.3 Improvement is due to a combination of factors including growth in the length of the oesophagus, a more upright posture, increased tone of the lower oesophageal sphincter, and a
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- pH-impedance studies have greater clinical utility than pH-monitoring alone.
- Michiel P. van Wijk, et al.
- Education and Practice Online, 13 Feb 2009 [Full text]
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