King, A. L.; Anggiansah, A.; Wong, T.; Anggiansah, R.
April 2004
Gut;Apr2004 Supplement 3, Vol. 53, pA25
Academic Journal
The acid perfusion test (APT) has been used to investigate the reproduction of gastro-oesophageal reflux symptoms, but has never been fully validated. For patients undergoing 24 h oesophageal pH monitoring, the symptom index (SI), symptom sensitivity index (SSI) and symptom association probability (SAP) define the association between reflux episodes and symptom perception. The SAP is the only method that controls for chance association. The aim of the present study was to validate the APT by comparing SI, SSI and SAP in APT+ve vs. APT-ve patients.


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