Reflux patterns in patients with short‐segment Barrett’s oesophagus: a study using impedance‐pH monitoring off and on proton pump inhibitor therapy

Background  In short‐segment Barrett’s oesophagus (SSBO) heartburn may be absent and oesophageal acid exposure time (OAET) assessed with pH‐only monitoring may be normal. By detecting reflux episodes independently of their acidity, multichannel intraluminal impedance‐pH (MII‐pH) monitoring allows a comprehensive characterization of reflux events, either off or on proton pump inhibitor (PPI) therapy.

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