New acid reflux test now available at Royal Stoke University Hospital
By Liana Snape 8th Apr 2026
A new service is being introduced at Royal Stoke University Hospital to diagnose acid reflux without needing to travel to other hospitals.
The Gastrointestinal (GI) Physiology team at University Hospitals of North Midlands NHS Trust (UHNM), has introduced the Bravo pH monitoring system, a catheter-free test that gives a more detailed picture of acid reflux over several days.
This will allow patients to be tested locally, whereas previously some patients had to travel to specialist centres such as Manchester or London to access this type of investigation.
Stephanie Evans, clinical scientist in GI physiology, said: "Traditionally, the gold standard test involves a catheter through the nose for 24 hours, which some patients can find uncomfortable and difficult to tolerate.
"It can also affect how they go about their normal day, which sometimes means we don't get a fully representative picture of their symptoms.
"The Bravo system gives us another option, it's catheter-free and allows patients to carry on with their usual daily activities much more comfortably, while we collect data over a longer period of up to four days. That gives us a more realistic and detailed understanding of what's happening."
The new procedure uses a small capsule placed in the oesophagus during a routine endoscopy to record acid levels over up to four days.
This will give clinicians a clearer picture of symptoms and whether further treatment, including surgery, may be needed.
UHNM explained that this is particularly helpful for patients who can't tolerate the traditional 24-hour catheter-based test.
Stephanie added: "For patients who couldn't tolerate the standard test before, this would often mean travelling to Manchester or London to have this type of monitoring. Now we can offer that test here at UHNM which makes a big difference.
"It's really beneficial for patients and helps us make clearer decisions about their care and treatment, particularly for those who are still experiencing symptoms but may not have shown anything on earlier tests.
"We've been working towards introducing this for a long time, so it's great to now have it available."
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