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In conjuction with Oespophageal Manometry, a second part of the test is pH and impedance monitoring which is a procedure in which the pH (or level of acidity) is recorded for a prolonged period.

Why you might need it

The information from this test is helpful both to confirm the impression of reflux and to tailor therapy for the individual patient. The impedance measurement detects the direction of liquid flow so we can determine whether the acid sensed by the probe has come from the stomach or has been swallowed.

The pH and Impedance probe is very small (2mm in diameter) and you can go home with it in place and continue with your normal daily activities, returning the following day to have the probe removed, which takes only 5-10 minutes.

Who will do it?

Our patients are at the heart of what we do and we want you to be in control of your care. To us, that means you can choose the consultant you want to see, and when you want. They'll be with you every step of the way.

All of our consultants are of the highest calibre and benefit from working in our modern, well-equipped hospitals.

Our consultants have high standards to meet, often holding specialist NHS posts and delivering expertise in complex sub-speciality surgeries. Many of our consultants have international reputations for their research in their specialised field.

Before your treatment

You will have a formal consultation with a healthcare professional. During this time you will be able to explain your medical history, symptoms and raise any concerns that you might have.

We will also discuss with you whether any further diagnostic tests, such as scans or blood tests, are needed. Any additional costs will be discussed before further tests are carried out.

Preparing for your treatment

You should not eat for up to 6-12-hours before the test but you can drink water up until the start of the study.

As you will be going home with the pH probe in place wearing certain clothes will make your life easier when getting changed. Try to wear trousers / skirts and loose tops / t-shirts. Dresses and tunics should be avoided if possible.

You will be advised about which medications you should stop before the test.

The procedure

An acid-sensitive catheter is placed in the oesophagus and is attached to a small monitoring device that records changes in oesophageal pH over an extended period of time (up to 24 hours).

It provides information on the severity and pattern of reflux.

When the tube goes through your nose or mouth into your oesophagus, you may feel like coughing or gagging. The test may be easier if you try to take slow, deep breaths. You may not like the taste of the lubricant on the tube. After the test is over, your throat may feel a little irritable. However, this should improve within a few hours or so.

Aftercare

The results from your 24 hour ambulatory pH and impedance monitoring will be reported on by the consultant clinical scientist and forwarded to your referring consultant where your next steps can be discussed and organised.

Side effects

The procedure is not really painful because the nostril and throat is anesthetized, but it may feel slightly uncomfortable.

Once the tube is in place patients talk and breathe normally.

You may experience some temporary discomfort in your throat. Over the counter throat lozenges may give some relief.

Why choose Spire?

We are committed to delivering excellent individual care and customer service across our network of hospitals, clinics and specialist care centres around the UK. Our dedicated and highly trained team aim to achieve consistently excellent results. For us it's more than just treating patients, it's about looking after people.

How much does it cost?

A fixed price for this treatment may be available on enquiry and following an initial consultation.

You can trust Spire Nottingham Hospital to provide you with a single, fixed price (1) so there are no surprises. And, through our carefully chosen partner (2) you can even be considered for interest free finance.

We’re here to help you with making these important choices, so you’re then free to concentrate on your treatment and on getting back to being you.

(1) Important: Please read Spire’s terms and conditions for full details of what’s included and excluded in your fixed price* when paying for yourself.

(2) Zebra Finance Ltd trading as Zebra Health Finance , Lincoln House, Stephensons Way, Wyvern Business Park, Derby, DE21 6LY. 

Important to note

The treatment described on this page may be adapted to meet your individual needs, so it's important to follow your healthcare professional's advice and raise any questions that you may have with them.