Gastroscopy
Gastroscopy is the examination of the upper gastrointestinal (GI) tract using a thin, flexible tube with a camera attached (an endoscope). It’s used to diagnose problems with the digestive system, such as ulcers and tumours.
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What is a gastroscopy?
A gastroscopy, sometimes called an upper GI endoscopy, is a procedure used to examine the upper part of the digestive system. This includes the oesophagus (the gullet or food pipe), the stomach, and the duodenum (the first part of the small intestine).
The examination is done using a thin, flexible tube with a small camera on the end. This tube is gently passed through the mouth and down into the digestive tract, allowing doctors to see inside. Gastroscopy is considered the best diagnostic technique for finding the cause of bleeding from the upper gastrointestinal tract and is more accurate than X-rays or scans for detecting inflammation, ulcers, and tumours of the oesophagus, stomach, and duodenum.
A gastroscopy can help your gastroenterologist to find the cause of unexplained symptoms, such as:
long-term heartburn
persistent nausea and vomiting (being sick)
persistent tummy pain (abdominal pain)
problems swallowing (dysphagia)
chest pain that’s not caused by heart-related problems
narrowing of the oesophagus
unexplained weight loss
A gastroscopy can be used to identify different diseases and conditions, including:
gastro-oesophageal reflux disease (GORD/GERD)
stomach cancer
Barrett’s oesophagus
gastritis
Your gastroenterology consultant might use a gastroscopy to obtain a biopsy (small tissue sample), which will help them differentiate between benign (non-cancerous) and malignant (cancerous) tissues. During the procedure, your consultant can also pass narrow instruments through the endoscope to directly manage many problems. These treatments may involve stretching a narrowed area, removing polyps (usually non-cancerous growths), or treating bleeding.
Our world-class gastroenterology consultants carry out gastroscopy as a day case surgery in our state-of-the-art Digestive Health centre. They use the latest medical technology to ensure this is a minimally invasive procedure. You should be able to return home the same day, without overnight hospital admission. All Welbeck private endoscopy procedures are carried out in first-class, comfortable surroundings, with high-quality nursing care to suit your personal needs.
More information
At Welbeck, your gastroscopy will be carried out by a leading gastroenterologist, supported by a multidisciplinary staff. You’ll have a consultation with your gastroenterologist before the procedure. They’ll explain what it involves, how to prepare for it, and answer any questions you may have.
During gastroscopy:
your consultant may start by spraying your throat with a local anaesthetic, or by giving you a sedative to help you relax
you’ll be asked to lie on your side, and a thin, flexible tube (an endoscope) will be gently passed through your mouth and into the oesophagus, stomach, and duodenum
the endoscope will pump air into your stomach and duodenum, which will make them easier to see
you'll be able to breathe normally during the procedure
when the procedure is finished, the endoscope will be carefully removed
you’ll be able to recover from any sedative in a private, comfortable recovery room
Most patients don’t find the procedure to be too uncomfortable, and many will fall asleep during the test. A gastroscopy usually takes between 15 and 30 minutes, and our highly-trained nurses will monitor your vital signs and keep you as comfortable as possible during this time. The effect of any sedative usually wears off within 2 hours, and once you feel able, you can go home on the same day.
Some results from your gastroscopy will be available the same day, and your consultant will discuss these with you before you leave. The results of any biopsies may take a few days longer.
A gastroscopy is considered to be a safe procedure. Although complications can occur, they’re very rare when the procedure is performed by experienced gastroenterology specialists.
Possible complications include:
a sore throat or mild discomfort after the test
reactions to sedation, such as low blood pressure or breathing problems
bleeding after a biopsy or treatment (usually minor)
Very rarely, complications can include a tear in the lining of the gut or infection. Your consultant will give you information about possible signs of complications to look out for.
You can reduce your risk of complications by carefully following your consultant’s instructions about preparing for your procedure.
Before your gastroscopy, you’ll meet with your gastroenterologist for a consultation. During this appointment, they will:
explain how to prepare for the procedure
review any medications you take
discuss any medical conditions you have, such as heart or lung disease
Your consultant will give you specific instructions on preparation and fasting. It’s very important that you follow these instructions carefully.
Preparation may include:
not eating for 6 hours before the procedure
not drinking for 2 hours before the procedure
stopping certain medications, such as aspirin, ibuprofen, or other blood-thinning drugs
After your gastroscopy procedure at Welbeck, you'll be able to rest in a private, comfortable recovery area for around 1 to 2 hours, until most of the sedative has worn off.
After the procedure, you may:
have a mild sore throat
feel bloated
experience cramps
These symptoms will improve with time.
The sedative will affect your reflexes for the rest of the day. So, it's important that you arrange to have someone collect you and take you home after the procedure. You won’t be able to drive or operate machinery for 24 hours.
A self-funded gastroscopy at Welbeck costs £1,540.
Gastroscopy with colonoscopy costs £2,475.
Please contact our Digestive Health centre for more information.
At Welbeck, our gastroenterologists are experts in their field and are dedicated to providing world-class care to every patient.
With access to colleagues across other specialties, our consultants are also able to refer within the Welbeck ecosystem if required to ensure you receive the treatment you need as quickly as possible, all under one roof.
All appointments, testing, treatment, and follow-up appointments take place within our state-of-the-art facilities, enabling us to deliver accurate diagnostics and advanced treatments.
To book a gastroscopy, you must be referred by either your GP or a gastroenterologist following a consultation with them. Self-referrals are not accepted for this test.
If you would like to schedule a consultation with a Welbeck gastroenterologist, please get in touch to make an appointment. Your health is important to us, so we strive to offer same-day appointments whenever possible.
Our consultants are recognised by the major health insurance companies. If you have private health insurance, your treatment at Welbeck can begin once you have obtained authorisation. We also provide care to self-paying patients. Learn more about the different payment options at Welbeck.
Our specialists
Dr Ahmir AhmadConsultant Gastroenterologist
Dr Devinder BansiConsultant Gastroenterologist
Mr Tan ArulampalamConsultant Surgeon
Dr Lisa DasConsultant Gastroenterologist
Professor Naila ArebiConsultant Gastroenterologist & Endoscopist
Dr Simon AndersonConsultant Gastroenterologist
Dr James AlexanderConsultant Gastroenterologist & Honorary Senior Lecturer
Dr Ibrahim Al BakirConsultant Luminal Gastroenterologist
Dr Matthew BanksConsultant Gastroenterologist
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Frequently asked questions
If your consultant finds something abnormal during the procedure, a biopsy will be taken. Usually, the results will take a few days to come back, and your consultant will let you know when to expect the results and arrange a follow-up appointment.
If you had sedation during the procedure, you'll need someone to collect you and go home with you, as the effects of the sedative can remain for up to 24 hours.
Yes, it’s possible to have a gastroscopy without sedation, depending on what needs to be done during the procedure. A local anaesthetic spray can be used to numb the area. If you would like to have the procedure without sedation, you can talk to your consultant about this.
Talking is difficult during the procedure, but your consultant will explain how to communicate if you need help, such as using hand signals.