Capsule endoscopy
What is a capsule endoscopy?
A capsule endoscopy is a minimally invasive method of examining the digestive system. It’s a breakthrough in the study of the digestive system due to its capacity to allow specialists to observe and diagnose injuries and conditions of the entire digestive tract, not only a part of it.
Unlike a gastrointestinal endoscopy (in which a flexible tube with a camera is inserted through the mouth), a capsule endoscopy does not cause discomfort or risk of injury. However, a gastrointestinal endoscopy provides the opportunity to take biopsies or perform some treatments during the examination. This is not possible with a capsule endoscopy.
What does it consist of?
Before taking an endoscopic capsule, patients are required to go through a fasting period. The length of this fasting period will be specified by a doctor.
A capsule endoscopy simply involves swallowing a small capsule with a micro-camera inside it. This camera transmits images of the digestive tract while it passes through it. The capsule will move through the body due to natural contractions in the digestive system and will eventually be expelled naturally through the anus one to two days later.
Why is an endoscopic capsule used?
The endoscopic capsule is used to diagnose or evaluate the following conditions:
- Chronic anaemia
- Gastrointestinal haemorrhage (bleeding)
- Crohn's disease
- Small intestine neoplasms
- Celiac disease
- A tumour
- Intestinal malabsorption
- Unexplained chronic abdominal pain
Preparation for the endoscopic capsule
Your specialist will likely recommend the following:
- Avoid medicines that contain iron for at least ten days before the test
- A low-fibre diet for at least three days before the test
- Maintain a liquid diet the day before
- Take a laxative solution 24 hours before the test to cleanse the intestine
- Do not eat 8 hours before the test
What does it feel like during the test?
The person taking the capsule won’t be able to feel it inside them. Instead, they will feel the same as they normally do.
What do abnormal results mean?
If the images from the capsule don’t identify any conditions or problems, the digestive system will very likely not have the condition in question. Sometimes, results show that the patient has Crohn's disease, intestinal bleeding, neoplasms, anaemia or other conditions.
Capsule endoscopy: during the procedure, image accuracy and risks
By Dr Waseem Ashraf
2021-02-25
Capsule endoscopy is a procedure that allows a gastroenterologist to see the gastrointestinal tract in a non-invasive way. You may wonder how such a small camera can provide such a thorough view but fortunately, Dr Waseem Ashraf, one of the earliest capsule endoscopy operators in the world, answers all there is to know regarding the capsule endoscopy exam. After reading, you'll feel much more prepared. See more
Capsule endoscopy: how long does it take to pass?
By Dr John Martin
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Capsule endoscopy is a technique that allows visualisation of the entire gastrointestinal tract to enable doctors to diagnose conditions such as coeliac disease and inflammation of the gut. Expert gastroenterologist Dr John Martin explains how the procedure works and how long the capsule takes to pass. See more
Video capsule endoscopy: special considerations
By Dr Amit Chattree
2021-02-23
Have you ever wondered how even the smallest and narrowest of areas in the intestine can be examined? In this article we found out how a video capsule endoscopy can be used to check the lining of the small intestine and whether problems can occur from this procedure. Leading gastroenterologist, Dr Amit Chattree, talked us through preparation using a patency capsule , potential risks and whether or not the capsule can get stuck inside of the bowel. See more
Capsule endoscopy: screening the bowel
By Professor Owen Epstein
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The wireless revolution has changed our lives in many ways: bowel screening tests included. Capsule endoscopies are an alternative method of conducted screening tests of the bowel (along with the rest of the digestive tract). These miniature technological marvels have many benefits and Professor Owen Epstein explains how these work and what they achieve. See more
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