Search Results

Colonic manometry

Colonic manometry is a test to measure how well the muscles and nerves in the colon (large intestine) work. These muscles squeeze rhythmically to push faeces (poo) through to the rectum and out of the body.

Skin preparation for the insertion of vascular access devices

This guideline details the best practice in preparing the patient's skin before undertaking the specified invasive procedures to minimise the risk of infection. 

This guideline no longer includes skin preparation for lumbar puncture. For information about skin preparation for lumbar punctures, see Intrathecal Cytotoxic Chemotherapy: administration via a lumbar puncture or Ommaya reservoir guideline.


Suction is used to clear retained or excessive lower respiratory tract secretions in patients who are unable to do so effectively themselves. This could be due to the presence of an artificial airway, such as an endotracheal or tracheostomy tube, or in patients who have a poor cough due to a variety of reasons such as excessive sedation or neurological involvement. 

Why we do research

Great Ormond Street Hospital (GOSH)’s mission is to provide world-class clinical care and training for the benefit of children in the UK and worldwide. This means that it is also our mission to pioneer new research and treatments for the children that we see at GOSH, particularly the very sick...

Anorectal manometry

Anorectal manometry is a test to measure how well the muscles and nerves in the rectum and anus in your child’s bottom are working. Your child needs this test so that the doctors can check how well the muscles and nerves are working to push out faeces (poo).