Drainage
What is drainage?
Drainage is an invasive medical procedure to insert a catheter to drain fluid out of a cavity.
What preparation is needed?
For specific drainage procedures, the radiologist may request certain blood tests before the procedure.
Should you suffer from significant allergies to local anaesthetic, iodine solutions, latex and/or
antibiotic ointments, or have ever had a bad reaction to a medical or dental procedure, please
inform us before the procedure.
Should you be using chronic anticoagulants or aspirin medication, you might be advised to stop the medication before the procedure.
Pre-medication
Depending on the site of drainage, the radiologist may prescribe a pre-medication to reduce anxiety and pain.
Consent
Before the examination, the radiographer and the performing radiologist will explain the procedure to you and answer any questions.
Before the examination, you will be asked to sign a consent form. Doing so indicates that you understand the risks and benefits and consent to proceed with the examination.
What to expect during the procedure
Under the guidance of the appropriate imaging modality, the region of interest is located.
The radiologist will clean the region of interest using an antiseptic solution.
The radiologist will inject a local anaesthetic to numb the area of interest. This will ensure that the procedure is as painless and comfortable as possible.
The radiologist and radiographer will prepare all necessary equipment used for the procedure in a sterile manner.
The radiologist will make an incision in the appropriate area.
The radiologist will now place the pigtail catheter.
The pigtail catheter is sutured, plastered and connected to a drainage bag.
What happens after the procedure?
Once the examination is completed, your referring doctor will monitor the drainage site.