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Ultrafiltration can be thought of as a ‘mechanical diuretic’. It is a treatment that is recommended for patients who have considerable fluid retention despite maximum doses of standard diuretics. It is a portable machine incorporating a special filter which is connected to a tube (cannula) in the arm or neck.
Parenteral nutrition is known as PN or total parenteral nutrition (TPN). It is an alternative way of providing a patient with nutrition when the gut does not work or is inaccessible
Sometimes a medicine is prescribed in a way that is not covered by its UK product licence. This information explains what ‘unlicensed’ and ‘off label’ mean and why some medicines are used in this way.
Ureteric stents are inserted for many reasons but the commonest are blockage of the ureter (the tube draining urine from the kidney to the bladder) or as a prelude to lithotripsy (shockwave treatment) for a kidney stone.