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3 types of vascular access ports used in hemodialysis. Hemodialysis refers to a method for cleaning the blood. Dialysis functions to removemetabloic waste products such as potassium, urea from the blood during renal failure. Additionally, dialysis may be used to remove other chemical toxins from the bloodstream in cases of overdose. In the case of renal failure, patients may undergo dialysis treatments three times a week for 3 to 4 hours. Hemodialysis requires a vascular access site. This is an arterial and venous site on your body from which your blood is removed and returned after it is filtered by the dialysis machine.
What other things should I know about my Port-a-Cath? â¢ It will stay in place as long as you need it. â¢ It will not affect medical tests like CT scans, x-rays or MRIs. If you need one of these tests, you can still have it. â¢ Your Port-a-Cath will need to be flushed at least once a month with an appropriate solution (for example, normal saline and heparin). Your doctor or nurse will let you know where you can go to have your port flushed, or if home care has been arranged.