Hemodialysis: Removing Waste and Excess Fluids
Hemodialysis is the most commonly used method for dialysis treatment. It involves the use of a hemodialyzer machine, also known as an artificial kidney, to filter the patient’s blood and eliminate waste, excess fluids, and chemicals from the body. To facilitate this process, a doctor will perform a minor surgical procedure to create access to the individual’s blood vessels using one of three methods.
The preferred technique is an arteriovenous (AV) fistula, which involves connecting an artery to a vein. This allows for improved blood flow and easier access during dialysis sessions. Alternatively, an AV graft, which is a looped tube, can be used as a substitute for the fistula. The third option is a vascular access catheter, which is inserted into a large vein in the neck. These access methods are designed for long-term use in hemodialysis treatment.
Length of Hemodialysis Treatments
The duration and frequency of hemodialysis treatments are determined by doctors based on the patient’s body size, overall health, and the amount of waste that needs to be eliminated. In most cases, patients typically undergo hemodialysis three times a week, with each session lasting between three to five hours. Alternatively, high-flux dialysis can be considered, as it allows for shorter treatment times. These treatments are commonly administered in hospitals, dialysis units, or doctor’s offices. However, for patients requiring long-term treatment, the option to receive dialysis at home may be available.