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MSD Manual

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Hemofiltration and Hemoperfusion: Other Ways of Filtering the Blood

Hemofiltration and Hemoperfusion: Other Ways of Filtering the Blood

Occasionally, techniques other than dialysis are used to filter the blood.

Hemofiltration is often done as a continuous procedure in people who are seriously ill and in an intensive care unit. This procedure allows doctors to filter large amounts of blood.

Hemoperfusion is most often used in treating poisoning. The person's blood flows over a filter that contains charcoal or some other material that absorbs the poison.