Hemodialysis product - is a number used to quantify hemodialysis

Hemodialysis

In medicine, hemodialysis is a method for removing waste products such as creatinine and urea, as well as free water from the blood when the kidneys are in renal failure. Hemodialysis is one of three renal replacement therapies .Hemodialysis can be an outpatient or inpatient therapy...

 and peritoneal dialysis

Peritoneal dialysis

Peritoneal dialysis is a treatment for patients with severe chronic kidney disease. The process uses the patient's peritoneum in the abdomen as a membrane across which fluids and dissolved substances are exchanged from the blood...

 treatment adequacy.

It was proposed by Scribner and Oreopoulous because of their perceived inadequacy of the Kt/V

Kt/V

In medicine, Kt/V is a number used to quantify hemodialysis and peritoneal dialysis treatment adequacy.*K - dialyzer clearance of urea*t - dialysis time*V - volume of distribution of urea, approximately equal to patient's total body water...

 measure of dialysis adequacy. It has not been widely adopted.

The HDP is defined by the following empirical formula

Empirical formula

In chemistry, the empirical formula of a chemical compound is the simplest positive integer ratio of atoms of each element present in a compound. An empirical formula makes no reference to isomerism, structure, or absolute number of atoms. The empirical formula is used as standard for most ionic...

:

HDP = t * f ²

Where:

• HDP - hemodialysis product
• t - dialysis time (hours/dialysis session)
• f - dialysis frequency (dialysis sessions/week)

The formula, like all empirical formulae, has no theoretical basis. The HDP has not seen widespread use.