Inverse relationship between blood volume and blood pressure.
The outcome objectives for EG were met. In order for her blood pressure to improve, cardiac output had to improve. In her case, this could only be accomplished by reducing the vascular volume through aggressive ultrafiltration. Starling's Law and Laplace's Theorem provide the key to understanding this concept, namely that an increase or decrease in cardiac output will result in a corresponding increase or increase or decrease in mean arterial pressure (Smith & Kampine, 1990, p. 93). Thus, there is an inverse relationship between blood volume and blood pressure. In this case ultrafiltration treated the cause of hypotension. Discontinuing the ultrafiltration and/or giving a saline bolus would have been an incorrect attempt to treat the effects of hypotension.
Diroll
Anne
A
Hlebovy
Diana
D
D001794:Blood Pressure / Q000502:physiology*; D001810:Blood Volume / Q000502:physiology*; D005260:Female; D006760:Hospitalization; D006801:Humans; D007022:Hypotension / Q000150:complications / Q000503:physiopathology*; D007674:Kidney Diseases / Q000150:complications / Q000503:physiopathology*; D008875:Middle Aged; D006435:Renal Dialysis