Pediatric PK/PD- Elimination Flashcards
1
Q
Major organ of elimination for drugs and metabolites
A
Kidneys
2
Q
Renal blood flow in infants vs. adults
A
5% of cardiac output at birth vs. 15% in adults
(Decreased in the beginning)
3
Q
GFR in kids
A
Doubles during the first 2 weeks of life, then reaches adult capacity by 1-2 years
(Decreased GFR in the beginning)
4
Q
Tubular secretion in kids
A
20% of adult capacity at birth, reaches adult values at 12 months
(Decreased in the beginning)
5
Q
Effects of elimination in kids on drug dosing: CL
A
Slower CL
6
Q
Effects of elimination in kids on drug dosing: half-life
A
Longer 1/2 life
7
Q
Effects of elimination in kids on drug dosing: in general
A
Less frequent dosing is required