ITC IRMA TruPoint Blood Analysis System - Manual (Página 141)

Corrección de la Temperatura del Paciente 7, 8, 9, 10
La temperatura del paciente puede introducirse en el analizador IRMA
TRUpoint si se desvía de 37°C. Los valores del pH y los gases sanguíneos
medidos se vuelven a calcular a la temperatura introducida (T) mediante las
siguientes ecuaciones:
referencIas
1. Oesch et. al., "Ion-Selective Electrodes for Clinical Use", Clinical
Chemistry, 1986, vol 32, no 8, p.1448.
2. Maas et. al., "Ion Selective Electrodes for Sodium and Potassium: A New
Problem of What is Measured and What Should be Reported", Clinical
Chemistry, Vol 31, no. 3, 1985 p. 482.
3. National Committee for Clinical Laboratory Standards (NCCLS): Vol. 14
No. 11, Section 5.5 (C12-A, 9/94), equations 6, 7, 9.
4. National Committee for Clinical Laboratory Standards (NCCLS): Vol. 14
No. 11, Section 5.9 (C12-A, 9/94), equation 15.
5. National Committee for Clinical Laboratory Standards (NCCLS): Vol. 14
No. 11, Section 5.8 (C12-A, 9/94), equation 14.
6. Burnett and NooNan, Clinical Chemistry, 20/12, 1499-1506 (1974).
7. National Committee for Clinical Laboratory Standards (NCCLS): Vol. 14
No. 11, Section 6.0 (C12-A, 9/94), equation 23.
8. National Committee for Clinical Laboratory Standards (NCCLS): Vol. 14
No. 11, Section 6.0 (C12-A, 9/94), equation 24.
9. National Committee for Clinical Laboratory Standards (NCCLS): Vol. 14
C.6
pH
(T)
= pH
(37°C)
- 0,0147(T-37) + 0,0065(7,40 - pH
(37°C)
)(T-37)
pCO
2(T)
= pCO
2(37°C)
x 10
(0,019{T-37})
Ecuación del pO
2
de Severinghaus:
pO
2Final
= pO
2
*10
› ∆Temp is T-37°
Ecuación del pO
2
de Kelman-Nunn:
pO
2Final
= pO
2
*10
[{0,0052 + 0,027(1-10^-0,13(100-O2Sat))} (
∆
Temp)]
› ∆Temp es T-37°
{[
5,49*10-11*pO23,88 + 0,071
]
( ∆ Temp)
}
_______________________
9,72*10-9*pO23,88 + 2,30