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?????PCPS???????????????????????

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Title: ?????PCPS???????????????????????


1
??????????? ??????????????
?????????? ????? ??? ??? ????
2
??
?????PCPS???????????????????????
?????????????????????????????
?????????????????????????????? ????????????
3
??
???????????????3?
ï½·???????? 1?(Q-CABG) ï½·???? 1?(AVR) ï½·????
1?(MVP) ï½·??(?)58ï½±9 ???2?1 ï½·??(cm)161ï½±10
??(kg)77ï½±9 BSA(cm2)1.82ï½±0.16
4
?? V/Q??
?FiO2??????????????????????????PaO2 ????
SVCIVC
ASAO
sccionvent
PaO2(data master)
reservr
lung
pump
???????
5
?? ??????
?FiO2???????????????10L/min??????????
????????PaO2???? ???????????????????????
SVCIVC
ASAO
sccionvent
Shunt OFF/ON
PaO2(data master)
reservr
lung
pump
??????(10L/min)
6
?? V/Q??
?V/Q??????????PaO2?????????????V/Q?1.0
?????????????? ?
FiO2 100
FiO2 80
PaO2(mmHg)
FiO2 70
FiO2 60
V/Q?
7
?? ??????1
FiO20.7?Flow4.2L/min?V10L/min
PaO2 261mmHg
????1.0 L/min
PaO2 282mmHg
8
?? ??????2
FiO20.8?Flow4.7L/min?V10L/min
PaO2 361mmHg
????0.9 L/min
PaO2 392mmHg
9
?? ??????3
FiO20.7?Flow4.8L/min?V11L/min
PaO2 255mmHg
????1.5 L/min
PaO2 283mmHg
10
?? ????????
?????
?????
?
(??????)
(??????)
??
P
P(O2??)
P1
??
??
P1
P2
Pg
??
P2
Pg
(DIC Technical Review,580,1999.????)
??????????????????(????????????????) ?????????????
???
11
?? ??????
Q?2?4L/min??????????????
FiO2 100
8 L/min
6 L/min
FiO2 80
4 L/min
3.2
??????
PaO2(mmHg)
FiO2 70
2 L/min
FiO2 60
2.1
V/Q?
????
(DIC Technical Review,580,1999.????)
V/Q???????PaO2??????
V?????????????????
12
?? ????????
4 L/min
??
8 L/min
O2
??
O2
O2
O2
O2
FiO2 100
???O2
FiO2 80
4 L/min
PaO2(mmHg)
FiO2 70
O2
4 L/min
O2
O2
FiO2 60
O2???
4 L/min
V/Q?
O2
2 L/min
????????????????????PaO2??
?PaO2???????????O2??????????
13
?? ???????????
4 L/min
??
4 L/min
O2
O2
O2
10 L/min
??
O2
O2
O2
???O2
3 L/min
7 L/min
PaO2???
4 L/min
??
10 L/min
??
O2
O2
O2
O2
O2
O2
???O2
??????????????????????????????????
14
?? ?????????
?????????V/Q??????????1.0????????????????
??V/Q??1.0??????? ????????????PaO2????????????????
?????? ??????????? ???????????????????PvO2?????P
aO2???????? ???????PaO2????????????????? ???????
???PvO2??????????????????????????
??????????????PaO2?????????????
??
300
230
PaO2(mmHg)
200
???????PaO2????????
100
time
15
?? PaO2???????
?PaO2?????????????????????PaO2?????? ?Q???????????
?????????????????????? ??????? ?????????????????
?????????????PaO2???? ??????????????
8 L/min
6 L/min
4
4 L/min
??????
??????
2 L/min
2
2
6
4
8
????
???
L/min
16
?? PaO2????????
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