Alternatives to homologous blood
Transfusion
(1) Autologous blood Transfusion:
Is: any bl. Component donated by intended
recipient.
Benefits: (low risk of):
Alloimmunlzation
GVHD
Infections dis.
transmission.
Febrile, hlytic,
allergic reaction.
Categories:
(1) autologus whole bl. Or KBcs.
* preoperative donation:
- before elective surgery (anticipated bl. loss)
- contraindication:
-
symptomatic angina, AS, Valvular HD.
-
recent seizures.
-
hematocrit ↓ 33%
* Intraoperative
hemodilution:
- in cardiopulmonary bypass procedure.
-
1 or 2 units of bl. Removed →
-
replaced by colloid or crystalloid
-
→ after surgery →
-
transf. of autol. b1ood& diuretics
-
(to ↓ plasma volume).
-
* post operative blood. salvage
-
Significant drainage form cavity as
-
chest cavity drainge ,,
-
collect blood during 24: 48 h postoerative →
-
Filteration →
-
reisfuse within 6h of
collection
-
(2) Autologous plts transfusion.
-
Preoperative Collection by hemapharis
-
→ frozen for future use
-
as anticipation of BM suppression during
chemotherapy.
-
(3) autologous FFP or csuopercipitate.
-
Very uncommon indication.
-
(4) autologus concenterated fibrinogn.
-
Separated from autologus plasma.
-
(2) Growth factors
-
Epo: ↑ RBs production& ↓ need RBs donation
-
GM- CSF or G – csf:
-
stimulate hematopoiesis
-
used with BMT&chemotherapy.
-
(3) blood substitutes
No comments:
Post a Comment