October 6, 2021 at 2 PM Eastern/11 AM Pacific
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Doesn't matter what family "consents" to, if patient said no blood and is now asleep, no transfusion.
"Intraoperative cell salvage is a strategy to decrease the need for allogeneic blood transfusion. Traditionally, cell salvage has been avoided in the obstetric population because of the perceived risk of amniotic fluid embolism or induction of maternal alloimmunization. With advances in cell salvage technology, the risks of cell salvage in the obstetric population parallel those in the general population. Levels of fetal squamous cells in salvaged blood are comparable to those in maternal venous blood at the time of placental separation. No definite cases of amniotic fluid embolism have been reported and appear unlikely with modern equipment. Cell salvage is cost-effective in patients with predictably high rates of transfusion, such as parturients with abnormal placentation."
Cell Salvage in Obstetrics
Goucher, Haley MD; Wong, Cynthia A. MD; Patel, Samir K. MD; Toledo, Paloma MD, MPH
Anesthesia & Analgesia
Vol. 121 - Issue 2: p 465–468