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Postpartum Hemorrhage and Predelivery Anemia are Risk Factors for Severe Postpartum Anemia after Cesarean Sections

February 1, 2017

Cesarean sections are one of the most common surgical operations. Postpartum anemia is a prevalent side-effect, and has been linked to postpartum depression, fatigue and other impaired cognitive functions.   In a recent study published by Transfusion, researchers analyzed data from over 70,000 women after cesarean sections performed between 2005 and 2013 to determine risk factors for postpartum anemia.  Overall, 7.3% of women developed severe postpartum anemia (hemoglobin [Hb]<8.0 g/dl). Risk factors for postpartum anemia included postpartum hemorrhage (adjusted odds ratio [aOR]=8.45; [95% CI, 7.8-9.16]) and predelivery anemia (Hb= 10-10.9 g/dL, aOR=5.38; [95%CI, 4.89-5.91]; and Hb<10 g/dL, aOR=30.6; [95% CI, 27.1-34.6]).  Since no guidelines currently exist for postpartum anemia, women who have a cesarean section with postpartum hemorrhage, predelivery anemia, or no predelivery hemoglobin level should be screened approximately one week after delivery.

Reference:

 

  1. Butwick AJ, Walsh EM, Kuzniewicz M, Li SX, Escobar GJ. Patterns and predictors of severe postpartum anemia after Cesarean section. Transfusion 2017;57: 36-44.
  2. Prabhu M, Bateman BT. Postpartum anemia: missed opportunities for prevention and recognition. Transfusion 2017;57: 3-5.

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