Limitations of Gravimetric Quantitative Blood Loss during Cesarean Delivery.

Robert L Thurer¹, Sahar Doctorvaladan², Brendan Carvalho³, Andrea T Jelks⁴

¹Medical Division, Gauss Surgical, Inc., Menlo Park, California.

²Department of Obstetrics and Gynecology, Santa Clara Valley Medical Center, San Jose, California.

³Division of Obstetric Anesthesia, Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, California.

⁴Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Santa Clara Valley Medical Center, San Jose, California.

PubMed PMC DOI PDF

Abstract

Objective This study examined the accuracy, sources of error, and limitations of gravimetric quantification of blood loss (QBL) during cesarean delivery. Study Design Blood loss determined by assays of the hemoglobin content on surgical sponges and in suction canisters was compared with QBL in 50 parturients. Results QBL was moderately correlated to the actual blood loss ( r = 0.564; p < 0.00…

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