ArticleHeliyon2023
Rotational thromboelastometry during Cesarean section as a predictive evaluation for the progression of persistent postpartum hemorrhage in parturients with placenta previa: A prospective observational study.
Article in Heliyon, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Background: The rotational thromboelastogram (ROTEM) has been used in the management of massive bleeding and transfusion strategy. This study investigated ROTEM parameters measured during Cesarean section as predictors for the progression of persistent postpartum hemorrhage (PPH) in parturients with placenta previa. Methods: This prospective observational study recruited 100 women scheduled for elective Cesarean section after being diagnosed with placenta previa. Recruited women were divided into two groups according to the amount of estimated blood loss: the PPH group (PPH > 1500 ml) vs. the non-PPH group. ROTEM with laboratory tests was performed three times, preoperative, intraoperative, and postoperative time, which were compared between the two groups. Results: The PPH and non-PPH groups included 57 and 41 women, respectively. The area under the receiver-operating characteristic curve of postoperative FIBTEM A5 to detect PPH was 0.76 (95% CI = 0.64 to 0.87; P < 0.001). When postoperative FIBTEM A5 was 9.5, the sensitivity and specificity were 0.74 (95% CI = 0.55 to 0.88) and 0.73 (95% CI = 0.57 to 0.86), respectively. When subgrouping the PPH group based on the postoperative FIBTEM A5 value of 9.5, intraoperative cEBL was similar between the two subgroups; however, postoperative RBC was transfused more in the subgroup with FIBTEM A5 < 9.5 than the subgroup with FIBTEM A5 ≥ 9.5 (7.4 ± 3.0 vs 5.1 ± 2.3 units, respectively; P = 0.003). Conclusion: Postoperative FIBTEM A5, with appropriate selection of the cut-off value, can be a biomarker for more prolonged PPH and massive transfusion following Cesarean section by placenta previa.
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