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This retrospective study aims to explore the correlation between prenatal anemia and blood transfusion-related parameters in this population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We retrieved the medical records of consecutive participants who were diagnosed with placenta previa and underwent cesarean section in our hospital. We compared the baseline demographics and clinical characteristics of patients with and without anemia. The correlation between prenatal anemia and obstetric blood transfusion-related parameters was evaluated using multivariate regression analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 749 patients were enrolled, with a mean prenatal hemoglobin level of 10.87\u2009\u00b1\u20091.37\u00a0g\/dL. Among them, 54.87% (391\/749) were diagnosed with anemia. The rate of obstetric blood transfusion was significantly higher in the anemia group (79.54%) compared to the normal group (44.41%). The median allogeneic red blood cell transfusion volume in the anemia group was 4.00 U (IQR 2.00\u20136.00), while in the normal group, it was 0.00 U (IQR 0.00\u20134.00). The prenatal hemoglobin levels had a non-linear relationship with intraoperative allogeneic blood transfusion rate, massive blood transfusion rate, red blood cell transfusion units, and fresh plasma transfusion volume in patients with placenta previa, with a threshold of 12\u00a0g\/dL.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Our findings suggest that prenatal anemia is associated with a higher rate of blood transfusion-related parameters in women with placenta previa when the hemoglobin level is\u2009&lt;\u200912\u00a0g\/dL. These results highlight the importance of promoting prenatal care in placenta previa patients with a high requirement for blood transfusion.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12884-024-06279-4","type":"journal-article","created":{"date-parts":[[2024,1,30]],"date-time":"2024-01-30T01:04:39Z","timestamp":1706576679000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Obstetric blood transfusion in placenta previa patients with prenatal anemia: a retrospective study"],"prefix":"10.1186","volume":"24","author":[{"given":"Baolian","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hong","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haiyan","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jia","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"He","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peijia","family":"Yu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xianghua","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenli","family":"Wang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,1,30]]},"reference":[{"issue":"3","key":"6279_CR1","doi-asserted-by":"publisher","first-page":"151","DOI":"10.1016\/0028-2243(93)90064-J","volume":"52","author":"SK Chattopadhyay","year":"1993","unstructured":"Chattopadhyay SK, Kharif H, Sherbeeni MM. 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