{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,4,26]],"date-time":"2025-04-26T20:04:20Z","timestamp":1745697860927},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2022,10,17]],"date-time":"2022-10-17T00:00:00Z","timestamp":1665964800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2022,10,17]],"date-time":"2022-10-17T00:00:00Z","timestamp":1665964800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Med Imaging"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Background<\/jats:title>\n                <jats:p>This study aimed to investigate the predictive values of magnetic resonance imaging (MRI) myometrial thickness grading and dark intraplacental band (DIB) volumetry for blood loss in patients with placenta accreta spectrum (PAS).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Images and clinical data were acquired from patients who underwent placenta MRI examinations and were diagnosed with PAS from March 2015 to January 2021. Two radiologists jointly diagnosed, processed, and analysed the MR images of each patient. The analysis included MRI-based determination of placental attachment, as well as myometrial thickness grading and DIB volumetry. The patients included in the study were divided into three groups according to the estimated blood loss volume: in the general blood loss (GBL) group, the estimated blood loss volume was\u2009&lt;\u20091000\u00a0ml; in the massive blood loss (MBL) group, the estimated blood loss volume was\u2009\u2265\u20091000\u00a0ml and\u2009&lt;\u20092000\u00a0ml; and in the extremely massive blood loss (ex-MBL) group, the estimated blood loss volume was\u2009\u2265\u20092000\u00a0ml. The categorical, normally distributed, and non-normally distributed data were respectively analysed by the Chi-square, single-factor analysis of variance, and Kruskal\u2013Wallis tests, respectively. The verification of correlation was completed by Spearman correlation analysis. The evaluation capabilities of indicators were assessed using receiver operating characteristic curves.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>Among 75 patients, 25 were included in the GBL group, 26 in the MBL group, and 24 in the ex-MBL group. A significant negative correlation was observed between the grade of myometrial thickness and the estimated blood loss (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, \u03c1\u2009=\u2009\u2212\u20090.604). There was a significant positive correlation between the volume of the DIB and the estimated blood loss (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001, \u03c1\u2009=\u20090.653). The areas under the receiver operating characteristic curve of the two MRI features for predicting blood loss\u2009\u2265\u20092000\u00a0ml were 0.776 and 0.897, respectively.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The grading and volumetric MRI features, myometrial thickness, and volume of DIB, can be used as good prediction indicators of the risk of postpartum haemorrhage in patients with PAS.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12880-022-00906-2","type":"journal-article","created":{"date-parts":[[2022,10,17]],"date-time":"2022-10-17T04:02:34Z","timestamp":1665979354000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Assessment of postpartum haemorrhage for placenta accreta: Is measurement of myometrium thickness and dark intraplacental bands using MRI helpful?"],"prefix":"10.1186","volume":"22","author":[{"given":"Xinyi","family":"Chen","sequence":"first","affiliation":[]},{"given":"Ying","family":"Ming","sequence":"additional","affiliation":[]},{"given":"Han","family":"Xu","sequence":"additional","affiliation":[]},{"given":"Yinghui","family":"Xin","sequence":"additional","affiliation":[]},{"given":"Lin","family":"Yang","sequence":"additional","affiliation":[]},{"given":"Zhiling","family":"Liu","sequence":"additional","affiliation":[]},{"given":"Yuqing","family":"Han","sequence":"additional","affiliation":[]},{"given":"Zhaoqin","family":"Huang","sequence":"additional","affiliation":[]},{"given":"Qingwei","family":"Liu","sequence":"additional","affiliation":[]},{"given":"Jie","family":"Zhang","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,10,17]]},"reference":[{"issue":"4","key":"906_CR1","doi-asserted-by":"publisher","first-page":"244","DOI":"10.1016\/j.placenta.2011.11.010","volume":"33","author":"E Jauniaux","year":"2012","unstructured":"Jauniaux E, Jurkovic D. 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Individual informed consent was waived by the Institutional Review Board of Shandong Provincial Hospital due to the retrospective study design. All methods were carried out in accordance with relevant guidelines and regulations.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors have no conflicts of interest to declare.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"179"}}