An iceberg typically shows only 10% of its mass above water. To appreciate the other 90%, you need to dive deep. That’s precisely what we’re doing in this series—discovering the deeper knowledge about obstetric topics. These topics can be massive, and much of the information is below the ‘surface-level’ knowledge that EMS is presented with.
For our first episode, we’ll explore Placenta Previa and the closely associated Placenta Accrete Spectrum with our Guest, Demi Wilkes!
Welcome to the opening episode of OB Icebergs!
Hosted by Sam Ireland and Featuring Demi Wilkes
References:
American College of Obstetricians and Gynecologists, & Society for Maternal-Fetal Medicine. (2018, December). Placenta Accreta Spectrum. Obstetric Care Consensus, (7).
Anderson-Bagga, F. M., & Sze, A. (2023, June 12). Placenta Previa. In StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing. Available from https://www.ncbi.nlm.nih.gov/books/NBK539818/
Bonnar, J. (2000). Massive obstetric hemorrhage. Bailliere's Best Practice & Research in Clinical Obstetrics & Gynaecology, 14(1) (graph)
Cresswell, J. A., Ronsmans, C., Calvert, C., & Filippi, V. (2013). Prevalence of placenta praevia by world region: a systematic review and meta-analysis. Tropical medicine & international health : TM & IH, 18(6), 712–724. https://doi.org/10.1111/tmi.12100
Faiz, A. S., & Ananth, C. V. (2003). Etiology and risk factors for placenta previa: an overview and meta-analysis of observational studies. The Journal of maternal-fetal & neonatal medicine: the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, 13(3), 175–190. https://doi.org/10.1080/jmf.13.3.175.190
Fan, D., Wu, S., Liu, L., Xia, Q., Wang, W., Guo, X., & Liu, Z. (2017). Prevalence of antepartum hemorrhage in women with placenta previa: a systematic review and meta-analysis. Scientific reports, 7, 40320. https://doi.org/10.1038/srep40320
Getahun, D., Oyelese, Y., Salihu, H. M., & Ananth, C. V. (2006). Previous cesarean delivery and risks of placenta previa and placental abruption. Obstetrics and Gynecology, 107(4), 771–778. https://doi.org/10.1097/01.AOG.0000206182.63788.80
Oyelese, Y., & Smulian, J. C. (2006). Placenta previa, placenta accreta, and vasa previa. Obstetrics and Gynecology, 107(4), 927–941. https://doi.org/10.1097/01.AOG.0000207559.15715.981.
Salim, N. A., & Satti, I. (2021). Risk factors of placenta previa with maternal and neonatal outcome at Dongola/Sudan. Journal of family medicine and primary care, 10(3), 1215–1217. https://doi.org/10.4103/jfmpc.jfmpc_2111_20
Silver, R. M., Landon, M. B., Rouse, D. J., Leveno, K. J., Spong, C. Y., Thom, E. A., Moawad, A. H., Caritis, S. N., Harper, M., Wapner, R. J., Sorokin, Y., Miodovnik, M., Carpenter, M., Peaceman, A. M., O'Sullivan, M. J., Sibai, B., Langer, O., Thorp, J. M., Ramin, S. M., Mercer, B. M., … National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network (2006). Maternal morbidity associated with multiple repeat cesarean deliveries. Obstetrics and gynecology, 107(6), 1226–1232. https://doi.org/10.1097/01.AOG.0000219750.79480.84
Simpson KR, James DC. Efficacy of intrauterine resuscitation techniques in improving fetal oxygen status during labor. Obstet Gynecol 2005; 105:1362.
Raghuraman, N., Temming, L. A., Doering, M. M., Stoll, C. R., Palanisamy, A., Stout, M. J., Colditz, G. A., Cahill, A. G., & Tuuli, M. G. (2021). Maternal Oxygen Supplementation Compared With Room Air for Intrauterine Resuscitation: A Systematic Review and Meta-analysis. JAMA pediatrics, 175(4), 368–376. https://doi.org/10.1001/jamapediatrics.2020.5351
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