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Master Thesis

Extraction instrumentale et risque d'anémie : étude de cohorte historique

Abstract : Objectives: The aim of this study was to determine if instrumental delivery could be considered as a risk factor for postpartum anaemia. Methods: It's a monocentric and historical cohort study which included two hundreds and sixtyone patients, with 136 spontaneous vaginal deliveries, and 125 instrumental deliveries. The cohort of women who gave birth with spontaneous vaginal delivery were randomly selected from a database of eutocic deliveries 2013-2015. The cohort of women who gave birth with instrumental delivery were collected by a retrospective review of patients' medical records. The primary study endpoint was anaemia, defined as haemoglobin lower than 110g/L two days after delivery. The secondary endpoint was anaemia with haemoglobin cut-off at 100g/L. The risk factors were studied with univariate analysis. Results: In spontaneous vaginal deliveries, haemoglobin level at two days after delivery reached 113g/L, significantly higher than 103g/L in case of instrumental deliveries (p<0,001). The factors significantly increasing the risk of postpartum anaemia for both haemoglobin cut-offs were instrumental deliveries, primiparity, episiotomy, blood losses and maternal age. Other associated factors were also identified, such as gestational age for 110g/L cut-off, and the use of forceps and the baby's head circumference for 100g/L cut-off. Conclusion: Instrumental deliveries are significantly associated with higher risk of postpartum anaemia.
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https://dumas.ccsd.cnrs.fr/dumas-03035557
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Submitted on : Wednesday, December 2, 2020 - 11:33:43 AM
Last modification on : Friday, December 4, 2020 - 3:18:39 AM
Long-term archiving on: : Wednesday, March 3, 2021 - 7:00:19 PM

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  • HAL Id : dumas-03035557, version 1
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Adeline Deroo. Extraction instrumentale et risque d'anémie : étude de cohorte historique. Gynécologie et obstétrique. 2020. ⟨dumas-03035557⟩

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