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Master Thesis

Intérêt du pH au cordon en systématique dans les situations physiologiques ? Étude rétrospective à la maternité Port-Royal (Paris)

Abstract : Interest of routine umbilical cord blood gas analysis in physiological situations? Background: Perpartum asphyxia can lead to serious troubles for the child, making it necessary to identify by FHT and cord blood pH. Objective: We have studied the relevance of cord blood analysis in the diagnosis of asphyxia in physiological situations where a normal pH value is expected. Methods: A descriptive study was conducted on 1275 physiological births from June to December 2012 at the maternity Port-Royal. Cases were divided into 4 categories according to normal/abnormal FHT and normal/pathological pH. FHT was reinterpreted for the conflicting cases and the cost of cord blood sample was estimated. Results: FHT had a good negative predictive value for the identification of asphyxia (0,9% to 2,9%). When FHT was normal, there was no significant association between bad neonatal condition and pathological pH (p=1). Limiting umbilical pH sample to risk situations did not generate decisive savings (1500 to 5600 € for 7 months). Conclusion: Cord blood pH, which is non-invasive and cheap, presents mainly a medicolegal interest because it is an objective measurement. Thus, its routine use seems to be justified in a maternity with a blood gas analyser.
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Submitted on : Thursday, August 28, 2014 - 12:24:12 PM
Last modification on : Friday, October 23, 2020 - 4:49:22 PM
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  • HAL Id : dumas-01058840, version 1

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Guillemette Perier. Intérêt du pH au cordon en systématique dans les situations physiologiques ? Étude rétrospective à la maternité Port-Royal (Paris). Gynécologie et obstétrique. 2014. ⟨dumas-01058840⟩

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