Epidural pressure measurements from various BMI obstetric patients

N. Vaughan, V.N. Dubey, M.Y.K. Wee, R. Isaacs

    Research output: Contribution to journalArticlepeer-review


    To date there have been no studies relating epidural pressure and ligament thickness changes with varying Body Mass Indices (BMI). This is required for simulators to model accurate pressures for various BMIs with realistic feeling.
    The aim of this study was to measure changing pressures of the saline inside the syringe during Tuohy epidural needle insertions for obstetric parturients of various BMI. This could identify correlations between BMI and epidural insertion saline pressure, and thicknesses and depths of ligaments and epidural space as measured from MRI and ultrasound scans.
    Original languageEnglish
    Article number030938
    JournalJournal of Medical Devices, Transactions of the ASME
    Issue number3
    Publication statusPublished - 2014


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