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  • Title: Intervertebral Foramen - A Gateway to Epidural Space in Severe Lumbar Scoliosis.
    Author: Diwan S, Nair A, Sancheti P.
    Journal: Turk J Anaesthesiol Reanim; 2023 Apr; 51(2):150-154. PubMed ID: 37140582.
    Abstract:
    We describe cases in which a preoperative computed tomography was used to guide the placement of an epidural catheter through the defect in the intervertebral foramina in patients with severe lumbar scoliosis. We demonstrate the adroitness with which epidural catheters were inserted through the intervertebral foramina. Computed tomography scan illustrates and plots the needle path creating a 3-dimensional image of the vertebral body rotation, needle trajectory, and the distance from the skin to the intervertebral foramina. Severe scoliosis is defined as a lateral curvature (Cobb's angle) of more than 50 degrees. It was proposed in severe idiopathic scoliosis that interventional pain management techniques are managed with fluoroscopic imaging or an alternative form. However, after a computed tomography evaluation of the scoliotic spine, we assumed that the intervertebral foraminal anatomy would facilitate a safe and efficient epidural needle and subsequent catheter positioning in severe scoliotic patients.
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