• The Journal of pediatrics · Oct 2014

    Observational Study

    Ultrasound evaluation of lumbar spine anatomy in newborn infants: implications for optimal performance of lumbar puncture.

    • Ignacio Oulego-Erroz, María Mora-Matilla, Paula Alonso-Quintela, Silvia Rodríguez-Blanco, Daniel Mata-Zubillaga, and Santiago Lapeña López de Armentia.
    • Department of Pediatrics, Complejo Asistencial Universitario de León, León, Spain. Electronic address: Ignacio.oulego@gmail.com.
    • J. Pediatr. 2014 Oct 1;165(4):862-5.e1.

    AbstractAn ultrasound evaluation of lumbar spine anatomic landmarks relevant for lumbar puncture was performed in 199 newborn infants. Effects of 6 patient positions and gestational age on interspinous process distance, subarachnoid space width, predicted needle entry angle, and needle insertion depth were assessed. Our results identify optimized conditions for lumbar puncture: sitting the infant with hips flexed, a needle entry angle of 65-70 degrees, and proper needle insertion depth (calculated as 2.5 × weight in kilograms + 6 in millimeters).Copyright © 2014 Elsevier Inc. All rights reserved.

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