Needle-entry angle for lumbar puncture in children as determined by using ultrasonography.

OBJECTIVE The purpose of this study was to evaluate the angle for performing lumbar punctures in children aged 0 to 12 years. We hypothesized that the angle changes for different stages of development. METHODS Children aged 0 to 12 years who presented to the Yale-New Haven Children's Hospital at a low-acuity triage level, in need of a lumbar puncture… (More)