Postdural puncture headache in pediatric oncology patients.

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Abstract
This prospective cohort study determined the incidence and risk factors for development of postdural puncture headache (PDPH) in children after lumbar puncture (LP). Eighty-six children were enrolled. LPs were performed with use of 22-gauge spinal needles with the bevel oriented parallel to the long axis of the spine. Follow-up telephone interviews and patients' diary of symptoms were collected. Headache brought on by sitting up and relieved by lying down was defined as PDPH. Of the 80 who completed the study, six (8%) developed PDPH. Two (3%) were less than 6 years old and four (5%) were 6 to 12 years of age. Children with a history of headache following a previous LP were nine times as likely to experience PDPH. PDPH occurs not infrequently in children. A prior history of headache is a predisposing factor.