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PDPH exists in patients with IIH.
PDPH should not automatically lead to reconsider IIH diagnostic.
PDPH prevention using an atraumatic needle and dedicated PDPH treatment seem relevant in IIH patients.
Occurrence of post-dural puncture headache (PDPH) after diagnostic lumbar puncture (LP) for idiopathic intracranial hypertension (IIH) may seem very unlikely in clinical practice. Nevertheless, it has been suggested by several studies, mainly in sub-group analyses. We aimed to evaluate the prevalence of PDPH in an IIH population and determine any eventual predictive factors of PDPH occurrence.
We conducted a retrospective multiple-center observational study. All newly diagnosed IIH patients who met the International Classification of Headache Disorders (ICHD-3) or the Dandy modified criteria were included from three different French hospitals. They all underwent LP following the same process with the same type of needle. We recorded PDPH occurring within five days after LP, as defined by ICHD-3 criteria.
Seventy-four IIH patients were recruited, of whom 23 (31%) presented with PDPH. Neither classical risk factors for PDPH such as body mass index, age or gender, nor cerebrospinal fluid opening pressure, or specific IIH features were associated with occurrence of PDPH.
PDPH can occur after LP in IIH patients. Clinicians should be aware of this possible event during the IIH diagnosis assessment and should not automatically reconsider IIH diagnosis. PDPH prevention using an atraumatic needle and dedicated PDPH treatment seem relevant in IIH patients.Le texte complet de cet article est disponible en PDF.
Keywords : Lumbar puncture, Idiopathic intracranial hypertension, Post dural puncture headache, Pseudotumor cerebri
Abbreviations : BMI, CNS, CSF, ICHD-3β, ICP, IHS, IIH, LP, PDPH