CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne
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To review the current research and formulate a rational approach to the cause, prevention and treatment of postdural puncture headache (PDPH). ⋯ The rate of PDPH after lumbar puncture can be minimized through strict attention to technique and the employment of a 25-gauge needle with the bevel parallel to the dural fibres. A reliable diagnosis and stepwise approach to treatment will minimize complications.