Masui. The Japanese journal of anesthesiology
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Intracranial subdural hematoma (SDH) following dural puncture (DP) is a life-threatening complication. However, the characteristics and prognosis are little-known. ⋯ Seventy per cent of SDH occured following anesthesia related procedures. Most of them had an onset within one month after DP The prognosis was relatively good as long as SDH could be diagnosed at its early stage. It was necessary to observe the disappearance of postural headache and associated symptoms carefully to avoid delayed diagnosis.