Dural puncture is the common accident and complication of epidural anesthesia,of which the common symptom is headache besides higher blocked level than expected and even spinal anesthesia.

• 硬膜穿破是硬膜外阻滞最常见的意外和并发症,除了会引起阻滞平面过高和全脊麻外,最常见的症状是头痛。