本文报道55例硬脑膜下腔积液,其中6例原发病为非化脓性脑膜炎。原发病为化脑者2/3积液发生在脑膜炎未愈前,1/3发生于脑脊液正常后,约1/4的病例积液发生在原发病起病后3天内。作者提出只要控制放液速度,穿刺放液量可不受限制。建议对迁延不愈的病例适当延长保守治疗时间。 This article reports 55 cases of subdural effusion, of which 6 cases of primary non-purulent meningitis. Primary disease for the brain 2/3 of the effusion occurred before meningitis, 1/3 occurred in the normal cerebrospinal fluid, about 1/4 of the cases of effusion occurred within 3 days after the onset of the primary disease. The authors suggest that as long as the control of tapping speed, puncture liquid volume can be unlimited. Proposed delayed treatment of patients with prolonged conservative treatment time.