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原发性低颅压综合征是指侧卧位时腰穿压力低于3.7mmHg(1mmHg=0.133kPa)的一组综合征。原因不明,临床上较少见,常突然发病。表现为头痛、呕吐、颈抵抗等症状,现将临床研究11例,综合报道如下。1 临床资料1.1 一般资料 男4例,女7例,年龄17～62岁,平均38.3岁。1.2 临床表现 急性起病9例,亚急性起病2例,病前有上呼吸道感染症状3例,过度疲劳2例,有慢性胃炎病史1例,其余5例无前驱症状。头痛11例,颈抵抗10例,发作性眩晕2例,恶心、呕吐8例,耳鸣、视物不清2例,眼球震颤2例,四肢麻木1例。全部病例均无意识障碍、抽搐、瘫痪及大、小便功能障碍。头痛特点为前额、顶或枕部疼痛,坐、立位时头痛加剧,平卧位时头痛减轻或消失。
Primary intracranial hypotension syndrome refers to a group of syndromes when the lumbar pressure is lower than 3.7 mmHg (1 mmHg = 0.133 kPa) in the lateral position. For unknown reasons, clinically rare, often sudden onset. Manifested as headache, vomiting, neck resistance and other symptoms, clinical research now 11 cases, comprehensive coverage is as follows. 1 Clinical data 1.1 General Information 4 males and 7 females, aged 17 to 62 years, an average of 38.3 years old. 1.2 Clinical manifestations of acute onset in 9 cases, subacute onset in 2 cases, before the disease symptoms of upper respiratory tract in 3 cases, 2 cases of fatigue, a history of chronic gastritis in 1 case, and the remaining 5 cases without prodromal symptoms. Headache in 11 cases, neck resistance in 10 cases, 2 cases of onset of vertigo, nausea and vomiting in 8 cases, tinnitus, blurred vision in 2 cases, 2 cases of nystagmus, limb numbness in 1 case. All cases were unconscious, convulsions, paralysis and large, urinary dysfunction. Headache is characterized by forehead, top or occipital pain, sitting, standing headache increased, headache relieve or disappear when the supine position.