MethodsThe clinical data of 16 patients with SIH were retrospectively analyzed.

方法回顾性分析16例SIH患者的临床资料。

Methods The clinical and imaging data of 12 patients diagnosed as SIH were retrospectively analyzed.

方法回顾分析了12例临床诊断明确的原发性低颅压综合征病人的临床及影像资料。

Conclusion: the changes of NOS positive neurons of PAG in SIH rats may be involved in the development of SIH.

结论：应激性高血压大鼠pag内n OS阳性神经元的变化可能参与了应激性高血压的形成。

Aim: To study the role of NO in the midbrain periaqueductal gray (PAG) in the development of stress induced hypertension (SIH).

目的：探讨大鼠中脑导水管周围灰质(PAG)内NO在应激性高血压(SIH)发病中的作用。

SIH have obvious of the image change, it basic reason is the brain ridge liquid capacity de- crease and brain organization move.

原发性低颅压有明显的影像学改变，其根本原因是脑脊液容量减少和脑组织移位。

Silicone foams for dressing equipment: two main products are SIH and sif silicone foam. They are classified by hardness and machine type.

服装整烫设备用垫料：有硅橡胶发泡垫料和硅树脂海绵垫料两大品种，多种硬度多种规格系列产品。

The organic thin film electroluminescence device with blue green color using new organic material, silicon alkyl derivative (SCS SiH), was fabricated.

采用新合成的有机材料硅烷衍生物作为发光物质制备了发蓝、绿光的薄膜电致发光器件。

ConclusionOrthostatic headache is the most typical clinical symptoms of SIH, cerebrospinal fluid and brain MRI examinations can improve clinical diagnostic accuracy.

结论直立性头痛是自发性低颅压综合征最典型的临床特征，腰穿脑脊液检查及头颅MRI检查可提高临床诊断准确性。