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关键词：脑室内压力；腰硬脊膜外压力
摘要 目的：探讨腰硬脊膜外压(ISEDP)与脑室内压(IVP)之间关系，了解ISEDP能否监测颅内压。方法：选择5例颅脑疾病继发脑积水患者，采用LNP-Ⅰ型经腰硬脊膜外腔颅内压监护仪和LY-Ⅱ型脑室内压监护仪进行持续监测，病人取水平侧卧体位，以每隔5分钟记录IVP和ISEDP压力数据一次，期间多次重复操作LNP-Ⅰ型监护仪与IVP进行对照，同时观察临床症状，压力波形及颅高压时间断行脑室引流时二者变化。最终将所有数据输入电脑采用线性回归方法统计。结果：持续IVP和ISEDP二者统计相关系数为0.988，P<0.01，总体压力/时间呈平行走行趋势；多次重复操作二者相关系数为0.955，P<0.01。在IVP增高期间，ISEDP出现B波，间断引流脑室CSF时发现其逐渐下降过程，持续描记的波形、波幅与IVP变化和临床症状相吻合。结论：ISEDP能准确地反映颅内压变化，持续监测稳定性好。但对脑疝或椎管梗阻者应用受限。
A comparative studyof intraspinal epidural pressure and intraventricular pressure Liu Zheng, Dou Yuanyuan, Zhang Xizheng, et al. Departmentof Neurosurgery, General Hospital Fuzhou, Fuzhou 350001
Abstract Objective: To probe therelationship between intraspinal epidural pressure (ISEDP) and intraventricular pressure (IVP), and observed whether or not ISEDP monitored intracranial pressure. Methods: 5 casesof craniocerebral diseases with secondary hydrocephalus were selected to be monitored by LNP-Ⅰ translumbarepidural space intracranial pressure monitor and LY-Ⅱ ventricular pressure monitor grabually. With horizontalposition, we recorded with IVP and ISEDP pressure one time per 5 minutes , The datums of LNP-I monitor in the repeated operations were compared with that of IVP, While variationsof clinic symptoms, wave forms of pressure, and intermittent ventriculus dranage in theintracranial hypertension were observed. All the datums were put into the computer toemploy line arregressior statistics. Results: The correlation coefficient between thecontinous IVP and ISEDP was 0.988 (P< 0.01) and total pressure/ time presented parallel trend. The correlation coeffientbetween the repeated operations IVP and ISEDP was 0.955 (P< 0.001).ISEDP had B wave during the increase of IVP anddeclined gradually in the intermittent dranage of ventricular CSF, which wave form andamplitude variations with IVP changes were identical with the clinic symptoms. Conclusion:ISEDP can reflect correctly variations of the intracranial pressure and has a goodstability in the continous monitor ,but is confined to cerebral hernia and vertebral canalobstruction.
Key words Intraventricularpressure Intraspinalepidural pressure
我院自1997年8月至1997年12月期间 ......
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