Yokoh A, Sugita K, Kobayashi S
Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan.
Acta Neurochir (Wien). 1987;87(3-4):134-9. doi: 10.1007/BF01476064.
Pressure of brain retraction was measured with a strain gauge spatula in 31 cases of 21 tumours and 10 aneurysms. They were operated on via different approaches: subfrontal (10 cases), interhemispheric (5), subtemporal (7) and suboccipital (9). The patients' age ranged from 11 to 74 years (average 50). The recorded data were averaged for every 5 minutes and divided into two groups: the first was data taken in the initial stage during the approach to the lesions, and the second were those taken during procedures at and around the lesion. Significant difference in the pressure among different approaches was found in the tumour group approached by the subtemporal route compared with other routes (p less than 0.005). The retraction pressures in the tumour cases were higher during the approach (31 +/- 15.5 torr) than during the main procedure (12 +/- 9.2 torr) (p less than 0.025). On the other hand, the pressures in the aneurysm cases were the reverse, being lower during the approach (22 +/- 15.2 torr) than during the main procedure (38 +/- 17.7 torr) (p less than 0.01). Early-stage operations for aneurysm required a higher retraction pressure than delayed operations.
使用应变片式刮匙对21例肿瘤和10例动脉瘤患者（共31例）测量脑回缩压力。手术通过不同入路进行：额下入路（10例）、半球间入路（5例）、颞下入路（7例）和枕下入路（9例）。患者年龄在11至74岁之间（平均50岁）。记录的数据每5分钟取平均值，并分为两组：第一组是在接近病变的初始阶段获取的数据，第二组是在病变处及周围操作过程中获取的数据。在肿瘤组中，与其他入路相比，经颞下入路的不同入路之间压力存在显著差异（p<0.005）。肿瘤病例在接近病变时的回缩压力（31±15.5托）高于主要手术过程中的压力（12±9.2托）（p<0.025）。另一方面，动脉瘤病例的压力情况相反，接近病变时的压力（22±15.2托）低于主要手术过程中的压力（38±17.7托）（p<0.01）。动脉瘤的早期手术比延迟手术需要更高的回缩压力。
