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为探讨高颅内压的早期诊断，用Ｂ型超声波对５４例高颅内压患者及４８例正常对照者的视神经直径进行检查，并将高颅内压患者视神经束增宽检出率与视乳头水肿的检出率进行比较。结果高颅内压患者视神经直径为（６．３２±０．５３）ｍｍ，正常人为（３．６１±０．２９）ｍｍ（Ｐ＜０．０１）。高颅内压患者视神经束增宽的检出率为７９．００％，视乳头水肿检出率为６７．００％（Ｐ＜０．０５）。表明颅内压增高时，视神经束增宽的比率明显高于视乳头水肿的比率；Ｂ型超声波检查视神经直径对早期诊断高颅内压有重要意义
To explore the early diagnosis of intracranial pressure, the diameter of optic nerve in 54 patients with intracranial pressure and 48 normal controls were examined by B-mode ultrasound. The detection rate of optic nerve bundle enlargement in patients with intracranial pressure The detection rate of papillary edema was compared. Results The diameter of optic nerve in patients with intracranial pressure was (6.32 ± 0.53) mm and (3.61 ± 0.29) mm in normal controls (P <0.01). The detection rate of optic nerve bundle broadening was 79.00% in high intracranial pressure patients and 67.00% in optic disc edema (P <0.05). Show increased intracranial pressure, the ratio of optic nerve bundle broadening was significantly higher than the ratio of papilledema; B ultrasonic examination of optic nerve diameter for the early diagnosis of high intracranial pressure is important