患者辛某，男性，68岁，于1995年6月15日入院。人院前10年无明显诱因出现头晕、耳鸣，时作时停，无规律性，7年前就诊于某医院，诊断为“脑动脉硬化”，给予复方丹参注射液、维脑路通等治疗，上述症状无明显改善，后于6年前在省级某医院诊断为“神经性耳聋”，脑血管多普勒（TC Xin patient, male, 68 years old, was admitted to hospital on June 15, 1995. People hospital for 10 years before there was no obvious incentive for dizziness, tinnitus, when the time to stop, no regularity, 7 years ago visited a hospital, diagnosed as “cerebral arteriosclerosis”, given compound Danshen injection, Venoruton treatment , No significant improvement in the above symptoms, after 6 years ago in a provincial hospital diagnosed as “neurological deafness”, cerebral vascular Doppler (TC