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本文选用8个切变率检测血粘度对90例脑梗塞患者进行了昼夜24小时生物周期的观察.分两组各30例,按交错方式每2小时采一次静脉血标本;另设两组各15例,按晨8时空腹采血和晨7时进餐后8时采血.发现晨间4～6时血粘度为昼夜高峰期,6时为最高峰,晨8时后趋于下降,18～20时血粘度二次轻度回升,22～24时为昼夜血粘度低谷期.血粘度变化周期主要表现在30.27~(5-1)以下低切变率范围内.晨8时空腹血粘度比1小时前进餐进水者在7.68~((?-1))切变率以下粘度显著升高.提示晚睡前饮水,晨间早起和及时进餐饮水,对有中风危险因素者和中老年保健及预防缺血性中风有重要意义.
In this paper, blood viscosity was measured by 8 shear rates of 90 patients with cerebral infarction observed 24-day biological cycle observed in both groups of 30 cases, according to the staggered manner once every 2 hours to take a sample of blood; the other two groups each 15 cases, according to fasting blood samples at 8 am and blood samples at 8 am after 7 am, blood viscosity was found to be the peak at daytime between 4 and 6 am, peaked at 6 pm, and then decreased at 8 am Blood viscosity slightly rebounded from the second, 22 to 24 hours for the blood viscosity trough. Blood viscosity changes in the period mainly in the low shear rate range of 30.27 ~ (5-1) within the morning 8:00 fasting blood viscosity than 1 In the hour before entering the water, the viscosity was significantly increased at the shear rate of 7.68 ~ ((- 1)), suggesting that drinking water before going to sleep, getting up early in the morning, and drinking water in time could improve the risk factors of stroke and middle- And prevention of ischemic stroke is of great significance.