Hayashi T, Ichiyama T, Uchida M, Tashiro N, Tanaka H
Department of Paediatrics, Yamaguchi University School of Medicine, Japan.
Eur J Pediatr. 1992 Jun;151(6):461-5. doi: 10.1007/BF01959365.
Using a colour pulsed Doppler flow mapping system, we examined the intracranial arteries of 40 healthy infants. The anterior cerebral, basilar, intracranial internal carotid and middle cerebral arteries were visualized clearly enough to evaluate flow velocity at the success rates of 100%, 87.5%, 65% and 82.4%, respectively. In the anterior cerebral, intracranial internal carotid and middle cerebral arteries, the maximum blood flow velocity slightly decreased to a minimum at around 4-6 h after birth, and then gradually increased. The minimum blood flow velocity pattern was similar. The maximum blood flow velocity in the basilar artery decreased from 0-3 h, rapidly increased from 4-6 h, and remained at a steady level thereafter. A possible mechanism for the chronological changes in the intracranial blood flow velocity is discussed.
我们使用彩色脉冲多普勒血流成像系统对40名健康婴儿的颅内动脉进行了检查。大脑前动脉、基底动脉、颅内颈内动脉和大脑中动脉的显示清晰度足以分别以100%、87.5%、65%和82.4%的成功率评估血流速度。在大脑前动脉、颅内颈内动脉和大脑中动脉中，最大血流速度在出生后约4 - 6小时略有下降至最低值，然后逐渐增加。最小血流速度模式相似。基底动脉的最大血流速度在0 - 3小时下降，在4 - 6小时迅速增加，此后保持稳定水平。本文讨论了颅内血流速度随时间变化的可能机制。
