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许多医生不愿将老年高血压患者的血压降至所推荐的水平惟恐脑部灌流降低。由于高血压脑循环有潜在可逆性结构性和功能性改变,并且可随治疗而改善,因此,Lewis A Lipsitz等研究长期用药物降低收缩压是否可以改善而不是恶化脑血流及其调节作用。很少对3组65岁或超过65岁的老年人进
Many doctors are reluctant to lower the blood pressure of elderly hypertensive patients to the recommended level for fear of decreased brain perfusion. Because of the potentially reversible structural and functional changes in hypertensive cerebral circulation, which can be amenable to treatment, Lewis A Lipsitz et al. Studies whether long-term use of drugs to reduce systolic blood pressure can improve rather than worsen cerebral blood flow and its regulation. Few 3-year-old 65-year-old or over the elderly