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老年的标准,各家规定略有差异。Rusk 等发现肾小球滤过率和肾血浆流量在60岁以上急剧降低。一般认为60岁以上称为老年较为适当。老年的机体可分为“健全的老化”和“异常的老化”,前者为生理性老化,后者为病态的老化。老年的免疫功能与肾脏老年的免疫功能特点已知为淋巴细胞总数和T 细胞减少,老年人自身抗体出现增加。老化时肾小球滤过率、肾血流量、酚红排泄均下降,尿素氮、血清肌酐有上升倾向,代表肾小管功能的肾小管最大吸收量与最大排泄量从
Elderly standards, the provisions of each slightly different. Rusk and other found that glomerular filtration rate and renal plasma flow in the sharp decline over the age of 60. It is generally considered appropriate to call old people over the age of 60. Elderly body can be divided into “sound aging” and “abnormal aging”, the former is a physiological aging, which is sickly aging. Elderly immune function and immune characteristics of elderly kidney known as the total number of lymphocytes and T cells decreased, autoantibodies in the elderly increased. Aging, glomerular filtration rate, renal blood flow, phenol red excretion decreased, urea nitrogen, serum creatinine tends to rise, representing the tubular function of the renal tubular maximum absorption and maximum excretion from