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目的：探讨剖宫产术前禁食对产妇血清运载蛋白的影响。方法：选择ＡＳＡⅠ～Ⅱ级产妇４０名，随机分为４组。采用酶联免疫吸附测定法（ＥＬＩＳＡ）检测血清中视黄醇结合蛋白（Ｒｅｔｉｎｏｌｂｉｎｄｉｎｇｐｒｏｔｅｉｎ，ＲＢＰ），前白蛋白（Ｐｒｅａｌｂｕｍｉｎ，ＰＡ）和转铁蛋白（Ｔｒａｎｓｆｅｒｒｉｎ，ＴＲＦ）含量。结果：禁食２０ｈ以内血清中ＰＡ和ＴＲＦ含量无明显变化。而血清中ＲＢＰ含量随禁食时间延长有下降趋势，相关系数ｒ＝－０．９５２，Ｐ＜０．０５。结论：血清ＲＢＰ含量是禁食状态下蛋白营养的敏感指标。
Objective: To investigate the effect of fasting before cesarean delivery on serum carrier protein in maternal. Methods: Forty ASA Ⅰ ~ Ⅱ maternal women were randomly divided into 4 groups. Serum levels of Retinol binding protein (RBP), Prealbumin (PA) and Transferrin (TRF) were detected by enzyme linked immunosorbent assay (ELISA). Results: There was no significant change of serum PA and TRF within 20 hours of fasting. The serum RBP content with the duration of fasting decreased, the correlation coefficient r = -0.952, P <0.05. Conclusion: Serum RBP level is a sensitive indicator of protein nutrition in fasting state.