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华西医学  2012 

鱼胆汁对兔肾功能的影响及其机制初探

, PP. 841-844

Keywords: 鱼胆汁,急性肾损伤,

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Abstract:

目的 探讨鱼胆汁对兔肾脏的影响及其机制。方法 将实验新西兰大耳白兔随机分为灌胃组(GP组,n=19)与静脉注射组(VI组,n=15),根据体重分别按3mL/kg、0.3mL/kg的剂量通过灌胃或耳缘静脉注射方式给予鱼胆汁。采集鱼胆汁处理前与处理后1~5h的血标本,测定肾功能、酸碱平衡及电解质指标,记录GP组每个采样点前20min尿量及鱼胆汁处理前、处理后5h的尿常规。鱼胆汁处理后5h处死动物取肾做病理学检查。结果 给予一定量鱼胆汁后5h内,两组兔血肌酐(Scr)、尿素氮、K+呈升高趋势(P均<0.05),而血HCO3?浓度呈下降趋势(P<0.05),其中VI组兔Scr、血K+改变早于GP组。GP组记录尿量明显下降,尿pH值升高,蛋白定量试验、隐血试验结果均呈阳性。两组兔肾组织病理检查均显示肾小球血管充盈,少量中性粒细胞浸润;肾小管水肿及间质充血,部分有局灶性出血,肾间质损伤较肾小球更为严重。结论 无论经由消化道还是血管给予实验兔鱼胆汁均可导致急性肾功能损伤,与鱼胆汁造成急性肾实质损伤、特别是肾小管间质损伤有关。

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