Intestinal mucosa protection of alanyl-glutamine on posttraumatic multiple organ dysfunction syndrome
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摘要: 目的 探讨添加丙氨酰-谷氨酰胺的全肠外营养(TPN)对多器官功能障碍综合征(MODS)患者的肠黏膜屏障功能的影响.方法 将入住本院ICU的MODS患者56例,均分为丙氨酰-谷氨酰胺双肽组(治疗组)和常规TPN组(对照组).2组患者均接受等氮、等热量的肠外营养治疗.对照组按常规TPN,治疗组在给予TPN基础上加用L-丙氨酰-I-谷氨酰胺0.4 g/(kg·d),共7d.所有患者均于TPN治疗前及治疗后第1、3、7天检测血浆二胺氧化酶(DAO)、D-乳酸、内毒素(LPS)浓度,观察分析营养指标,测血浆DAO、D-乳酸和LPS浓度.结果 治疗组治疗后血浆DAO、D-乳酸和LPS浓度各项指标显著低于对照组；治疗组营养指标明显高于治疗前和对照组,对照组仅转铁蛋白较治疗前增高.结论 应用丙氨酰-谷氨酰胺的肠外营养能够明显纠正MODS患者的营养代谢障碍,增加患者肠黏膜上皮细胞能量供给,保护肠黏膜上皮细胞功能.
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关键词:
- 谷氨酰胺 /
- 肠黏膜屏障 /
- 多器官功能障碍综合征 /
- 内毒素
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