补水可以防止静脉注射对比剂诱导的急性损伤吗?
Cassiane Dezoti da Fonseca1,2, Dayse Santana Santos1, Eduesley Santana Santos2
1Universidade Federal de São Paulo (Unifesp), São Paulo, SP, Brazil.
Radiologia brasileira
|December 4, 2025
概括
盐水水化有效地通过改善功能和血液动力学来保护糖尿病大鼠免受对比诱导的急性损伤. 这种干预可以减轻氧化应激,为风险患者提供潜在的保护策略.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 放射学 放射学是一门学科.
- 糖尿病学 糖尿病学
背景情况:
- 糖尿病是对比引起的急性损伤 (CI-AKI) 的重要危险因素.
- CI-AKI对功能构成重大威胁,特别是在糖尿病患者中.
研究的目的:
- 在糖尿病的临床前模型中研究盐水补充对CI-AKI的保护作用.
- 评估盐水补充对糖尿病大鼠离子对比剂暴露的水对动力学,功能和氧化应激标志物的影响.
主要方法:
- 一项量化,临床前实验性研究,涉及28只雄性Wistar大鼠.
- 鼠被随机分为四组:对照组,仅糖尿病类,糖尿病类+对照组和糖尿病类+对照组+盐水补充组.
- 评估包括生理参数,脏血液动力学,胰岛素清除率,尿蛋白和氧化损伤标志物.
主要成果:
- 与糖尿病对照剂接触的糖尿病大鼠与糖尿病对照剂相比,显著减少脏血流,增加脏血管抵抗力和降低胰岛素清除能力.
- 在糖尿病大鼠中,对比剂暴露导致氧化应激标志物增加,包括尿中微粒细胞凝酶相关的卡林,过氧化,脂质过氧化和醇消耗.
- 用盐水的预处理显著减轻了这些不良影响,保护了功能和血液动力学,并减少了氧化失衡.
结论:
- 盐水补充在糖尿病小鼠模型中显示出对CI-AKI的保护作用.
- 保护机制涉及减轻功能和血液动力学损伤,可能通过减少氧化还原失衡.
- 盐水水化是一种有前途的策略,用于预防糖尿病患者的CI-AKI,这些患者接受了涉及有的对比剂的手术.
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