免疫性尿路生物标志物预测婴儿心脏手术相关的急性损伤
Daniella Levy Erez1,2,3, Shah Lokesh4, Kathryn D Howarth5
1Division of Nephrology, Children's Hospital of Philadelphia, Philadelphia, USA. levy.erez.daniella@gmail.com.
Pediatric nephrology (Berlin, Germany)
|August 19, 2023
概括
心脏手术后婴儿的急性损伤 (AKI) 与免疫反应有关. 尿液CXCL10和VCAM显示为早期生物标志物用于检测AKI和潜在的治疗点.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 免疫学 免疫学 免疫学
背景情况:
- 急性损伤 (AKI) 是婴儿心脏手术后的常见并发症,与死亡率增加和长时间住院有关.
- 心脏外科手术后AKI的潜在机制尚未完全理解,这阻碍了有效治疗方法的开发.
- 新出现的证据表明,失调的免疫激活在心肺绕道术 (CPB) 后的AKI发展中起着重要作用.
研究的目的:
- 在尿液中识别免疫媒介生物标志物,以便在接受CPB辅助心脏手术的婴儿中早期检测AKI.
- 调查特定的尿路免疫生物标志物与AKI发生率之间的关系.
- 通过了解其免疫介导途径,探索AKI的潜在治疗点.
主要方法:
- 一项前性研究涉及126名1岁以下的婴儿接受CPB辅助心脏手术.
- 尿样是在手术前和手术后的多个时间点 (6,24,48,72小时) 收集的.
- 商业ELISA和LuminexTM复合套件用于测量免疫生物标志物,AKI以新生儿KDIGO标准定义.
主要成果:
- 27%的婴儿 (35名126名) 患有AKI,较年轻的婴儿,更复杂的手术和更长的CPB时间是相关因素.
- 与没有AKI的婴儿相比,在CPB后24小时,48小时和72小时观察到高化基因 (C-X-C动机) 配体10 (CXCL10) 的尿液水平.
- 在AKI组中,在CPB后6小时检测到明显更高的尿血管细胞粘附分子1 (VCAM) 中位数.
结论:
- 尿路CXCL10和VCAM被确定为有希望的促炎生物标志物,用于在心脏手术后在婴儿中早期检测AKI.
- 这些生物标志物可能为AKI的免疫介导机制提供了洞察力,为未来的治疗干预提供了潜在的目标.
- 对这些生物标志物的进一步研究可能会导致改善心脏手术后婴儿心脏炎的管理策略.
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