脏动脉电阻指数作为狼性炎患者的预后标志物
Samir Kamal Abdul Hamid1, Ashraf Elshazly1, Yasser Abd Elmawgood Faisal1
1Nephrology and Transplantation Unit, Internal Medicine Department, Faculty of Medicine, Assiut University, Egypt.
Nefrologia
|July 13, 2024
概括
性炎 (LN) 患者的抗性指数 (RRI) 高,与疾病严重程度相关. 较高的RRI值预测诱导治疗的反应不佳,为管理LN提供了有价值的非侵入性工具.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 类风湿病学 类风湿病学
- 医疗成像医学成像
背景情况:
- 狼性炎 (LN) 是系统性红斑狼 (SLE) 的严重并发症,尽管在理解和诊断方面取得了进展,但往往导致预后不佳.
- 患有狼性炎的患者经常经历不理想的结果,突出需要改进的预后和预测工具.
研究的目的:
- 调查抵抗指数 (RRI) 与功能之间的关系,以及狼性炎患者的组织病理参数.
- 确定RRI在预测狼性炎患者治疗反应中的有用性.
主要方法:
- 一项涉及126名狼性炎患者,25名没有脏干扰的SLE患者和100名健康对照者的研究.
- 使用彩色多普勒超声波测量抗性指数 (RRI);LN患者也接受了脏活检,并在治疗后6个月内进行随访.
主要成果:
- 与对照组和没有炎的SLE患者相比,LN患者的RRI显著更高 (P<0.0001).
- RRI与慢性指数 (r=0.704),活动指数 (r=0.310),血清肌素 (r=0.607) 和EGFR (r=-0.719) 呈负相关性.
- 升高的RRI与诱导治疗的不响应有关 (RRI>0.7在100%的不响应者和29.8%的响应者中),而RRI是治疗响应的显著预测因素.
结论:
- 性炎患者的抗性指数显著升高,与功能受损和不良基因病理发现相关.
- 抗性指数是狼性炎患者治疗反应的有价值的非侵入性预测指标,有助于治疗决策.
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