在对比引起的急性损伤后持续性损伤:发生率,演变,危险因素和预后
Mauro Maioli1, Anna Toso, Mario Leoncini
1Division of Cardiology, Misericordia e Dolce Hospital, Prato, Italy. mauro.maioli@fastwebnet.it
Circulation
|May 18, 2012
概括
对比诱导的急性损伤 (CI-AKI) 可以导致持续的损伤,增加死亡风险. 识别CI-AKI的风险因素对于管理先前存在功能障碍的患者至关重要.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 心脏病学 心脏病学
- 临床研究 临床研究
背景情况:
- 对比引起的急性损伤 (CI-AKI) 对功能的长期影响尚未完全理解.
- 患有中度至重度先前存在的功能障碍的患者特别容易受到CI-AKI的影响.
- 这项研究旨在调查CI-AKI后持续性损伤的发病率,风险因素和预后.
研究的目的:
- 为了确定CI-AKI发生率在接受冠状动脉血管学的中度至重度功能障碍患者中.
- 为了确定与CI-AKI后持续性损害相关的显著风险因素.
- 评估持续性损害对长期死亡率和心血管不良事件的预后影响.
主要方法:
- 一项观察性研究涉及3986名接受冠状动脉血管造影的患者,其中1490人具有基线肌素清除值<60毫升/分钟.
- CI-AKI定义为血清肌素在对照后3天内绝对增加≥0.5 mg/dL.
- 持续性脏损伤定义为3个月后肌素清除率下降≥25%;过渡性脏损伤定义为恢复到基线.
主要成果:
- CI-AKI的总发病率为12.1%,其中18.6%的患者患有持续性损伤.
- 持续性损伤的显著风险因素包括病风险评分≥17,左心室喷射率≤30%,以及5天内血清肌氨酸增加≥1.5倍.
- 在5年后,持续性损伤与显著更高的死亡率 (P=0.015) 和死亡,透析和心血管事件的结合终点增加的趋势有关.
结论:
- CI-AKI并不总是短暂的,并且可以直接导致功能恶化.
- CI-AKI的发展可以作为未来心血管事件风险较高的患者的指标.
- 积极的管理和风险因素的识别对于患有先前存在的功能障碍的患者来说是必不可少的,这些患者正在接受涉及对比介质的手术.
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