在急性肝衰竭中脑:尸检的见解
Francesca M Trovato1, Pervez Ali Khan1, Stacey Calvert1
1Liver Intensive Therapy Unit, Institute of Liver Studies, Kings College Hospital, London, UK.
概括
急性肝衰竭 (ALF) 可以导致脑 (CE) 和内高血压 (ICH),但这些并发症比以前认为的更少. 脑部CT扫描能够准确地检测出这些疾病,与临床症状不同.
科学领域:
- 肝病学和神经病学 肝病学和神经病学
- 关键护理医学 关键护理医学
- 神经成像和病理学
背景情况:
- 急性肝衰竭 (ALF) 是一种具有高死亡率的危急疾病,通常涉及肝脏脑病变.
- 大脑 (CE) 和内高血压 (ICH) 是ALF的潜在致命并发症,但它们的患病率和诊断方法尚不清楚.
- 对于物理征兆和CT成像在评估ALF患者的CE和ICH时的临床实用性存在有限的评估.
研究的目的:
- 确定大脑 (CE) 和内高血压 (ICH) 在大量急性肝衰竭 (ALF) 患者中的患病率.
- 评估CE和ICH与患者人口统计,临床因素和疾病严重程度的关联.
- 评估临床物理症状和脑计算机断层扫描 (CT) 的诊断实用性,以检测ALF中的CE和ICH.
主要方法:
- 对一大群急性肝衰竭 (ALF) 患者的回顾性分析.
- 通过尸检评估大脑发现,包括大脑 (CE) 和内高血压 (ICH).
- CE和ICH存在与临床数据的相关性,包括年龄,肝脑病变 (HE) 严重程度和血管压缩剂的使用.
- 临床症状的诊断准确性与脑CT成像与尸检发现的比较.
主要成果:
- 在ALF患者中,脑 (CE) 和内高血压 (ICH) 的患病率低于之前报告的,在少数病例中发现.
- 年轻的年龄,更严重的肝脑病变 (HE) 和血管压缩剂的需求与CE和ICH的存在有显著联系.
- 临床症状显示高特异性,但对CE的敏感性较低,无法检测大多数尸检确认病例.
- 大脑CT成像显示在诊断CE和ICH时具有高的特异性,灵敏性和整体准确性.
结论:
- 大脑 (CE) 和内高血压 (ICH) 在急性肝衰竭 (ALF) 中的流行率低于以前的假设.
- 临床因素如年龄较小,严重的肝脑病变 (HE) 和血管压缩剂的使用与CE和ICH的发展有关.
- 大脑CT是ALF中CE和ICH的可靠诊断工具,在准确性方面表现优于临床迹象.
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