HUS是一组具有共同血栓性微血管病病理基础的异质性疾病,其经典特征为非免疫性微血管病性溶血性贫血、血小板减少和急性肾损伤的三联征[1]。按照发病机制可分为多个亚型,其中以STEC相关HUS最为常见,补体介导HUS为另一重要亚型[1]。
疾病概览
Other溶血性尿毒综合征
Haemolytic uraemic syndrome (HUS)
溶血性尿毒综合征(HUS)是一组异质性疾病,其共同病理基础为血栓性微血管病,经典三联征包括非免疫性微血管病性溶血性贫血、血小板减少和急性肾损伤[1]。最常见的病因是产志贺毒素大肠杆菌(STEC)感染,可散发或暴发,并在不同地区和人群中导致显著的疾病负担[2][3]。不同触发因素(如STEC相关或补体介导)的HUS在临床转归和治疗反应上差异显著,及时识别潜在触发因素对个体化诊疗至关重要[1]。
阅读完整临床与流行病学资料4
非O157:H7产志贺毒素大肠杆菌(STEC)感染可表现为散发性急性腹泻(brief),并具有引发溶血尿毒综合征(HUS)并导致跨洲际死亡的潜力[1]。HUS作为STEC感染最严重的并发症,经典特征为非免疫性微血管病性溶血性贫血、血小板减少和急性肾损伤三联征,属于血栓性微血管病这一共同病理表现[3]。STEC相关HUS仍是HUS最常见的病因类型[3]。在丹麦等已建立分子检测体系的国家,STEC诊断病例数从1997年的31例增至2023年的1432例,证实了STEC感染的临床检出率持续上升;携带stx2a和stx2d亚型的菌株与进展为HUS的风险密切相关。因此,临床面对急性腹泻病例时,应将STEC列为潜在病原并警惕其向HUS演变的可能性[1][3]。
STEC相关HUS在全球范围内引发关注,其相关暴发可跨洲传播并导致显著死亡率,且不仅限于O157:H7血清型,非O157:H7型在多个地区均有报道[2]。在丹麦,随着分子检测方法的引入和诊断标准的演变,STEC确诊病例数从1997年的31例增加到2023年的1432例,欧洲其他国家也观察到类似增长趋势[3]。志贺毒素亚型stx2a和stx2d与HUS发生风险的相关性已被证实[3]。
- 1Purwar S et al. Non-O157:H7 Shiga Toxin Producing Diarrhoeagenic Escherichia coli (STEC) in Southern India: A Tinderbox for Starting Epidemic. J Clin Diagn Res. 2016 Oct. PMID: 27891338. doi: 10.7860/JCDR/2016/21462.8714.PubMed: https://pubmed.ncbi.nlm.nih.gov/27891338/
- 2Michael M et al. Haemolytic uraemic syndrome. Lancet. 2022 Nov 12. PMID: 36272423. doi: 10.1016/S0140-6736(22)01202-8.PubMed: https://pubmed.ncbi.nlm.nih.gov/36272423/
- 3Scheutz F et al. Shiga Toxin-Producing E. coli (STEC) from Danish Patients, 1997-2023: Diagnostic Trends and Bacteriological Findings. Microorganisms. 2025 Oct 12. PMID: 41156801. doi: 10.3390/microorganisms13102342.PubMed: https://pubmed.ncbi.nlm.nih.gov/41156801/
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Australia NINDSS
Australia
Australian national notifiable diseases surveillance dashboard.
Australia NINDSS — Australian Capital Territory
Australian Capital Territory, Australia
Australian NINDSS monthly state/territory notifications for Australian Capital Territory, kept separate from the Australia national aggregate.
Australia NINDSS — New South Wales
New South Wales, Australia
Australian NINDSS monthly state/territory notifications for New South Wales, kept separate from the Australia national aggregate.
Australia NINDSS — Northern Territory
Northern Territory, Australia
Australian NINDSS monthly state/territory notifications for Northern Territory, kept separate from the Australia national aggregate.
Australia NINDSS — Queensland
Queensland, Australia
Australian NINDSS monthly state/territory notifications for Queensland, kept separate from the Australia national aggregate.
Australia NINDSS — South Australia
South Australia, Australia
Australian NINDSS monthly state/territory notifications for South Australia, kept separate from the Australia national aggregate.
Australia NINDSS — Tasmania
Tasmania, Australia
Australian NINDSS monthly state/territory notifications for Tasmania, kept separate from the Australia national aggregate.
Australia NINDSS — Victoria
Victoria, Australia
Australian NINDSS monthly state/territory notifications for Victoria, kept separate from the Australia national aggregate.
Australia NINDSS — Western Australia
Western Australia, Australia
Australian NINDSS monthly state/territory notifications for Western Australia, kept separate from the Australia national aggregate.