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中华医学超声杂志(电子版) ›› 2025, Vol. 22 ›› Issue (03) : 230 -237. doi: 10.3877/cma.j.issn.1672-6448.2025.03.007

腹部超声影像学

克罗恩病国际肠道超声节段活动性评分与内镜下疾病活动度的相关性研究
彭彦卿1, 邹彦1, 陈双喜1, 孙立涛1,()   
  1. 1. 310000 杭州,浙江省人民医院(附属人民医院)超声医学科,杭州医学院
  • 收稿日期:2024-10-05 出版日期:2025-03-01
  • 通信作者: 孙立涛
  • 基金资助:
    浙江省中医药科技计划项目(2025ZL009)

Correlation between international enteric ultrasound segmental activity score and endoscopic disease activity in Crohn’s disease

Yanqing Peng1, Yan Zou1, Shuangxi Chen1, Litao Sun1,()   

  1. 1. Department of Ultrasonography, People's Hospital of Zhejiang Province (Afflliated People's Hospital), Hangzhou Medical College, 310000 Hangzhou, China
  • Received:2024-10-05 Published:2025-03-01
  • Corresponding author: Litao Sun
引用本文:

彭彦卿, 邹彦, 陈双喜, 孙立涛. 克罗恩病国际肠道超声节段活动性评分与内镜下疾病活动度的相关性研究[J/OL]. 中华医学超声杂志(电子版), 2025, 22(03): 230-237.

Yanqing Peng, Yan Zou, Shuangxi Chen, Litao Sun. Correlation between international enteric ultrasound segmental activity score and endoscopic disease activity in Crohn’s disease[J/OL]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2025, 22(03): 230-237.

目的

分析国际肠道超声肠段活动性评分(IBUS-SAS)与克罗恩病(CD)患者内镜下疾病活动度的相关性,为IBUS-SAS提供外部验证证据。

方法

回顾性分析2022年1月至2024年6月就诊于浙江省人民医院、临床诊断为CD并行肠道超声及肠道内镜检查的患者113例,测量患者肠壁厚度(BWT)、彩色多普勒征象(CDS)、肠系膜处炎症信号(i-fat)、肠壁分层(BWS)并给出IBUS-SAS。根据指南《中国克罗恩病诊治指南(2023年·广州)》将CD患者分为内镜缓解组[简化克罗恩病内镜下评分(SES-CD)<3分]、内镜轻度活动组(SES-CD≥3分且<7分)、内镜中重度活动组(SES-CD≥7分)。采用方差分析比较各组间IBUS-SAS、BWT、CDS、i-fat、BWS的差异;采用Spearman相关分析IBUS-SAS、BWT、CDS、i-fat、BWS与CD患者内镜下活动度的相关性,并采用受试者操作特征(ROC)曲线分析上述指标对CD患者不同内镜疾病活动程度的预测价值。

结果

内镜缓解组(31例)、内镜轻度活动组(47例)、内镜中重度活动组(35例)3组间IBUSSAS[(29.46±13.20)分 vs (53.33±14.89)分 vs (78.78±14.16)分]、BWT[3.9(3.5,4.7)mm vs 4.5(3.5,5.0)mm vs 6.4(5.3,8.3)mm]、CDS[1(0,1)分 vs 1(1,2)分 vs 2(2,3)分]、i-fat[0(0,1)分 vs 1(1,2)分 vs 2(2,2)分]、BWS[0(0,0)分 vs 1(0,1)分 vs 2(1,3)分]随内镜下疾病活动度的增高呈增高趋势,差异具有统计学意义(F=99.25,Z=44.44、41.60、56.98、33.95,P均<0.001)。IBUS-SAS、BWT、CDS、i-fat、BWS与SES-CD呈显著正相关(r=0.846、0.642、0.731、0.658、0.615,P均<0.001),其中IBUS-SAS与SES-CD呈高度相关。IBUS-SAS、BWT、CDS、i-fat、BWS与CD患者内镜下疾病活动度呈显著正相关(r=0.803、0.606、0.710、0.609、0.550,P均<0.001),其中IBUS-SAS与CD患者内镜下疾病活动度相关性最强,呈高度相关。ROC曲线分析表明,IBUS-SAS、BWT、CDS、i-fat、BWS对CD患者是否存在内镜疾病活动、是否存在内镜中重度活动、是否存在内镜疾病轻度活动均具有预测价值,其中IBUS-SAS的诊断效能显著高于单独使用BWT、CDS、i-fat、BWS(P均<0.05)。在对存在内镜疾病活动患者的分层分析中,IBUS-SAS、BWT、CDS、i-fat、BWS对区分CD患者内镜下疾病轻度活动与中重度活动具有预测价值,IBUS-SAS的AUC显著高于单独使用CDS、i-fat、BWS(P均<0.05),与BWT差异无统计学意义(P>0.05)。

结论

IBUS-SAS与CD患者内镜下疾病活动度存在相关性,并对内镜下疾病活动度具有较高的诊断价值,可作为CD患者疾病活动度的早期筛查工具。在已经明确具有内镜疾病活动的CD患者中可以使用BWT作为简便超声指标对CD患者的疾病活动度进行评价。

Objective

To analyze the correlation between international bowel ultrasound segmental activity score (IBUS-SAS) and endoscopic disease activity in patients with Crohn’s disease (CD)to provide external validation for IBUS-SAS.

Methods

A retrospective analysis was performed on 113 patients admitted to Zhejiang Provincial People’s Hospital from January 2022 to June 2024 with a clinical diagnosis of CD by intestinal ultrasonography and intestinal endoscopy. Bowel wall thickness (BWT), color Doppler sign (CDS), inflammation signals at the mesentery (i-fat), and bowel wall stratification (BWS) were measured to yield IBUS-SAS. According to the Chinese clinical practice guideline on the management of Crohn’s disease (2023, Guangzhou), the patients with CD were divided into endoscopic remission group(SES-CD<3), endoscopic mild activity group (SES-CD≥3 and <7), and moderate to severe endoscopic activity group (SES-CD≥7). The differences in IBUS-SAS, BWT, CDS, i-fat, and BWS among the groups were compared and analyzed by ANOVA. Spearman correlation was used to analyze the correlation of IBUSSAS, BWT, CDS, i-fat, and BWS with endoscopic activity in patients with CD, and receiver operating characteristics (ROC) curve analysis was performed to assess the predictive value of the above indicators for different endoscopic disease activity levels in patients with CD.

Results

The values of different indexes in the endoscopic remission group (31 cases), endoscopic mild activity group (47 cases), and endoscopic moderate to severe activity group (35 cases) were: IBUS-SAS [(29.46±13.20) vs (53.33±14.89) vs(78.78±14.16)], BWT [3.9 (3.5, 4.7) vs 4.5 (3.5, 5.0) vs 6.4 (5.3, 8.3)], CDS [1 (0, 1) vs 1 (1, 2) vs 2 (2, 3)],i-fat [0 (0, 1) vs 1 (1, 2) vs 2 (2, 2)], and BWS [0 (0, 0) vs 1 (0, 1) vs 2 (1, 3)]; there was an increasing trend in these indexes with the increase of endoscopic disease activity, and the differences were statistically significant (F=99.25, Z=44.44, 41.60, 56.98, and 33.95, respectively; P<0.001). IBUS-SAS, BWT, CDS,i-fat, and BWS were significantly positively correlated with SES-CD (r=0.846, 0.642, 0.731, 0.658, and 0.615, respectively; P<0.001), and IBUS-SAS was highly correlated with SES-CD. IBUS-SAS, BWT, CDS,i-fat, and BWS in CD patients showed significant positive correlations with endoscopic disease activity(r=0.803, 0.606, 0.710, 0.609, and 0.550, respectively; P<0.001), among which IBUS-SAS had the strongest correlation with endoscopic activity in CD patients. ROC curve analysis showed that IBUS-SAS, BWT, CDS,i-fat, and BWS had predictive value on whether patients with CD had endoscopic disease activity, moderate to severe endoscopic disease activity, and mild endoscopic disease activity. The diagnostic efficiency of IBUSSAS was significantly higher than that of BWT, CDS, i-fat, and BWS alone (P<0.05). In the stratification analysis of patients with endoscopic disease activity, IBUS-SAS, BWT, CDS, i-fat, and BWS had predictive value in distinguishing between mild and moderate to severe endoscopic disease activity in patients with CD, and the AUC of IBUS-SAS was significantly higher than that of CDS, i-fat, and BWS alone (P<0.05),but had no significant difference with that of BWT (P>0.05).

Conclusion

IBUS-SAS is correlated with endoscopic disease activity in patients with CD, has high diagnostic value for endoscopic disease activity, and can be used as an early screening tool for disease activity in patients with CD. In CD patients with endoscopic disease activity, BWT can be used as a simple ultrasound indicator to evaluate disease activity in CD patients.

图1 克罗恩病患者肠道超声图像。图a、b:肠壁厚度的测量,病变区域肠管纵轴较厚处约0.98 cm,短轴较厚处约0.95 cm,肠壁厚度取平均值为0.97 cm;图c:病变区域能量多普勒图,彩色多普勒征象评分为3分;图d:病变区域肠管肠系膜处炎症信号及肠壁分层,肠壁分层评分3分,肠系膜处炎症信号评分2分
表1 内镜下不同疾病活动度组间克罗恩病患者的一般临床资料比较
表2 内镜下不同疾病活动度组间克罗恩病患者IBUS-SAS及肠道超声参数的比较
表3 IBUS-SAS及肠道超声参数对克罗恩病患者内镜下疾病活动度的诊断效能
图2 IBUS-SAS及肠道超声参数诊断克罗恩病患者内镜下疾病活动度的受试者操作特征曲线。图a预测克罗恩病患者是否存在内镜下疾病活动,图b预测克罗恩病患者是否存在内镜下中重度活动,图c区分克罗恩病患者存在内镜下疾病缓解与轻度活动,图d区分克罗恩病患者存在内镜下疾病轻度活动与中重度活动
表4 IBUS-SAS及肠道超声参数对克罗恩病患者内镜下疾病中重度活动的诊断效能
表5 IBUS-SAS及肠道超声参数对克罗恩病患者内镜下疾病缓解和轻度活动的诊断效能
表6 IBUS-SAS及肠道超声参数对克罗恩病患者内镜下疾病轻度与中重度活动的诊断效能
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