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<p>Small-bowel intussusception (SBI) is usually transient, but 10% require surgery. The authors developed a bedside nomogram using routine ultrasound to predict irreducible SBI in 484 children (47 irreducible, 9.7%). LASSO regression selected five predictors: bloody stool, intussusception diameter and length, bowel wall thickness, and Doppler flow grade. The nomogram demonstrated good discrimination (C-index 0.907, 95% CI 0.869–0.945) and favorable calibration. This bedside tool enables immediate risk stratification using routine ultrasound measurements, potentially reducing unnecessary surgical delays.</p>

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A Clinically Ultrasound Fusion Visual Prediction Model for Childhood Irreducible Small-Bowel Intussusception

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月29日

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  • Hongjia Qiang,
  • Xin Li,
  • Zhaozheng Ding,
  • Xiangjie Li,
  • Yuan Cao,
  • Dongsheng Zhu

摘要

Small-bowel intussusception (SBI) is usually transient, but 10% require surgery. The authors developed a bedside nomogram using routine ultrasound to predict irreducible SBI in 484 children (47 irreducible, 9.7%). LASSO regression selected five predictors: bloody stool, intussusception diameter and length, bowel wall thickness, and Doppler flow grade. The nomogram demonstrated good discrimination (C-index 0.907, 95% CI 0.869–0.945) and favorable calibration. This bedside tool enables immediate risk stratification using routine ultrasound measurements, potentially reducing unnecessary surgical delays.