一个基于DWI组图的诺图,用于在周围中进行手术前预测病原体和抗生素耐药性
Jiajia Wang1, Chuanyan Li2, Yan Li3
1School of Gongli Hospital Medical Technology, University of Shanghai for Science and Technology, Shanghai, China.
International journal of colorectal disease
|February 19, 2026
概括
扩散加权成像 (DWI) 诺米图可以预测周围腹病原体. 虽然它们对病原体识别有帮助,但它们对预测扩展谱β-乳糖酶 (ESBL) 感染的价值有限.
科学领域:
- 放射学 放射学是指放射学
- 医疗成像医学成像
- 传染性疾病 传染性疾病
背景情况:
- 周围需要准确的手术前诊断.
- 识别致病原体和抗生素耐药性,例如扩展谱β-乳糖酶 (ESBL) 生产,对于有效治疗至关重要.
- 扩散权重成像 (DWI) 提供了对组织特征的洞察力.
研究的目的:
- 开发和验证使用DWI直方图参数和临床数据的名图.
- 为了预测围的病原体类型.
- 在手术前预测扩展谱β-乳糖酶 (ESBL) 感染.
主要方法:
- 对157名患有近腹的患者进行了回顾性分析.
- 提取明显扩散系数 (ADC) 历史图参数.
- 使用LASSO和逻辑回归开发名录,并纳入临床变量.
主要成果:
- 病原体歧视模型实现了曲线下的面积 (AUC) 为0.897.
- 扩展光谱β-乳酸酶 (ESBL) 预测模型的AUC值为0.823.
- 两种模型均通过决策曲线分析 (DCA) 显示出良好的校准和潜在的临床实用性.
结论:
- 基于DWI组图的诺姆图显示出预测周腹中的病原体的前景.
- 这些名ograms用于预测ESBL感染的增量值是有限的.
- 这些内部验证的模型需要对临床应用进行外部验证.
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