| 辛少博,刘晓真,柳蕊,何伟银,蔡少青,李颖嘉.超声所测膈肌移动度联合膈肌收缩峰值速度预测机械通气患者脱机结局[J].中国介入影像与治疗学,2026,23(5):281-285 |
| 超声所测膈肌移动度联合膈肌收缩峰值速度预测机械通气患者脱机结局 |
| Ultrasound measured diaphragmatic excursion combined with peak contraction velocity of diaphragm for predicting weaning outcomes of mechanical ventilation patients |
| 投稿时间：2026-01-11 修订日期：2026-05-01 |
| DOI：10.13929/j.issn.1672-8475.2026.05.006 |
| 中文关键词: 呼吸困难 呼吸,人工 膈肌 通气机撤除法 超声检查 |
| 英文关键词:dyspnea respiration, artificial diaphragm ventilator weaning ultrasonography |
| 基金项目:中山市医学科研项目（2023A020105）。 |
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| 中文摘要: |
| 目的 观察超声所测膈肌移动度（DE）联合膈肌收缩峰值速度（D-PCV）预测机械通气（MV）患者脱机结局的价值。方法 前瞻性收集98例拟接受脱机的MV患者，根据后续脱机结局分为脱机成功组（n=69）与失败组（n=29）。于脱机后2 h内行超声检查，测量DE及D-PCV并进行组间比较。以logistic回归分析筛选脱机结局的预测因子；绘制受试者工作特征（ROC）曲线，计算曲线下面积（AUC），分析DE、D-PCVE及二者联合预测脱机结局效能。结果 成功组DE高于、而D-PCV低于失败组（P均＜0.05）。DE、D-PCV均为MV患者脱机结局的预测因子（P均＜0.05），其预测AUC分别为0.769及0.802；二者联合的AUC为0.875。结论DE联合D-PCV有助于预测MV患者脱机结局。 |
| 英文摘要: |
| Objective To observe the value of diaphragmatic excursion （DE） combined with peak contraction velocity of diaphragm （D-PCV） measured by ultrasound for predicting weaning outcomes of mechanical ventilation （MV） patients. Methods Totally 98 MV patients who would undergo weaning were prospectively enrolled and divided into successful group （n=69） and failed group （n=29） based on subsequent weaning outcomes. Ultrasound examination was performed within 2 h after weaning， DE and D-PCV were measured and compared between groups. The predictive factors of weaning outcomes were screened with logistic regression analysis. The receiver operating characteristic curve was drawn， the area under the curve （AUC） was calculated to evaluate the predictive performance of DE， D-PCV and their combination. Results DE was higher， while D-PCV was lower in successful group than those in failed group （both P＜0.05）. DE and D-PCV were both predictive factors of weaning outcomes in MV patients （both P＜0.05）， with AUC of 0.769 and 0.802， respectively， and AUC of their combination was 0.875. Conclusion DE combined with D-PCV was helpful to predicting weaning outcomes in MV patients. |
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