Development and external validation of a nomogram to predict prolonged postoperative mechanical ventilation in patients with acute type A aortic dissection - Scorecard - MDSpire

Development and external validation of a nomogram to predict prolonged postoperative mechanical ventilation in patients with acute type A aortic dissection

  • By

  • Qi Yue

  • Jianhao Hu

  • Xin Li

  • Haiyuan Liu

  • Zhenxiao Ma

  • Chun Wu

  • Weibo Kong

  • Yuyong Liu

  • July 8, 2026

  • 0 min

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Clinical Scorecard: Creation and external validation of a nomogram for forecasting extended postoperative mechanical ventilation in individuals with acute type A aortic dissection

At a Glance

CategoryDetail
ConditionAcute Type A Aortic Dissection (ATAAD)
Key MechanismsProlonged mechanical ventilation (PMV) affects outcomes post-surgery.
Target PopulationPatients undergoing surgery for ATAAD.
Care SettingCardiac Surgery Department

Key Highlights

  • Nomogram developed to predict risk of PMV after ATAAD surgery.
  • Included 479 patients in training set and 120 in validation set.
  • Ten predictors identified for PMV risk assessment.
  • Nomogram demonstrated good discriminatory ability and calibration.
  • Sensitivity and specificity values achieved in both training and validation cohorts.

Guideline-Based Recommendations

Diagnosis

  • Use preoperative and intraoperative risk factors to predict PMV.

Management

  • Tailor perioperative management based on nomogram predictions.

Monitoring & Follow-up

  • Monitor identified predictors post-surgery for PMV risk.

Risks

  • PMV associated with longer ICU stays and increased postoperative mortality.

Patient & Prescribing Data

Adults over 18 years with confirmed preoperative ATAAD.

Nomogram aids in identifying high-risk patients for targeted interventions.

Clinical Best Practices

  • Implement nomogram for individualized risk prediction.
  • Conduct external validation of predictive models.

Related Resources & Content

Original Source(s)

Development and external validation of a nomogram to predict prolonged postoperative mechanical ventilation in patients with acute type A aortic dissection

  • by Qi Yue, Jianhao Hu, Xin Li, Haiyuan Liu, Zhenxiao Ma, Chun Wu, Weibo Kong, Yuyong Liu

  • July 8, 2026

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