在接受选择性开放胸腔腹腔大动脉动脉瘤修复的患者中预测手术死亡率
Kyle W Blackburn1, Susan Y Green1,2, Allen Kuncheria1
1Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Tex.
JTCVS open
|January 9, 2025
概括
一种多变量后勤回归模型有效地预测了选择性开放胸腔腹腔大动脉瘤 (TAAA) 修复的手术死亡率,其表现优于机器学习模型. 这个工具有助于手术前的患者咨询.
科学领域:
- 心血管外科心血管外科
- 医疗信息学 医疗信息学
- 预测分析是一种预测分析.
背景情况:
- 选择性开放胸腔腹腔大动脉瘤 (TAAA) 修复具有显著的手术死亡风险.
- 确定手术前预测因素对于患者咨询和风险分层至关重要.
- 以前的模型可能无法完全捕捉TAAA修复结果的复杂性.
研究的目的:
- 开发和验证一个预测模型的操作死亡率在选择性开放TAAA修复.
- 将传统物流回归与机器学习模型的性能进行比较.
- 创建一个直观的nomogram进行手术前风险评估和患者咨询.
主要方法:
- 从1986年到2023年,对2884个可选的TAAA开放维修进行了回顾性分析.
- 开发了四种预测模型:多变量逻辑回归 (MLR),随机森林,支向量机和梯度增强机.
- 模型性能使用C统计学评估,在1000次代中进行80:20交叉验证.
主要成果:
- 术后死亡发生在6.9%的患者中.
- 与机器学习模型相比,MLR模型表现出优异的预测性能 (中位数C统计:0.68).
- 确定的关键预测因素包括年龄增长,脑血管疾病,慢性脏疾病,症状动脉瘤和特定的克劳福德扩展.
结论:
- 多变量逻辑回归是一种可靠的方法,用于预测TAAA修复中的操作死亡率.
- 开发的MLR模型,翻译成名图,为手术前的患者咨询提供了有价值的工具.
- 术前因素显著影响TAAA修复中手术死亡的风险.
相关概念视频
Peripheral Artery Disease V: Postoperative Nursing Management
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
Aneurysm III: Interprofessional Care
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
Aneurysm IV: Nursing Management
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...


