基于机器学习的预测显著的手术内流血,以指导在脊柱手术中的风险适应的血液管理决策
Cheng Xiao1, Yunpeng Wu2, Han Zang1
1Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
Journal of clinical anesthesia
|February 17, 2026
概括
一个新的12变量机器学习模型准确地预测了脊柱手术期间的大量血液损失. 根据风险调整的Cell Saver使用,以此模式为指导,提供比标准实践更好的临床益处.
科学领域:
- 手术瘤学手术瘤学
- 机器学习在医学中的应用
- 患者血液管理患者血液管理
背景情况:
- 在脊柱手术期间大量流血是常见的,导致输血需求增加和患者的治疗结果较差.
- 目前的手术前风险分层工具和个性化血液管理策略是不够的.
- 在脊柱手术中预测和减轻手术期间流血仍然是一个关键的临床挑战.
研究的目的:
- 开发和验证一种机器学习模型,用于预测脊柱外科手术中的重大手术内流血损失.
- 用Cell Saver来评估风险适应的血液管理策略的临床益处,以预测模型为指导.
主要方法:
- 在3944名脊柱手术患者的数据上训练了26个机器学习算法.
- 使用Shapley增量解释识别了关键预测因子,以创建简化的模型.
- 在843名患者中外部验证了最佳模型,并使用决策曲线和线分析评估了Cell Saver的益处.
主要成果:
- 一个12个变量模型在测试和外部验证队列中实现了高预测精度 (AUC 0.814-0.820).
- 与风险相适应的Cell Saver策略显示,与当前实践相比,其临床净益更大.
- 随着预测的外科手术失血风险,Cell Saver的益处增加,在高风险患者中改善血红蛋白和减少输血量.
结论:
- 一个具有12个变量的机器学习模型准确地预测了脊髓手术患者的显著失血风险.
- 实施风险适应的Cell Saver策略,以此模型为基础,可以提高临床结果.
- 与基于经验的血液管理策略相比,这种方法提供了优越的临床净益处.
相关概念视频
Peripheral Artery Disease V: Postoperative Nursing Management
430
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...
430
Aneurysm IV: Nursing Management
491
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...
491


