开发和验证预测模型的延长机械通风后,全面胸腔替换:一个回顾性队列研究
Zhiqin Lin1,2, Zheng Xu3,4, Liangwan Chen3,4
1Department of Cardiovascular Surgery, Fujian Provincial Center for Cardiovascular Medicine, Union Hospital, Fujian Medical University, Yuanjiang Road 1#, Fuzhou, 350001, People's Republic of China. zhiqinemail@163.com.
Scientific reports
|October 28, 2024
概括
现在可以预测完全胸腔门更换后的长时间机械通风. 一个新的模型识别了高风险患者,使得量身定制的护理能够改善TTVR手术患者的结果.
科学领域:
- 心血管外科心血管外科
- 胸部外科手术 胸部外科手术
- 关键护理医学 关键护理医学
背景情况:
- 与开放心脏手术相比,全胸透镜置换 (TTVR) 是一种最少的侵入性方法.
- 延长的机械通风 (PMV) 是TTVR后的一个显著并发症,影响患者的结果.
- 准确预测PMV风险对于优化术后管理至关重要.
研究的目的:
- 在接受TTVR的患者中开发和验证长期机械通风 (PMV) 的预测模型.
- 确定与PMV风险相关的关键临床和人口因素.
- 评估开发的预测模型的临床实用性.
主要方法:
- 对2319名接受TTVR.的成年患者进行了回顾性队列研究.
- PMV的定义是手术后超过72小时的机械通风.
- 开发和验证一个细灰竞争风险回归模型.
主要成果:
- 确定了关键预测因素:心肺绕道时间,射出分数,NYHA等级,白蛋白,乳房脱,肺部感染/,年龄,透析需要,血红蛋白和PaO2/FiO2.2.
- 模型显示强大的区分能力 (AUC 0.747训练,0.833验证) 和良好的校准.
- 决策曲线分析证实了风险分层的临床实用性.
结论:
- 在TTVR后对PMV进行验证的预测模型显示出强大的性能和临床实用性.
- 该模型有助于识别高风险患者,以进行量身定制的术后管理.
- 降低PMV风险可以使TTVR程序后的结果得到改善.
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