在急性呼吸道疾病综合征中使用机器学习预测机械通风的长度:开拓者研究
Jesús Villar1,2,3,4, Jesús M González-Martín1,2, Cristina Fernández2
1CIBER de Enfermedades Respiratorias, Instituto de Salud Carlos III, 28029 Madrid, Spain.
Journal of clinical medicine
|March 28, 2024
概括
在中度至严重的急性呼吸困扰综合征 (ARDS) 中预测长时间的机械通风 (MV) 是一个挑战. 机器学习模型在早期预测中取得了适度的成功,这表明需要对预测标记物的进一步研究.
科学领域:
- 关键护理医学 关键护理医学
- 肺部病理学 肺部病理学
- 医疗信息学 医疗信息学
背景情况:
- 临床医生预测长时间机械通风 (MV) 持续时间的能力有限.
- 中度至严重的急性呼吸困扰综合征 (ARDS) 通常需要长时间的MV.
- 早期预测MV持续时间对于患者管理和资源分配至关重要.
研究的目的:
- 评估机器学习 (ML) 在中度至重度ARDS患者中对MV持续时间>14天的早期预测的价值.
- 开发和验证使用在ARDS诊断后的各种时间点捕获的临床数据的ML模型.
- 确定影响延长MV持续时间的关键预后因素.
主要方法:
- 开发,测试和外部验证ML模型 (逻辑回归,多层感知器,SVM,随机森林).
- 利用了1173名中度至重度ARDS患者在MV≥3天的数据.
- 分析了在ARDS诊断时,24小时和诊断后72小时捕获的特征.
主要成果:
- 最好的预测模型使用了ARDS诊断后72小时的数据.
- 多层感知器确定了PaO2/FiO2,PaCO2,pH和PEEP作为主要的预后因素.
- 模型显示了预测MV>14天的适度歧视 (AUC0.71).
结论:
- 即使使用先进的ML技术,在中度至严重的ARDS中预测延长的MV仍然很困难.
- 需要进一步的研究,以发现用于预测MV长度的新标记.
- 这项研究强调了预测ARDS患者通风持续时间的复杂性.
相关概念视频
Mechanical Ventilation I: Indication and Settings
345
Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
345
Acute Respiratory Failure-V
137
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Ensure that patients are monitored continuously for their response to therapy, including changes in...
137
Mechanical Ventilation II: Invasive Ventilation
132
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
132
Ventilatory Modes
140
Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
140
Mechanical Ventilation III: Noninvasive Ventilation
111
Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation...
Noninvasive Positive-Pressure Ventilation...
111
Assessment of Ventilation I: Respiratory Rate
1.1K
Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
1.1K


