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The causal effects of continuous treatments are often characterized through the average dose response function, which is challenging to estimate from observational data due to confounding and positivity violations. Modified treatment…

统计方法学 · 统计学 2025-01-22 Ziren Jiang , Jared D. Huling

The acute respiratory distress syndrome (ARDS) is characterized by the acute development of diffuse alveolar damage (DAD) resulting in increased vascular permeability and decreased alveolar gas exchange. Mechanical ventilation is a…

定量方法 · 定量生物学 2020-10-27 Deepak. K. Agrawal , Bradford J. Smith , Peter D. Sottile , David J. Albers

Mechanical ventilation is a critical life support intervention that delivers controlled air and oxygen to a patient's lungs, assisting or replacing spontaneous breathing. While several data-driven approaches have been proposed to optimize…

机器学习 · 计算机科学 2025-01-10 Joo Seung Lee , Malini Mahendra , Anil Aswani

Identifying the effects of mechanical ventilation strategies and protocols in critical care requires analyzing data from heterogeneous patient-ventilator systems within the context of the clinical decision-making environment. This research…

The management of invasive mechanical ventilation, and the regulation of sedation and analgesia during ventilation, constitutes a major part of the care of patients admitted to intensive care units. Both prolonged dependence on mechanical…

人工智能 · 计算机科学 2017-04-24 Niranjani Prasad , Li-Fang Cheng , Corey Chivers , Michael Draugelis , Barbara E Engelhardt

Longitudinal modified treatment policies (LMTP) have been recently developed as a novel method to define and estimate causal parameters that depend on the natural value of treatment. LMTPs represent an important advancement in causal…

统计方法学 · 统计学 2025-02-06 Iván Díaz , Katherine L Hoffman , Nima S. Hejazi

Mechanical ventilators sustain life of patients that are unable to breathe (sufficiently) on their own. The aim of this paper is to improve pressure tracking performance of mechanical ventilators for a wide variety of sedated patients. This…

系统与控制 · 电气工程与系统科学 2020-04-02 Joey Reinders , Ruben Verkade , Bram Hunnekens , Nathan van de Wouw , Tom Oomen

Mechanical ventilation is one of the most widely used therapies in the ICU. However, despite broad application from anaesthesia to COVID-related life support, many injurious challenges remain. We frame these as a control problem:…

The choice of lung protective ventilation settings for mechanical ventilation has a considerable impact on patient outcome, yet identifying optimal ventilatory settings for individual patients remains highly challenging due to the inherent…

Background: Ventilator-associated pneumonia (VAP) in traumatic brain injury (TBI) patients poses a significant mortality risk and imposes a considerable financial burden on patients and healthcare systems. Timely detection and…

机器学习 · 计算机科学 2024-08-05 Negin Ashrafi , Armin Abdollahi , Maryam Pishgar

We demonstrate a comprehensive semiparametric approach to causal mediation analysis, addressing the complexities inherent in settings with longitudinal and continuous treatments, confounders, and mediators. Our methodology utilizes a…

Dynamic treatment regimes or policies are a sequence of decision functions over multiple stages that are tailored to individual features. One important class of treatment policies in practice, namely multi-stage stationary treatment…

机器学习 · 统计学 2025-01-09 Daiqi Gao , Yufeng Liu , Donglin Zeng

This tutorial discusses methodology for causal inference using longitudinal modified treatment policies. This method facilitates the mathematical formalization, identification, and estimation of many novel parameters, and mathematically…

Clinical decision support systems (CDSS) will play an in-creasing role in improving the quality of medical care for critically ill patients. However, due to limitations in current informatics infrastructure, CDSS do not always have…

机器学习 · 计算机科学 2019-05-01 Gregory B. Rehm , Brooks T. Kuhn , Jimmy Nguyen , Nicholas R. Anderson , Chen-Nee Chuah , Jason Y. Adams

We consider the problem of controlling an invasive mechanical ventilator for pressure-controlled ventilation: a controller must let air in and out of a sedated patient's lungs according to a trajectory of airway pressures specified by a…

Deciding on appropriate mechanical ventilator management strategies significantly impacts the health outcomes for patients with respiratory diseases. Acute Respiratory Distress Syndrome (ARDS) is one such disease that requires careful…

系统与控制 · 电气工程与系统科学 2024-11-13 Isaac Ronald Ward , Dylan M. Asmar , Mansur Arief , Jana Krystofova Mike , Mykel J. Kochenderfer

Mechanical ventilation (MV) is a life-saving intervention for patients with acute respiratory failure (ARF) in the ICU. However, inappropriate ventilator settings could cause ventilator-induced lung injury (VILI). Also, clinicians workload…

Functional data are increasingly prevalent in biomedical research. While functional data analysis has been established for decades, causal inference with functional treatments remains largely unexplored. Existing methods typically focus on…

统计方法学 · 统计学 2026-02-11 Ziren Jiang , Erjia Cui , Jared D. Huling

Individual treatment effect (ITE) estimation is to evaluate the causal effects of treatment strategies on some important outcomes, which is a crucial problem in healthcare. Most existing ITE estimation methods are designed for centralized…

机器学习 · 计算机科学 2025-03-10 Changchang Yin , Hong-You Chen , Wei-Lun Chao , Ping Zhang

Instrumental variable methods have been widely used to identify causal effects in the presence of unmeasured confounding. A key identification condition known as the exclusion restriction states that the instrument cannot have a direct…

统计方法学 · 统计学 2022-08-05 Baoluo Sun , Yifan Cui , Eric Tchetgen Tchetgen
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