ArticlemedRxiv : the preprint server for health sciences2025
Developing A Data Pipeline to Quantify Ventilator Waveforms.
Article in medRxiv : the preprint server for health sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors.
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Abstract
Objective: To automatically collect ventilator waveforms and integrate them with curated electronic health record data from thousands of patients to provide the data necessary to analyze the complex interactions between lung injury, patient effort, ventilator dyssynchrony, and ventilator mechanics. Such datasets do not currently exist, hampering the understanding of ventilator trajectories. Design: A prospective, observational study which utilizes a multidisciplinary team of data scientists, biomedical engineers, and clinicians to develop an automated pipeline collecting high-fidelity ventilator waveform data and integrating these data with electronic health record data, including vital signs, sedation and agitation scores, lab results, and medications (drug, dose, and route). Importantly, electronic health record data are collected over a patient's entire hospital course, allowing for a complete description of patient trajectories. Settings: The Medical Intensive Care Unit at the University of Colorado. Patients: All mechanically ventilated adult patients. Interventions: None. Measurements: Automated collection of high-fidelity ventilator waveforms and electronic health record data. Results: Between July 2023 and May 2025, we collected data from 1,116 patients, 968 (87%) of whom had >12 hours of mechanical ventilation. These patients generated 4,767 ventilator days (>13 ventilator years) of analyzable ventilator waveforms and had a median duration of ventilation of 2.6[1.25, 6.06] days. Over 146 million breaths were segmented from the waveforms, of which 49 million breaths were able to fit the linear single-compartment model accurately and had a median compliance of 35.7 [25.2, 45.3] mL/H Conclusion: We created a fully automated data pipeline to continuously collect mechanical ventilation waveform data and integrate it with detailed EHR data to generate a unique, high-fidelity dataset that will be crucial for understanding the complex relationships among lung injury, patient effort, sedation, ventilator dyssynchrony, and ventilator mechanics.
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