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A Bench Evaluation of Eight Home-Care Ventilators
Sara Martínez Castro1, Francisco Javier Belda Nacher2, Carlos Delgado Navarro3
1Hospital Clínico Universitario, Valencia, Spain. saradacuris@hotmail.com aquereparteledicia@gmail.com.
Respiratory Care
|September 23, 2021
Summary
Performance varies significantly among home mechanical ventilators. EOVE and Trilogy Evo showed fewer breathing issues, offering guidance for selecting the best device for patient needs.
Area of Science:
- Respiratory Care
- Biomedical Engineering
- Pulmonary Medicine
Background:
- Increasing use of home mechanical ventilation (HMV) necessitates advanced ventilator technology.
- Limited comparative data exists on HMV performance, leading to manufacturer-dependent choices.
- Current HMV technology rivals intensive care unit (ICU) ventilators in functionality.
Purpose of the Study:
- To evaluate and compare the technical performance of 8 commercially available HMV devices.
- To identify differences in ventilator function under various simulated physiological conditions.
Main Methods:
- Bench testing of 8 HMV devices (Monnal T50, EOVE EO-150, Puritan Bennet 560, Weinmann, PrismaVent 50, Trilogy Evo, Astral 150, Vivo 60) using an active lung model.
- Testing under 18 conditions combining respiratory mechanics, ventilatory mode, and inspiratory muscle effort.
- Analysis of delivered volume, trigger response, pressurization capacity, and synchronization.
Main Results:
- Significant performance variations observed across the 8 HMV devices.
- Reduced inspiratory muscle effort worsened delivered volume, trigger response, pressurization, and synchronization.
- Higher pressure support increased ventilator-patient asynchronies; EOVE and Trilogy Evo exhibited the fewest.
- All ventilators showed asynchronies under specific conditions.
Conclusions:
- Substantial technical performance variability exists among HMV devices.
- Ventilator-patient asynchronies are a key concern, particularly with high pressure support and low muscle effort.
- Findings aid clinicians in selecting HMV devices tailored to individual patient therapy requirements.
Keywords:
asynchronybreathing mechanicscomputer simulationhome caremechanical ventilationnoninvasive ventilationpressure-time producttrigger delay timeventilator performanceMore Related Videos
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