Clinical Study of Continuous Non-Invasive Blood Pressure Monitoring in Neonates

Area of Science:

• Biomedical Engineering
• Neonatal Medicine
• Medical Device Technology

Background:

• Continuous arterial blood pressure (BP) monitoring is crucial for managing cardiovascular instability in infants.
• Current invasive arterial line (IAL) methods are skilled, time-consuming, painful, and carry risks of complications.
• A need exists for a non-invasive, accurate, and user-friendly BP monitoring solution for neonates.

Purpose of the Study:

• To evaluate the feasibility and accuracy of a novel non-invasive wearable device for continuous BP monitoring in infants.
• To compare BP measurements from the non-invasive device with traditional IAL data.
• To determine if the device meets regulatory accuracy standards for neonatal BP monitoring.

Main Methods:

• A wearable device employing capacitive sensors to capture pulse waveform data from infant wrists and/or feet.
• Utilized artificial neural network (ANN) algorithms to infer systolic, diastolic, and mean arterial pressures from waveform data.
• Compared non-invasive device readings against simultaneous IAL measurements in 81 neonates.

Main Results:

• The non-invasive device demonstrated feasibility and ease of use in preterm and term infants.
• Inferred BP values from the device showed high accuracy when compared to IAL data.
• The device's performance met FDA-level accuracy requirements for normotensive neonates.

Conclusions:

• The novel non-invasive wearable device provides accurate, continuous BP monitoring for infants.
• This technology offers a safe, less painful alternative to invasive arterial catheterization.
• The device has the potential to improve cardiovascular assessment and treatment in critically ill neonates.