Related Experiment Video
Updated: Feb 22, 2026
Author Spotlight: Using Motor Imagery Brain-Computer Interface to Improve Motor and Cognitive Function in Stroke Patients
Published on: September 1, 2023
A pragmatic assessment of the influence of data processing on Bluetooth oximetry in pulmonary rehabilitation
Alec Bass1, Anne E Holland2, Janet Bondarenko3
1Institut Universitaire de Cardiologie et de Pneumologie de Québec (IUCPQ), Québec, Canada; Respiratory Reasearch@Alfred, School of Translational Medicine, Monash University, Melbourne, Australia; École de réadaptation, Université de Montréal, Montréal, Canada.
Background:
The diversification of modes of delivery and the increasing availability of smart devices, such as Bluetooth oximeters, may improve access to pulmonary rehabilitation. However, the performance of these devices is negatively affected by exercising. Given their high sampling rates, appropriate data processing methods may help reduce artifacts and improve data quality. Thus, this study explored how data processing influences the performance of a Bluetooth oximeter during pulmonary rehabilitation.
Methods:
Fourteen individuals were recruited from the ambulatory and home-based rehabilitation programs at the Alfred Hospital (Melbourne, Australia). Oximetry was collected during a single rehabilitation session and included resting (2 min) and one or two occasions of exercising (5 min of walking and/or cycling, or Modified Incremental Step Test). Two devices were used (one Bluetooth and one wired oximeter) to simultaneously collect data. The data from the Bluetooth oximeter (collected at 1 Hz) was processed using 3-s, 15-s, and 30-s running averages and agreement with the wired oximeter was assessed using Bland-Altman plots. Failure rates were also calculated and compared between data processing methods (Cochran Q tests).
Results:
Narrowing of limits of agreements for pulsed oxygen saturation and heart rate were seen with 15 and 30-s running averages for the resting condition only, with no apparent differences for exercising conditions. Overall failure rates were significantly reduced (adjusted P < 0.05) for 15 and 30-s running averages (failure rates of 36 and 35%, respectively), when compared to 3-s running averages (failure rate of 39%).
Conclusion:
Averaging remote pulse oximeter readings over longer time periods may increase data availability without affecting inter-device agreement during exercise.
More Related Videos
10:45A Community-based Stress Management Program: Using Wearable Devices to Assess Whole Body Physiological Responses in Non-laboratory Settings
Published on: January 22, 2018
14:28Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
Published on: May 10, 2024
Related Concept Videos
01:24Pulse Oximetry
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
01:19Special considerations while measuring oxygen saturation
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
01:30Equipments Used To Measure Blood Pressure
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
01:19Guidelines For Measuring Vital Signs
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
01:23Physiological Control of Respiration
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
01:19Respiratory Assessment: Purpose and Indications
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...