Key result
Real-time BP monitoring prototype tracks conventional devices with an average deviation of ~5 mmHg.
Why the study?
Does a newly developed real-time wireless blood pressure and temperature measurement system provide accurate readings compared to conventional monitors in volunteer patients?
Does a newly developed real-time wireless blood pressure and temperature measurement system provide accurate readings compared to conventional monitors in volunteer patients?
Effect estimate: 4-5 mmHg for BP and 0.17°C for temperature
A low-cost, microcontroller-based wireless blood pressure and temperature monitoring prototype demonstrated acceptable accuracy compared to standard clinical devices.
Wireless BP/temperature monitoring prototype feasible; leaves open validation of accuracy, reliability, and clinical outcomes.
In this work, a real time blood pressure, temperature measurement and reporting system for inpatients was developed. The function of this system is to constantly measure the blood pressure and temperature of a patient and send the measured values to the medical doctor or other relevant care givers through wireless link. The system is built around the STM32F103C8 Microcontroller programmed in C language which performs the overall control action and interfaces with other peripherals like MPX5050GP and the DS18B20 which acts as primary sensors for blood pressure and temperature respectively. The health monitoring system was designed, constructed and tested. The results of blood pressure and body temperature measurements were compared with those of an OMRON blood pressure monitor and a clinical thermometer respectively. The deviations in measurements are on average ±4 mmHg and ±0.17°C for blood pressure and temperature respectively. This is considered satisfactory as the measurement error is found to be within tolerable limits.
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O. et al. (2016) studied Inpatients (general health monitoring) (n=5). Real-time blood pressure and temperature measurement and reporting system vs. OMRON blood pressure monitor and clinical thermometer was evaluated on Measurement deviation compared to conventional devices (4-5 mmHg for BP and 0.17°C for temperature). The developed real-time monitoring system demonstrated average measurement deviations of approximately 4-5 mmHg for blood pressure and 0.17°C for temperature compared to conventional devices.
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