Proposta de dispositivo de baixo custo para aferição de sinais vitais e monitoramento à distancia

Abstract

Signal monitoring in the industrial and residential area has been gaining visibility and importance, with the monitoring of temperature, alarms, and other variables. In the area of Health, especially in the field of Medicine, monitoring vital signs is essential for the diagnosis of pathologies, correlated to cardiopulmonary functions and the general condition of the patient, this is an extremely important activity in healthcare environments, whether in basic care or in the more complex ones, where each change in the parameters of vital signs may represent some risk or benefit to the patient. This monitoring reflects on the quality of life and gives a leap in the quality of care that professionals provide. Currently, conventional monitoring systems use high investments, making their use in Home Care mode unfeasible. The development of a low-cost device for checking vital signs can contribute to the improvement of this activity and, by making it possible, for example, that institutions that provide nursing home care services, can acquire it in order to, assist in improving the quality of life of bedridden patients. Objective: This work proposes to develop a monitoring system protocol for measuring vital signs using low-cost hardware technology and using open source software tools. Method: This is an applied research, which aims to develop a physical and electronic prototype. The development of the prototype was to assist Home Care professionals in nursingrelated care. The developed prototype gauges five relevant signals within nursing care, which are: Pulse, Oxygen Saturation (SPO2), Blood Pressure, Body Temperature and Pain. As it is a prototype, there was a need to request approval from the UNILAGO Research Ethics Committee. Objective: This work proposes to develop a prototype of a monitoring system to measure vital signs using low-cost hardware technology and using open source software tools. Method It is an applied research, which aims at the development of a physical and electronic prototype. The development of the prototype was intended to assist Home Care professionals in nursing care. The developed prototype gauges five relevant signals within nursing care, which are: Pulse, Oxygen Saturation (SPO2), Blood Pressure, Body Temperature and Pain. As it is a prototype, it was necessary to request approval from the UNILAGO Research Ethics Committee. Results: The variables analyzed during the prototype tests were: Pulse, Oxygen Saturation and Blood Pressure, being done in a sample of 30 people comparing the readings obtained between the developed prototype and the professional equipment for routine use to measure vital signs. It was possible to verify a difference in the reading of the pulse of 4.3% and, in the oxygen saturation of 0.9%, still demonstrating a significant difference, in the systolic blood pressure of 5.5% and in the diastolic reading of 1% between the comparison equipment in relation to the prototype. Conclusion: The results indicated the relevance of the prototype in relation to the equipment for routine use in homes, however, an analysis of the prototype comparing the readings with professional gold standard equipment is necessary for more reliable results, as well as a larger number of people to be sampled in the tests.