Vital Recorder-a free research tool for automatic recording of high-resolution time-synchronised physiological data from multiple anaesthesia devices

Hyung-Chul Lee, Chul-Woo Jung, Hyung-Chul Lee, Chul-Woo Jung

Abstract

The current anaesthesia information management system (AIMS) has limited capability for the acquisition of high-quality vital signs data. We have developed a Vital Recorder program to overcome the disadvantages of AIMS and to support research. Physiological data of surgical patients were collected from 10 operating rooms using the Vital Recorder. The basic equipment used were a patient monitor, the anaesthesia machine, and the bispectral index (BIS) monitor. Infusion pumps, cardiac output monitors, regional oximeter, and rapid infusion device were added as required. The automatic recording option was used exclusively and the status of recording was frequently checked through web monitoring. Automatic recording was successful in 98.5% (4,272/4,335) cases during eight months of operation. The total recorded time was 13,489 h (3.2 ± 1.9 h/case). The Vital Recorder's automatic recording and remote monitoring capabilities enabled us to record physiological big data with minimal effort. The Vital Recorder also provided time-synchronised data captured from a variety of devices to facilitate an integrated analysis of vital signs data. The free distribution of the Vital Recorder is expected to improve data access for researchers attempting physiological data studies and to eliminate inequalities in research opportunities due to differences in data collection capabilities.

Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Figure 1
Figure 1
Schematic representation of the Vital Recorder. Track list shows all connected devices and their parameters. Input data are displayed in the track window in real time, and can be explored using the time slider and zoom buttons, or the mouse wheel. Three alternating panes are located on the right side of the data-track window in the track mode to support device setting, event management, and application of mathematical functions or medical algorithms.
Figure 2
Figure 2
Monitor view of the Vital Recorder. The track and monitor modes are toggled by clicking the ‘monitor view’ button in the menu bar or pressing ‘CTRL + m’. The monitor mode is designed to monitor the status of data recording. The monitor mode shows the device connection status at the top, and simultaneously displays key data from multiple devices on a display that looks like a patient monitor screen.
Figure 3
Figure 3
Schematic representation of device setup for data recording from multiple anaesthesia devices using the Vital Recorder. Data from a patient monitor, anaesthesia machine, and bispectral index monitor were simultaneously recorded. Target-controlled infusion pumps, cardiac output monitors, regional oximeter, and rapid infusion device were added as needed. Two or three serial-to-USB converters and one analog-to-digital converter (ADC) were used for data communication-port connections. A network-attached storage was used to back up the files from 10 operation rooms.

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