Intra-operative Video Recording Using 5 Different Camera Systems For An Educational Purpose
Winn M M Aye, Laszlo Kiraly, Theodoros Kofidis.
NATIONAL UNIVERSITY HOSPITAL, NATIONAL UNIVERSITY HEALTH SYSTEM, SINGAPORE, Singapore.
BACKGROUND: To assess the characteristics, user experience of different video-recording systems and the added value of intra-operative footages recorded during cardiac surgeries for live-in-a-box video transmissions, education and documentation
METHODS: There are total of five different camera systems installed in the Cardiac Operating Theatre (OT) at National University Hospital, Singapore. These are (1.) High Defination (HD) Headlight Camera; (2.) Surgical Pendant Camera; (3.) Pan-Tilt-Zoom (PTZ) Camera; (4.) Endoscopic Camera; and, (5.) 360-degree Camera. Integrated footage from the cameras can be viewed as a picture-in-picture on 2 wall-mounted television (TV) screens. The HD Headlight Camera and Endoscopic cameras also have their independent control module and TV-screens. All the camera systems have recording capabilities and their footage can easily be downloaded for editing thereafter. Additional informed consent for intra-operative video-recording was obtained from each patient/parent/guardian prior to surgery. RESULTS: Systems recorded the operating field (No.1-3), and the team/OR activities (No.3-5). The headlight-mounted camera (No.1) captured what the surgeon looked at and recorded the entire surgical procedure without interfering with surgical manipulation. The endoscopic camera (No.2) - handheld and/or positioned through a trocar placed in the intercostal space - offered unparalleled close-range high-resolution and magnified images. The overhead camera (No.3) documented interactions of the operative team and the operative field. Ambient cameras (No.4-5) enabled communication in/outside the OT. Integration and editing of the video-audio sources mandated the participation of an online technician during live broadcasts. Recorded footages could further be edited and annotated for documentation and publication. Whereas, parallel utilization of multiple video-recording cameras in the OT could potentially be distractive, none of them hampered surgical flow. In fact, combination of and alternation among the different camera sources made the user-experience universally favourable. CONCLUSIONS:Different camera systems in the OT have special advantages and they enable content acquisition for recording, live-transmission and live-in-a-box broadcasts. Versatility of and alternation around the multiple image sources minimize disruption in the surgical procedure and translate into a favourable user-experience in content delivery. Multiple further applications of content consolidation are identified in quality control, surgical training/education, documentation and scientific publication.
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