Apr 2, 2010

Monitoring with head-mounted displays in general anesthesia: a clinical evaluation in the operating room

Anesthesia and Analgesia
David LiuW John Russell


Patient monitors in the operating room are often positioned where it is difficult for the anesthesiologist to see them when performing procedures. Head-mounted displays (HMDs) can help anesthesiologists by superimposing a display of the patient's vital signs over the anesthesiologist's field of view. Simulator studies indicate that by using an HMD, anesthesiologists can spend more time looking at the patient and less at the monitors. We performed a clinical evaluation testing whether this finding would apply in practice. Six attending anesthesiologists provided anesthesia to patients undergoing rigid cystoscopy. Each anesthesiologist performed 6 cases alternating between standard monitoring using a Philips IntelliVue MP70 and standard monitoring plus a Microvision Nomad ND2000 HMD. The HMD interfaced wirelessly with the MP70 monitor and displayed waveform and numerical vital signs data. Video was recorded during all cases and analyzed to determine the percentage of time, frequency, and duration of looks at the anesthesia workstation and at the patient and surgical field during various anesthetic phases. Differences between the display conditions were tested for significance using repeated-measures analysis of variance. Video da...Continue Reading

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  • Citations14


Mentioned in this Paper

Operating Room
Personal Computers
Insufflation Anesthesia
Intraoperative Period
General Anesthesia [PE]
Injuries, Surgical
Absence of Sensation
Repeated Rounds of Survey
General Anesthesia

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