Vairavan Narayanan

Papers

Total Citations

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About

Dr. Vairavan Narayanan is a neurosurgeon and researcher whose work focuses on the practical challenges of image-guided neurosurgery, particularly the limitations of optical tracking systems. His most-cited study, "Frequency and Causes of Line of Sight Issues During Neurosurgical Procedures Using Optical Image-Guided Systems" (2018, 18 citations), systematically documents how line-of-sight interruptions—caused by equipment, surgical staff, or patient positioning—can compromise the accuracy and efficiency of neuronavigation. This work has provided critical data for improving surgical workflows and has informed the development of more robust tracking technologies. Dr. Narayanan’s contributions are especially valuable for surgeons transitioning to minimally invasive and stereotactic techniques, where precise spatial orientation is paramount. By quantifying a common but underreported problem, his research has helped set standards for intraoperative troubleshooting and system design. His findings continue to influence both clinical practice and the engineering of next-generation image-guidance systems, making him a key voice in the ongoing effort to enhance safety and reliability in complex cranial and spinal procedures.