Sungkyunkwan University · Medicine
Professor Kwan Park's research lab specializes in functional neurosurgery, with a primary focus on the microvascular decompression (MVD) treatment of hemifacial spasm (HFS). The lab investigates prognostic indicators—such as the disappearance or persistence of the lower sensorimotor response (LSR) before and after MVD—to improve surgical outcomes and patient selection. Their work also emphasizes the safety and efficacy of MVD in elderly patients, expanding surgical candidacy while maintaining low morbidity and mortality. The lab integrates neurophysiological monitoring with clinical outcomes to refine surgical decision-making and enhance long-term patient prognosis.
Figures are computed from collected data and may differ slightly.
The disappearance of the LSR before and after MVD may predict clinical outcomes. This must be considered together with the disappearance or persistence of LSR after decompression as a prognostic factor for HFS after MVD.
Microvascular decompression is the most effective surgical modality available for the treatment of HFS. Results of this study indicate that such technique can be performed in the elderly without higher rates of morbidity or mortality. Any patient with HFS, whose general health is acceptable for undergoing general anesthesia, should be considered as a candidate for MVD.
A simple linear graph of pTMS(%) versus each ISI may be a helpful tool to predict prognosis for HFS following an MVD.
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