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KMID : 1037020240130010047
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Medical Lasers; Engineering, Basic Research, and Clinical Application
2024 Volume.13 No. 1 p.47 ~ p.53
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Study on the neurological prognosis of patients who have undergone spinal surgery with intraoperative neurophysiological monitoring in Republic of Korea: a retrospective single center study
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Kim Jin-Yong
Yun Seung-Hoon
Lee Chang-Min
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Abstract
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Background: The purpose of this study was to determine how intraoperative neurophysiological monitoring (IONM) affects the neurological prognosis of patients based on the data from outcomes of various spinal surgeries.
Methods: A retrospective cohort study was conducted by reviewing the medical records of 175 patients who underwent spinal surgery using IONM from March 2017 to February 2022 at the Dankook University Hospital. These patients were divided into two groups, namely IONM-alarmed patients and non-alarmed patients. Their neurological prognosis was compared based on their Medical Research Council (MRC) grade, the length of hospital stay in days, the neuropathic pain scale, and the American Spinal Cord Injury Association (ASIA) scale. The MRC grade, neuropathic pain scale, and ASIA scale were compared using the chi-squared test. The length of hospital stay in days was compared using the Kaplan?Meier survival analysis.
Results: There was no statistical relationship between the MRC grade and the results of the IONM (p = 0.364). However, survival analysis of the two groups showed a meaningful difference (p = 0.047). The average hospital stay in days was 9.734 ± 0.443 for the non-alarmed group and 13.278 ± 1.834 days for the alarmed group.
Conclusion: IONM during spinal surgery did not result in a significant difference between the alarm signs of IONM and the muscle strength grade of the patients in the short term. However, this study showed that the IONM can shorten the length of hospital stay in days related to returning to daily living.
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KEYWORD
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Intraoperative neurophysiological monitoring, Prognosis, Hospital stay, Muscle strength
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