Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography

Objective Spinal endoscopy radiofrequency is a minimally invasive technique for lumbar disc herniation (LDH) and low back pain (LBP). However, recurring LDH/LBP following spinal endoscopy radiofrequency is a significant problem. Paravertebral musculature plays a crucial role in spine stability and m...

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Main Authors: Jian Li, Gengyan Xing, Pengfei Lu, Yi Ding
Format: Article
Language:English
Published: Wiley 2024-03-01
Series:Orthopaedic Surgery
Subjects:
Online Access:https://doi.org/10.1111/os.13981
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author Jian Li
Gengyan Xing
Pengfei Lu
Yi Ding
author_facet Jian Li
Gengyan Xing
Pengfei Lu
Yi Ding
author_sort Jian Li
collection DOAJ
description Objective Spinal endoscopy radiofrequency is a minimally invasive technique for lumbar disc herniation (LDH) and low back pain (LBP). However, recurring LDH/LBP following spinal endoscopy radiofrequency is a significant problem. Paravertebral musculature plays a crucial role in spine stability and motor function, and the purpose of the present study was to identify whether patients’ baseline lumbar muscular electrophysiological function could be a predictor of recurring LDH/LBP. Methods This was a prospective follow‐up and case‐control study focusing on elderly patients with LDH who were treated in our department between January 1, 2018, and October 31, 2021. The end of follow‐up was recurring LBP, recurring LDH, death, missing to follow‐up or 2 years postoperation. The surface electromyography test was performed before the endoscopy C‐arm radiofrequency (ECRF) operation to detect the flexion–relaxation ratio (FRR) of the lumbar multifidus (FRRLM) and the longissimus erector spinae (FRRES), and the other baseline parameters included the general characteristics, the visual analogue scale, the Japanese Orthopaedic Association score, and the Oswestry Disability Index. Intergroup comparisons were performed by independent t‐test and χ2‐test, and further binary logistic regression analysis was performed. Results Fifty‐four patients completed the 2‐year follow‐up and were retrospectively divided into a recurring LDH/LBP group (Group R) (n = 21) and a no recurring group (Group N) (n = 33) according to their clinical outcomes. FRRLM and FRRES in Group N were much higher than those in Group R (p < 0.001, p = 0.009). Logistic regression analysis showed that only the FRRLM (odds ratio [OR] = 0.123, p = 0.011) and FRRES (OR = 0.115, p = 0.036) were independent factors associated with the ECRF outcome. Conclusions Lumbar disc herniation patients’ baseline FRRLM and FRRES are independent outcome predictors of recurring LDH/LBP after ECRF. For every unit increase in baseline FRRLM, the risk of recurring LDH/LBP is decreased by 87.7%, and for every unit increase in baseline FRRES, the risk of recurring LDH/LBP is decreased by 88.5%.
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spelling doaj.art-ae13f774486b4a4587721be0898649502024-03-11T02:14:06ZengWileyOrthopaedic Surgery1757-78531757-78612024-03-0116372473210.1111/os.13981Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface ElectromyographyJian Li0Gengyan Xing1Pengfei Lu2Yi Ding3Department of Orthopaedics China Aerospace Science & Industry Corporation Hospital 731 Beijing ChinaDepartment of Orthopaedics The Third Medical Center of PLA General Hospital Beijing ChinaDepartment of Orthopaedics The People's Hospital of Changshou Chongqing Chongqing ChinaDepartment of Orthopaedics The Third Medical Center of PLA General Hospital Beijing ChinaObjective Spinal endoscopy radiofrequency is a minimally invasive technique for lumbar disc herniation (LDH) and low back pain (LBP). However, recurring LDH/LBP following spinal endoscopy radiofrequency is a significant problem. Paravertebral musculature plays a crucial role in spine stability and motor function, and the purpose of the present study was to identify whether patients’ baseline lumbar muscular electrophysiological function could be a predictor of recurring LDH/LBP. Methods This was a prospective follow‐up and case‐control study focusing on elderly patients with LDH who were treated in our department between January 1, 2018, and October 31, 2021. The end of follow‐up was recurring LBP, recurring LDH, death, missing to follow‐up or 2 years postoperation. The surface electromyography test was performed before the endoscopy C‐arm radiofrequency (ECRF) operation to detect the flexion–relaxation ratio (FRR) of the lumbar multifidus (FRRLM) and the longissimus erector spinae (FRRES), and the other baseline parameters included the general characteristics, the visual analogue scale, the Japanese Orthopaedic Association score, and the Oswestry Disability Index. Intergroup comparisons were performed by independent t‐test and χ2‐test, and further binary logistic regression analysis was performed. Results Fifty‐four patients completed the 2‐year follow‐up and were retrospectively divided into a recurring LDH/LBP group (Group R) (n = 21) and a no recurring group (Group N) (n = 33) according to their clinical outcomes. FRRLM and FRRES in Group N were much higher than those in Group R (p < 0.001, p = 0.009). Logistic regression analysis showed that only the FRRLM (odds ratio [OR] = 0.123, p = 0.011) and FRRES (OR = 0.115, p = 0.036) were independent factors associated with the ECRF outcome. Conclusions Lumbar disc herniation patients’ baseline FRRLM and FRRES are independent outcome predictors of recurring LDH/LBP after ECRF. For every unit increase in baseline FRRLM, the risk of recurring LDH/LBP is decreased by 87.7%, and for every unit increase in baseline FRRES, the risk of recurring LDH/LBP is decreased by 88.5%.https://doi.org/10.1111/os.13981Flexion–Relaxation RatioOutcome PredictorParavertebral Musculature FunctionSpinal Endoscopy RadiofrequencySurface Electromyography (sEMG)
spellingShingle Jian Li
Gengyan Xing
Pengfei Lu
Yi Ding
Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography
Orthopaedic Surgery
Flexion–Relaxation Ratio
Outcome Predictor
Paravertebral Musculature Function
Spinal Endoscopy Radiofrequency
Surface Electromyography (sEMG)
title Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography
title_full Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography
title_fullStr Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography
title_full_unstemmed Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography
title_short Paravertebral Muscular Neurophysiological Function as an Independent Outcome Predictor of Recurring Herniation/Low Back Pain after Radiofrequency Ablation: A Prospective Follow‐Up and Case‐Control Study Based on Surface Electromyography
title_sort paravertebral muscular neurophysiological function as an independent outcome predictor of recurring herniation low back pain after radiofrequency ablation a prospective follow up and case control study based on surface electromyography
topic Flexion–Relaxation Ratio
Outcome Predictor
Paravertebral Musculature Function
Spinal Endoscopy Radiofrequency
Surface Electromyography (sEMG)
url https://doi.org/10.1111/os.13981
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