• Eur Spine J · Feb 2023

    Early surgical intervention alleviates sensory symptoms following acute traumatic central cord syndrome.

    • Kaiwen Chen, Cong Nie, Huan Song, Yu Zhu, Feizhou Lyu, Jianyuan Jiang, and Chaojun Zheng.
    • Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China.
    • Eur Spine J. 2023 Feb 1; 32 (2): 608616608-616.

    PurposeTo investigate the impact of early versus delayed surgery on sensory abnormalities in acute traumatic central cord syndrome (ATCCS).MethodsPressure pain threshold (PPT), temporal summation (TS), conditioned pain modulation (CPM) and pain assessments were performed in 72 ATCCS patients (early vs. delayed surgical treatment: 32 vs. 40) and 72 healthy subjects in this ambispective cohort study. These examinations, along with mechanical detection threshold (MDT) and disabilities of arm, shoulder and hand (DASH), were assessed at 2 years postoperatively.ResultsPreoperatively, more delayed surgical patients had neuropathic pain below level compared with early surgical patients (P < 0.05). Both early and delayed surgical patients showed reduced PPT in common painful areas and increased TS, while reduced CPM only existed in the latter (P < 0.05). Reduced PPT in all tested areas, along with abnormalities in TS and CPM, was observed in patients with durations over 3 months. Both incidences and intensities of pain and pain sensitivities in common painful areas were reduced in both treatment groups postoperatively, but only early surgical treatment improved the CPM and TS. Follow-up analysis demonstrated a higher MDT and lower PPT in hand, greater TS, greater DASH, lower pain intensities and higher incidence of dissatisfaction involving sensory symptoms in delayed surgical patients than in early surgical patients (P < 0.05).ConclusionsCentral hypersensitivity may be involved in the persistence of sensory symptoms in ATCCS, and this augmented central processing may commence in the early stage. Early surgical treatment may reverse dysfunction of endogenous pain modulation, thus reducing the risk of central sensitization and alleviating sensory symptoms.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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