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Validating the preoperative Japanese Core Outcome Measures Index for the Neck and comparing quality of life in patients with cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament by the patient-reported outcome measures

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Abstract

Purpose

This cross-sectional study serves two main purposes. Firstly, it aims to validate the preoperative Japanese Core Outcome Measures Index for the Neck (COMI-Neck) in patients with cervical spondylotic myelopathy (CSM) and ossification of the posterior longitudinal ligament (OPLL). Secondly, it seeks to elucidate differences in preoperative quality of life (QOL) between these two cervical pathologies using patient-reported outcome measures (PROMs).

Methods

A total of 103 preoperative patients (86 with CSM and 17 with OPLL) scheduled for cervical spine surgery were included in the study. Validated PROMs, including the Japanese COMI-Neck, Neck Disability Index (NDI), EuroQol-5 Dimension-3 level (EQ-5D-3L), and SF-12v2, were used to assess QOL. Baseline demographic and clinical data were collected, and statistical analyses were performed to compare the PROMs between CSM and OPLL groups.

Results

The Japanese COMI-Neck demonstrated good construct validity, with positive correlations with NDI and negative correlations with EQ-5D-3L and SF-12v2. Comparison of preoperative PROMs between CSM and OPLL groups revealed differences in age, body mass index, and EQ-5D-3L scores. The CSM group had higher NDI scores for concentration and lower EQ-5D-3L scores for self-care compared to the OPLL group.

Conclusions

This study validated the preoperative Japanese COMI-Neck in CSM and OPLL patients and identified specific QOL issues associated with each condition. The findings highlight the importance of considering disease-specific QOL and tailoring treatment plans accordingly. Further research should include postoperative assessments and a more diverse population to enhance generalizability.

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Authors and Affiliations

  1. Saitama Medical University Graduate School of Medicine, 981 Kawakado, Moroyama, Iruma, Saitama, Japan

    Yasuaki Mizoguchi & Kiyokazu Akasaka

  2. Department of Rehabilitation, Kimura Orthopaedic Clinic, Saitama, Japan

    Yasuaki Mizoguchi, Kenta Suzuki & Fumihiko Kimura

  3. School of Physical Therapy, Faculty of Health and Medical Care, Saitama Medical University, Saitama, Japan

    Kiyokazu Akasaka

  4. Curtin School of Allied Health, Curtin University, Perth, Australia

    Toby Hall

  5. Department of Orthopaedic Surgery, Saitama Medical Center, Saitama Medical University, Saitama, Japan

    Satoshi Ogihara

Authors
  1. Yasuaki Mizoguchi
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  4. Fumihiko Kimura
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Correspondence to Kiyokazu Akasaka.

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Mizoguchi, Y., Akasaka, K., Suzuki, K. et al. Validating the preoperative Japanese Core Outcome Measures Index for the Neck and comparing quality of life in patients with cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament by the patient-reported outcome measures. Eur Spine J 33, 77–83 (2024). https://doi.org/10.1007/s00586-023-07999-5

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  • DOI: https://doi.org/10.1007/s00586-023-07999-5

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