Predictors for quality of life improvement after surgery for degenerative cervical myelopathy: a prospective multi-center study
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Published:2021-05-19
Issue:1
Volume:19
Page:
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ISSN:1477-7525
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Container-title:Health and Quality of Life Outcomes
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language:en
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Short-container-title:Health Qual Life Outcomes
Author:
Inose HiroyukiORCID, Hirai Takashi, Yoshii Toshitaka, Kimura Atsushi, Takeshita Katsushi, Inoue Hirokazu, Maekawa Asato, Endo Kenji, Miyamoto Takuya, Furuya Takeo, Nakamura Akira, Mori Kanji, Kanbara Shunsuke, Imagama Shiro, Seki Shoji, Matsunaga Shunji, Okawa Atsushi
Abstract
Abstract
Background
Degenerative cervical myelopathy (DCM) can significantly impair a patient’s quality of life (QOL). In this study, we aimed to identify predictors associated with QOL improvement after surgery for DCM.
Methods
This study included 148 patients who underwent surgery for DCM. The European QOL-5 Dimension (EQ-5D) score, the Japanese Orthopedic Association for the assessment of cervical myelopathy (C-JOA) score, and the Nurick grade were used as outcome measures. Radiographic examinations were performed at enrollment. The associations of baseline variables with changes in EQ-5D scores from preoperative to 1-year postoperative assessment were investigated using a multivariable linear regression model.
Results
The EQ-5D and C-JOA scores and the Nurick grade improved after surgery (P < 0.001, P < 0.001, and P < 0.001, respectively). Univariable analysis revealed that preoperative EQ-5D and C-JOA scores were significantly associated with increased EQ-5D scores from preoperative assessment to 1 year after surgery (P < 0.0001 and P = 0.045). Multivariable regression analysis showed that the independent preoperative predictors of change in QOL were lumbar lordosis (LL), sacral slope (SS), and T1 pelvic angle (TPA). According to the prediction model, the increased EQ-5D score from preoperatively to 1 year after surgery = 0.308 − 0.493 × EQ-5D + 0.006 × LL − 0.008 × SS + 0.004 × TPA.
Conclusions
Preoperative LL, SS, and TPA significantly impacted the QOL of patients who underwent surgery for DCM. Less improvement in QOL after surgery was achieved in patients with smaller LL and TPA and larger SS values. Patients with these risk factors may therefore require additional support to experience adequate improvement in QOL.
Funder
the Japanese Health and Labor Sciences Research Grant.
Publisher
Springer Science and Business Media LLC
Subject
Public Health, Environmental and Occupational Health,General Medicine
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