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Langenfeld A, Gassner AP, Wirth B, Mühlemann MB, Nyirö L, Bastiaenen C, Swanenburg J. Responsiveness of the German version of the Neck Disability Index in chronic neck pain patients: a prospective cohort study with a seven-week follow-up. Arch Physiother 2022; 12:23. [PMID: 36244985 PMCID: PMC9575282 DOI: 10.1186/s40945-022-00149-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 07/20/2022] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
The need for an efficient and feasible strategy to deal with neck pain has a high priority for many countries. Validated assessment tools like the Neck Disability Index (NDI) to evaluate the functional status of a neck pain patient are urgently needed to treat and to follow-up patients purposefully. A German version (NDI-G) was shown to be valid and reliable, but has so far not been tested for responsiveness. The aim of this study was to evaluate the NDI-G`s responsiveness.
Methods
This was a prospective cohort study with a seven-week follow-up. Fifty chronic neck pain patients filled out NDI-G twice. Additionally, the Patients’ Global Impression of Change score (PGIC) was assessed at follow-up. Wilcoxon and Spearman tests were used to assess direction and strength of the association between the change in NDI-G and PGIC. The receiver operating characteristics method and the area under the curve (AUC) were calculated to assess sensitivity and specificity of the NDI-G change over time.
Results
The Wilcoxon test showed statistically significant differences for NDI-G at baseline and follow-up in the total sample, the “clinically improved” and “clinically not improved” subgroups as indicated in the PGIC. Spearman test resulted in a moderate correlation between the NDI-G and the PGIC (rS = -0.53, p = 0.01) at follow-up. AUC showed an acceptable discrimination [AUC = 0.78 (95% confidence interval 0.64 – 0.91)] of the NDI-G, with a cutoff score of 1.5, between clinically improved and clinically not improved patients, based on the PGIC.
Conclusions
The NDI-G is responsive to change in chronic neck pain. Together with the results of a previous study on its validity and reliability, the NDI-G can be recommended for research and clinical settings in patients with neck pain in German speaking countries.
Trial registration
NCT02676141. February 8, 2016.
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Nagoshi N, Yoshii T, Egawa S, Sakai K, Kusano K, Tsutsui S, Hirai T, Matsukura Y, Wada K, Katsumi K, Koda M, Kimura A, Furuya T, Maki S, Nishida N, Nagamoto Y, Oshima Y, Ando K, Nakashima H, Takahata M, Mori K, Nakajima H, Murata K, Miyagi M, Kaito T, Yamada K, Banno T, Kato S, Ohba T, Inami S, Fujibayashi S, Katoh H, Kanno H, Watanabe K, Taneichi H, Imagama S, Kawaguchi Y, Takeshita K, Nakamura M, Matsumoto M, Yamazaki M, Okawa A. Clinical Indicators of Surgical Outcomes After Laminoplasty for Patients With Cervical Ossification of the Posterior Longitudinal Ligament: A Prospective Multicenter Study. Spine (Phila Pa 1976) 2022; 47:1077-1083. [PMID: 35867608 DOI: 10.1097/brs.0000000000004359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 03/13/2022] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN A prospective multicenter study. OBJECTIVE This study aims to evaluate patient-reported outcomes using the Japanese Orthopedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ) and clarify clinical factors that affect the therapeutic effects for patients with cervical ossification of the posterior longitudinal ligament (OPLL). SUMMARY OF BACKGROUND DATA Although previous studies identified factors that affected the surgical outcomes, their assessment was mainly based on the Japanese Orthopedic Association score, which only includes neurological function. Investigating this pathology through multiple functions and quality of life (QOL) is pivotal to understanding the comprehensive clinical pictures of the cervical OPLL and its therapeutic outcomes. MATERIALS AND METHODS This study was performed by the Japanese Multicenter Research Organization for Ossification of the Spinal Ligament. A total of 478 patients with myelopathy caused by cervical OPLL from 28 institutions were prospectively registered from 2014 to 2017 and followed up for 2 years. Of the patients, 168 received laminoplasties and fully completed questionnaires. Demographic information, imaging findings, and clinical outcomes were collected. Patients were grouped according to effective or ineffective surgical outcomes as defined by the JOACMEQ using logistic regression analyses. RESULTS Laminoplasty resulted in functional improvement in the cervical spine and upper extremity around 40% of the patients, while QOL showed only 21.4% ( P <0.01). Multivariable analyses revealed that younger age and a postoperative decrease in arm or hand pain were correlated with significantly improved function of the upper extremities. A reduction in lower limb pain favorably affected the postoperative lower extremity function. A postoperative reduction in upper extremity pain enhanced the QOL recovery. CONCLUSIONS Surgeons should recognize the diversity of surgical outcomes after laminoplasty and understand the necessity of pain management even after the surgery to enhance bodily functions and QOL in patients with cervical OPLL.
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Affiliation(s)
- Narihito Nagoshi
- Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
| | - Toshitaka Yoshii
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Satoru Egawa
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kenichiro Sakai
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Saiseikai Kawaguchi General Hospital, Saitama, Japan
| | - Kazuo Kusano
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Kudanzaka Hospital, Chiyadaku, Japan
| | - Shunji Tsutsui
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Wakayama Medical University, Wakayama, Japan
| | - Takashi Hirai
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yu Matsukura
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kanichiro Wada
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Hirosaki University Graduate School of Medicine, Aomori, Japan
| | - Keiichi Katsumi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Niigata University Medical and Dental General Hospital, Niigata, Japan
| | - Masao Koda
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Atsushi Kimura
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedics, Jichi Medical University, Tochigi, Japan
| | - Takeo Furuya
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Satoshi Maki
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Norihiro Nishida
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Yamaguchi University Graduate School of Medicine, Yamaguchi, Japan
| | - Yukitaka Nagamoto
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Osaka Rosai Hospital, Osaka, Japan
| | - Yasushi Oshima
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kei Ando
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Hiroaki Nakashima
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Masahiko Takahata
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kanji Mori
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Shiga University of Medical Science, Tsukinowa-cho, Shiga, Japan
| | - Hideaki Nakajima
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedics and Rehabilitation Medicine, Faculty of Medical Sciences University of Fukui, Fukui, Japan
| | - Kazuma Murata
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Tokyo Medical University, Tokyo, Japan
| | - Masayuki Miyagi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Kitasato Universiy Hospital, Kanagawa, Japan
| | - Takashi Kaito
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Graduate School of Medicine, Osaka UniversityOsaka, Japan
| | - Kei Yamada
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Kurume University School of Medicine, Fukuoka, Japan
| | - Tomohiro Banno
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Satoshi Kato
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Tetsuro Ohba
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, University of Yamanashi, Yamanashi, Japan
| | - Satoshi Inami
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Shunsuke Fujibayashi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroyuki Katoh
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Surgical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Haruo Kanno
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Tohoku University School of Medicine, Miyagi, Japan
| | - Kota Watanabe
- Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
| | - Hiroshi Taneichi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopaedic Surgery, Dokkyo Medical University School of Medicine, Tochigi, Japan
| | - Shiro Imagama
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Nagoya University Graduate School of Medicine, Nagoya, Aichi, Japan
| | - Yoshiharu Kawaguchi
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Katsushi Takeshita
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedics, Jichi Medical University, Tochigi, Japan
| | - Masaya Nakamura
- Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
| | - Morio Matsumoto
- Department of Orthopaedic Surgery, Keio University School of Medicine, Tokyo, Japan
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
| | - Masashi Yamazaki
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Atsushi Okawa
- Japanese Multicenter Research Organization for Ossification of the Spinal Ligament, Japan
- Department of Orthopedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan
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Mjåset C, Zwart JA, Kolstad F, Solberg T, Grotle M. Clinical improvement after surgery for degenerative cervical myelopathy; A comparison of Patient-Reported Outcome Measures during 12-month follow-up. PLoS One 2022; 17:e0264954. [PMID: 35259164 PMCID: PMC8903279 DOI: 10.1371/journal.pone.0264954] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 02/18/2022] [Indexed: 11/28/2022] Open
Abstract
OBJECT Although many patients report clinical improvement after surgery due to degenerative cervical myelopathy, the aim of intervention is to stop progression of spinal cord dysfunction. We wanted to provide estimates and assess achievement rates of Minimal Clinically Important Difference (MCID) at 3- and 12-month follow-up for Neck Disability Index (NDI), Numeric Rating Scale for arm pain (NRS-AP) and neck pain (NRS-NP), Euro-Qol (EQ-5D-3L), and European Myelopathy Score (EMS). METHODS 614 degenerative cervical myelopathy patients undergoing surgery responded to Patient-Reported Outcome Measures (PROMs) prior to, 3 and 12 months after surgery. External criterion was the Global Perceived Effect Scale (1-7), defining MCID as "slightly better", "much better" and "completely recovered". MCID estimates with highest sensitivity and specificity were calculated by Receiver Operating Curves for change and percentage change scores in the whole sample and in anterior and posterior procedural groups. RESULTS The NDI and NRS-NP percentage change scores were the most accurate PROMs with a MCID of 16%. The change score for NDI and percentage change scores for NDI, NRS-AP and NRS-NP were slightly higher in the anterior procedure group compared to the posterior procedure group, while remaining PROM estimates were similar across procedure type. The MCID achievement rates at 12-month follow-up ranged from 51% in EMS to 62% in NRS-NP. CONCLUSION The NDI and NRS-NP percentage change scores were the most accurate PROMs to measure clinical improvement after surgery for degenerative cervical myelopathy. We recommend using different cut-off estimates for anterior and posterior approach procedures. A MCID achievement rate of 60% or less must be interpreted in the perspective that the main goal of surgery for degenerative cervical myelopathy is to prevent worsening of the condition.
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Affiliation(s)
- Christer Mjåset
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Neurosurgery, Oslo University Hospital, Oslo, Norway
- Department of Research and Innovation, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
| | - John-Anker Zwart
- Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Research and Innovation, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
| | - Frode Kolstad
- Department of Neurosurgery, Oslo University Hospital, Oslo, Norway
| | - Tore Solberg
- Institute of Clinical Medicine, The Arctic University of Norway, Tromsø, Norway
- Department of Neurosurgery, The University Hospital of North Norway, Tromsø, Norway
- The Norwegian Registry for Spine Surgery, The University Hospital of North Norway, Tromsø, Norway
| | - Margreth Grotle
- Department of Research and Innovation, Division of Clinical Neuroscience, Oslo University Hospital, Oslo, Norway
- Department of Physiotherapy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
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Yao M, Li ZJ, Zhu B, Xu BP, Zhu S, Pan YF, Wang XT, Tian ZR, Deng Z, Ye J, Wang YJ, Cui XJ. Simplified Chinese version of the Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire: cross-cultural adaptation, reliability, and validity for patients with cervical spondylotic myelopathy. Disabil Rehabil 2020; 44:1516-1523. [PMID: 33016146 DOI: 10.1080/09638288.2020.1822931] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE This study aimed to validate the simplified Chinese version of the Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire (JOACMEQ) for Chinese patients with cervical spondylotic myelopathy (CSM). METHODS The construct validity was conducted using confirmatory factor analysis (CFA). The convergent validity was based on factor loading, composite reliability (CR), and Pearson correlation coefficients (r). Internal consistency reliability was evaluated using Cronbach's α, test-retest reliability using intraclass correlation coefficients (ICC), and the ceiling and floor effects were also examined. RESULTS A total of 168 native Chinese-speaking patients were enrolled. The CFA indicated that construct validity did not meet the preset criteria to be considered as good. Except for Q 4-1, the factor loading was higher than the standard of 0.5, and the CR values ranged from 0.70 to 0.85. Strong to moderate correlations were found between other scales and the simplified Chinese JOACMEQ. The scale showed good internal consistency reliability (Cronbach's α 0.639-0.821), and test-retest reliability (ICC 0.760-0.916). Moreover, the ceiling effect was displayed from Q1 to Q4. CONCLUSIONS This study indicates that the simplified Chinese JOACMEQ is a reliable and valid measure of the functional status among Chinese patients with CSM.IMPLICATIONS FOR REHABILITATIONThe JOACMEQ was translated into the simplified Chinese and culturally adapted for Chinese-speaking patients with CSM for the first time.The simplified JOACMEQ demonstrated an excellent level of internal consistency and good test-retest reliability.The simplified Chinese JOACMEQ was reliable and valid for the measurement of the functional status among the patients with CSM.
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Affiliation(s)
- Min Yao
- Institute of Spine Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhen-Jun Li
- Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Bin Zhu
- Liuzao Community Health Service Center, Shanghai, China
| | - Bao-Ping Xu
- Traditional Chinese Hospital of Lu'an, Anhui University of Traditional Chinese Medicine, Anhui, China
| | - Sen Zhu
- Gongli Hospital of Shanghai Pudong New Area, The Second Military Medical University, Shanghai, China
| | - Yan-Fang Pan
- General Hospital of Tibet Military Region, Lasa, China
| | | | - Zi-Rui Tian
- Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Zhen Deng
- Shanghai Baoshan Hospital of Intergated Traditional Chinese and Western Medicine, Shanghai, China
| | - Jie Ye
- Orthopedics and Traumatology, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yong-Jun Wang
- Institute of Spine Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xue-Jun Cui
- Institute of Spine Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Key Laboratory of Theory and Therapy of Muscles and Bones, Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Reliability and validity of multi-shot DWI in diagnosis of cervical spondylotic myelopathy: a study based on 3-T MRI. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2020; 29:1219-1226. [PMID: 32246233 DOI: 10.1007/s00586-020-06381-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 02/25/2020] [Accepted: 03/15/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVE To investigate whether multi-shot diffusion-weighted imaging (ms-DWI) could be applied in diagnosis and quantitative evaluation of cervical spondylotic myelopathy (CSM). METHODS Thirty-three normal volunteers and 78 patients with CSM were included in this study. The apparent diffusion coefficient (ADC) values were measured at C2-C7 levels on sagittal section ADC map. The intraclass correlation coefficient (ICC) and Bland and Altman plot and Spearman coefficient were used to quantify the reproducibility of test and retest and inter-rater reliability. Pearson correlations were calculated to compare lADC and rADC versus mJOA and NDI scores. Receiver operating characteristic curve and the area under the curve (AUC) were applied to evaluate the diagnostic reliability. RESULTS There was no statistically significant difference between ADC values obtained from normal volunteers at C2-C7 levels (P < 0.05). The ICC and spearman coefficient of lADC and rADC indicated excellent test-retest and inter-rater reliability. The mean lADC and rADC were significantly higher from patients than that from volunteers (all P < 0.01). The lADC had moderate to good correlations with mJOA and NDI (all P < 0.0001). Moreover, rADC had good to excellent correlations with mJOA and NDI (all P < 0.0001). Comparing AUCs, rADC was significantly superior in diagnosis which participants were CSM than lADC (P = 0.0118). CONCLUSION The ms-DWI could be applied in diagnosis and quantitive assessment of CSM according to lADC and rADC. A new parameter, rADC, could be served as a diagnostic indice for CSM, which may quantitively reflect the severity of CSM. These slides can be retrieved under Electronic Supplementary Material.
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Pepke W, Almansour H, Richter M, Akbar M. [Spondylotic cervical myelopathy : Indication of surgical treatment]. DER ORTHOPADE 2019; 47:474-482. [PMID: 29651521 DOI: 10.1007/s00132-018-3566-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND The pathogenesis of cervical spondylotic myelopathy (CSM) is often multifactorial. Hence, the treatment of this disease requires a differentiated surgical approach in order to adequately address the underlying pathology. PURPOSE The aim of this review is to identify factors that influence the choice of treatment strategy and to summarize them in an algorithm that serves as a decision aid in choosing the optimal indication for surgical treatment. An attempt is made to define the threshold values for the indication of surgical treatment and to discuss the ideal timing for performing surgery. MATERIALS AND METHODS On the basis of the published data, the influencing factors on the prognosis of CSM, as well as surgical approaches are discussed. RESULTS Circumferential spinal cord compression, a sharply defined myelopathy signal in the T2-weighted MRI sequence, and segmental instability at the level of the myelopathy signal mean an unfavorable prognosis for the worsening of CSM. The most important factors that influence the choice of the surgical access point are the sagittal profile of the cervical spine, the extent of myelopathy, the extent of stenosis, and the location of the myelopathy-inducing pathology. Previously existing neck pain and prior cervical surgery must also be considered. DISCUSSION On the basis of the research carried out, we developed an algorithm that could serve as an aid in choosing the right treatment in the setting of cervical spondylotic myelopathy.
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Affiliation(s)
- W Pepke
- Zentrum für Wirbelsäulenchirurgie, Klinik für Orthopädie, Unfallchirurgie und Paraplegiologie, Universitätsklinikum Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland.
| | - H Almansour
- Zentrum für Wirbelsäulenchirurgie, Klinik für Orthopädie, Unfallchirurgie und Paraplegiologie, Universitätsklinikum Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland
| | - M Richter
- Wirbelsäulenzentrum, St. Josefs-Hospital, Beethovenstr. 20, 65189, Wiesbaden, Deutschland
| | - M Akbar
- Zentrum für Wirbelsäulenchirurgie, Klinik für Orthopädie, Unfallchirurgie und Paraplegiologie, Universitätsklinikum Heidelberg, Schlierbacher Landstr. 200a, 69118, Heidelberg, Deutschland
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Lin IS, Lai DM, Ding JJ, Chien A, Cheng CH, Wang SF, Wang JL, Kuo CL, Hsu WL. Reweighting of the sensory inputs for postural control in patients with cervical spondylotic myelopathy after surgery. J Neuroeng Rehabil 2019; 16:96. [PMID: 31345240 PMCID: PMC6659243 DOI: 10.1186/s12984-019-0564-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 07/04/2019] [Indexed: 11/22/2022] Open
Abstract
Background Cervical spondylotic myelopathy (CSM) is a degenerative cervical disease in which the spinal cord is compressed. Patients with CSM experience balance disturbance because of impaired proprioception. The weighting of the sensory inputs for postural control in patients with CSM is unclear. Therefore, this study investigated the weighting of sensory systems in patients with CSM. Method Twenty-four individuals with CSM (CSM group) and 24 age-matched healthy adults (healthy control group) were analyzed in this observational study. The functional outcomes (modified Japanese Orthopaedic Association Scale [mJOA], Japanese Orthopaedic Association Cervical Myelopathy Questionnaire [JOACMEQ], Nurick scale) and static balance (eyes-open and eyes-closed conditions) were assessed for individuals with CSM before surgery, 3 and 6 months after surgery. Time-domain and time–frequency-domain variables of the center of pressure (COP) were analyzed to examine the weighting of the sensory systems. Results In the CSM group, lower extremity function of mJOA and Nurick scale significantly improved 3 and 6 months after surgery. Before surgery, the COP mean velocity and total energy were significantly higher in the CSM group than in the control group for both vision conditions. Compared with the control group, the CSM group exhibited lower energy content in the moderate-frequency band (i.e., proprioception) and higher energy content in the low-frequency band (i.e., cerebellar, vestibular, and visual systems) under the eyes-open condition. The COP mean velocity of the CSM group significantly decreased 3 months after surgery. The energy content in the low-frequency band (i.e., visual and vestibular systems) of the CSM group was closed to that of the control group 6 months after surgery under the eyes-open condition. Conclusion Before surgery, the patients with CSM may have had compensatory sensory weighting for postural control, with decreased weighting on proprioception and increased weighting on the other three sensory inputs. After surgery, the postural control of the patients with CSM improved, with decreased compensation for the proprioceptive system from the visual and vestibular inputs. However, the improvement remained insufficient because the patients with CSM still had lower weighting on proprioception than the healthy adults did. Therefore, patients with CSM may require balance training and posture education after surgery. Trial registration Trial Registration number: NCT03396055 Name of the registry: ClinicalTrials.gov Date of registration: January 10, 2018 - Retrospectively registered Date of enrolment of the first participant to the trial: October 19, 2015
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Affiliation(s)
- Iu-Shiuan Lin
- School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Floor 3, No. 17, Xuzhou Rd., Zhongzheng District, Taipei, Taiwan.,Division of Physical Therapy, Department of Physical Medicine and Rehabilitation, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Dar-Ming Lai
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Jian-Jiun Ding
- Graduate Institute of Communication Engineering, College of Electrical Engineering and Computer Science, National Taiwan University, Taipei, Taiwan
| | - Andy Chien
- Department of Physical Therapy, Graduate Institute of Rehabilitation Science, China Medical University, Taichung, Taiwan
| | - Chih-Hsiu Cheng
- School of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Shwu-Fen Wang
- School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Floor 3, No. 17, Xuzhou Rd., Zhongzheng District, Taipei, Taiwan.,Physical Therapy Center, National Taiwan University Hospital, Taipei, Taiwan
| | - Jaw-Lin Wang
- Department of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, Taipei, Taiwan
| | - Chi-Lin Kuo
- Department of Surgery, National Taiwan University Hospital, Taipei, Taiwan
| | - Wei-Li Hsu
- School and Graduate Institute of Physical Therapy, College of Medicine, National Taiwan University, Floor 3, No. 17, Xuzhou Rd., Zhongzheng District, Taipei, Taiwan. .,Physical Therapy Center, National Taiwan University Hospital, Taipei, Taiwan.
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Kato S, Oshima Y, Matsubayashi Y, Taniguchi Y, Tanaka S, Takeshita K. Minimum clinically important difference in outcome scores among patients undergoing cervical laminoplasty. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2019; 28:1234-1241. [DOI: 10.1007/s00586-019-05945-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 02/17/2019] [Accepted: 03/06/2019] [Indexed: 01/22/2023]
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Nagoshi N, Tsuji O, Okada E, Fujita N, Yagi M, Tsuji T, Nakamura M, Matsumoto M, Watanabe K. Clinical indicators of surgical outcomes after cervical single open-door laminoplasty assessed by the Japanese Orthopaedic Association Cervical Myelopathy Evaluation Questionnaire. Spinal Cord 2019; 57:644-651. [DOI: 10.1038/s41393-019-0258-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 01/19/2019] [Accepted: 01/24/2019] [Indexed: 11/09/2022]
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Fujimori T, Miwa T, Oda T. Responsiveness of the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire in lumbar surgery and its threshold for indicating clinically important differences. Spine J 2019; 19:95-103. [PMID: 29792993 DOI: 10.1016/j.spinee.2018.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 04/11/2018] [Accepted: 05/16/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Introduced in 2007, the Japanese Orthopaedic Association Back Pain Evaluation Questionnaire (JOABPEQ) has been widely used, but its psychometric properties have not been well studied. PURPOSE The objective of this study was to assess the responsiveness of the JOABPEQ in lumbar surgery and its threshold for indicating clinically important differences. STUDY DESIGN This is a prospective study. PATIENT SAMPLE Two hundred three consecutive patients underwent lumbar surgeries between July 2013 and November 2015 in a single hospital. Of the 203 patients, 181 patients who completed 1 year of follow-up were included. OUTCOME MEASURES Before and after surgery, the patients were asked to complete the questionnaire, including JOABPEQ, the 8-Item Short Form Health Survey (SF-8), and EuroQol-5D (EQ-5D). The participants were divided into five anchoring groups, ranging from "much better" to "much worse," according to reports from both physicians and patients. MATERIALS AND METHODS The responsiveness of measures was compared among five domains of the JOABPEQ ("low back pain," "walking ability," "lumbar function," "social function," and "mental health"), two domains of the SF-8 (the physical component summary [PCS] and the mental component summary [MCS]), and the EQ-5D. The responsiveness was assessed by the paired t test, the effect size, and the standardized response mean. The Spearman rank correlation coefficient and the receiver operating characteristic (ROC) curve were assessed using the five anchoring groups as external criteria. The clinically important differences, based on the ROC curve, were assessed. RESULTS Walking ability was most responsive, followed by low back pain and the PCS. The MCS was least responsive, followed by mental health and lumbar function. Social function and the EQ-5D had intermediate-level responsiveness. The substantial clinically important differences occurred at 20 points for low back pain and lumbar function, 23 points for walking ability, 14 points for social function, and 8 points for mental health. CONCLUSIONS The JOABPEQ domains are responsive measures in patients who undergo lumbar surgery. For physical function, the threshold for substantial clinically important differences was approximately 20 points for the JOABPEQ.
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Affiliation(s)
- Takahito Fujimori
- Department of Orthopedic Surgery, Japan Community Healthcare Organization, Osaka Hospital, 4-2-78 Fukushimaku, Fukushima, Osaka 553-0003, Japan; Department of Orthopedic Surgery, Sumitomo Hospital, 5-3-20 Kitaku Nakanoshima, Osaka, Osaka 530-0005, Japan.
| | - Toshitada Miwa
- Department of Orthopedic Surgery, Sumitomo Hospital, 5-3-20 Kitaku Nakanoshima, Osaka, Osaka 530-0005, Japan
| | - Takenori Oda
- Department of Orthopedic Surgery, Sumitomo Hospital, 5-3-20 Kitaku Nakanoshima, Osaka, Osaka 530-0005, Japan; Department of Orthopedic Surgery, Osaka Minami Medical Center, 2-1 Kidohigashimachi, Kawachinagano, Osaka, Japan
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Abstract
STUDY DESIGN Review of the 2011 to 2015 minimum clinically important difference (MCID)-related publications in Spine, Spine Journal, Journal of Neurosurgery-Spine, and European Spine Journal. OBJECTIVE To summarize the various determinations of MCID and to analyze its usage in the spine literature of the past 5 years in order to develop a basic reference to help practitioners interpret or utilize MCID. SUMMARY OF BACKGROUND DATA MCID represents the smallest change in a domain of interest that is considered beneficial to a patient or clinician. The many sources of variation in calculated MCID values and inconsistency in its utilization have resulted in confusion in the interpretation and use of MCID. METHODS All articles from 2011 to 2015 were reviewed. Only clinical science articles utilizing patient reported outcome scores (PROs) were included in the analysis. A keyword search was then performed to identify articles that used MCID. MCID utilization in the selected papers was characterized and recorded. RESULTS MCID was referenced in 264/1591 (16.6%) clinical science articles that utilized PROs: 22/264 (8.3%) independently calculated MCID values and 156/264 (59.1%) used previously published MCID values as a gauge of their own results. Despite similar calculation methods, there was a two- or three-fold range in the recommended MCID values for the same instrument. Half the studies recommended MCID values within the measurement error. Most studies (97.2%) using MCID to evaluate their own results relied on generic MCID. The few studies using specific MCID (MCID calculated for narrowly defined indications or treatments) did not consistently match the characteristics of their sample to the specificity of the MCID. About 48% of the studies compared group averages instead of individual scores to the MCID threshold. CONCLUSION Despite a clear interest in MCID as a measure of patient improvement, its current developments and uses have been inconsistent. LEVEL OF EVIDENCE N/A.
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