Global Spine Journal最新文献

{"title":"Assessment of the Postoperative Progression in Patients With Intramedullary Spinal Cord Tumors Based on the Severity of Preoperative Gait Disturbance.","authors":"Toshiki Okubo, Narihito Nagoshi, Takahito Iga, Kazuki Takeda, Masahiro Ozaki, Satoshi Suzuki, Morio Matsumoto, Masaya Nakamura, Kota Watanabe","doi":"10.1177/21925682241289900","DOIUrl":"10.1177/21925682241289900","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective comparative study.</p><p><strong>Objectives: </strong>This study aimed to determine whether the severity of preoperative gait disturbance remains after surgical resection in patients with intramedullary spinal cord tumors (IMSCTs), and to identify any factors influencing poor improvement in postoperative gait disturbance.</p><p><strong>Methods: </strong>The study included a total of 128 patients with IMSCTs requiring surgical excision between 2006 and 2019. Based on the degree of preoperative gait disturbance assessed by the modified McCormick scale (MMCS) grade, patients were categorized into Mild (I-II) and Severe (III-V) groups. The mean postoperative follow-up period was 55.5 ± 34.3 months, and demographic and surgical characteristics were compared between the two groups.</p><p><strong>Results: </strong>Significant differences were observed in age at surgery, tumor location, tumor size, estimated blood loss, intraoperative motor-evoked potential disappearance, extent of resection, and tumor histopathology between the Mild and Severe groups. In the Mild group, at the final follow-up, only 7.3% of patients experienced improvement, 56.0% showed no changes, and 36.7% experienced deterioration. Conversely, in the Severe group, 26.3% of patients experienced improvement, 31.6% showed no changes, and 42.1% experienced deterioration. Tumor location and age at surgery were identified as factors correlated with poor improvement in postoperative gait disturbance in the Mild group.</p><p><strong>Conclusions: </strong>Irrespective of the preoperative gait disturbance degree, approximately 40% of patients with IMSCTs experienced deterioration in gait after tumor resection. For preoperative MMCS grade I-II cases, older age at surgery and thoracic IMSCTs would be important factors associated with poor improvement in postoperative gait disturbance.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"AO Spine-DGOU Osteoporotic Fracture Classification System: Internal Validation by the AO Spine Knowledge Forum Trauma.","authors":"Julian Scherer, Andrei Joaquim, Alex Vaccaro, Rishi Kanna, Mohammad El-Sharkawi, Masahiko Takahata, Mohamed M Aly, Gaston Camino-Willhuber, Ulrich Spiegl, Cumhur Oner, Jose A Canseco, Ratko Yurac, Lorin Michael Benneker, Eugen Cezar Popescu, Richard Bransford, Harvinder Singh Chhabra, Frank Kandziora, Marko H Neva, Klaus John Schnake","doi":"10.1177/21925682241288187","DOIUrl":"10.1177/21925682241288187","url":null,"abstract":"<p><strong>Study design: </strong>Cross-sectional survey.</p><p><strong>Objectives: </strong>Injury classifications are important tools to identify fracture patterns, guide treatment-decisions and aid to identify optimal treatment plans. The AO Spine-DGOU Osteoporotic Fracture (OF) classification system was developed, and the aim of this study was to assess the reliability of this new classification system.</p><p><strong>Methods: </strong>23 Members of the AO Spine Knowledge Forum Trauma participated in the validation process. Participants were asked to rate 33 cases according to the OF classification at 2 time points, 4 weeks apart (assessment 1 and 2). The kappa statistic (κ) was calculated to assess inter-observer reliability and intra-rater reproducibility. The gold master key for each case was determined by approval of at least 5 out of 7 members of the DGOU.</p><p><strong>Results: </strong>A total of 1386 ratings (21 raters) were performed. The overall inter-rater agreement was moderate with a combined kappa statistic for the OF classification of 0.496 in assessment 1 and 0.482 in assessment 2. The combined percentage of correct ratings (compared to gold-standard) in assessment 1 was 71.4% and 67.4% in assessment 2. The average intra-rater reproducibility was substantial (κ = 0.74, median 0.76, range 0.55 to 1.00, SD 0.13) for the assessed fracture types.</p><p><strong>Conclusions: </strong>The assessed overall inter-rater reliability was moderate and substantial in some instances. The average intra-rater reproducibility is substantial. It seems that appropriate training of the classification system can enhance inter- and intra-rater reliability.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transforaminal Endoscopic Decompression Alone Versus Limited Decompression/Fusion in the Treatment of Adult Degenerative Scoliosis: A Retrospective Study.","authors":"Yao Zhang, Wancheng Lin, Xin Lian, Lixiang Ding, Jipeng Song","doi":"10.1177/21925682241288189","DOIUrl":"10.1177/21925682241288189","url":null,"abstract":"<p><strong>Study design: </strong>A retrospective study.</p><p><strong>Objectives: </strong>To investigate and compare the clinical and radiographical outcomes of endoscopic decompression alone and limited decompression/fusion surgery in the treatment of adult degenerative scoliosis (ADS).</p><p><strong>Methods: </strong>Follow-up data of 53 patients with lower limb radiculopathy associated with ADS who underwent focal surgical treatment were collected (endoscope group: 31 patients treated by transforaminal endoscopic decompression alone; fusion group: 22 patients who underwent limited decompression/fusion). The following data were retrospectively analyzed and compared between the two group: the demographics, Lenke-Silva level, radiographic parameters, surgical data, visual analogue scale (VAS) for back/leg pain, the Oswestry disability index (ODI), and the modified MacNab criteria.</p><p><strong>Results: </strong>The mean follow-up period was 15.68 ± 3.26 months. The most frequent Lenke-Silva level was I in the endoscope group, and III in the fusion group. Preoperative Cobb angle in the endoscope group was significantly lower than that in the fusion group (23.92 ± 9.06 vs 39.58 ± 13.12, <i>P</i> < 0.05). All patients exhibited improved VAS and ODI scores postoperatively (<i>P</i> < 0.05). At the last follow-up, the Cobb angle had progressed by 1.51° in the endoscope group, whereas radiographic parameters were significantly improved in the fusion group. The reoperation and complication rate in the endoscope group were lower than those in the fusion group. The satisfaction rate post-surgery was comparable between the two groups.</p><p><strong>Conclusions: </strong>For patients with focal ADS, both limited decompression/fusion and transforaminal endoscopic decompression are viable treatment options. Advanced transforaminal endoscopic techniques enable effective decompression of the symptomatic foramen with minimal complication risk and negligible deformity progression, even in cases of significant scoliosis. While limited fusion surgery can achieve comparable clinical outcomes, it offers inferior deformity correction.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Influence of Wait Time on Surgical Outcomes in Elective Lumbar Degenerative Spine Conditions: A Retrospective Multicentre Cohort Study.","authors":"Michael Bond, Raphaële Charest-Morin, John Street, Charles Fisher, Nicolas Dea, Supriya Singh, Jerome Paquet, Edward Abraham, Christopher Bailey, Michael Weber, Andrew Nataraj, Najmedden Attabib, Adrienne Kelly, Raja Rampersaud, Neil Manson, Phillippe Phan, Ken Thomas, Alex Soroceanu, Bernard LaRue, Henry Ahn, Travis Marion, Sean Christie, Andrew Glennie, Wang Zhi, Hamilton Hall, Jason M Sutherland","doi":"10.1177/21925682241287463","DOIUrl":"10.1177/21925682241287463","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective cohort study.</p><p><strong>Objectives: </strong>The impact of delayed access to operative treatment on patient reported outcomes (PROs) for lumbar degenerative conditions remains unclear. The goal of this study is to evaluate the association between wait times for elective lumbar spine surgery and post-operative PROs.</p><p><strong>Methods: </strong>This study is a retrospective analysis of patients surgically treated for a degenerative lumbar conditions. Wait times were calculated from primary care referral to surgery, termed the cumulative wait time (CWT). CWT benchmarks were created at 3, 6 and 12 months. A multivariable logistic regression model was used to measure the associations between CWT and meeting the minimally clinically important difference (MCID) for the Oswestry Disability Index (ODI) score at 12 months post-operatively.</p><p><strong>Results: </strong>A total of 2281 patients were included in the study cohort. The average age was 59.4 years (SD 14.8). The median CWT was 43.1 weeks (IQR 17.8 - 60.6) and only 30.9% had treatment within 6 months. Patients were more likely achieve the MCID for the ODI at 12 months post-operatively if they had surgery within 6 months of referral from primary care (OR 1.22; 95% CI 1.11 - 1.34). This relationship was also found at a benchmark CWT time of 3 months (OR 1.33; 95% CI 1.15 - 1.54) though not at 12 months (OR 1.08; 95% CI 0.97 - 1.20).</p><p><strong>Conclusions: </strong>Patients who received operative treatment within a 3- and 6-month benchmark between referral and surgery were more likely to experience noticeable improvement in post-operative function.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"K-Line Tilt May Influence the Short-Term Surgical Outcomes After Laminoplasty in Patients With Degenerative Cervical Myelopathy.","authors":"Qifei Duan, Jianxiong Zhuang, Shuaihao Huang, Xiaoqing Zheng, Xiaoping Wang, Yunbing Chang","doi":"10.1177/21925682241288202","DOIUrl":"10.1177/21925682241288202","url":null,"abstract":"<p><strong>Study design: </strong>A retrospective study.</p><p><strong>Objectives: </strong>To explore the relationship between K-line tilt and short-term surgical outcomes following laminoplasty in patients with multilevel degenerative cervical myelopathy (DCM), and to evaluate the potential of K-line tilt as a reliable preoperative predictor.</p><p><strong>Methods: </strong>A retrospective analysis was performed for 125 consecutive patients who underwent laminoplasty for multilevel DCM. The radiographic parameters utilized in this study encompassed T1 slope (T1S), C2-C7 lordosis (CL), C2-C7 sagittal vertical axis (cSVA), T1 slope minus C2-C7 lordosis (T1S-CL), C2-C7 range of motion (ROM), and K-line tilt. The neurological recovery was evaluated using the Japanese Orthopaedic Association (JOA) score. Pearson correlation coefficients were calculated to assess the relationship between K-line tilt and other classical cervical parameters. Logistic regression analysis was employed to examine the association between K-line tilt and surgical outcomes.</p><p><strong>Results: </strong>Of the 125 patients, 89 were men. The mean age of the patients was 61.74 ± 11.31 years. The results indicated a correlation between the K-line tilt and the cSVA (<i>r</i> = 0.628, <i>P</i> < 0.001), T1S (<i>r</i> = 0.259, <i>P</i> = 0.004), and T1S-CL (<i>r</i> = 0.307, <i>P</i> < 0.001). The K-line tilt showed an association with the failure of the JOA recovery rate (RR) to reach the minimal clinically important difference (MCID) and the occurrence of postoperative kyphotic deformity. We identified cutoff values for the K-line tilt which predict the failure of the JOA RR to reach the MCID and postoperative kyphotic deformity as 10.13° and 9.93°, respectively.</p><p><strong>Conclusions: </strong>The K-line tilt is an independent preoperative risk factor associated with both the failure of the JOA RR to reach the MCID and the occurrence of postoperative kyphotic deformity in patients with multilevel DCM after laminoplasty.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prognostic Factors for Outcome of Fusion Surgery in Patients With Chronic Low Back Pain - A Systematic Review.","authors":"Rinse J Meester, Wilco C H Jacobs, Maarten Spruit, Robert Jan Kroeze, Miranda L van Hooff","doi":"10.1177/21925682241286031","DOIUrl":"10.1177/21925682241286031","url":null,"abstract":"<p><strong>Study design: </strong>Systematic review.</p><p><strong>Objective: </strong>This systematic review aims to identify prognostic factors, encompassing biomedical and psychosocial variables, linked to outcome of fusion surgery for chronic low back pain (CLBP) in single or two-level lumbar degenerative spinal disorders. Identifying these factors is crucial for decision making and therefore long-term treatment outcome.</p><p><strong>Methods: </strong>A systematic search (PROSPERO ID: CRD4202018927) from January 2010 to October 2022 was conducted, utilizing Medline, Embase, and the Cochrane Database of Systematic Reviews (CDSR, CENTRAL). Prognostic factors associated with various outcomes, including functional status, back and leg pain, health-related quality of life, complications, return to work, and analgesic use, were assessed. Risk of bias was determined using QUIPS, and the quality of evidence was evaluated using GRADE approach.</p><p><strong>Results: </strong>Of the 9852 initially screened studies, eleven studies (n = 16,482) were included in the analysis. In total, 161 associations were identified, with 67 prognostic factors showing statistical significance (<i>P</i> < 0.05). Thirty associations were supported by two or more studies, and only eight associations were eligible for meta-analyses: female gender remained statistically significant associated with decreased postoperative back pain, but negatively associated with complication rates and functional status, and smoking with increased postoperative back pain.</p><p><strong>Conclusion: </strong>Only female gender and smoking were consistently associated with outcome of fusion for CLBP. Most of the included studies exhibited low to moderate methodological quality, which may explain the relatively weak associations identified for the assessed prognostic factors.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142284333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"What if You Could Treat the Same Patient Again, Would You do the Exact Same Spine Surgery? A Multi-Surgeon Survey of Their Own Revisions","authors":"Connor Sheehan, Ayman Mohamed, Frank Schwab, Douglas Burton, David Okonkwo, Robert Eastlack, Han J. Kim, Eric Klineberg, KoJo Hamilton, Shay Bess, Renaud Lafage, Virginie Lafage","doi":"10.1177/21925682241286445","DOIUrl":"https://doi.org/10.1177/21925682241286445","url":null,"abstract":"Study DesignCase-based survey.ObjectivesThis study aims to investigate what a group of surgeons learned from their own revisions, and what they would do differently today.MethodsA multi-center database of ASD surgical patients was queried to identify those with at least 2 surgical procedures performed by the same surgeon between 2009 and 2019. A clinical vignette was created for each case including demographics, a timeline of events, radiographs/measurements, patient-reported outcomes, complications, and surgical strategies used for the index and revision surgeries. The operative surgeon was then asked to fill out a five-question survey aimed at determining factors that contribute to operative decision-making and planning.Results86 patients were operated on by 6 participating surgeons for both index and revision ASD surgery. The revised patients had similar follow-up compared to the non-revised group ( P = 0.73), with the most common complications indicating a need for revision surgery being proximal junctional failure (42%) and pseudoarthrosis (28%). Surgeons reported that they would not change their surgical strategy in 52.3% of the cases. The leading cause for revision was hardware/instrumentation issues (24.4%). Learning points included rod-related choice (23.3%), level selection (19.8), PJF prophylactic strategy (15.1%), and sagittal alignment objective (11.6%).ConclusionsSurgeons saw opportunity in nearly half of the cases to improve outcomes by changing something in the original surgery. While 40% of the failures remained unexplained from the surgeons’ perspective, this study highlights the capacity for adopting changes in adult spinal deformity surgery and illuminates the reasoning behind certain surgical decisions.","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Waterpipe Smoking and Lumbar Intervertebral Disc Degeneration: A Pilot Study","authors":"Hala Ishak, Tarek P. Sunna, Sara A. Assaf, Hanin Banna, Riad A. Khouzami, Zhi Wang, Ghazi Zaatari, Diana Rahme, Carine J. Sakr","doi":"10.1177/21925682241286451","DOIUrl":"https://doi.org/10.1177/21925682241286451","url":null,"abstract":"Study DesignRetrospective study.ObjectiveThe objective of this study is to investigate the association of waterpipe smoking with lumbar intervertebral disc degeneration (IVDD).MethodsThis is a retrospective chart review study. A total of 286 adults who underwent a lumbar magnetic resonance imaging (MRI) at a tertiary medical center were included and divided into three groups. Group 1 (n = 125) included non-smokers, group 2 (n = 80) smoked cigarettes only, and group 3 (n = 81) smoked waterpipe only. The intervertebral discs were graded using the Pfirmann disc degeneration grading system.ResultsThe study showed higher lumbar disc degeneration scores for waterpipe and cigarette smokers compared to non-smokers at all spinal levels. Specifically, post hoc analysis showed that there was a significant difference at L1-L2 between cigarette smokers and non-smokers ( P = 0.007) and between waterpipe smokers and non-smokers ( P = 0.013), and a significant difference at L3-L4 and L4-L5 between non-smokers and cigarettes smokers ( P &lt; .001 and P = .029 respectively).ConclusionWaterpipe smoking is associated with lumbar intervertebral disc degeneration.","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk Factors for Sacroiliac Joint Fusion after Instrumented Spinal Fusion.","authors":"Peter Z Du, Gurmit Singh, Spencer Smith, Travis Philipp, Jonathan Kark, Clifford Lin, Jung U Yoo","doi":"10.1177/21925682241286458","DOIUrl":"10.1177/21925682241286458","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective Cohort Study.</p><p><strong>Objective: </strong>To identify risk factors for sacroiliac (SI) joint fusion after instrumented spinal fusion.</p><p><strong>Methods: </strong>Patients were identified from the PearlDiver BiscayneBay database. Patients who underwent 1 level (CPT: 22840), 3-6 vertebral segment (22842), and 7+ vertebral segment spinal fusions (22843 and 22844) were identified. Patients were separated based on whether they received an SI joint fusion (27280 and 27279) after their spinal fusion. A univariate analysis and multivariate logistic regression was performed to evaluate the associations between patient factors and incidence of SI joint fusion.</p><p><strong>Results: </strong>549,625 patients who underwent posterior spinal fusions were identified, 6068 of whom underwent subsequent SI joint fusion (1.1%). Factors associated with future SI joint fusion included female gender, patients with obesity, fibromyalgia, diabetes, tobacco use, increased construct length, and prior SI joint injection. Prior SI joint injection had the highest odds ratio (OR: 8.70; 95% CI: 8.25-9.16; <i>P</i> < 0.001), followed by 7+ vertebral segment (OR: 2.17; 95% CI: 2.03-2.33; <i>P</i> < 0.001) and 3-6 vertebral segment fusion (OR: 1.49; 95% CI: 1.42-1.57; <i>P</i> < 0.001).</p><p><strong>Conclusions: </strong>The highest predictor of requiring subsequent SI joint fusion is a prior SI joint injection. We also found that longer fusion constructs are associated with increased risk for future SI joint fusion.</p>","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142284334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Letter to the Editor: Characteristics of Spinal Morphology According to the “Current” and “Theoretical” Roussouly Classification Systems in a Diverse, Asymptomatic Cohort: Multi-Ethnic Alignment Normative Study (MEANS)","authors":"Juan Esteban Muñoz Montoya, Praveen R. Iyer, Ajoy Prasad Shetty","doi":"10.1177/21925682241280652","DOIUrl":"https://doi.org/10.1177/21925682241280652","url":null,"abstract":"","PeriodicalId":12680,"journal":{"name":"Global Spine Journal","volume":null,"pages":null},"PeriodicalIF":2.4,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}