{"title":"Research Progress of Camptocormia in Parkinson Disease.","authors":"Yilin Lu, Xiang Zhang, Junyu Li, Weishi Li, Miao Yu","doi":"10.1097/BSD.0000000000001674","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001674","url":null,"abstract":"<p><p>Camptocormia, also known as bent spine syndrome, primarily affects individuals with Parkinson disease (PD). This review provides an overview of camptocormia in PD, covering its definition, epidemiology, causes, diagnosis, and treatment. In the epidemiology section, we delve into its prevalence, gender disparities, and ongoing genetic research. Regarding diagnosis and assessment, we discuss evolving diagnostic criteria and measurement techniques, as well as new diagnostic tools. For management and treatment, a wide array of options is available, from conservative methods such as physical therapy and botulinum toxin injections to surgical interventions such as spinal orthopedic surgery and deep brain stimulation. We stress the significance of personalized care and multidisciplinary collaboration. This comprehensive review aims to provide clinicians, researchers, and healthcare professionals with a comprehensive understanding of camptocormia in PD, highlighting its clinical features, diagnostic strategies, management approaches, and future perspectives.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142153307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Full Endoscopic Bilateral Discectomy at L5/S1 Level: Technical Note of a Unilateral Uniportal Interlaminar Circum-dural Approach.","authors":"Xinchun Liu","doi":"10.1097/BSD.0000000000001690","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001690","url":null,"abstract":"<p><strong>Study design: </strong>Technical report.</p><p><strong>Objective: </strong>This report aimed to describe a 3-step unilateral uniportal interlaminar circum-dural approach for entire spinal canal inspection and bilateral discectomy at L5/S1 level.</p><p><strong>Summary of background data: </strong>Treatment of lumbar disc herniation with bilateral symptoms at L5/S1 level is complicated in full endoscopic surgeries. Unilateral interlaminar approaches have been used for bilateral discectomy at L5/S1 level through a uniportal ventral dural approach or a biportal dorsal dural approach. Despite the reporting of successful clinical outcomes, inspection and manipulation of the entire spinal canal via a unilateral approach remain challenging.</p><p><strong>Methods: </strong>The 3-step inspection of the entire spinal canal includes the ipsilateral side, the midline, and the contralateral side. Two typical cases are provided to further demonstrate the technique. In case 1, bilateral symptoms were caused by bilateral multifocal herniations. In case 2, bilateral symptoms were caused by a huge midline herniation.</p><p><strong>Results: </strong>The surgical purposes were achieved as intended in both of the 2 cases. The herniations were successfully removed and the pain was relieved immediately after surgery.</p><p><strong>Conclusions: </strong>As indicated by the preliminary application, the present technique, integrating the advantages of both the ventral and the dorsal dural approaches, is probably an ideal choice for bilateral discectomy at L5/S1 level.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142139516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Joseph N Frazzetta, Nathan Pecoraro, Ignacio Jusue-Torres, Paul M Arnold, Ryan Hofler, G Alexander Jones, Russ Nockels
{"title":"Increased Change in Cervical Lordosis is Associated With Decreased Rate of Recovery in Patients With C5 Palsy.","authors":"Joseph N Frazzetta, Nathan Pecoraro, Ignacio Jusue-Torres, Paul M Arnold, Ryan Hofler, G Alexander Jones, Russ Nockels","doi":"10.1097/BSD.0000000000001680","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001680","url":null,"abstract":"<p><strong>Study design: </strong>A retrospective chart review.</p><p><strong>Objective: </strong>The authors aim to investigate the role of clinical and radiographic parameters in patients who underwent posterior cervical surgery, and their association with C5 palsy severity and time to recovery.</p><p><strong>Background: </strong>Postoperative C5 palsy affects 1%-30% of patients undergoing posterior decompression, with or without fusion. Causation and avoidance of this complication remain widely debated.</p><p><strong>Materials and methods: </strong>A single institution review of patients who underwent posterior cervical spine surgery was focused on using specific Common Procedural Technology codes associated with the patient population of interest. Patients were excluded if they had inadequate pre and postoperative imaging, as well as a history of prior cervical spine surgery, concurrent anterior surgery, intradural pathology, spinal tumor, or spinal trauma. Radiographic measurements of the pre and postoperative images were completed with subsequent intraclass correlation coefficient analysis to confirm the precision of measurements.</p><p><strong>Results: </strong>Out of 105 total patients, 35 (33%) patients developed a C5 palsy. Twenty-four (69%) of those palsies completely resolved, with a median time to recovery of 8 months. Preoperative demographics and radiographic parameters demonstrated heterogeneity among those patients who did and did not have a resolution of palsy. Patients with increased change in C2-C7 lordosis (P = 0.011) after surgery were associated with decreased likelihood of recovery. Patients without a smoking history (P = 0.009) had an increased likelihood of recovering from C5 palsy.</p><p><strong>Conclusions: </strong>The degree of increased lordosis in the treatment of degenerative cervical disease plays a role in the rate of recovery from C5 palsy. This should be considered during preoperative planning in determining the amount of lordosis desired. In addition, patients without a smoking history were associated with a higher rate of recovery.</p><p><strong>Level of evidence: </strong>Level IV.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Raffaele De Marco, Silvia Sgambetterra, Luigi Aurelio Nasto, Gianluca Piatelli, Marco Pavanello
{"title":"Spinal Dural Ectasia Spectrum: Management of Two Cases and Systematic Review of the Therapeutic Options.","authors":"Raffaele De Marco, Silvia Sgambetterra, Luigi Aurelio Nasto, Gianluca Piatelli, Marco Pavanello","doi":"10.1097/BSD.0000000000001678","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001678","url":null,"abstract":"<p><strong>Objective: </strong>To describe 2 cases with pathologic expansion of lumbosacral dura mater exerting compression on lumbosacral nerves treated with placement of lumboperitoneal shunt (LPS). Although dural ectasia (DE) is asymptomatic in most cases, a systematic review of the literature was performed focusing on the management when it causes symptoms.</p><p><strong>Methods: </strong>Pubmed/Medline and Embase databases were searched for the surgical management of DE. Both pediatric and adult patients were included. The presence of a cerebrospinal fluid leak was considered an exclusion criterion. An additional search was performed to provide a more complete picture of the DE spectrum considering meningoceles as a severe form of dural expansion.</p><p><strong>Results: </strong>Differentiating DE from meningocele, only 20 patients were treated for symptomatic DE. Surgical management varied according to presentation and etiopathogenesis: blood patch or fibrin glue were attempted in case of intracranial hypotension, followed eventually by LPS or marsupialization or dura reduction in cases of failure, whereas LPS or spinal decompression were proposed in cases of radiculopathy or cauda equina syndrome.</p><p><strong>Conclusion: </strong>DE is a rare condition mostly associated with connective tissue disorders. The different etiopathogenesis may explain how it causes symptoms in specific conditions. Treatments should be chosen according to this and may be proposed at the appearance of symptoms since dural expansion is a self-sustained mechanism.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Eric Solomon, Mihir Gupta, Rachel Su, Nolan Reinhart, Valentina Battistoni, Aditya Mittal, Rachel S Bronheim, Juan Silva-Aponte, Miguel Cartagena Reyes, Devan Hawkins, Aditya Joshi, Khaled M Kebaish, Hamid Hassanzadeh
{"title":"Trends and Rates of Reporting of Race, Ethnicity, and Social Determinants of Health in Spine Surgery Randomized Clinical Trials: A Systematic Review.","authors":"Eric Solomon, Mihir Gupta, Rachel Su, Nolan Reinhart, Valentina Battistoni, Aditya Mittal, Rachel S Bronheim, Juan Silva-Aponte, Miguel Cartagena Reyes, Devan Hawkins, Aditya Joshi, Khaled M Kebaish, Hamid Hassanzadeh","doi":"10.1097/BSD.0000000000001675","DOIUrl":"10.1097/BSD.0000000000001675","url":null,"abstract":"<p><strong>Study design: </strong>A systematic review.</p><p><strong>Objective: </strong>We characterized the rates of sociodemographic data and social determinants of health (SDOH) reported in spinal surgery randomized control trials (RCTs) and the association between these RCTs' characteristics and their rates of reporting on race, ethnicity, and SDOH variables.</p><p><strong>Summary of background data: </strong>Although numerous institutions maintain guidelines and recommendations regarding the inclusion and reporting of sociodemographic and SDOH variables in RCTs, the proportion of studies that ultimately report such information is unclear, particularly in spine surgery.</p><p><strong>Materials and methods: </strong>We searched the MEDLINE, PubMed, and Embase databases for published results from spinal surgery RCTs from January 2002 through December 2022, and screened studies according to prespecified inclusion criteria regarding analysis and reporting of sociodemographic and SDOH variables.</p><p><strong>Results: </strong>We analyzed 421 studies. Ninety-six studies (22.8%) reported race, ethnicity, or SDOH covariates. On multivariate analysis, study size [rate ratio (RR)=1.18; 95% CI, 1.06-1.32], public/institutional funding (RR=2.28; 95% CI, 1.29-4.04), and private funding (RR=3.27; 95% CI, 1.87-5.74) were significantly associated with reporting race, ethnicity, or SDOH variables. Study size (RR=1.26; 95% CI, 1.07-1.48) and North American region (RR=21.84; CI, 5.04-94.64) were associated with a higher probability of reporting race and/or ethnicity. Finally, study size (RR=1.27; 95% CI, 1.10-1.46), public/institutional funding (RR=2.68; 95% CI, 1.33-5.39), focus on rehabilitation/therapy intervention (RR=2.70; 95% CI, 1.40-5.21), and nonblinded study groups (RR=2.70; 95% CI, 1.40-5.21) were associated with significantly higher probability of reporting employment status.</p><p><strong>Conclusion: </strong>Rates of reporting race, ethnicity, and SDOH variables were lower in the spinal surgery RCTs in our study than in RCTs in other medical disciplines. These reporting rates did not increase over a 20-year period. Trial characteristics significantly associated with higher rates of reporting were larger study size, North American region, private or public funding, and a focus on behavioral/rehabilitation interventions.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142125058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xu Xiong, Jia-Ming Liu, William Weijia Lu, Ke-Di Yang, Huan Qi, Zhi-Li Liu, Ning Zhang, Shan-Hu Huang
{"title":"The Effectiveness of Artificial Intelligence-based Pedicle Screw Trajectory Planning in Patients With Different Levels of Bone Mineral Density.","authors":"Xu Xiong, Jia-Ming Liu, William Weijia Lu, Ke-Di Yang, Huan Qi, Zhi-Li Liu, Ning Zhang, Shan-Hu Huang","doi":"10.1097/BSD.0000000000001687","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001687","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective cohort study.</p><p><strong>Objective: </strong>To evaluate the effectiveness of pedicle screw trajectory planning based on artificial intelligence (AI) software in patients with different levels of bone mineral density (BMD).</p><p><strong>Summary of background data: </strong>AI-based pedicle screw trajectory planning has potential to improve pullout force (POF) of screws. However, there is currently no literature investigating the efficacy of AI-based pedicle screw trajectory planning in patients with different levels of BMD.</p><p><strong>Methods: </strong>The patients were divided into 5 groups (group A-E) according to their BMD. The AI software utilizes lumbar spine CT data to perform screw trajectory planning and simulate AO screw trajectories for bilateral L3-5 vertebral bodies. Both screw trajectories were subdivided into unicortical and bicortical modes. The AI software automatically calculating the POF and pullout risk of every screw trajectory. The POF and risk of screw pullout for AI-planned screw trajectories and AO standard trajectories were compared and analyzed.</p><p><strong>Results: </strong>Forty-three patients were included. For the screw sizes, AI-planned screws were greater in diameter and length than those of AO screws (P<0.05). In groups B-E, the AI unicortical trajectories had a POF of over 200N higher than that of AO unicortical trajectories. POF was higher in all groups for the AI bicortical screw trajectories compared with the AO bicortical screw trajectories (P<0.05). AI unicortical trajectories in groups B-E had a lower risk of screw pullout compared with that of AO unicortical trajectories (P<0.05).</p><p><strong>Conclusions: </strong>AI unicortical screw trajectory planning for lumbar surgery in patients with BMD of 40-120 mg/cm3 can significantly improve screw POF and reduce the risk of screw pullout.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142119086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Athan G Zavras, Rajko S Vucicevic, Vincent P Federico, Michael T Nolte, Arash J Sayari, Nicholas A Shepard, Matthew W Colman
{"title":"Table-mounted Versus Self-retaining Retraction: An Assessment of Postoperative Dysphagia Following Anterior Cervical Spine Surgery.","authors":"Athan G Zavras, Rajko S Vucicevic, Vincent P Federico, Michael T Nolte, Arash J Sayari, Nicholas A Shepard, Matthew W Colman","doi":"10.1097/BSD.0000000000001689","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001689","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective study.</p><p><strong>Objective: </strong>To determine whether there are significant differences in postoperative dysphagia when using table-mounted versus self-retaining retractor tools.</p><p><strong>Summary of background data: </strong>Retraction of prevertebral structures during anterior cervical spine surgery (ACSS) is commonly associated with postoperative dysphagia or dysphonia. Retractors commonly used include nonfixed self-retaining retraction devices or fixed table-mounted retractor arms. However, there is a paucity of literature regarding differences in dysphagia between retractor types.</p><p><strong>Methods: </strong>Patients who underwent ACSS and adhered to a minimum of 6-month follow-up were retrospectively evaluated. Patient-reported outcomes (PROs) were compared between table-mounted and self-retaining retractor groups at the preoperative and final postoperative time points, including the SWAL-QOL survey for dysphagia. Categorical dysphagia was assessed using previously defined values for the minimum clinically important difference (MCID).</p><p><strong>Results: </strong>Overall, 117 and 75 patients received self-retaining or table-mounted retraction. Average follow-up was significantly longer in the self-retaining cohort (14.8±15.0 mo) than in the table-mounted group (9.4±7.8, P=0.005). No differences were detected in swallowing function (P=0.918) or operative time (P=0.436), although 3-level procedures were significantly shortened with table-mounted retraction (P=0.005). Multivariate analysis trended toward worse swallow function with increased operative levels (P=0.072) and increased retraction time (P=0.054), although the retractor used did not predict swallowing function (P=0.759). However, categorical rates of postoperative dysphagia were lower with table-mounted retraction (13.3% vs. 27.4%, P=0.033).</p><p><strong>Conclusions: </strong>There was no significant difference observed in long-term swallowing dysfunction between patients who underwent ACSS with self-retaining and table-mounted retractors, although the rate of dysphagia was lower with table-mounted retraction. In addition, the greater number of operated levels per case in the table-mounted group at a similar time suggests improved efficiency.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142125056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Max Prost, Philip Denz, Joachim Windolf, Markus Rafael Konieczny
{"title":"The Impact of the Lowest Instrumented Vertebra on the Correction of the Minor Curve During Selective Fusion in Patients With Adolescent Idiopathic Scoliosis.","authors":"Max Prost, Philip Denz, Joachim Windolf, Markus Rafael Konieczny","doi":"10.1097/BSD.0000000000001686","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001686","url":null,"abstract":"<p><strong>Study design: </strong>Retrospective single-center data analysis.</p><p><strong>Objective: </strong>The aim of this investigation was to give advises for choosing the LIV in selective fusion to reach the best correction of the minor curve and sagittal profile.</p><p><strong>Summary of background data: </strong>Scoliotic curves can be classified as structural or nonstructural. If selective fusion is performed, the nonstructural curves are not instrumented. The choice of the lowest instrumented vertebra (LIV) and the impact of different levels of the LIV on the correction of the minor curve in the frontal profile and on the sagittal balance is under debate.</p><p><strong>Methods: </strong>Forty-seven consecutive patients treated by posterior instrumented fusion were included in this retrospective investigation. Impact of the level of the LIV with regard to distance to end vertebra (EV), to the stable vertebra (StV), to the sagittal infliction point (IP), and to the apex of the lumbar lordosis on the correction of the minor curve was analyzed.</p><p><strong>Results: </strong>Distance of LIV to EV was significant with regard to correction of the minor curve if it was more than 5 levels (P<0.001). Distance of LIV to StV was significant with regard to correction of the minor curve if it was more than 4 levels (P<0.01). Distance of LIV to IP was significant with regard to correction of the minor curve if it was more than 2 levels (P<0.01).</p><p><strong>Conclusions: </strong>Choosing a LIV that was more than 2 levels higher or lower than the sagittal infliction point showed a significantly higher correction of the minor curve. We therefore recommend to keep that distance when LIV is chosen.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142125057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Posterior Cartilage Endplate Disruption on T1-weighted Magnetic Resonance Imaging as a Predictor for Postoperative Recurrence of Lumbar Disk Herniation.","authors":"Kazuhiro Inomata, Eiji Takasawa, Tokue Mieda, Toshiki Tsukui, Kenta Takakura, Yusuke Tomomatsu, Akira Honda, Hirotaka Chikuda","doi":"10.1097/BSD.0000000000001657","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001657","url":null,"abstract":"<p><strong>Study design: </strong>A retrospective cohort study.</p><p><strong>Objective: </strong>This study aimed to investigate the relationship between disruption of cartilage endplates and postoperative recurrence of lumber disk herniation (LDH) using preoperative T1-weighted magnetic resonance imaging (MRI-T1WI).</p><p><strong>Summary of background data: </strong>Recurrence of LDH is a relatively common complication after discectomy. Although several risk factors have been identified, their predictive capability remains limited. Previous histologic studies reported that cartilage endplates were present in 85% of patients with recurrent LDH.</p><p><strong>Methods: </strong>Patients with a single level of LDH who underwent open or microendoscopic discectomy were retrospectively reviewed. On the basis of preoperative sagittal MRI-T1WI, cartilage endplates were divided into anterior and posterior portions at the center of the disk and evaluated for discontinuity. Patient background characteristics, spinopelvic sagittal parameters, degrees of disk degeneration, and recurrence level were also evaluated.</p><p><strong>Results: </strong>A total of 100 patients were included in this study (mean age, 50.5 years old; 41% female). Symptomatic recurrence of LDH occurred in 15 patients (15%). There were no significant differences in patient background characteristics (age, 46.9 vs. 51.2 years old; %female, 60% vs. 38%; smoking, 33% vs. 41%; diabetes mellitus, 27% vs. 29%) or spinopelvic parameters (PI, 44.1 vs. 47.0 degrees; PT, 16.8 vs. 19.4 degrees; SS, 27.3 vs. 27.6 degrees; LL, 37.7 vs. 33.7 degrees). In the recurrence group, MRI-T1WI showed a higher rate of cartilage endplate disruption in the posterior portion than in the no-recurrence group (73% vs. 34%, P=0.01). A multivariate analysis demonstrated that the disruption of the posterior cartilage endplate remained an independent predictor of recurrence.</p><p><strong>Conclusions: </strong>Disruption in the posterior cartilage endplate on preoperative MRI-T1WI was closely associated with recurrence after LDH surgery. These results suggest that this MRI finding is a practical and useful predictor of LDH recurrence.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142105037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Developmental and Validation of Machine Learning Model for Prediction Complication after Cervical Spine Metastases Surgery.","authors":"Borriwat Santipas, Siravich Suvithayasiri, Warayos Trathitephun, Sirichai Wilartratsami, Panya Luksanapruksa","doi":"10.1097/BSD.0000000000001659","DOIUrl":"https://doi.org/10.1097/BSD.0000000000001659","url":null,"abstract":"<p><strong>Study design: </strong>This is a retrospective cohort study utilizing machine learning to predict postoperative complications in cervical spine metastases surgery.</p><p><strong>Objectives: </strong>The main objective is to develop a machine learning model that accurately predicts complications following cervical spine metastases surgery.</p><p><strong>Summary of background data: </strong>Cervical spine metastases surgery can enhance quality of life but carries a risk of complications influenced by various factors. Existing scoring systems may not include all predictive factors. Machine learning offers the potential for a more accurate predictive model by analyzing a broader range of variables.</p><p><strong>Methods: </strong>Data from January 2012 to December 2020 were retrospectively collected from medical databases. Predictive models were developed using Gradient Boosting, Logistic Regression, and Decision Tree Classifier algorithms. Variables included patient demographics, disease characteristics, and laboratory investigations. SMOTE was used to balance the dataset, and the models were assessed using AUC, F1-score, precision, recall, and SHAP values.</p><p><strong>Results: </strong>The study included 72 patients, with a 29.17% postoperative complication rate. The Gradient Boosting model had the best performance with an AUC of 0.94, indicating excellent predictive capability. Albumin level, platelet count, and tumor histology were identified as top predictors of complications.</p><p><strong>Conclusions: </strong>The Gradient Boosting machine learning model showed superior performance in predicting postoperative complications in cervical spine metastases surgery. With continuous data updating and model training, machine learning can become a vital tool in clinical decision-making, potentially improving patient outcomes.</p><p><strong>Level of evidence: </strong>Level III.</p>","PeriodicalId":10457,"journal":{"name":"Clinical Spine Surgery","volume":null,"pages":null},"PeriodicalIF":1.6,"publicationDate":"2024-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142105036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}