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Pioneering Promotion in Endoscopic Spine Surgery: Innovation of Fluid Dynamics and Pressure Measurement Models: Commentary on "An Experimental Model for Fluid Dynamics and Pressures During Endoscopic Lumbar Discectomy". 率先推广内窥镜脊柱手术:流体动力学和压力测量模型的创新:关于 "内窥镜腰椎间盘切除术中流体动力学和压力的实验模型 "的评论。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448894.447
Yi-Hao Liang, Facundo Van Isseldyk
{"title":"Pioneering Promotion in Endoscopic Spine Surgery: Innovation of Fluid Dynamics and Pressure Measurement Models: Commentary on \"An Experimental Model for Fluid Dynamics and Pressures During Endoscopic Lumbar Discectomy\".","authors":"Yi-Hao Liang, Facundo Van Isseldyk","doi":"10.14245/ns.2448894.447","DOIUrl":"10.14245/ns.2448894.447","url":null,"abstract":"","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"753-755"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456930/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Risk Factors of Unsatisfactory Outcomes Requiring Additional Intervention Following Oblique Lateral Interbody Fusion. 斜外侧椎体间融合术后疗效不满意需要额外干预的风险因素。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448344.172
Worawat Limthongkul, Bandid Chaiwongwattana, Stephen J Kerr, Teerachat Tanasansomboon, Vit Kotheeranurak, Wicharn Yingsakmongkol, Weerasak Singhatanadgige
{"title":"Risk Factors of Unsatisfactory Outcomes Requiring Additional Intervention Following Oblique Lateral Interbody Fusion.","authors":"Worawat Limthongkul, Bandid Chaiwongwattana, Stephen J Kerr, Teerachat Tanasansomboon, Vit Kotheeranurak, Wicharn Yingsakmongkol, Weerasak Singhatanadgige","doi":"10.14245/ns.2448344.172","DOIUrl":"10.14245/ns.2448344.172","url":null,"abstract":"<p><strong>Objective: </strong>Oblique lateral interbody fusion (OLIF) is a minimally invasive procedure for stabilizing the spine and indirectly decompressing the neural elements. There is sparse data on unsatisfactory outcomes that require additional interventions (surgery or intervention) after OLIF. This study aimed to identify the causes, and risk factors of these reintervention.</p><p><strong>Methods: </strong>This was a single-center retrospective study of the patients who underwent the OLIF procedure from June 2016 to March 2023. Several clinical and radiographic parameters were studied. We also analyzed associations between several potential risk factors and the reintervention following OLIF.</p><p><strong>Results: </strong>A total of 231 patients were included. Over an average of 2.5 years of follow-up, 28 patients (12.1%) required a reintervention. Adjacent segment disease (ASD) was the most common cause of reintervention. The risk factors associated with reintervention were previous surgery (adjusted odds ratio [aOR], 4.44; 95% confidence interval [CI], 1.21-16.33; p=0.02) and high preoperative Oswestry Disability Index (ODI) scores (aOR, 1.04; 95% CI, 1.00-1.08; p=0.03). Although increasing the duration of follow-up was not statistically significant, the 95% CI was consistent with an increased risk of reintervention with longer follow-up (OR, 1.18; 95% CI, 0.94-1.50).</p><p><strong>Conclusion: </strong>This study showed that patients with prior lumbar surgery and high preoperative ODI scores were more likely to require additional intervention after the OLIF procedure. In addition, an increasing duration of follow-up was associated with an increased risk of reintervention. The most common reason for reintervention was ASD after OLIF.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"845-855"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456943/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Experimental Model for Fluid Dynamics and Pressures During Endoscopic Lumbar Discectomy. 内窥镜腰椎间盘切除术中流体动力学和压力的实验模型。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448350.175
Mazda Farshad, Alexandra Stauffer, Carl Moritz Zipser, Najmeh Kheram, José Miguel Spirig, Jonas Widmer, Vincent Hagel, Jana Felicitas Schader
{"title":"An Experimental Model for Fluid Dynamics and Pressures During Endoscopic Lumbar Discectomy.","authors":"Mazda Farshad, Alexandra Stauffer, Carl Moritz Zipser, Najmeh Kheram, José Miguel Spirig, Jonas Widmer, Vincent Hagel, Jana Felicitas Schader","doi":"10.14245/ns.2448350.175","DOIUrl":"10.14245/ns.2448350.175","url":null,"abstract":"<p><strong>Objective: </strong>Endoscopic spine surgery is an emerging technique of minimally invasive spine surgery. However, headache, seizure, and autonomic dysreflexia are possible irrigation-related complications following full-endoscopic lumbar discectomy (FELD). Pressure elevation through fluid irrigation may contribute to these adverse events. A validated experimental model to investigate parameters for guideline definition is lacking. This study aimed to create an experimental setting for FELD with pressure assessments to prove the concept of repeatable and sensitive measurement of intracranial, intra- and epidural pressures during spine endoscopy.</p><p><strong>Methods: </strong>To measure intradural pressure, catheters were introduced through a sacral approach and advanced to lumbar, thoracic, and cervical levels in human cadavers. Similarly, lumbar epidural and intracranial probes were placed. The dural sac was filled with Ringer solution to a physiologic pressure of 15 cmH2O. Lumbar endoscopy was performed on 3 human cadavers at the L3-4 level. Pressure changes were measured continuously at all sites and the effects of backflow-occlusion were monitored.</p><p><strong>Results: </strong>Reproducibility of the experimental model was validated with catheters at the correct locations and stable compartmental pressure baselines at all levels for 3 specimens (mean±standard deviation: 1.3±2.9 mmHg, 9.0±2.0 mmHg, 6.0±1.2 mmHg, respectively). Pressure increase could be detected sensitively by closing the system with backflow-occlusion.</p><p><strong>Conclusion: </strong>An experimental setup for feasible, repeatable, and precise pressure measurement during FELD in a human cadaveric setup has been developed. This allows investigation of the effects of endoscopic techniques and pump pressures on intra-, epidural and intracranial pressure and enables ranges of safe pump pressures per clinical situations.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"745-752"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456936/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Application of the "Klotski Technique" in Cervical Ossification of the Posterior Longitudinal Ligament With En Bloc Type Dura Ossification. 克洛茨基技术 "在颈椎后纵韧带骨化伴硬膜外骨化中的应用
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448086.043
Jian Guan, Kang Li, Chenghua Yuan, Wanru Duan, Kai Wang, Zhenlei Liu, Zuowei Wang, Xingwen Wang, Hao Wu, Fengzeng Jian, Zan Chen
{"title":"Application of the \"Klotski Technique\" in Cervical Ossification of the Posterior Longitudinal Ligament With En Bloc Type Dura Ossification.","authors":"Jian Guan, Kang Li, Chenghua Yuan, Wanru Duan, Kai Wang, Zhenlei Liu, Zuowei Wang, Xingwen Wang, Hao Wu, Fengzeng Jian, Zan Chen","doi":"10.14245/ns.2448086.043","DOIUrl":"10.14245/ns.2448086.043","url":null,"abstract":"<p><strong>Objective: </strong>The anterior controllable antedisplacement and fusion (ACAF) technique is a new procedure for the treatment of cervical ossification of the posterior longitudinal ligament (OPLL) that requires management of the disc adjacent to the ossification. This study describes a novel technique to reduce the number of fixed segments, namely, the \"Klotski technique.\" The efficacy of ACAF using the Klotski technique was compared with that of anterior cervical corpectomy and fusion (ACCF) in the treatment of OPLL with en bloc type dural ossification (DO).</p><p><strong>Methods: </strong>The clinical data of 25 patients with severe OPLL and en bloc type DO who were treated by the ACAF Klotski technique or ACCF at our hospital from January 2020 to January 2022 were retrospectively analyzed. In the Klotski technique, the number of segments fused within the OPLL is limited. The antedisplacement space was designed according to the shape of the vertebrae-OPLL-DO complex (VODC). Then, the entire VODC was antedisplaced as in Klotski. Neurological function and image examination were assessed preoperatively and postoperatively. Complications associated with surgery were recorded.</p><p><strong>Results: </strong>Patients were followed up for 24-36 months. There were 11 patients who were treated with ACAF and 14 patients who were treated with ACCF. At 2 weeks after surgery, the incidence of neurological deterioration was 21.4% (3 of 14) in the ACCF group and 9.1% (1 of 11) in the ACAF group. The incidence of intraoperative cerebrospinal fluid leakage (CFL) was 35.7% (5 of 14) in the ACCF group and 9.1% (1 of 11) in the ACAF group. The postoperative follow-up JOA scores of the patients in both groups were significantly better than their preoperative JOA scores (p<0.05).</p><p><strong>Conclusion: </strong>The Klotski technique for ACAF is a good option for the treatment of patients with en bloc type OPLL-DO, as it limits the number of fused segments, has a low incidence of CFL and neurologic deficits and is associated with good neurological recovery.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"994-1003"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456944/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomechanical Study of Atlanto-occipital Instability in Type II Basilar Invagination: A Finite Element Analysis. II 型基底膜内陷时寰枕不稳定性的生物力学研究:有限元分析。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448622.311
Junhua Ye, Qinguo Huang, Qiang Zhou, Hong Li, Lin Peng, Songtao Qi, Yuntao Lu
{"title":"Biomechanical Study of Atlanto-occipital Instability in Type II Basilar Invagination: A Finite Element Analysis.","authors":"Junhua Ye, Qinguo Huang, Qiang Zhou, Hong Li, Lin Peng, Songtao Qi, Yuntao Lu","doi":"10.14245/ns.2448622.311","DOIUrl":"10.14245/ns.2448622.311","url":null,"abstract":"<p><strong>Objective: </strong>Recent studies indicate that 3 morphological types of atlanto-occipital joint (AOJ) exist in the craniovertebral junction and are associated with type II basilar invagination (BI) and atlanto-occipital instability. However, the actual biomechanical effects remain unclear. This study aims to investigate biomechanical differences among AOJ types I, II, and III, and provide further evidence of atlanto-occipital instability in type II BI.</p><p><strong>Methods: </strong>Models of bilateral AOJ containing various AOJ types were created, including I-I, I-II, II-II, II-III, and III-III models, with increasing AOJ dysplasia across models. Then, 1.5 Nm torque simulated cervical motions. The range of motion (ROM), ligament and joint stress, and basion-dental interval (BDI) were analyzed.</p><p><strong>Results: </strong>The C0-1 ROM and accompanying rotational ROM increased progressively from model I-I to model III-III, with the ROM of model III-III showing increases between 27.3% and 123.8% indicating ultra-mobility and instability. In contrast, the C1-2 ROM changes were minimal. Meanwhile, the stress distribution pattern was disrupted; in particular, the C1 superior facet stress was concentrated centrally and decreased substantially across the models. The stress on the C0-1 capsule ligament decreased during cervical flexion and increased during bending and rotating loading. In addition, BDI gradually decreased across the models. Further analysis revealed that the dens showed an increase of 110.1% superiorly and 11.4% posteriorly, indicating an increased risk of spinal cord impingement.</p><p><strong>Conclusion: </strong>Progressive AOJ incongruity critically disrupts supportive tissue loading, enabling incremental atlanto-occipital instability. AOJ dysplasia plays a key biomechanical role in the pathogenesis of type II BI.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"1014-1028"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456932/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Complications in Minimally Invasive Spine Surgery in the Last 10 Years: A Narrative Review. 过去十年微创脊柱手术的并发症:叙述性回顾。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448652.326
Blake I Boadi, Chibuikem Anthony Ikwuegbuenyi, Sean Inzerillo, Gabrielle Dykhouse, Rachel Bratescu, Mazin Omer, Osama N Kashlan, Galal Elsayed, Roger Härtl
{"title":"Complications in Minimally Invasive Spine Surgery in the Last 10 Years: A Narrative Review.","authors":"Blake I Boadi, Chibuikem Anthony Ikwuegbuenyi, Sean Inzerillo, Gabrielle Dykhouse, Rachel Bratescu, Mazin Omer, Osama N Kashlan, Galal Elsayed, Roger Härtl","doi":"10.14245/ns.2448652.326","DOIUrl":"10.14245/ns.2448652.326","url":null,"abstract":"<p><strong>Objective: </strong>Minimally invasive spine surgery (MISS) employs small incisions and advanced techniques to minimize tissue damage while achieving similar outcomes to open surgery. MISS offers benefits such as reduced blood loss, shorter hospital stays, and lower costs. This review analyzes complications associated with MISS over the last 10 years, highlighting common issues and the impact of technological advancements.</p><p><strong>Methods: </strong>A systematic review following PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-analyses) guidelines was conducted using PubMed, MEDLINE, Embase via OVID, and Cochrane databases, covering publications from January 2013 to March 2024. Keywords related to MISS and complications were used. Studies on adult patients undergoing MISS with tubular, uniportal, or biportal endoscopy, reporting intraoperative or postoperative complications, were included. Non-English publications, abstracts, and small case series were excluded. Data on MISS approach, patient demographics, and complications were extracted and reviewed by 2 independent researchers.</p><p><strong>Results: </strong>The search identified 880 studies, with 137 included after screening and exclusions. Key complications in cervical MISS were hematomas, transient nerve root palsy, and dural tears. In thoracic MISS, complications included cerebrospinal fluid leaks and durotomy. In lumbar MISS, common complications were incidental dural injuries, postoperative neuropathic conditions, and disc herniation recurrences. Complications varied by surgical approach.</p><p><strong>Conclusion: </strong>MISS offers reduced anatomical disruption compared to open surgery, potentially decreasing nerve injury risk. However, complications such as nerve injuries, durotomies, and hardware misplacement still occur. Intraoperative neuromonitoring and advanced technologies like navigation can help mitigate these risks. Despite variability in complication rates, MISS remains a safe, effective alternative with ongoing advancements enhancing its outcomes.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"770-803"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456948/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Postoperative Coronal Imbalance in Lenke 5C Adolescent Idiopathic Scoliosis: Evolution, Risk Factors, and Clinical Implications. Lenke 5C 青少年特发性脊柱侧凸术后冠状不平衡:演变、风险因素和临床意义。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448544.272
Yinyu Fang, Jie Li, Zongshan Hu, Zezhang Zhu, Yong Qiu, Zhen Liu
{"title":"Postoperative Coronal Imbalance in Lenke 5C Adolescent Idiopathic Scoliosis: Evolution, Risk Factors, and Clinical Implications.","authors":"Yinyu Fang, Jie Li, Zongshan Hu, Zezhang Zhu, Yong Qiu, Zhen Liu","doi":"10.14245/ns.2448544.272","DOIUrl":"10.14245/ns.2448544.272","url":null,"abstract":"<p><strong>Objective: </strong>To explore the changes in coronal imbalance (CIB) in Lenke 5C adolescent idiopathic scoliosis (AIS) after posterior selective fusion surgery and determine their implications for surgical decision-making.</p><p><strong>Methods: </strong>One hundred twenty patients were categorized according to the preoperative coronal pattern (type A, coronal balance distance [CBD]<20 mm; type B, CBD≥20 mm and coronal C7 plumbline [C7PL] shifted to the concave side of the curve; type C, CBD≥20 mm and C7PL shifted to the convex side of the curve). CIB group (CIB+) was defined as having a CBD≥20 mm at the 2-year follow-up.</p><p><strong>Results: </strong>Compared to type A patients, the prevalence of postoperative CIB was higher in type C patients both immediately postoperative (22% vs. 38%, p<0.05) and at the final follow-up (5% vs. 29%, p<0.05), whereas type A patients showed a greater improvement in CBD (9 of 12 vs. 6 of 24, p<0.05) at the final follow-up. The majority of patients in all groups had recovered to type A at the final follow-up (96 of 120). The proximal Cobb-1 strategy reduced the incidence of postoperative CIB (1 of 38) at the 2-year follow-up, especially in preoperative type C patients. Multivariate logistic regression analysis revealed that type C and overcorrection of the thoracolumbar curve were risk factors for CIB at the 2-year follow-up (p=0.007 and p=0.026, respectively).</p><p><strong>Conclusion: </strong>Patients with type C CIB in AIS exhibited unsatisfactory restoration, with 29% of them exhibiting CIB at the final follow-up. The selective fusion strategy of proximal Cobb-1 may reduce the risk of postoperative CIB especially when the preoperative coronal pattern is type C.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"903-912"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456952/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372419","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distal Junctional Kyphosis and Failure in Adult Deformity Surgery Down to L5: Commentary on "Distal Junctional Failure After Fusion Stopping at L5 in Patients With Adult Spinal Deformity: Incidence, Risk Factors, and Radiographic Criteria". 成人脊柱畸形手术中的远端交界性后凸(Distal Junctional Kyphosis and Failure in Adult Deformity Surgery Down to L5):关于 "成人脊柱畸形患者在 L5 椎间融合术后出现远端交界失败:发生率、风险因素和放射学标准 "的评论。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-24 DOI: 10.14245/ns.2448882.441
Teppei Suzuki, Takashi Yurube
{"title":"Distal Junctional Kyphosis and Failure in Adult Deformity Surgery Down to L5: Commentary on \"Distal Junctional Failure After Fusion Stopping at L5 in Patients With Adult Spinal Deformity: Incidence, Risk Factors, and Radiographic Criteria\".","authors":"Teppei Suzuki, Takashi Yurube","doi":"10.14245/ns.2448882.441","DOIUrl":"10.14245/ns.2448882.441","url":null,"abstract":"","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"865-867"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456950/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Cage Material and Size on Fusion Rate and Subsidence Following Biportal Endoscopic Transforaminal Lumbar Interbody Fusion. 双ortal 内窥镜经椎间孔腰椎椎体融合术后保持架材料和尺寸对融合率和下沉的影响
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448244.122
Ki-Han You, Samuel K Cho, Jae-Yeun Hwang, Sun-Ho Cha, Min-Seok Kang, Sang-Min Park, Hyun-Jin Park
{"title":"Effect of Cage Material and Size on Fusion Rate and Subsidence Following Biportal Endoscopic Transforaminal Lumbar Interbody Fusion.","authors":"Ki-Han You, Samuel K Cho, Jae-Yeun Hwang, Sun-Ho Cha, Min-Seok Kang, Sang-Min Park, Hyun-Jin Park","doi":"10.14245/ns.2448244.122","DOIUrl":"10.14245/ns.2448244.122","url":null,"abstract":"<p><strong>Objective: </strong>Biportal endoscopic transforaminal lumbar interbody fusion (BE-TLIF) is an emerging, minimally invasive technique performed under biportal endoscopic guidance. However, concerns regarding cage subsidence and sufficient fusion during BE-TLIF necessitate careful selection of an appropriate interbody cage to improve surgical outcomes. This study compared the fusion rate, subsidence, and other radiographic parameters according to the material and size of the cages used in BE-TLIF.</p><p><strong>Methods: </strong>In this retrospective cohort study, patients who underwent single-segment BE-TLIF between April 2019 and February 2023 were divided into 3 groups: group A, regular-sized three-dimensionally (3D)-printed titanium cages; group B, regular-sized polyetheretherketone cages; and group C, large-sized 3D-printed titanium cages. Radiographic parameters, including lumbar lordosis, segmental lordosis, anterior and posterior disc heights, disc angle, and foraminal height, were measured before and after surgery. The fusion rate and severity of cage subsidence were compared between the groups.</p><p><strong>Results: </strong>No significant differences were noted in the demographic data or radiographic parameters between the groups. The fusion rate on 1-year postoperative computed tomography was comparable between the groups. The cage subsidence rate was significantly lower in group C than in group A (41.9% vs. 16.7%, p=0.044). The severity of cage subsidence was significantly lower in group C (0.93±0.83) than in groups A (2.20±1.84, p=0.004) and B (1.79±1.47, p=0.048).</p><p><strong>Conclusion: </strong>Cage materials did not affect the 1-year postoperative outcomes of BE-TLIF; however, subsidence was markedly reduced in large cages. Larger cages may provide more stable postoperative segments.</p>","PeriodicalId":19269,"journal":{"name":"Neurospine","volume":"21 3","pages":"973-983"},"PeriodicalIF":3.8,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11456953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142372411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Commentary on "Artificial Intelligence Detection of Cervical Spine Fractures Using Convolutional Neural Network Models". 关于 "利用卷积神经网络模型对颈椎骨折进行人工智能检测 "的评论。
IF 3.8 2区 医学
Neurospine Pub Date : 2024-09-01 Epub Date: 2024-09-30 DOI: 10.14245/ns.2448898.449
Yu-Cheng Yeh, Fon-Yih Tsuang
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