International Journal of Spine Surgery最新文献

{"title":"Short- and Mid-Term Outcomes Following ALIF and TLIF in L5-S1 Isthmic Spondylolisthesis Patients.","authors":"Jialun Chi, Kate S Woods, Ved A Vengsarkar, Zhiwen Xu, Hanzhi Yang, Abhishek Kumar, Yi Zhang, Zhichang Zhang, Jesse Wang, Lawal Labaran, Li Jin, Xudong Li","doi":"10.14444/8696","DOIUrl":"10.14444/8696","url":null,"abstract":"<p><strong>Background: </strong>A limited number of studies have compared the outcomes of anterior lumbar interbody fusion (ALIF) to transforaminal lumbar interbody fusion (TLIF) for the treatment of isthmic spondylolisthesis. This study aims to compare postoperative complications between these two surgical approaches.</p><p><strong>Methods: </strong>A retrospective review was performed using a large national database. The study population included all patients older than 18 years who underwent single-level ALIF or TLIF with a diagnosis of L5 to S1 isthmic spondylolisthesis. A 1:2 propensity score was used to match ALIF and TLIF cohorts for age, sex, and relevant comorbidities, including smoking status. Multivariate logistic regression was used to compare 3-month and 2-year medical and surgical complications, including 5-year reoperation rates.</p><p><strong>Results: </strong>Five hundred and seventy-eight ALIF patients were paired with 1,156 TLIF patients following the match. The analysis revealed a higher 3-month ileus rate in ALIF patients (<i>P</i> = 0.009) and a lower, though not significant difference in, reoperation rate for ALIF within 2 years at 7.1% compared with TLIF at 7.7% (<i>P</i> = 0.696). Five-year reoperation rates were comparable (9.5% vs 10.8%; <i>P</i> = 0.612).</p><p><strong>Conclusions: </strong>Aside from the increased rate of ileus in the ALIF group, there was no significant difference in both short- and mid-term complications, including overall reoperation rate, between the 2 techniques. Spine surgeons should select the optimal technique for a given patient.</p><p><strong>Clinical relevance: </strong>ALIF and TLIF offer comparable mid-term postoperative outcomes for treating 1-level L5/S1 isthmic spondylolisthesis.</p><p><strong>Level of evidence: 3: </strong></p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"81-87"},"PeriodicalIF":1.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12052911/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142979801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fully Navigated Single-Position Prone Lateral Lumbar Interbody Fusion: A Detailed Technical Report and Description of 15 Cases.","authors":"David E Bauer, Nicolas Lauper, Dennis E Dominguez","doi":"10.14444/8697","DOIUrl":"10.14444/8697","url":null,"abstract":"<p><strong>Background: </strong>Navigation increases the precision and safety of pedicle screw placement and has been used to place interbody cages for lateral lumbar interbody fusion. Single-position surgery shortens its duration and that of anesthesia. The aim of this study was the feasibility of simultaneous cage and screw placement in a single prone position using intraoperative navigation without the need for additional fluoroscopy and a detailed technical description of this procedure.</p><p><strong>Methods: </strong>We retrospectively analyzed 15 patients who underwent simultaneous navigated lateral lumbar interbody fusion and posterior instrumentation in a single prone position. A detailed technical description of the procedure is provided. Surgery duration, blood loss, complications, and radiographic parameters were recorded.</p><p><strong>Results: </strong>A total of 24 cages were placed in 15 patients. The mean time taken for cage placement was 21 ± 6.70 minutes, and there were no major complications. Mean surgery duration and blood loss per case, including posterior instrumentation, were 263 ± 94 minutes and 315 ± 143 mL, respectively. There were significant improvements in pre- to postoperative Oswestry Disability Index scores (51.38 ± 15.93 vs 32.81 ± 17.18, <i>P</i> < 0.001) and segmental lordosis (3.26° ± 8.97° vs 13.09° ± 15.25°, <i>P</i> < 0.001).</p><p><strong>Conclusion: </strong>The present study's results showed the feasibility of lateral lumbar interbody fusion using simultaneous posterior pedicle screw instrumentation and intraoperative navigation in a single prone position.</p><p><strong>Clinical relevance: </strong>Navigated lateral lumbar interbody fusion and posterior instrumentation in a single prone position possibly reduces operating time and blood loss and reduces exposure of operation room personnel to radiation.</p><p><strong>Level of evidence: 4: </strong></p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"70-80"},"PeriodicalIF":1.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053097/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142898838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Patient Recovery Following Uniportal Endoscopic Vs Open Lumbar Spine Surgery: Objective Analysis of Postoperative Mobility and Gait Patterns Using Wearable Sensors.","authors":"Alison Ma, Ralph J Mobbs, Monish M Maharaj","doi":"10.14444/8718","DOIUrl":"10.14444/8718","url":null,"abstract":"<p><strong>Background: </strong>There has been a gradual shift from open spine surgery to minimally invasive techniques such as endoscopic spine surgery to reduce approach-related trauma, collateral damage, and complications. While recovery following surgery has been measured using subjective measures including patient-reported outcome measures, the introduction of smart wearable devices now provides both an objective and continuous method of patient assessment. This prospective study compares patient recovery after uniportal endoscopic and open lumbar spine surgery by analyzing mobility and gait metrics captured by a wearable sensor.</p><p><strong>Methods: </strong>Participants included 24 patients who underwent a single-level uniportal endoscopic lumbar decompression or open posterior lumbar fusion. During the first 48 hours after surgery, patients wore a sensor that continuously monitored position, step count, and gait metrics.</p><p><strong>Results: </strong>In the immediate postoperative period, endoscopic spine surgery patients experienced a quicker return to mobility, with less time lying down, higher step count, faster gait velocity, lower double support percentage, and reduced variability, compared with open spine surgery patients.</p><p><strong>Conclusion: </strong>There are key differences in patient mobility and gait following uniportal endoscopic and open spine surgery. Endoscopic spine surgery patients had faster recovery, which can guide resource allocation toward the development of training programs and support the advancement of spine endoscopy to address a broader range of pathologies. This pilot study highlights the potential for wearable devices to be used in further studies to form spine surgery recovery trajectories, allowing targeted rehabilitation and prompt intervention for deviations in patient recovery.</p><p><strong>Clinical relevance: </strong>This study demonstrates the benefits of endoscopic spine surgery for improved postoperative recovery in terms of mobility and gait metrics. Additionally, it highlights the potential for wearable sensor technology to provide an objective and continuous method for assessing postoperative outcomes and for the development of individualized rehabilitation protocols. These findings support the broader adoption of endoscopic techniques and emphasize the value of incorporating wearable devices into postoperative monitoring to optimize patient care.</p><p><strong>Level of evidence: 3: </strong></p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"39-48"},"PeriodicalIF":1.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053096/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143075671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical Outcomes Following Treatment of Cervical Spondylotic Radiculopathy With Cervical Posterior Decompression Using Unilateral Biportal Endoscopic Technique: A Single Center Retrospective Series of 20 Patients.","authors":"Keyur K Akbari, Teo Hong Lee Terry, Umesh Kanade, John Choi","doi":"10.14444/8690","DOIUrl":"10.14444/8690","url":null,"abstract":"<p><strong>Background: </strong>Unilateral biportal endoscopy (UBE) is a minimally invasive approach to treat cervical spondylotic radiculopathy (CSR), which is a common condition caused secondary to disc herniation, disc degeneration, uncal osteophytes, and other conditions manifesting as neuropathic radicular pain. Anterior cervical discectomy and fusion (ACDF) is the gold standard surgical technique for treating CSR. However, it has several disadvantages, including loss of mobile segment, adjacent segment degeneration (ASD), implant- and approach-related complications, and high hospitalization costs.</p><p><strong>Objective: </strong>The current study aimed to evaluate the safety and efficacy of UBE decompression for CSR.</p><p><strong>Methods: </strong>After obtaining IRB approval, a single-center retrospective study was undertaken. Included patients underwent UBE decompression for CSR with a minimum of 6 months of follow-up. Patient demographics, perioperative data, and length of hospital stay were reviewed. Clinical outcomes were assessed using VAS scores for neck and arm pain, and NDI scores were measure preoperatively and at 1 and 6 months after UBE decompression. A repeated analysis of variance test was performed to measure the difference between VAS and NDI scores.</p><p><strong>Results: </strong>Twenty patients (M: 15, F: 5) with a mean age of 56.7 ± 10.2 years were included. The mean follow-up period was 8.4 ± 1.8 months. The mean surgical time was 64.3±10.6 minutes. The average length of hospital stay was 1 day. At the final follow-up, the mean VAS for arm pain improved from 6.4 ± 0.7 to 0.6 ± 0.5 (92% improvement) and the mean VAS for neck pain improved from 3.3 ± 0.4 to 2.0 ± 0.2 (40% improvement). NDI score improved from 23.2 ± 1.95 to 5.7 ± 0.6 at the final follow-up (75% improvement). There were no complications.</p><p><strong>Conclusion: </strong>UBE is a safe and effective surgical treatment option for patients with CSR with excellent clinical outcomes.</p><p><strong>Clinical relevance: </strong>Clinical relevance of this case series study is to demonstrate the safety and efficacy of the novel unilateral biportal endoscopic decompression of cervical spondylotic radiculopathy and its short term clinical outcomes.</p><p><strong>Level of evidence: 4: </strong></p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"19-26"},"PeriodicalIF":1.7,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053253/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142640018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Segmental Interbody, Muscle-Preserving, Ligamentotaxis-Enabled Reduction: \"SIMPLER\" Technique for cMIS Correction of ASD.","authors":"Jerry Robinson, David Gendelberg, Andrew Chung, Jose H Jimenez-Almonte, Babak Khandehroo, Neel Anand","doi":"10.14444/8714","DOIUrl":"10.14444/8714","url":null,"abstract":"<p><strong>Background: </strong>Correction of adult spinal deformity (ASD) through minimally invasive techniques is a challenging endeavor and has typically been reserved for experienced surgeons. This publication aims to be the first high-resolution technique guide to demonstrate a reproducible technique for ASD correction utilizing circumferential minimally invasive surgery (cMIS) without an osteotomy. The Segmental Interbody, Muscle-Preserving, Ligamentotaxis-Enabled Reduction (SIMPLER) technique is a novel ligamentotaxis-based scoliosis surgery that represents a paradigm shift from traditional osteotomies toward patient-specific correction.</p><p><strong>Methods: </strong>The senior author's (N.A.) cMIS technique for ASD correction without an osteotomy is described using high-resolution photographs, computer-generated imagery (CGI), and a case example. Step-by-step intraoperative photographs document a novel muscle-preserving posterior spinal exposure, spinal robotic safety protocol for instrumentation, dedicated deformity instrumentation system, rod reduction sequence, and minimally invasive fusion technique. CGI assists to reinforce technical considerations described by intraoperative photographs.</p><p><strong>Results: </strong>The SIMPLER technique is documented from incision to closure with high-resolution pictures including CGI to highlight concepts documented in photographs. Technical considerations were detailed for all aspects involved in the planning and execution of an osteotomy-free deformity correction.</p><p><strong>Conclusion: </strong>This represents the first in-depth technical description of ligamentotaxis-based, osteotomy-free, ASD scoliosis correction. The SIMPLER approach is reproducible and minimally invasive and can be done routinely for appropriately selected deformity candidates. This technique serves as a foundation to externally validate previously described cMIS ASD deformity correction outcomes.</p><p><strong>Clinical relevance: </strong>Circumferential minimally invasive spinal deformity correction is reproducible and can be achieved reliably through the use of the SIMPLER technique, without the use of an osteotomy.</p><p><strong>Level of evidence: 5: </strong></p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"S37-S54"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053241/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142967229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Master Techniques in Minimally Invasive Spine Surgery: Lumbar Endoscopic Spine Surgery.","authors":"Choll W Kim","doi":"10.14444/8715","DOIUrl":"10.14444/8715","url":null,"abstract":"<p><p>The difficult learning curve remains the major obstacle to adoption of lumbar endoscopic spine surgery (LESS) techniques. Detailed, step-by-step techniques are described for the uniportal transforaminal technique, as well as uniportal and biportal interlaminar approaches. Special emphasis is placed on specific areas of the learning curve that pose obvious challenges to the completion of successful surgery. Logistical challenges of the first case are addressed with electronic checklists with interactive photographs of key instruments and equipment for easy identification by staff, interactive animations of the room set-up, and interactive animations of the surgical anatomy. This technique guide is part of a comprehensive training program with the goal to \"make the first case go well.\"</p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"S55-S75"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053107/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143400304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Editor's Introduction: State of the Art in Minimally Invasive Spine Surgery-Detailed Techniques and Pearls of Wisdom From the Masters.","authors":"Neel Anand","doi":"10.14444/8710","DOIUrl":"10.14444/8710","url":null,"abstract":"","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"S6"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053218/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143459981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Lateral Transpsoas Interbody Fusion.","authors":"T Barrett Sullivan, Angel Ordaz, Frank M Phillips","doi":"10.14444/8711","DOIUrl":"10.14444/8711","url":null,"abstract":"<p><p>The lateral transpsoas approach to lumbar interbody fusion has gained widespread adoption for a variety of indications. This approach to the interbody space allows for a favorable fusion environment, disc and neuroforaminal height restoration, and powerful alignment correction. Despite its minimally invasive nature, this procedure carries unique risks, the most severe of which include bowel injury, major vascular injury, and lumbosacral plexopathy. This poses a marked learning curve and requires rigorous attention to detail in technique. In this review, we provide a detailed description of our approach to preoperative imaging, patient positioning, and surgical technique, with an emphasis on patient safety and evidence-based decision-making. A brief description of intraoperative neuromonitoring techniques follows. The lateral transpsoas approach to interbody fusion has demonstrated reliable outcomes in regard to fusion rates, pain and function, and deformity correction, all across a widespread variety of lumbar spine pathologies. Here, we depict techniques, pearls, and pitfalls that are critical for any surgeon considering whether to add this technique to their practice.</p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"S7-S18"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12052935/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nuances of the Minimally Invasive Transforaminal Lumbar Interbody Fusion: A Technical Review.","authors":"Daivik B Vyas, Brian J Park, Michael Y Wang","doi":"10.14444/8713","DOIUrl":"10.14444/8713","url":null,"abstract":"<p><strong>Background: </strong>Transforaminal lumbar interbody fusion (TLIF) achieves anterior and posterior spinal arthrodesis through a single approach. Minimally invasive surgery (MIS) methods reduce surgical morbidity while achieving positive outcomes.</p><p><strong>Methods: </strong>The major MIS-TLIF techniques, from tubular to endoscopic approaches, are reviewed with a discussion on the incorporation of new technologies and a comparative review of their outcomes.</p><p><strong>Results: </strong>MIS-TLIF approaches span a spectrum of visualization methods, with technical nuances related to patient and surgeon-specific factors determining optimal fit. To date, the superiority of 1 technique has yet to be definitively determined. Existing techniques may be integrated in a personalized manner to optimize surgical utility.</p><p><strong>Conclusions: </strong>Selection of an MIS-TLIF modality relies on a calculus between patient characteristics and surgeon faculty; proper selection can offer significant benefits to patients with spine disease.</p><p><strong>Clinical relevance: </strong>Emerging technologies for MIS-TLIF comprise a major source of development and clinical translation, while the safe and effective use of these techniques promises greater patient benefit in the right populations.</p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"S28-S36"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12052857/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142956412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prone Lateral Transpsoas Approach to the Spine: A Technical Guide for Mastery.","authors":"Juan P Giraldo, Winward Choy, Juan S Uribe","doi":"10.14444/8712","DOIUrl":"10.14444/8712","url":null,"abstract":"<p><strong>Background: </strong>The single-position prone transpsoas (PTP) lateral interbody fusion represents an alternative approach to the traditional lateral lumbar interbody fusion (LLIF) typically performed with the patient in the lateral decubitus position. Advantages of PTP surgery include improved segmental lordosis, single-position surgery, and ease of performing posterior techniques as needed. However, the learning curve of PTP is distinct from that of traditional LLIF surgery performed with the patient in the lateral decubitus position. Here, we highlight the senior author's approach to PTP surgery. The authors review key strategies of the preoperative workup, patient selection, operative techniques, and intraoperative pearls. This technical guide aims to shorten the learning curve for new adopters, optimize workflow for the surgeon, and maximize patient safety.</p><p><strong>Methods: </strong>A detailed analysis of the PTP approach was conducted, incorporating preoperative imaging and planning strategies and technical adjustments in patient positioning to accommodate access following the senior author's technical pearls. The workflow was structured to streamline transitions between levels, minimize time requirements, and reduce physical strain on the surgical team.</p><p><strong>Results: </strong>The application of PTP has demonstrated successful segmental lordosis correction and stable fusion across lumbar levels without requiring patient repositioning. The integrated workflow enabled sequential access and mastery of the PTP technique. These technical pearls have improved the efficiency of the PTP approach, according to the surgeon's expertise.</p><p><strong>Conclusion: </strong>The PTP technical strategies offer a viable and effective alternative to traditional LLIF. Surgeons can enhance the safety and efficiency of the PTP approach, maximize procedural benefits, and minimize potential risks using these technical strategies for preoperative planning, patient positioning, and intraoperative monitoring.</p>","PeriodicalId":38486,"journal":{"name":"International Journal of Spine Surgery","volume":" ","pages":"S19-S27"},"PeriodicalIF":1.7,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12053243/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143013511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}