Journal of neurological surgery. Part A, Central European neurosurgery最新文献

{"title":"Microsurgical Resection of a Medullary Cavernous Malformation via the Far-Lateral Approach in the Presence of an Arcuate Foramen.","authors":"Ufuk Erginoglu, Serhat Aydin, Cagdas Ataoglu, Selin Bozdag, Bilal Yekeler, Tugrul Sensoy, Umid Sulaimanov, Mustafa K Baskaya","doi":"10.1055/a-2726-3388","DOIUrl":"10.1055/a-2726-3388","url":null,"abstract":"<p><strong>Background: </strong>Approximately 14% of cavernous malformations (CMs) occur in the medulla oblongata, where their proximity to vital neural structures makes surgical intervention challenging. Anatomical variations, such as an arcuate foramen (AF), a bony canal that encases the vertebral artery (VA), may further complicate surgery by obstructing the surgical view during exposure of the anterolateral surface of the medulla and by restricting VA mobilization, which may be necessary in some cases. We present a case of a medullary CM coexisting with an AF, which required tailored surgical strategies for safe and effective resection. To our knowledge, this is the first report to document this combined pathology, accompanied by a surgical video.</p><p><strong>Methods: </strong>A 25-year-old male presented with right-sided hemiparesis. Magnetic resonance imaging (MRI) revealed a large hemorrhagic medullary CM. The patient underwent a left far-lateral transcondylar approach for resection of the CM.</p><p><strong>Results: </strong>The AF was encountered intraoperatively and had to be unroofed to achieve an adequate surgical trajectory. Gross total resection was achieved, and the patient made an excellent recovery without postoperative neurological deficit.</p><p><strong>Conclusion: </strong>The far-lateral approach provides excellent access for resection of anterior medullary CMs. This case highlights the importance of detailed preoperative planning, intraoperative strategy, and real-time navigation, particularly when anatomical variations such as the AF are present. Although the AF may hinder exposure and require tailored adjustments, it does not inherently complicate the entire procedure unless VA mobilization results in vascular injury.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"305-308"},"PeriodicalIF":0.8,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145355093","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":"Synovial Cyst Presenting in the Hypoglossal Canal Causing CNXII Palsy: Report of an Illustrative Case with a Review of Natural Anatomy.","authors":"Sara Luck, Hiba Shaqra, Eaton Lin, Philip E Stieg","doi":"10.1055/a-2849-8851","DOIUrl":"10.1055/a-2849-8851","url":null,"abstract":"<p><strong>Abstract: </strong>This study reports a 55-year-old patient admitted to our outpatient clinic with unilateral tongue atrophy. He had undergone various workups without any result for diagnosis prior to presenting to our clinic.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":"87 4","pages":"309-312"},"PeriodicalIF":0.9,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148225994","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":"Optimizing Initial Shunt Pressure in Idiopathic Normal Pressure Hydrocephalus.","authors":"Rodolfo Casimiro Reis, Miguel Bertelli Ramos, Igor Napoleão Paiva Araújo, João Carlos Teixeira Leal Filho, Victor da Maia Silva Cachapuz, Fernando Campos Gomes Pinto, José Marcus Rotta","doi":"10.1055/a-2793-8905","DOIUrl":"10.1055/a-2793-8905","url":null,"abstract":"<p><strong>Background: </strong>Although setting a low initial opening pressure in a programmable valve with a gravitational unit seems to be the gold standard treatment for idiopathic normal pressure hydrocephalus (iNPH) patients, there are no studies in the literature describing the optimal initial low-pressure setting. Here, we sought to describe the optimal initial opening pressure setting for iNPH in terms of both efficacy and safety.</p><p><strong>Materials and methods: </strong>Patients with probable iNPH underwent shunt surgery with a programmable valve with a gravitational unit, using either an opening pressure of 3 or 6.5 cmH₂O, and were prospectively followed for 1 year. Clinical improvement and complications were recorded.</p><p><strong>Results: </strong>Nineteen patients with an opening pressure of 3 cmH₂O and 37 patients with an opening pressure of 6.5 cmH₂O were analyzed. There was no significant difference between the groups. A significant improvement in the iNPH Japanese scale score was observed 1 year following shunt placement in both the 3.0 cmH₂O (<i>p</i> = 0.001) and 6.5 cmH₂O groups (<i>p</i> < 0.001), but there was no statistical difference between groups (<i>p</i> = 0.708). Two patients (10.5%) had subdural effusions that required surgery in the 3 cmH₂O group and none in the 6.5 cmH₂O group (<i>p</i> = 0.043).</p><p><strong>Conclusion: </strong>Patients with iNPH treated with a programmable valve with an initial opening pressure of 6.5 cmH₂O showed the same clinical improvement as those treated with an initial opening pressure of 3 cmH₂O but with fewer overdrainage complications.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"268-272"},"PeriodicalIF":0.8,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146030041","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":"Microsurgical Resection of a Cavernous Malformation of the Trochlear Nerve: A Case Report.","authors":"Katharina Krause, Peter Vajkoczy, Anton Früh","doi":"10.1055/a-2844-9987","DOIUrl":"10.1055/a-2844-9987","url":null,"abstract":"<p><strong>Background: </strong>Cavernous malformations (CMs) involving cranial nerves are exceedingly rare. To date, only six cases of trochlear nerve involvement have been published in the literature. We present the case of a microsurgical resection of a CM affecting the trochlear nerve.</p><p><strong>Methods: </strong>We report the clinical case of a 32-year-old patient who developed diplopia due to a CM affecting the trochlear nerve. Magnetic resonance imaging (MRI) showed a contrast lesion measuring 9 × 5 mm affecting the trochlear nerve. Microsurgical resection of the lesion via a subtemporal approach under continuous neuromonitoring was performed.</p><p><strong>Results: </strong>The patient underwent successful microsurgical resection. Postoperatively, the patient's diplopia remained unchanged. No new neurological deficits were observed.</p><p><strong>Conclusion: </strong>This case demonstrates the feasibility and safety of microsurgical resection of a trochlear nerve CM. Given the rarity of this entity, individual case reports contribute valuable insight into diagnosis and surgical management.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"301-304"},"PeriodicalIF":0.9,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147581521","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":"A Rare Presentation of Concurrent Typical, Atypical, and Aggressive Thoracic Vertebral Hemangiomas: Insights into Histological Variability and Multidisciplinary Management.","authors":"J S R G Saran, Mahesh M, Ravikumar Tv, Harshith Gopinath, Pavan Kumar M","doi":"10.1055/a-2790-5191","DOIUrl":"10.1055/a-2790-5191","url":null,"abstract":"<p><strong>Background: </strong>Vertebral hemangiomas are typically benign and asymptomatic, but a small subset, known as aggressive vertebral hemangiomas, may present with neurological deficits due to extraosseous extension and spinal cord compression. These cases require timely diagnosis and a multidisciplinary management approach.</p><p><strong>Case presentation: </strong>A 42-year-old man presented with acute-onset severe mid-back pain for 2 months. Neurological examination revealed exaggerated reflexes without motor or sensory deficits. Magnetic resonance imaging showed expansile lesions at T7, T9, and T10, with additional angiomatous lesions at T3 and T4. T7 and T10 lesions caused spinal cord compression. Preoperative embolization of T7 and T10 was performed using polidocanol. The patient subsequently underwent vertebroplasty at T7, T9, and T10 levels, pedicle screw fixation from T4 to T11, posterior decompression at T6 to T7 and T9 to T10. Intraoperative biopsies revealed a cavernous hemangioma at T7 and a capillary hemangioma at T9. No malignancy was found.</p><p><strong>Results: </strong>Postoperative recovery was uneventful, with early mobilization and significant functional improvement. At 2-year follow-up, the patient had no pain or neurological symptoms, and radiographs showed stable fixation with no recurrence.</p><p><strong>Conclusion: </strong>Aggressive vertebral hemangiomas, though rare, should be considered in patients with progressive neurological symptoms. Early diagnosis, embolization, surgical decompression, and stabilization can yield excellent outcomes.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"294-300"},"PeriodicalIF":0.8,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146003810","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":"Collision Tumor of the Clivus: Chordoma and Chronic Lymphocytic Leukemia.","authors":"Marcos Ezequiel Yasuda, Shannon Hart, Jian-Qiang Lu, Almunder Algird","doi":"10.1055/a-2705-2937","DOIUrl":"10.1055/a-2705-2937","url":null,"abstract":"<p><p>Collision tumors, defined as the simultaneous occurrence of two distinct neoplasms within the same anatomical location, are exceptionally rare in the clivus. The coexistence of chordoma and chronic lymphocytic leukemia (CLL) within the clivus has not been previously reported, making this case particularly noteworthy.We present the case of a 69-year-old woman with a known history of stable CLL who presented with a 3-month history of progressive right-sided horizontal diplopia and hemianopsia. Imaging revealed a large sellar/suprasellar lesion with significant involvement of both cavernous sinuses, prompting surgical intervention. An endoscopic endonasal transsphenoidal and transclival approach was utilized to achieve near-total mass resection, with a small remnant left in the right cavernous sinus due to its proximity to the internal carotid artery. Histopathological examination confirmed the presence of a collision tumor composed of chordoma and CLL.This case represents the first reported instance of a collision tumor involving a chordoma and CLL within the clivus. The patient's postoperative course was uneventful, and she remains stable at 3-month follow-up after receiving adjuvant radiotherapy. The rarity of such a collision tumor underscores the need for heightened clinical suspicion and thorough pathological evaluation in cases presenting with atypical skull base lesions. The involvement of a multidisciplinary team was crucial in the management and favorable outcome of this complex case.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"235-240"},"PeriodicalIF":0.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145092094","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":"Predicting Postoperative Discharge Status and Readmissions in Spinal Metastatic Disease Using Machine Learning Models.","authors":"Renuka Chintapalli, Philip Heesen, Atman Desai","doi":"10.1055/a-2726-3336","DOIUrl":"10.1055/a-2726-3336","url":null,"abstract":"<p><p>Operative management of spinal metastatic disease is largely for symptom palliation rather than curative and revolves around the expectation that postoperative survival will exceed recovery time. While several scoring systems and models to predict survival exist, few studies have unified diverse predictors into integrated models to predict short-term postoperative outcomes as indicators of recovery.The Merative™ MarketScan® Commercial Database and the accompanying Medicare Supplement were queried for adult patients receiving surgery for extradural spinal metastatic disease between 2006 and 2023. Primary outcomes of interest were non-home discharge (NHD) and unplanned 90-day postdischarge readmission. Inpatient length of stay (LOS) was assessed as a secondary outcome. Five models (Extreme Gradient Boosting, Support Vector Machine, Neural Network, Random Forest, and Penalized Logistic Regression) were trained on a 70% training sample and validated on the withheld 30%.A total of 1,926 patients were included. Thoracic spine localization (vs. cervical, odds ratio [OR]: 2.83, 95% confidence interval [CI]: [1.74-4.58]) was associated with higher odds, while postresection arthrodesis (vs. no arthrodesis, OR = 1.24, [0.59-0.97]) and intraoperative neuromonitoring (vs. not, OR = 0.45, [0.31-0.66]) were associated with lower odds, of NHD. Utilizing a combined anterior and posterior approach (vs. anterior, OR = 0.50, [0.33-0.75]) and arthrodesis (OR = 0.96, [0.75-1.23]) were associated with lower odds of 90-day readmission. Similarly, using intraoperative neuromonitoring (B = - 1.84, [-2.72, -0.97]) or operating microscope (vs. not, B = - 1.71, [-2.66, -0.76]), postresection arthrodesis (B = - 0.17 [-2.66, -0.76]) were associated with shorter LOS, while thoracic localization (B = 1.67, [0.57, 2.76]) was associated with extended LOS. The random forest algorithm demonstrated the best overall predictive performance in the withheld validation cohort when assessing NHD (area under the curve [AUC] = 0.68, calibration slope = 0.82) and unplanned 90-day readmission (AUC = 0.67, calibration slope = 0.87).We developed and validated parsimonious predictive models to estimate the risk of NHD and 90-day readmission after surgery for extradural spinal metastatic disease. After integration into physician- and patient-facing interfaces, these models may serve as clinically useful decision tools to enhance prognostication and management.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"176-183"},"PeriodicalIF":0.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145878607","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":"A Bibliometric Analysis of Neurosurgical Research in Africa: Trends, Challenges, and Future Directions.","authors":"Inibehe Ime Okon, Marianna E Kapsetaki, Olutayo Toriola, Bipin Chaurasia, Muhammad Kabir Musa, Arwa Salam Alabide, Don Eliseo Lucero-Prisno","doi":"10.1055/a-2679-5657","DOIUrl":"10.1055/a-2679-5657","url":null,"abstract":"<p><p>Neurosurgery in Africa has quite different realities compared to the developed countries, with emphasis on clinical procedures rather than research. The aim of this study was to conduct a bibliometric analysis of neurosurgical research to understand the trends across Africa. We examined the scientific production, collaboration, and publication impact of African institutions from 2010 to 2024. This bibliometric analysis provides information on the statistical tendencies, challenges, and recommendations to improve engagement in neurosurgical research in Africa.Following the Preferred Reporting Items for Bibliometric Analysis (PRIBA) guidelines, a PubMed search was conducted starting on October 9, 2024, where 1,431 publications affiliated with neurosurgical institutions were found. The bibliometric analysis was done using the <i>bibliometrix</i> package from <i>RStudio</i> 4.4.1 version, which involved analyzing the annual scientific production (evaluated in 5-year increments), the countries' scientific production and collaborations, and the most productive affiliations and journals in the context of neurosurgical research in Africa.Egypt, Nigeria, and South Africa are the major contributors to neurosurgical research in Africa, with an upward trend in publications predominantly seen in 2023. These countries' most prevalent collaborators are the United States, India, and Burundi, respectively. Regarding the journals, <i>World Neurosurgery</i>, <i>Child's Nervous System</i>, and <i>Neurosurgical Review</i> were the ones that mostly published Africa-affiliated neurosurgical papers.Amid the challenges, research endeavors in the field of neurosurgery in Africa have yielded some progress, as seen by the upward trend in publication output and the international collaborations among researchers. Recommendations include the need to further strengthen collaborations internationally, infrastructural improvements, and quality enhancement of local research outputs to meet global standards.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"184-191"},"PeriodicalIF":0.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145513136","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":"The New Surface-Modified Flow Diverter p48 MW HPC Device Implanted in Arteries under 2.0 mm Diameter for Treatment of Distal Intracranial Aneurysms.","authors":"Pedro Lucas Moreira Fernandes, Luis H de Castro-Afonso, Guilherme Seizem Nakiri, Ricardo Santos de Oliveira, Benedicto Oscar Colli, Daniel Giansante Abud","doi":"10.1055/a-2697-4429","DOIUrl":"10.1055/a-2697-4429","url":null,"abstract":"<p><p>Preliminary studies on the new modified surface flow diverters (FD) have shown promising results in the treatment of distal aneurysms. However, there is a lack of data in the literature regarding the use of these devices in very small-caliber arteries. The aim of this study was to analyze the safety and efficacy of the p48 MW HPC device (Wallaby-phenox, Bochum, Germany) device in the treatment of intracranial aneurysms associated with parent arteries with a diameter of <2.0 mm.Sixteen patients were prospectively evaluated from November 2019 to July 2023. All patients underwent follow-ups at 1, 6, and 12 months. Safety was assessed using the modified Rankin Scale and the National Institutes of Health Stroke Scale. Efficacy was defined as complete (grade D) or partial (grade C) aneurysm occlusion, as assessed by the O'Kelly-Marotta scale (OKM).The mean proximal and distal artery diameters were 1.61 mm (1.3-1.9) and 1.5 mm (1.0-1.8), respectively. All procedures were performed with technical success, and no severe adverse events occurred. At the 12-month follow-up, no patients experienced serious adverse events, new neurological symptoms, or deficits. At this stage, seven aneurysms were completely occluded (OKM grade D: 43.7%), and four aneurysms showed entry remnant contrast (OKM grade C: 25%).The treatment of distal unruptured aneurysms with the p48 MW HPC device device appears to be safe in vessels with a diameter of <2 mm. Larger studies with long-term follow-ups are necessary to better clarify the outcomes reported.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"207-212"},"PeriodicalIF":0.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145513195","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":"Additional Lateral Intermuscular Access to Standard Costotransversectomy Increases Surgical Operability and Exposure in the Resection of Large Median Thoracic Disc Herniations.","authors":"Filippo Gagliardi, Pierfrancesco De Domenico, Enrico Garbin, Martina Piloni, Silvia Snider, Francesca Roncelli, Pietro Mortini","doi":"10.1055/a-2726-3463","DOIUrl":"10.1055/a-2726-3463","url":null,"abstract":"<p><p>Thoracic disc herniations still represent a challenge for spinal surgeons. Their intimate relationship with the spinal cord and the difficult access to the target area are limiting factors even in expert hands.We describe a novel technical variant of the standard costotransversectomy (CTT) approach that utilizes an additional intermuscular corridor between the longissimus and iliocostalis muscles to access the central portion of the spinal canal.An anthropometric study was conducted on neuroimaging in the general population to quantify the working distance, the maneuverability arc, and the surgical angle of incidence recorded on the central canal compartment, as provided by the proposed additional lateral intermuscular access (ALIA) in the CTT approach. The described technique has been applied in the clinical setting. We here report an illustrative case.ALIA allows additional access to the central canal compartment with comparable exposure and surgical operability as those provided by the minimally invasive extracavitary approach (ECA). By respecting the regional muscular and vascular anatomy, it potentially reduces the risk of devascularization damage associated with the standard ECA. The combination of a median and a lateral exposure maintains the advantage of ECA multiangularity, allowing, where necessary, canal decompression and the possibility of easily instrumenting the spine segment.Combining ALIA with a standard CTT optimizes exposure and surgical operability on the central canal compartment, as after performing a standard ECA, but avoiding extensive dissection of the paravertebral tissues and muscles. Median complex thoracic disc herniations represent the main indication for this technical variant.</p>","PeriodicalId":16544,"journal":{"name":"Journal of neurological surgery. Part A, Central European neurosurgery","volume":" ","pages":"229-234"},"PeriodicalIF":0.9,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147276483","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}