Operative Neurosurgery最新文献

{"title":"Origin and Course Cavernous Internal Carotid Artery Branches from the Endoscopic Endonasal Perspective: Cadaveric Study and Analysis Clinical Implications.","authors":"Edoardo Agosti, A Yohan Alexander, Danielle D Dang, Luciano C P C Leonel, Marco Zeppieri, Carlos D Pinheiro-Neto, Maria Peris-Celda","doi":"10.1227/ons.0000000000001392","DOIUrl":"10.1227/ons.0000000000001392","url":null,"abstract":"<p><strong>Background and objective: </strong>Endoscopic endonasal approaches to treat cavernous sinus lesions require detailed knowledge of the origin, course, and anatomic variations of the branches of the cavernous internal carotid artery (cICA) because inadvertent avulsion can cause intraoperative ICA injury. We aim to study the origin and course of the branches of the cICA from an endoscopic endonasal perspective and relate these branches to surgically relevant anatomic references.</p><p><strong>Methods: </strong>Sixty sides of 30 formalin-fixed specimens were dissected to identify the origin and course of cICA branches, including the inferolateral trunk (ILT), the meningohypophyseal trunk (MHT), anterior and inferior McConnell's capsular arteries (MCAs), and the superolateral trunk (SLT).</p><p><strong>Results: </strong>The ILT and MHT were bilaterally in all specimens, whereas the anterior and inferior MCAs were identified in 28% and 25% of dissected sides, respectively. The SLT was only found in 3% of sides dissected. The MHT was the most proximal branch of the cICA, and its origin was an average of 8.9 mm anterior to the foramen lacerum and 3.8 mm superior to the sellar floor. The ILT was the second most proximal branch of the cICA, which originated 6.4 mm from the MHT on average. The anterior and inferior MCAs were present in 28% and 25% of specimens, respectively. The SLT, when present, was the second most proximal branch of the cICA, which originated at a mean height of 2.7 mm from the sellar floor. Overall, complete ILT and MHT were identified in 68% and 77% of cases, respectively.</p><p><strong>Conclusion: </strong>The MHT and ILT are constant branches of the cICA, with the MHT originating from the medial cICA posterior bend 4 mm superior to the sellar floor and 9 mm anterior to the foramen lacerum, whereas the ILT arises from the lateral horizontal cICA, 2.3 mm superior to the sellar floor and 6 mm anterior to the MHT.</p>","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"687-696"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142480675","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 Relationship Between Jugular Foramen Schwannoma and Surrounding Membrane Structures and Its Surgical Application.","authors":"Jie Lin, Yonghua Cai, Hai Wang, Xianqiu Liang, Wei Xu, Qixiong Zhou, Sidi Xie, Songtao Qi, Chaohu Wang, Xi'an Zhang","doi":"10.1227/ons.0000000000001357","DOIUrl":"10.1227/ons.0000000000001357","url":null,"abstract":"<p><strong>Background and objectives: </strong>Surgical resection of jugular foramen (JF) schwannomas with minimal neurological complications is challenging because of their difficult-to-access location and complex relationships with surrounding neurovascular structures, even for experienced neurosurgeons. In this article, we elucidate the membranous anatomy of JF schwannomas, with the aim of reducing iatrogenic injury to the lower cranial nerves (LCNs) during surgery.</p><p><strong>Methods: </strong>The clinical data of 31 consecutive patients with JF schwannomas were reviewed. The relationship between the tumor and the surrounding membranous structures was observed during dissection. Samples were analyzed using Masson's trichrome and immunofluorescence staining to study the membranous characteristics. Histological-radiographic correlations were also summarized.</p><p><strong>Results: </strong>In this series, we found that all 3 type B, 2 type C, and 8 type D tumors (according to the Kaye-Pellet grading system) were entirely extradural in location, whereas the 18 type A tumors could be subdural (9 cases) or extradural (9 cases), which frequently could not be predicted preoperatively based on whether the tumor had intraforaminal extension. The dural capsule, when present, could be used as an insulating layer to protect LCNs. With this subcapsular dissection technique, postoperative LCN dysfunction occurred in 10 patients (32.3%), which was usually temporary and mild.</p><p><strong>Conclusion: </strong>The different relationships between the tumor and membranous structures of the JF is related to the distinct point of tumor origin and the complex anatomy of the meningeal dura within the JF. Subcapsular dissection technique is recommended for better preservation of LCNs when the dural capsule is identified.</p>","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"641-650"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11981385/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142332317","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clipping of Anterior Communicating Artery Aneurysm Compressing the Optic Chiasm Causing Visual Field Deficits: 2-Dimensional Operative Video.","authors":"Guilherme J Agnoletto, Farshad Nassiri, Vance Mortimer, William T Couldwell","doi":"10.1227/ons.0000000000001342","DOIUrl":"10.1227/ons.0000000000001342","url":null,"abstract":"","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"733"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142074543","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":"Robotic Resection of Spinal and Paraspinal Tumors.","authors":"Ori Barzilai, Alvin C Goh, Bernard Park, Valerie Rusch, Martin Weiser, Mario M Leitao, Anne S Reiner, William Christopher Newman, Mark H Bilsky","doi":"10.1227/ons.0000000000001333","DOIUrl":"10.1227/ons.0000000000001333","url":null,"abstract":"<p><strong>Background and objectives: </strong>Robotic arm surgical systems provide minimally invasive access and are commonly used in multiple surgical fields, with limited application in neurosurgery. Our institutional experience has led us to explore the benefits of a neurosurgeon trained to perform robotic surgery as part of a multidisciplinary team. The objective of this study is to evaluate the feasibility, safety, and outcomes of robotic resection for spinal nerve sheath tumors (NST).</p><p><strong>Methods: </strong>Retrospective case series of robotic-assisted intracavitary approaches and resection of NSTs including thoracic, retroperitoneal, and transperitoneal. Surgical outcomes are compared to a historical cohort of open surgical resection of NSTs.</p><p><strong>Results: </strong>Nineteen cases presented, of which 2 were combined posterior spinal followed by robotic tumor resection. One of 19 cases was converted to an open surgery. Gross total resection was achieved in all cases. There were 2 cases of postoperative Horner's syndrome, and 1 case with an intraoperative durotomy that was repaired primarily with no postoperative sequelae. Median estimated blood loss was 50 cc (range: 5-650) and median length of stay was 1 day (range: 0-6), with 9 (47.4%) patients discharged on postoperative day 1 and 3 (15.8%) patients discharged on an outpatient basis. Compared with our previously reported institutional outcomes for open resection of 25 tumors, there was a significant increase in rates of gross total resection (100 vs 60%, P = .002) and decrease in length of stay (median 1 vs 5 days, P < .0001).</p><p><strong>Conclusion: </strong>Robotic resection of complex paraspinal tumors appears safe and effective including for preservation of neurological function and may reduce surgical morbidity. Integration of robotic surgical platforms holds the potential to significantly affect neurological surgery.</p>","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"608-616"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005829","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":"Safety, Sequelae, and Efficacy of Nerve Root Clipping in Patients With Spontaneous Spinal Cerebrospinal Fluid Leaks.","authors":"Amir El Rahal, Benedikt Haupt, Katharina Wolf, Bianca Blass, Ioannis Vasilikos, Manou Overstijns, Mukesch Johannes Shah, Niklas Lützen, Horst Urbach, Levin Häni, Christian Fung, Jürgen Beck, Florian Volz","doi":"10.1227/ons.0000000000001401","DOIUrl":"10.1227/ons.0000000000001401","url":null,"abstract":"<p><strong>Background and objectives: </strong>Spinal cerebrospinal fluid (CSF) leaks may cause a myriad of clinical symptoms, the most common being orthostatic headache. Lateral leaks (Type II) and direct CSF-venous fistulas (Type III) are a subgroup of spinal CSF leaks, representing about 1/3 of spinal CSF leaks. This study aimed to analyze the risk and efficacy of nerve root clipping in patients with Type II and Type III CSF leaks.</p><p><strong>Methods: </strong>All consecutive patients with Type II and Type III CSF fistulas treated with nerve root clipping at our institution from May 2018 to December 2022 were included. Patients were evaluated for postoperative sensory motor deficits and neuropathic pain using the \"Douleur Neuropathique 4\" questionnaire, and the outcome was evaluated using the \"Patient Global Impression of Change\" and the return-to-work rate.</p><p><strong>Results: </strong>A total of 40 patients were included, and the mean follow-up time was 22 months. According to the Patient Global Impression of Change, significant symptoms improvement was reported in 85% of patients. Over 87% of patients returned to work fully or partially. One patient experienced a low-grade motor deficit after T1-nerve root clipping. 2.5% of patients developed postoperative neuropathic pain requiring medical treatment under which they fully improved. Over 80% of patients developed dermatomal hypoesthesia, with no reported effect on quality of life.</p><p><strong>Conclusion: </strong>The surgical strategy of noneloquent nerve root clipping shows favorable outcomes and return-to-work rates. There are instances of neuropathic pain and dermatomal hypoesthesia with no significant morbidity. Despite the favorable outcome and low recurrence rate, nerve root-sparing surgical techniques should be further explored.</p>","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"657-666"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11981435/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142480676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bilateral High-Riding Persistent First Cervical Intersegmental Arteries in a Case of Klippel-Feil Syndrome: The Technique of Vertebral Artery Mobilization for C1-C2 Reduction and Fusion for Atlanto-Axial Dislocation and Basilar Invagination: 2-Dimensional Operative Video.","authors":"Ashutosh Kumar, Arun Kumar Srivastava, Pawan Kumar Verma, Kamlesh Singh Bhaisora, Anant Mehrotra, Awdhesh Kumar Jaiswal, Sanjay Behari","doi":"10.1227/ons.0000000000001330","DOIUrl":"10.1227/ons.0000000000001330","url":null,"abstract":"","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"724-725"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005867","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 Release, Reduction, and Intra-Articular Fusion for Irreducible Type III Atlantoaxial Rotary Fixation.","authors":"Ji Wu, Yang Li, Wenxiang Chu, Fei Chen, Zhenji Xu, Yiyang Ding, Bin Ni, Xuhua Lu, Qunfeng Guo","doi":"10.1227/ons.0000000000001347","DOIUrl":"10.1227/ons.0000000000001347","url":null,"abstract":"<p><strong>Background and objectives: </strong>For irreducible atlantoaxial rotary fixation (AARF), anterior or posterior release was often needed before posterior reduction and fusion. Anterior atlantoaxial joint release has potential complications such as retropharyngeal abscess, persistent hoarseness, and infection. This study aims to assess the efficacy of posterior release, reduction, and intra-articular fusion without resecting the C2 nerve root on irreducible type III AARF.</p><p><strong>Methods: </strong>The data of 9 pediatric patients diagnosed with AARF who underwent posterior atlantoaxial release, reduction, and intra-articular fusion without resecting the C2 nerve root were retrospectively reviewed. Japanese Orthopaedic Association scores and Visual Analog Scale for Neck Pain were used to assess outcomes. The preoperative and follow-up assessments of atlantodens interval (ADI) were documented to evaluate the reduction of atlantoaxial joint. The patient demographics, surgery time, blood loss, bone fusion time, follow-up period, and surgery-related complications were meticulously documented.</p><p><strong>Results: </strong>The mean follow-up duration was 35.1 ± 11.5 months. Complete reduction was achieved in 8 patients, while one patient did not achieve complete reduction. The ADI decreased significantly from 8.7 ± 2.2 mm before surgery to 2.1 ± 1.3 mm at the final follow-up. All patients demonstrated successful bone fusion, with an average fusion period of 3.7 ± 1.3 months. The Visual Analog Scale for Neck Pain at the final follow-up exhibited a significant decrease compared with preoperative values ( P < .05), while no significant difference was observed in Japanese Orthopaedic Association scores. There were no complications related to surgery.</p><p><strong>Conclusion: </strong>Posterior atlantoaxial release, reduction, and intra-articular fusion with a C2 nerve root preservation technique is effective in the treatment of irreducible type III AARF.</p>","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"627-633"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142114764","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":"Impact of Sigmoid Sinus Anatomy on Assessing the Feasibility of the Retrofacial Access to the Entire Jugular Fossa Before Surgery.","authors":"Zafer Cinibulak, Jörg Poggenborg, Stefanie Schliwa, Samer Zawy Alsofy, Thomas Fortmann, Marc Lewitz, Mihai Manu, Nima Ostovar, Jimmy Landry Zepa Yotedje, Makoto Nakamura","doi":"10.1227/ons.0000000000001331","DOIUrl":"10.1227/ons.0000000000001331","url":null,"abstract":"<p><strong>Background and objectives: </strong>The jugular fossa (JF) is a challenging area for surgical approaches because of its complex anatomy and proximity to neurovascular structures. The study evaluates the feasibility of the neuronavigated microsurgical transmastoid extended infralabyrinthine extradural retrofacial approach (mTEIER-A) in human head specimens for accessing the entire intraosseous JF in relation to the position of the sigmoid sinus (SS), horizontal angle of attack, and size of the SS.</p><p><strong>Methods: </strong>The mTEIER-A was performed on human head specimens. Before dissection, the position of the SS, horizontal angle of attack, and size of the SS were measured on tilted axial high resolution computed tomography scans; after dissection, access to the lateral aspect of the JF on dissected human head specimens and on postoperative high-resolution computed tomography scans was examined. The position of the SS was classified relative to a predefined reference line, and the feasibility of retrofacial access was documented.</p><p><strong>Results: </strong>SS positions located medial to the reference line (P1) and horizontal angles >12.5° significantly enhance retrofacial access to the lateral aspect of the JF, whereas the size of the SS has a limited impact.</p><p><strong>Conclusion: </strong>Depending on the position of the SS and the horizontal angle of access, mTEIER-A provides sufficient retrofacial access to the lateral aspect of the JF. These findings emphasize the need for precise preoperative planning and suggest that mTEIER-A could minimize the need for more invasive approaches, potentially reducing related morbidity. Further clinical studies are recommended to validate these findings.</p>","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"677-686"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142156609","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":"Ruptured Perinidal Aneurysm Clipping and Spinal Arteriovenous Malformation Resection: 2-Dimensional Operative Video.","authors":"Otavio F De Toledo, Manuel F Granja, Gustavo Maldonado Cortez, Salvador F Gutierrez-Aguirre, Amin Aghaebrahim, Eric Sauvageau, Ricardo A Hanel","doi":"10.1227/ons.0000000000001345","DOIUrl":"10.1227/ons.0000000000001345","url":null,"abstract":"","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"741-742"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142114765","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 Spinal Realignment Technique for Correction of Adolescent Distal Junctional Kyphosis: 2-Dimensional Operative Video.","authors":"Olivia E Gilbert, Kelly Chamberlin, Pawel Grabala, Michael Galgano","doi":"10.1227/ons.0000000000001332","DOIUrl":"10.1227/ons.0000000000001332","url":null,"abstract":"","PeriodicalId":54254,"journal":{"name":"Operative Neurosurgery","volume":" ","pages":"740"},"PeriodicalIF":1.7,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005865","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}