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Henderson FC, Schubart JR, Narayanan MV, Tuchman K, Mills SE, Poppe DJ, Koby MB, Rowe PC, Francomano CA. Craniocervical instability in patients with Ehlers-Danlos syndromes: outcomes analysis following occipito-cervical fusion. Neurosurg Rev 2024; 47:27. [PMID: 38163828 PMCID: PMC10758368 DOI: 10.1007/s10143-023-02249-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 11/30/2023] [Accepted: 12/09/2023] [Indexed: 01/03/2024]
Abstract
Craniocervical instability (CCI) is increasingly recognized in hereditary disorders of connective tissue and in some patients following suboccipital decompression for Chiari malformation (CMI) or low-lying cerebellar tonsils (LLCT). CCI is characterized by severe headache and neck pain, cervical medullary syndrome, lower cranial nerve deficits, myelopathy, and radiological metrics, for which occipital cervical fusion (OCF) has been advocated. We conducted a retrospective analysis of patients with CCI and Ehlers-Danlos syndrome (EDS) to determine whether the surgical outcomes supported the criteria by which patients were selected for OCF. Fifty-three consecutive subjects diagnosed with EDS, who presented with severe head and neck pain, lower cranial nerve deficits, cervical medullary syndrome, myelopathy, and radiologic findings of CCI, underwent open reduction, stabilization, and OCF. Thirty-two of these patients underwent suboccipital decompression for obstruction of cerebral spinal fluid flow. Questionnaire data and clinical findings were abstracted by a research nurse. Follow-up questionnaires were administered at 5-28 months (mean 15.1). The study group demonstrated significant improvement in headache and neck pain (p < 0.001), decreased use of pain medication (p < 0.0001), and improved Karnofsky Performance Status score (p < 0.001). Statistically significant improvement was also demonstrated for nausea, syncope (p < 0.001), speech difficulties, concentration, vertigo, dizziness, numbness, arm weakness, and fatigue (p = 0.001). The mental fatigue score and orthostatic grading score were improved (p < 0.01). There was no difference in pain improvement between patients with CMI/LLCT and those without. This outcomes analysis of patients with disabling CCI in the setting of EDS demonstrated significant benefits of OCF. The results support the reasonableness of the selection criteria for OCF. We advocate for a multi-center, prospective clinical trial of OCF in this population.
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Affiliation(s)
- Fraser C Henderson
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD, USA.
- The Metropolitan Neurosurgery Group LLC, Silver Spring, MD, USA.
| | - Jane R Schubart
- Department of Surgery, Penn State College of Medicine, Hershey, PA, USA
| | - Malini V Narayanan
- Division of Neurosurgery, University of Maryland Capital Region Medical Center, Largo, Maryland, USA
| | - Kelly Tuchman
- The Metropolitan Neurosurgery Group LLC, Silver Spring, MD, USA
| | - Susan E Mills
- Department of Surgery, Penn State College of Medicine, Hershey, PA, USA
| | - Dorothy J Poppe
- Bobby Jones Chiari & Syringomyelia Foundation, Staten Island, New York, USA
| | - Myles B Koby
- Luminis Health, Doctors Community Medical Center, Lanham, Maryland, USA
| | - Peter C Rowe
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Clair A Francomano
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, Indiana, USA
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Bauer DF, Niazi T, Qaiser R, Infinger LK, Vachhrajani S, Ackerman LL, Jackson EM, Jernigan S, Maher CO, Pattisapu JV, Quinsey C, Raskin JS, Rocque BG, Silberstein H. Congress of Neurological Surgeons Systematic Review and Evidence-Based Guidelines for Patients With Chiari Malformation: Diagnosis. Neurosurgery 2023; 93:723-726. [PMID: 37646512 DOI: 10.1227/neu.0000000000002633] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 06/28/2023] [Indexed: 09/01/2023] Open
Abstract
BACKGROUND Chiari I malformation (CIM) is characterized by descent of the cerebellar tonsils through the foramen magnum, potentially causing symptoms from compression or obstruction of the flow of cerebrospinal fluid. Diagnosis and treatment of CIM is varied, and guidelines produced through systematic review may be helpful for clinicians. OBJECTIVE To perform a systematic review of the medical literature to answer specific questions on the diagnosis and treatment of CIM. METHODS PubMed and Embase were queried between 1946 and January 23, 2021, using the search strategies provided in Appendix I of the full guidelines. RESULTS The literature search yielded 567 abstracts, of which 151 were selected for full-text review, 109 were then rejected for not meeting the inclusion criteria or for being off-topic, and 42 were included in this systematic review. CONCLUSION Three Grade C recommendations were made based on Level III evidence. The full guidelines can be seen online at https://www.cns.org/guidelines/browse-guidelines-detail/1-imaging .
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Affiliation(s)
- David F Bauer
- Department of Neurosurgery, Baylor College of Medicine, Houston , Texas , USA
- Division of Pediatric Neurosurgery, Texas Children's Hospital, Houston , Texas , USA
| | - Toba Niazi
- Department of Neurological Surgery, Nicklaus Children's Hospital, Miami , Florida , USA
| | - Rabia Qaiser
- Department of Neurological Surgery, Indiana University School of Medicine, Indianapolis , Indiana , USA
| | - Libby Kosnik Infinger
- Department of Neurosurgery, Medical University of South Carolina (MUSC), Charleston , South Carolina , USA
| | - Shobhan Vachhrajani
- Department of Pediatrics, Wright State University Boonshoft School of Medicine, Dayton , Ohio , USA
| | - Laurie L Ackerman
- Department of Neurological Surgery, Indiana University Health, Indianapolis , Indiana , USA
| | - Eric M Jackson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore , Maryland , USA
| | - Sarah Jernigan
- Carolina Neurosurgery & Spine Associates, Charlotte , North Carolina , USA
| | - Cormac O Maher
- Department of Neurosurgery, Stanford Medicine, Palo Alto , California , USA
| | - Jogi V Pattisapu
- Pediatric Neurosurgery, University of Central Florida College of Medicine, Orlando , Florida , USA
| | - Carolyn Quinsey
- Department of Neurosurgery, University of North Carolina Chapel Hill, Chapel Hill , North Carolina , USA
| | - Jeffrey S Raskin
- Department of Neurological Surgery, Northwestern University Feinberg School of Medicine, Chicago , Illinois , USA
| | - Brandon G Rocque
- Division of Pediatric Neurosurgery, Department of Neurosurgery, University of Alabama at Birmingham, Birmingham , Alabama , USA
| | - Howard Silberstein
- Department of Neurosurgery, University of Rochester School of Medicine and Dentistry, Rochester , New York , USA
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Talamonti G, Picano M, Fragale M, Marcati E, Meccariello G, Boeris D, Cenzato M. Reoperation in Chiari-1 Malformations. J Clin Med 2023; 12:jcm12082853. [PMID: 37109192 PMCID: PMC10142814 DOI: 10.3390/jcm12082853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 04/05/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
(1) Background: The issue of unsuccessful surgery for Chiari-1 malformation (CM-1), as well as its potential causes and possible solutions, remains poorly documented and studied. (2) Methods: From a retrospective review of a personal series of 98 patients undergoing treatment for CM-1 during the past 10 years, we created two study groups. Group 1: 8 patients (8.1%) requiring additional surgeries owing to postoperative complications (7 cerebrospinal fluid leakage, 1 extradural hematoma); 7 patients (7.1%) undergoing reoperations for failed decompression during the follow-up. Group 2: During the same period, we also managed 19 patients who had previously been operated on elsewhere: 8 patients who required adequate CM-1 treatment following extradural section of the filum terminale; 11 patients requiring reoperations for failed decompression. Failed decompression was managed by adequate osteodural decompression, which was associated with tonsillectomy (6 cases), subarachnoid exploration (8 cases), graft substitution (6 cases), and occipito-cervical fixation/revision (1 case). (3) Results: There was no mortality or surgical morbidity in Group 1. However, one patient's condition worsened due to untreatable syrinx. In Group 2, there were two cases of mortality, and surgical morbidity was represented by functional limitation and pain in the patient who needed revision of the occipitocervical fixation. Twenty patients improved (58.8%), 6 remained unchanged (32.3%), 1 worsened (2.9%) and 2 died (5.9%). (4) Conclusions: The rate of complications remains high in CM-1 treatment. Unfortunately, a certain rate of treatment failure is unavoidable, but it appears that a significant number of re-operations could have been avoided using proper indications and careful technique.
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Affiliation(s)
| | - Marco Picano
- Department of Neurosurgery, ASST Niguarda, 20162 Milan, Italy
| | - Maria Fragale
- Department of Neurosurgery, ASST Niguarda, 20162 Milan, Italy
- La Sapienza, University of Rome, 00185 Rome, Italy
| | | | | | - Davide Boeris
- Department of Neurosurgery, ASST Niguarda, 20162 Milan, Italy
| | - Marco Cenzato
- Department of Neurosurgery, ASST Niguarda, 20162 Milan, Italy
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Yuan C, Guan J, Du Y, Fang Z, Wang X, Yao Q, Zhang C, Jia S, Liu Z, Wang K, Duan W, Wang X, Wang Z, Wu H, Chen Z, Jian F. Spinal Obstruction-Related vs. Craniocervical Junction-Related Syringomyelia: A Comparative Study. Front Neurol 2022; 13:900441. [PMID: 35979061 PMCID: PMC9376629 DOI: 10.3389/fneur.2022.900441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 06/23/2022] [Indexed: 01/08/2023] Open
Abstract
Background No prior reports have focused on spinal cord injury (SCI) characteristics or inflammation after destruction of the blood–spinal cord barrier by syringomyelia. This study aimed to determine the differences in syringomyelia-related central SCI between craniocervical junction (CCJ) syringomyelia and post-traumatic syringomyelia (PTS) before and after decompression. Methods In all, 106 CCJ, 26 CCJ revision and 15 PTS patients (mean history of symptoms, 71.5 ± 94.3, 88.9 ± 85.5, and 32.3 ± 48.9 months) between 2015 and 2019 were included. The symptom course was analyzed with the American Spinal Injury Association ASIA and Klekamp–Samii scoring systems, and neurological changes were analyzed by the Kaplan–Meier statistics. The mean follow-up was 20.7 ± 6.2, 21.7 ± 8.8, and 34.8 ± 19.4 months. Results The interval after injury was longer in the PTS group, but the natural history of syringomyelia was shorter (p = 0.0004 and 0.0173, respectively). The initial symptom was usually paraesthesia (p = 0.258), and the other main symptoms were hypoesthesia (p = 0.006) and abnormal muscle strength (p = 0.004), gait (p < 0.0001), and urination (p < 0.0001). SCI associated with PTS was more severe than that associated with the CCJ (p = 0.003). The cavities in the PTS group were primarily located at the thoracolumbar level, while those in the CCJ group were located at the cervical-thoracic segment at the CCJ. The syrinx/cord ratio of the PTS group was more than 75% (p = 0.009), and the intradural adhesions tended to be more severe (p < 0.0001). However, there were no significant differences in long-term clinical efficacy or peripheral blood inflammation markers (PBIMs) except for the red blood cell (RBC) count (p = 0.042). Conclusion PTS tends to progress faster than CCJ-related syringomyelia. Except for the RBC count, PBIMs showed no value in distinguishing the two forms of syringomyelia. The predictive value of the neutrophil-to-lymphocyte ratio for syringomyelia-related inflammation was negative except in the acute phase.
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Affiliation(s)
- Chenghua Yuan
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Jian Guan
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Yueqi Du
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Zeyu Fang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Xinyu Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Qingyu Yao
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Can Zhang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Shanhang Jia
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Zhenlei Liu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Kai Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Wanru Duan
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Xingwen Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Zuowei Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Hao Wu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Zan Chen
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
| | - Fengzeng Jian
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- Spine Center, China International Neuroscience Institute (CHINA-INI), Beijing, China
- Laboratory of Spinal Cord Injury and Functional Reconstruction, Xuanwu Hospital, Capital Medical University, Beijing, China
- Research Center of Spine and Spinal Cord, Beijing Institute of Brain Disorders, Capital Medical University, Beijing, China
- National Center for Neurological Disorders, Beijing, China
- *Correspondence: Fengzeng Jian
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