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Martin A, Zahir J, Smith N, Raji O, Nelles D, Kondrashov D. High incidence of dural tears with 3-column osteotomies: a systematic review of adult spinal deformity surgery literature for the past decade. Spine Deform 2024:10.1007/s43390-024-00916-w. [PMID: 38914908 DOI: 10.1007/s43390-024-00916-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 06/03/2024] [Indexed: 06/26/2024]
Abstract
PURPOSE Dural tear (DT) is a well-known complication of spinal surgery. We aimed to systematically review the literature from the past decade and determine the incidence and risk factors for DT in the adult spinal deformity (ASD) population to improve both the surgical strategy and counseling of patients undergoing ASD correction. METHODS A systematic review from 2013 to 2023 utilizing PRISMA guidelines was performed. The MEDLINE database was used to collect primary English language articles. The inclusion criterion for patients was degenerative ASD. Pediatric studies, animal studies, review articles, case reports, studies investigating minimally invasive surgery (MIS), studies lacking data on DT incidence, and articles pertaining to infectious, metastatic or neoplastic, traumatic, or posttraumatic etiologies of ASD were excluded. RESULTS Our results demonstrate that the incidence of DT in ASD surgery ranges from 2.0% to 35.7%, which is a much broader range than the reported incidence for non deformity surgery. Moreover, the average rate of DT during ASD surgery stratified by surgical technique was greater for osteotomy overall (19.5% +/- 7.9%), especially for 3-column osteotomy (3CO), and lower for interbody fusion (14.3% +/- 9.9%). Risk factors for DT in the ASD surgery cohort included older age, revision surgery, chronic severe compression, higher-grade osteotomy, complexity of surgery, rheumatoid arthritis (RA), and higher Anesthesiology Society of America (ASA) grade. CONCLUSION To our knowledge, this is the first systematic review discussing the incidence of and risk factors for DT in the ASD population. We found that the risk factors for DT in ASD patients were older age, revision surgery, chronic severe compression, a greater degree of osteotomy, complexity of surgery, RA, and a higher ASA grade. These findings will help guide spine surgeons in patient counseling as well as surgical planning.
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Affiliation(s)
- Anna Martin
- Department of Orthopaedic Surgery, San Francisco Orthopaedic Residency Program, St. Mary's Spine Center, 450 Stanyan St, San Francisco, CA, 94117, USA
- The Taylor Collaboration Orthopaedic Biomechanics Laboratory, San Francisco, CA, USA
| | - Jamal Zahir
- The Taylor Collaboration Orthopaedic Biomechanics Laboratory, San Francisco, CA, USA
| | - Nathan Smith
- Penn State College of Medicine, Hershey, PA, USA
| | - Oluwatodimu Raji
- Department of Orthopaedic Surgery, San Francisco Orthopaedic Residency Program, St. Mary's Spine Center, 450 Stanyan St, San Francisco, CA, 94117, USA
- The Taylor Collaboration Orthopaedic Biomechanics Laboratory, San Francisco, CA, USA
| | - David Nelles
- Department of Orthopaedic Surgery, San Francisco Orthopaedic Residency Program, St. Mary's Spine Center, 450 Stanyan St, San Francisco, CA, 94117, USA
- The Taylor Collaboration Orthopaedic Biomechanics Laboratory, San Francisco, CA, USA
| | - Dimitriy Kondrashov
- Department of Orthopaedic Surgery, San Francisco Orthopaedic Residency Program, St. Mary's Spine Center, 450 Stanyan St, San Francisco, CA, 94117, USA.
- The Taylor Collaboration Orthopaedic Biomechanics Laboratory, San Francisco, CA, USA.
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Cheng X, Zhang Z, Ren H, Zou Z, Zhang Y, Qu Y, Chen X, Zhao J, He C. A low-swelling hydrogel as a multirole sealant for efficient dural defect sealing and prevention of postoperative adhesion. Natl Sci Rev 2024; 11:nwae160. [PMID: 38867893 PMCID: PMC11168225 DOI: 10.1093/nsr/nwae160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/30/2024] [Accepted: 04/28/2024] [Indexed: 06/14/2024] Open
Abstract
Dural defects and subsequent complications, including cerebrospinal fluid (CSF) leakage, are common in both spine surgery and neurosurgery, and existing clinical treatments are still unsatisfactory. In this study, a tissue-adhesive and low-swelling hydrogel sealant comprising gelatin and o-phthalaldehyde (OPA)-terminated 4-armed poly(ethylene glycol) (4aPEG-OPA) is developed via the OPA/amine condensation reaction. The hydrogel shows an adhesive strength of 79.9 ± 12.0 kPa on porcine casing and a burst pressure of 208.0 ± 38.0 cmH2O. The hydrogel exhibits a low swelling ratio at physiological conditions, avoiding nerve compression in the limited spinal and intracranial spaces. In rat and rabbit models of lumbar and cerebral dural defects, the 4aPEG-OPA/gelatin hydrogel achieves excellent performance in dural defect sealing and preventing CSF leakage. Moreover, local inflammation, epidural fibrosis and postoperative adhesion in the defect areas are markedly reduced. Thus, these findings establish the strong potential of the hydrogel sealant for the effective watertight closure of dural defects.
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Affiliation(s)
- Xueliang Cheng
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Department of Orthopedics, The Second Norman Bethune Hospital of Jilin University, Changchun 130014, China
| | - Zhen Zhang
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Hui Ren
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Zheng Zou
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Yu Zhang
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Yang Qu
- Department of Orthopedics, The Second Norman Bethune Hospital of Jilin University, Changchun 130014, China
| | - Xuesi Chen
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Jianwu Zhao
- Department of Orthopedics, The Second Norman Bethune Hospital of Jilin University, Changchun 130014, China
| | - Chaoliang He
- CAS Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, China
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Wei S, Jiang A, Sun H, Zhu J, Jia S, Liu X, Xu Z, Zhang J, Shang Y, Fu X, Li G, Wang P, Xia Z, Jiang T, Cao A, Duan X. Shape-changing electrode array for minimally invasive large-scale intracranial brain activity mapping. Nat Commun 2024; 15:715. [PMID: 38267440 PMCID: PMC10808108 DOI: 10.1038/s41467-024-44805-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
Large-scale brain activity mapping is important for understanding the neural basis of behaviour. Electrocorticograms (ECoGs) have high spatiotemporal resolution, bandwidth, and signal quality. However, the invasiveness and surgical risks of electrode array implantation limit its application scope. We developed an ultrathin, flexible shape-changing electrode array (SCEA) for large-scale ECoG mapping with minimal invasiveness. SCEAs were inserted into cortical surfaces in compressed states through small openings in the skull or dura and fully expanded to cover large cortical areas. MRI and histological studies on rats proved the minimal invasiveness of the implantation process and the high chronic biocompatibility of the SCEAs. High-quality micro-ECoG activities mapped with SCEAs from male rodent brains during seizures and canine brains during the emergence period revealed the spatiotemporal organization of different brain states with resolution and bandwidth that cannot be achieved using existing noninvasive techniques. The biocompatibility and ability to map large-scale physiological and pathological cortical activities with high spatiotemporal resolution, bandwidth, and signal quality in a minimally invasive manner offer SCEAs as a superior tool for applications ranging from fundamental brain research to brain-machine interfaces.
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Affiliation(s)
- Shiyuan Wei
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Anqi Jiang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Hongji Sun
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Jingjun Zhu
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- National Biomedical Imaging Centre, Peking University, Beijing, 100871, China
| | - Shengyi Jia
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Xiaojun Liu
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Zheng Xu
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Jing Zhang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Yuanyuan Shang
- Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou, 450052, China
| | - Xuefeng Fu
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Gen Li
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
| | - Puxin Wang
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Zhiyuan Xia
- School of Materials Science and Engineering, Peking University, Beijing, China
| | - Tianzi Jiang
- Brainnetome Centre, Institute of Automation, Chinese Academy of Sciences (CAS), Beijing, 100190, China
| | - Anyuan Cao
- School of Materials Science and Engineering, Peking University, Beijing, China
| | - Xiaojie Duan
- Department of Biomedical Engineering, College of Future Technology, Peking University, Beijing, 100871, China.
- Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China.
- National Biomedical Imaging Centre, Peking University, Beijing, 100871, China.
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Midtlien JP, Curry BP, Chang E, Kiritsis NR, Aldridge JB, Fargen KM. Characterizing a new clinical phenotype: the co-existence of cerebral venous outflow and connective tissue disorders. Front Neurol 2024; 14:1305972. [PMID: 38269002 PMCID: PMC10806170 DOI: 10.3389/fneur.2023.1305972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 12/26/2023] [Indexed: 01/26/2024] Open
Abstract
Background There is increasing recognition of connective tissue disorders and their influence on disease in the general population. A conserved clinical phenotype involving connective tissue disorders and idiopathic intracranial hypertension (IIH) and associated cerebral venous outflow disorders (CVD) has not been previously described. Methods A single-institution retrospective review of a prospectively maintained database of patients with connective tissue disorders and CVD was performed. Results A total of 86 patients were identified. The majority of these patients carried a diagnosis of Ehlers-Danlos syndrome (55%) and most were non-obese (mean body mass index 29.7 kg/m2), Caucasian (90%) females (87%). Most prevalent presenting symptoms included pressure headache (98%), dizziness (90%), tinnitus (92%), and cognitive dysfunction (69%). Aside from CVD and IIH, the most common associated conditions were postural orthostatic tachycardia syndrome (POTS; 55.8%), cerebrospinal fluid (CSF) leaks (51.2%), dysautonomia (45.3%), cranio-cervical instability (37.2%), mast cell activation syndrome (25.6%), and tethered cord syndrome (23.3%). Allergies to medications (87.2%) and surgical tape (19.8%) were also frequent. Despite significantly lower opening pressures on lumbar puncture, headache severity and quality of life scores were reported with the same severity of classic IIH patients, suggesting an underlying hypersensitivity to intracranial pressures and cerebral venous congestion. Conclusion There is a rare but conserved clinical phenotype that has not been described previously that presents with severe IIH symptoms in predominantly young, non-obese Caucasian women with a high associated incidence of dysautonomia, POTS, craniocervical instability, and CSF leaks, among others.
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Affiliation(s)
- Jackson P. Midtlien
- Neurosurgery Department, Wake Forest School of Medicine, Winston-Salem, NC, United States
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Bishop R, Chen A, Yates WD, Fowler J, Macres S. Update and Advances on Post-dural Puncture Headache. Adv Anesth 2023; 41:71-85. [PMID: 38251623 DOI: 10.1016/j.aan.2023.05.005] [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] [Indexed: 01/23/2024]
Abstract
This document provides an overview of post-dural puncture headache (PDPH), covering its historical perspective, anatomy and physiology of cerebrospinal fluid (CSF), pathophysiology, risk factors, diagnosis, and treatment options. PDPH is a common complication of dural puncture, characterized by a postural headache due to CSF leakage. The understanding of CSF and dural anatomy has evolved over time, leading to advancements in diagnosing and managing PDPH. Treatment options range from conservative measures to epidural blood patch, intrathecal catheter, and regional techniques like sphenopalatine ganglion block and greater occipital nerve block. Further research is needed to optimize treatment approaches and improve patient outcomes.
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Affiliation(s)
- Robert Bishop
- Department of Anesthesiology & Pain Medicine, UC Davis Medical Center, 4150 V Street, PSSB Suite 1200, Sacramento, CA 95817, USA.
| | - Amy Chen
- Department of Anesthesiology & Pain Medicine, UC Davis Medical Center, 4150 V Street, PSSB Suite 1200, Sacramento, CA 95817, USA
| | - William Derois Yates
- Department of Anesthesiology & Pain Medicine, UC Davis Medical Center, 4150 V Street, PSSB Suite 1200, Sacramento, CA 95817, USA
| | - Julie Fowler
- Department of Anesthesiology & Pain Medicine, UC Davis Medical Center, 4150 V Street, PSSB Suite 1200, Sacramento, CA 95817, USA
| | - Stephen Macres
- Department of Anesthesiology & Pain Medicine, UC Davis Medical Center, 4150 V Street, PSSB Suite 1200, Sacramento, CA 95817, USA
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AbdelFatah MAR. Acetazolamide, Short Bed Rest, and Subfascial Off-Suction Drainage in Preventing Persistent Spinal Fluid Leaks from Incidental Dural Tears. J Neurol Surg A Cent Eur Neurosurg 2023; 84:558-561. [PMID: 36693410 DOI: 10.1055/s-0042-1760228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Postoperative cerebrospinal fluid (CSF) leak might occur after the repair of dural tears. Acetazolamide lowers intradural pressure by decreasing CSF production. The aim of this study was to investigate the incidence of persistent CSF leak from incidental dural tears after using acetazolamide, short bed rest, and subfascial off-suction drainage. METHODS The medical records at the Ain Shams University hospital were examined retrospectively for this descriptive single-arm cohort study. Adult patients who underwent lumbar degenerative spine surgery from January 2011 through January 2021 were enrolled. The included patients experienced a CSF leak and were administered acetazolamide 1.5 g/d from postoperative day (POD) 1 to POD 7. Subfascial drainage was kept for a maximum of 5 days without suction. RESULTS Seventy-four patients met the inclusion criteria of the study. Fifty-nine patients (79.7%) had recurrent lumbar surgery. The average age of the patients was 55.7 years. In all patients, the quantity of fluid in the drain decreased on a daily basis. The subfascial drain was kept for 5 days in 26 patients (35.1%). There was no wound infection, collection, or persistent CSF leakage in any of the patients over the 6-month follow-up period. CONCLUSIONS In this study, acetazolamide was well tolerated by the patients and, in addition to short bed rest (72 hours) and off-suction subfascial drainage, did not result in persistent CSF leakage in any patient. A prospective placebo-controlled study is beneficial to confirm the efficacy of acetazolamide in preventing CSF leakage.
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7
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Napoleon JL, May KA, Craven JM. Considerations When Performing an Epidural Blood Patch for Dural Tear following Spine Surgery. J Neurosurg Anesthesiol 2023; 35:439-440. [PMID: 35605938 DOI: 10.1097/ana.0000000000000855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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8
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Vazquez S, Houten JK, Stadlan ZT, Greisman JD, Vaserman G, Spirollari E, Sursal T, Dominguez JF, Kinon MD. Thecal sac ligation in the setting of thoracic spondyloptosis with complete cord transection. Surg Neurol Int 2023; 14:304. [PMID: 37810299 PMCID: PMC10559368 DOI: 10.25259/sni_360_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 07/24/2023] [Indexed: 10/10/2023] Open
Abstract
Background Traumatic spondyloptosis (TS) with complete spinal cord transection and unrepairable durotomy is particularly rare and can lead to a difficult-to-manage cerebrospinal fluid (CSF) leak. Methods We performed a systematic review of the literature on TS and discuss the management strategies and outcomes of TS with cord transection and significant dural tear. We also report a novel case of a 26-year-old female who presented with thoracic TS with complete spinal cord transection and unrepairable durotomy with high-flow CSF leak. Results Of 93 articles that resulted in the search query, 13 described cases of TS with complete cord transection. The approach to dural repair was only described in 8 (n = 20) of the 13 articles. The dura was not repaired in two (20%) of the cases. Ligation of the proximal end of the dural defect was done in 15 (75%) of the cases, all at the same institution. One (5%) case report describes ligation of the distal end; one (5%) case describes the repair of the dura with duraplasty; and another (5%) case describes repair using muscle graft to partially reconstruct the defect. Conclusion Suture ligation of the thecal sac in the setting of traumatic complete spinal cord transection with significant dural disruption has been described in the international literature and is a safe and successful technique to prevent complications associated with persisting high-flow CSF leakage. To the best of our knowledge, this is the first report of thecal sac ligation of the proximal end of the defect from the United States.
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Affiliation(s)
- Sima Vazquez
- Department of Neurosurgery, School of Medicine, New York Medical College, Valhalla, United States
| | - John K Houten
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, United States
| | - Zehavya T Stadlan
- Department of Neurosurgery, School of Medicine, New York Medical College, Valhalla, United States
| | - Jacob D Greisman
- Department of Neurosurgery, School of Medicine, New York Medical College, Valhalla, United States
| | - Grigori Vaserman
- Department of Neurosurgery, School of Medicine, New York Medical College, Valhalla, United States
| | - Eris Spirollari
- Department of Neurosurgery, School of Medicine, New York Medical College, Valhalla, United States
| | - Tolga Sursal
- Department of Neurosurgery, University of Virginia, Charlottesville, Virginia, United States
| | - Jose F Dominguez
- Department of Neurosurgery, Westchester Medical Center, Valhalla, New York, United States
| | - Merritt D Kinon
- Department of Neurosurgery, Westchester Medical Center, Valhalla, New York, United States
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Rajchagool B, Pattanakuhar S. Intractable postural hypotension resulting from cervical pseudomeningocele after a posterior cervical spinal surgery: a case report. Spinal Cord Ser Cases 2023; 9:14. [PMID: 37029124 PMCID: PMC10082036 DOI: 10.1038/s41394-023-00572-8] [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: 12/09/2022] [Revised: 03/28/2023] [Accepted: 03/29/2023] [Indexed: 04/09/2023] Open
Abstract
INTRODUCTION Postural hypotension (PH) is common in patients with spinal cord injury (SCI), especially those with tetraplegia. To effectively treat PH, identifying and eliminating treatable predisposing factors of PH are prerequisites before applying any interventions. CASE PRESENTATION We report a patient with post-acute cervical SCI who suffered from intractable PH resulting from pseudomeningocele causing unfavorable rehabilitation outcomes. A previously healthy 34-year-old man with complete C6 SCI resulting from C6-C7 fracture dislocation developed PH in the first week of the rehabilitation program. No specific predisposing factors including anemia, hyponatremia, and dehydration were identified. Non-pharmacological interventions and pharmacological treatment were administered to the patient without satisfactory result, causing a delay in rehabilitation progression. In the fourth week of rehabilitation program, a mass at the surgical site was detected. A cervical MRI revealed a large fluid collection at the posterior aspect of cervical spines with a size of 7.9 × 6.8 × 5.0 cm. A diagnosis of pseudomeningocele was made and surgical site debridement with closing dura by grafting was immediately conducted. One day after surgery, PH disappeared, and the patient could progress in his rehabilitation program and achieve his short-term goal within three weeks. CONCLUSION Pseudomeningocele could be one of the precipitating factors of PH in patients with tetraplegia. Healthcare providers should consider investigating pseudomeningocele in patients who have intractable and unexplainable PH.
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Affiliation(s)
- Buddharaksa Rajchagool
- Department of Rehabilitation Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sintip Pattanakuhar
- Department of Rehabilitation Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
- Health Services and Clinical Care Research Group, Swiss Paraplegic Research, Nottwil, Switzerland.
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Epstein NE, Agulnick MA. Perspective: Early direct repair of recurrent postoperative cerebrospinal (CSF) fluid leaks: No good evidence epidural blood patches (EBP) work. Surg Neurol Int 2023; 14:120. [PMID: 37151440 PMCID: PMC10159275 DOI: 10.25259/sni_193_2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 04/03/2023] Open
Abstract
Background:
“Targeted” epidural blood patches (EBP)” successfully treat “focal dural tears (DT)” diagnosed on thin-cut MR or Myelo-CT studies. These DT are largely attributed to; epidural steroid injections (ESI), lumbar punctures (LP), spinal anesthesia (SA), or spontaneous intracranial hypotension (SICH). Here we asked whether “targeted EBP” could similarly treat MR/Myelo-CT documented recurrent post-surgical CSF leaks/DT that have classically been effectively managed with direct surgical repair.
Methods:
Utilizing ultrasound, fluoroscopy, or O-arm guidance, “targeted EBP” effectively manage “focal DT” attributed to ESI, LP, SA, or SICH. Here we reviewed the literature to determine whether similar “targeted EBP” could effectively manage recurrent postoperative CSF leaks/DT.
Results:
We were only able to identify 3 studies involving just 20 patients that attempted to utilize EBP to control postoperative CSF fistulas/DT. EBP controlled CSF fistulas/DT in 6 patients in the first study, and 9 of 10 patients (i.e. 90%: 2/2 cervical; 7/8 lumbar) in the second study. However, in the third study, 3 (60%) of 5 EBP failed to avert recurrent CSF leaks/DT in 4 patients (i.e. 1 cervical patient (2 EBP failed attempts), 3 lumbar patients (1 failed EBP)).
Conclusion:
Early direct surgical repair of recurrent postoperative spinal CSF leaks/DT remains the treatment of choice. Our literature review revealed 3 underpowered studies including just 20 patients where 20% of EBP failed to control recurrent postoperative fistulas (range of failure from 0-60% per study). Although there are likely other studies we failed to identify in this review, they too are likely insufficiently powered to document significant efficacy for performing EBP over direct surgical repair for recurrent postoperative CSF leaks/DT.
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Hill D, Buchbinder B, Pomerantz S, Mehan WA, Buch K. The "Crossing Collection Sign": A Diagnostic Tool on Spine Magnetic Resonance Imaging For Localizing Cerebrospinal Fluid Leak. J Comput Assist Tomogr 2023; 47:337-342. [PMID: 36877758 DOI: 10.1097/rct.0000000000001422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
OBJECTIVE The aim of the study is to determine whether the site of "cross" between ventral and dorsal spinal longitudinal extradural CSF collections (SLECs) seen on magnetic resonance imaging during initial workup of patients with suspected CSF leaks can predict the subsequently confirmed leakage site on computed tomography myelography or surgical repair. METHODS This was an institutional review board-approved, retrospective study performed from 2006 to 2021. Patients with SLECs who underwent total spine magnetic resonance imaging at our institution, followed by myelography and/or surgical repair for CSF leak, were included. Patients with incomplete workup including lack of computed tomography myelography and/or surgical repair and patients severely motion degraded imaging were excluded from our study. The site of cross between ventral and dorsal SLECs was defined as the "crossing collection sign" and was compared with the anatomically confirmed site of leak on myelography and/or at surgical repair. RESULTS Thirthy-eight patients met inclusion criteria with 18 females and 11 males ranging in age from 27 to 60 years (median, 40 years; interquartile range, 14 years). The crossing collection sign was seen in 76% of patients (n = 29). The distributions of confirmed CSF leak were as follows: cervical (n = 9), thoracic (n = 17), and lumbar spine (n = 3). The crossing collection sign predicted the site of CSF leak in 14 of 29 patients (48%) and was within 3-vertebral segments in 26 of 29 cases (90%). CONCLUSIONS The crossing collection sign can help prospectively identify spinal regions with highest likelihood for CSF leak in patients with SLECs. This can potentially help optimize the more invasive subsequent steps in the workup for these patients, including dynamic myelography and surgical exploration for repair.
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Affiliation(s)
- Daniel Hill
- From the Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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12
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Li TQ, Zhang X, Ma TC, Ma ZS. On Patient Safety: Concerns About Topical Tranexamic Acid in Spine Surgery. Clin Orthop Relat Res 2022; 480:2105-2107. [PMID: 36170170 PMCID: PMC9555923 DOI: 10.1097/corr.0000000000002428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 09/07/2022] [Indexed: 01/31/2023]
Affiliation(s)
- Tian-qing Li
- Department of Orthopaedics, Xijing Hospital, the Air Force Medical University, Xincheng District, Xi’an City, Shaanxi Province, P.R. China
| | - Xu Zhang
- Department of Hand Surgery, The Third Affiliated Hospital of Hebei Medical University, Shijiazhuang City, Hebei Province, P.R. China
| | - Tian-cheng Ma
- Department of Orthopaedics, Xijing Hospital, the Air Force Medical University, Xincheng District, Xi’an City, Shaanxi Province, P.R. China
| | - Zhen-sheng Ma
- Department of Orthopaedics, Xijing Hospital, the Air Force Medical University, Xincheng District, Xi’an City, Shaanxi Province, P.R. China
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Ramirez-Ferrer E, Abaunza-Camacho JF, Pineda-Martinez AF, Aguilera-Pena MP, Riveros-Castillo WM, Laverde-Frade L. Cerebrospinal fluid leak following penetrating trauma to the spine without neurological deficit: A case report. Surg Neurol Int 2022; 13:327. [PMID: 36128145 PMCID: PMC9479648 DOI: 10.25259/sni_385_2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 07/16/2022] [Indexed: 11/04/2022] Open
Abstract
Background:
Posttraumatic spinal cerebrospinal fluid leak (CSFL) without neurological deficit is a rare entity. Historically, the first-line treatment is a nonsurgical approach, which includes Trendelenburg positioning, carbonic anhydrase inhibitor (acetazolamide), and subarachnoid catheter, with a high successful rate of leak correction. However, in some cases, this first-line treatment could fail, being necessary the surgical approach.
Case Description:
A 23-year-old male with a recent stab wound to his lumbar region, complained of positional headache and fluid outflow through his wound. On physical examination, an active CSFL was detected without evidence of neurologic deficit. Imaging studies showed a CSF collection extending from the right L4 lamina to the subcutaneous tissue. CSF studies revealed bacterial meningitis. The treatment with carbonic anhydrase inhibitors, Trendelenburg position, lumbar subarachnoid catheter, and antibiotics was initiated. Failure of conservative measures prompted a surgical treatment to resolve the CSFL. Intraoperatively, a dura mater defect was identified, and an autologous paravertebral muscle flap was used for water-tight closure of the defect. The patient recovered without further complications and with CSFL resolution.
Conclusion:
Even though the nonsurgical approach is the first-line of treatment of traumatic CSFL cases, failures can occur. The evidence of a CSF trajectory in imaging studies could be a predictor of treatment failure of the nonsurgical treatment. The surgical treatment as second-line treatment has outstanding results regarding CSFL correction and should be considered when the prediction rate to nonsurgical approach failure is high.
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Cohen PR, Dorros SM. Lumbar Stenosis Spinal Surgery-Associated Cerebrospinal Fluid Leak Without Headache: An Autobiographical Case Report. Cureus 2022; 14:e25253. [PMID: 35755552 PMCID: PMC9217665 DOI: 10.7759/cureus.25253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2022] [Indexed: 11/05/2022] Open
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Du R, Li Z. [Reasons analysis on unplanned reoperation of degenerative lumbar spine diseases]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2021; 35:1637-1641. [PMID: 34913323 DOI: 10.7507/1002-1892.202107040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To review the research on the reasons of unplanned reoperation (URP) for degenerative lumbar spine diseases, and to provide new ideas for improving the quality of surgery for degenerative lumbar spine diseases. Methods The literature about the URP of degenerative lumbar spine diseases at home and abroad in recent years was reviewed and analyzed. Results At present, the reasons for URP include surgical site infection (SSI), hematoma formation, cerebrospinal fluid leakage (CSFL), poor results of surgery, and implant complications. SSI and hematoma formation are the most common causes of URP, which happen in a short time after surgery; CSFL also occurs shortly after surgery but is relatively rare. Poor surgical results and implant complications occurred for a long time after surgery. Factors such as primary disease and surgical procedures have an important impact on the incidence of URP. Conclusion The main reasons for URP are different in various periods after lumbar spine surgery. Interventions should be given to patients with high-risk URP, which thus can reduce the incidence of URP and improve the surgery quality and patients' satisfaction.
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Affiliation(s)
- Ruihuan Du
- Department of Orthopedics, the First Affiliated Hospital of Dalian Medical University, Dalian Liaoning, 116600, P.R.China
| | - Zhonghai Li
- Department of Orthopedics, the First Affiliated Hospital of Dalian Medical University, Dalian Liaoning, 116600, P.R.China
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Preservation Rhinoplasty: Assessment of Anatomical Safe Boundaries on Computed Tomography. J Craniofac Surg 2021; 33:570-574. [PMID: 34261962 DOI: 10.1097/scs.0000000000007990] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Nasal dorsum reconstruction is a crucial step of the rhinoplasty. For avoiding complications, techniques that preserve natural dorsal anatomy becomes popular recently. In preservation techniques, ethmoidal bone surgery may take part in the vast majority of defined techniques. Therefore, detailed anatomical knowledge is essential to avoid severe complications, especially cerebrospinal fluid leakage. Based on these, this study aimed to investigate anatomical safe boundaries of preservation techniques based on the measurements on computed tomography. METHODS A total of 100 patients who underwent paranasal computed tomography were enrolled in this retrospective study. Five groups were selected based on the age distribution. The distance of the dorsal osteotomy line to cranial base, amount of cartilaginous/bony septum overlaps under nasal bones, cartilaginous/bony septum length anterior and posterior to the nasal hump starting point, and anteroposterior distance of perpendicular plate was measured. RESULTS The mean distance between the starting point of the nasal hump and the cribriform plate was 29.5 mm. The amount of bony overlap above the cartilaginous septum was 10.9 mm in females and 10.5 mm in males. The length of septal cartilage posterior to nasal hump was 0 mm in 39 of 100 patients (39%) and the mean value was 2.38 mm in all populations. The mean distance from the starting point of the perpendicular plate to the cribriform plate was 28.17 mm. CONCLUSIONS Perpendicular plate may take part in the constitution of the nasal hump. Therefore, delicate surgery with appropriate tools needed for avoiding the risk of skull base injury. LEVEL OF EVIDENCE Level of Evidence: 3 (Therapeutic).
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