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Floyd ER, Hardie KA, Menezes AH, Haft GF. Unstable C2-3 Posterior Ligamentous Injury in a Pediatric Patient with Successful Nonoperative Treatment: A Case Report. JBJS Case Connect 2024; 14:01709767-202412000-00005. [PMID: 39365664 DOI: 10.2106/jbjs.cc.24.00248] [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: 10/06/2024]
Abstract
CASE The authors present a case of a 6-year-old boy who was treated nonoperatively for an unstable C2-3 hyperflexion injury with posterior cervical ligamentous disruption 8 years ago. The patient was managed with cervical collar immobilization for 2.5 years with long-term follow-up demonstrating complete healing of posterior element disruption, normal sagittal vertebral alignment on dynamic imaging, and full return to activities of daily living and sports. CONCLUSION Pediatric spine injuries up to the C2-3 level with posterior ligamentous disruption alone without neurological deficit may be successfully treated nonoperatively with careful long-term immobilization and close follow-up.
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Affiliation(s)
- Edward R Floyd
- Sanford Orthopedics & Sports Medicine, Fargo, North Dakota
- University of North Dakota School of Medicine & Health Sciences, Grand Forks, North Dakota
| | - Kyler A Hardie
- University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota
| | - Arnold H Menezes
- Department of Neurosurgery, University of Iowa Health Care Medical Center, Iowa City, Iowa
| | - Geoffrey F Haft
- University of South Dakota Sanford School of Medicine, Sioux Falls, South Dakota
- Avera McKennan Hospital and University Health Center, Sioux Falls, South Dakota
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Zheng G, Yuan B, Zhao Y, Guo Q, Li F, Xu Z, Jia L, Chen X, Guo X. C1 Transposterior Arch Lateral Mass Screws Combined With C2 Pedicle Screw and Rod Fixation for Pediatric Atlantoaxial Subluxation: A Minimal 10-Year Follow-up Outcome Analysis. Oper Neurosurg (Hagerstown) 2024; 26:286-292. [PMID: 37856771 DOI: 10.1227/ons.0000000000000963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/08/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND AND OBJECTIVES Although the short-term outcomes of the 1-step reduction and fixation technique using C1 transposterior arch lateral mass screws combined with C2 pedicle screw and rod fixation system for the treatment of pediatric atlantoaxial subluxation (AAS) have been satisfactory, its long-term outcomes and impact on spinal development are not well studied. This study was intended to assess the long-term reliability of this technique for pediatric AAS. METHODS A retrospective case series study was conducted to analyze the minimum 10-year follow-up outcomes from 7 pediatric patients with AAS who underwent atlantoaxial fusion using the aforementioned technique. Quality of life and cervical range of motion were both measured thoroughly. In addition, vertical growth within the fusion construct (C1-2), overall cervical alignment, and subaxial cervical spine degeneration were evaluated radiographically. RESULTS The mean age of the 7 patients was 8.14 ± 2.41 (6-12) years at the time of surgery. The mean follow-up period was 11.00 ± 1.15 (10-13) years. No patients presented identifiable intervertebral disk degeneration or segmental instability in the subaxial cervical spine except for 1 patient who showed mild intervertebral disk degeneration. Vertical growth did continue within the atlantoaxial complex after surgery (11.90% ± 2.37%); however, there was a decrease in the percentage of vertical growth compared with the corresponding normal populations of the same age and sex. Moreover, there was a significant decrease in the range of cervical extension and rotation motion, and the overall cervical alignment straightened at the latest follow-up. CONCLUSION The 1-step reduction and fixation technique is a relatively reliable surgical technique for pediatric AAS, which does not adversely affect the postoperative quality of life or the subaxial cervical degeneration. Nevertheless, certain limitations, such as decreased cervical range of motion and changes in cervical alignment, should be concerned.
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Affiliation(s)
- Gang Zheng
- Department of Orthopedics, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai , China
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Oshita Y, Takata K, Someya R, Uchikura T, Momo K. Retrospective analysis of atlantoaxial rotatory fixation describing age distribution and gender ratio in children and adolescents: A preliminary report. J Orthop Sci 2024; 29:486-488. [PMID: 36863906 DOI: 10.1016/j.jos.2023.02.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 02/08/2023] [Accepted: 02/09/2023] [Indexed: 03/04/2023]
Abstract
INTRODUCTION Atlantoaxial rotatory fixation (AARF) in children presents with an acute onset of neck pain. Almost all cases heal within a few days of onset and are treated conservatively. Because few cases of AARF have been reported, the age distribution or gender ratio of AARF in the child population have not been described enough. In Japan, the social insurance system covers all citizens. Thus, we used insurance claims data to investigate the features of AARF. The aim of this study is to examine the age distribution, compare gender ratio and determine the recurrence proportion of AARF. METHODS We used the JMDC database to search for claims data submitted between January 2005 and June 2017 for cases of AARF in patients aged <20 years. RESULTS We identified 1949 patients with AARF, of which 1102 (56.5%) were male. The mean age was 98.3 ± 42.2 months and 91.6 ± 38.4 months in males and females, respectively, and males with AARF were significantly older at onset than females with AARF (p < 0.001). In both sexes, the highest frequency of AARF occurred when the patient was 6 years old. There were 121 (6.2%) cases of recurrent AARF (male: 61, 5.5%; female: 60, 7.1%), but the age differences between the sexes in these cases were not statistically significant. CONCLUSIONS This is the first report to describe the characteristics of the study population of AARF. Males were more likely to suffer from AARF than females. Furthermore, age (in months) at AARF onset was significantly higher in males than in females. Recurrence rate was not significant in both sexes.
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Affiliation(s)
- Yusuke Oshita
- Department of Orthopedic Surgery, Showa University Northern Yokohama Hospital, Yokohama, Japan.
| | - Kosuke Takata
- Department of Pharmacy, Showa University Northern Yokohama Hospital, Yokohama, Japan; Department of Hospital Pharmaceutics, Showa University School of Pharmacy, Tokyo, Japan
| | - Risa Someya
- Department of Pharmacy, Showa University Northern Yokohama Hospital, Yokohama, Japan; Department of Hospital Pharmaceutics, Showa University School of Pharmacy, Tokyo, Japan
| | - Takeshi Uchikura
- Department of Hospital Pharmaceutics, Showa University School of Pharmacy, Tokyo, Japan
| | - Kenji Momo
- Department of Hospital Pharmaceutics, Showa University School of Pharmacy, Tokyo, Japan
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Zafarshamspour S, Lesha E, Cecia A, George H, Ghasemi-Rad M, Trinh K, Yaghoobpoor S, Ghorani H, Majd ME, Eghbal K. Traumatic atlantoaxial rotatory fixation in adults: a systematic review of published cases. Neurosurg Rev 2024; 47:90. [PMID: 38376669 DOI: 10.1007/s10143-024-02315-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/25/2024] [Accepted: 02/06/2024] [Indexed: 02/21/2024]
Abstract
Atlantoaxial rotatory fixation (AARF) in adults is a rare and clinically challenging condition characterized by a spectrum of etiological factors, predominantly attributed to traumatic and inflammatory pathologies within the craniovertebral region. Trauma is the most frequently identified cause within the adult population, with the first case report published in 1907. This study aims to conduct a systematic review that addresses the clinical presentations and management strategies relating to traumatic atlantoaxial rotatory fixation in adults. A comprehensive search of the PubMed database was executed, adhering to the PRISMA guidelines. The inclusion criteria encompassed case reports and series documenting AARF cases in individuals aged 18 and above, spanning database inception to July 2022. Studies not published in the English language were excluded. A total of 61 articles reporting cases of AARF in the adult population were included in the study. The mean age of affected individuals was 36.1 years (± 15.6), with a distribution of 46% females and 54% males. Predominant mechanisms of injury included motor vehicle accidents and falls, constituting 38% and 22% of cases, respectively. Among the classification systems employed, Fielding and Hawkins type I accounted for the majority at 63%, followed by type II at 10%, and type III at 4%. Conservative management was used for treatment in 65% of acute (65%) cases and 29% of chronic cases. Traumatic AARF is a rare phenomenon in the adult population, is more common in younger adults, and does not often present with neurologic deficits. Patients diagnosed acutely are more likely to be successfully treated with conservative management, while patients diagnosed chronically are less likely to be reduced with conservatively and often require surgical treatment. Surgery should be considered for patients with irreducible dislocations, ligamentous injuries, unstable associated fractures, and persistent pain resistant to conservative management.
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Affiliation(s)
- Saber Zafarshamspour
- Department of Surgery, Rafsanjan University of Medical Sciences, Rafsanjan, Kerman, Iran.
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Fars, Iran.
| | - Emal Lesha
- Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Arba Cecia
- School of Medicine, Loyola University Chicago, Chicago, IL, USA
| | - Haydy George
- School of Medicine, St. George's University, West Indies, Grenada
| | - Mohammad Ghasemi-Rad
- Department of Interventional Radiology, Baylor College of Medicine, Houston, TX, USA
| | - Kelly Trinh
- Texas Tech University Health Sciences Center School of Medicine, Houston, TX, USA
| | - Shirin Yaghoobpoor
- Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Ghorani
- Advanced Diagnostic and Interventional Radiology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Keyvan Eghbal
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Fars, Iran.
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Haddad E, Al Khoury Salem H, Dohin B. Diagnosis and treatment of cervical spine injuries in children. Orthop Traumatol Surg Res 2024; 110:103762. [PMID: 37992867 DOI: 10.1016/j.otsr.2023.103762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 04/28/2023] [Accepted: 05/11/2023] [Indexed: 11/24/2023]
Abstract
Cervical spine injuries in children are a common reason for emergency room visits, while bone, ligament or spinal cord cervical lesions are relatively rare (1-1.5% of severe trauma in children) and mainly involve the upper cervical spine. The main causes are sports injuries, accidents at home and traffic accidents. Clinical triage is needed to avoid unnecessary radiation exposure from imaging. We propose a protocol to optimize the diagnosis and treatment. In children, conservative treatment using rigid immobilization (cervical collar or halo-vest) is the preferred option in stable and/or minimally displaced injuries. Frequent clinical and radiological monitoring is required to ensure the patient's condition does not deteriorate due to inappropriate or poorly tolerated treatment. In these cases, surgical treatment can be proposed as second-line treatment. Internal fixation is indicated as the first-line treatment if the injury is unstable or a neurological deficit is present. The fixation methods must be adapted to the pediatric population by taking into account the vertebral volume and residual growth potential. Intraoperative CT scans or neuronavigation can make the surgical procedure safer and easier. Clinical, radiographic and CT scan monitoring should continue until the end of growth in a child who underwent surgical treatment to quickly detect any mechanical complications or sagittal imbalance due to poor craniocervical or cervicothoracic alignment. LEVEL OF EVIDENCE: IV.
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Affiliation(s)
- Elie Haddad
- Service de chirurgie pédiatrique du Pr. SCALABRE, centre hospitalo-universitaire de Saint-Étienne, hôpital Nord, avenue Albert-Raimond, 42270 Saint-Priest-en-Jarez, France.
| | - Hassan Al Khoury Salem
- Service de chirurgie pédiatrique du Pr. SCALABRE, centre hospitalo-universitaire de Saint-Étienne, hôpital Nord, avenue Albert-Raimond, 42270 Saint-Priest-en-Jarez, France.
| | - Bruno Dohin
- Service de chirurgie pédiatrique du Pr. SCALABRE, centre hospitalo-universitaire de Saint-Étienne, hôpital Nord, avenue Albert-Raimond, 42270 Saint-Priest-en-Jarez, France.
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Treating Pediatric Irreducible Atlantoaxial Rotatory Fixation (IAARF) by Unlocking Facet Joint Through Transoral Approach and Fixing With Slim-TARP Plate (15 Cases Series). J Pediatr Orthop 2023; 43:83-90. [PMID: 36607918 DOI: 10.1097/bpo.0000000000002307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
BACKGROUND Irreducible atlantoaxial rotatory fixation (IAARF) often requires surgical treatment. Transoral unlocking the facet joints is a key measure for the treatment of IAARF. We investigate a novel method for treating pediatric IAARF by unlocking facet joint through transoral appraoch and fixed with slim-tarp plate in same stage with same approach. OBJECTIVE The objective of this study is to investigate the method and efficacy of a unique transoral approach to unlock facet joints and fixation with slim-shaped transoral anterior reduction plate (slim-TARP) plate in the treatment of IAARF. METHODS Fifteen patients diagnosed with AARF were transferred to our hospital. After 1 week of bidirectional cervical cranial traction, they were diagnosed with irreducible AARF that, and then underwent transoral release and fixation with slim-TARP plate procedures. Postoperative computed tomography and magnetic resonance were used to evaluate the reduction effect, bone fusion, and fusion time. Japanese orthopaedic association scores were used to compare the recovery of spinal cord function in patients before and after surgery. Complications such as wound infection, neurovascular injury, and loosening of internal fixation were evaluated too. RESULTS All 15 patients underwent transoral unlocking facet joint and fixation with slim-TARP procedures smoothly. The operation time were 129.2±11.9 minutes, blood loose were 83±23 mL. There were no neurological injury, wound infections, verified or suspected vertebral artery injury, etc. All patients were followed up for a mean of 17.8±6.6 months (range: 12 to 36 mo). Bony fusion was achieved in all patients. Mean fusion time was 3.6±1.2 months (range: 3 to 6 mo). Complete correction of torticollis was achieved in all 15 cases. Preoperative symptoms of neck pain and limitation of neck movement were effectively alleviated at 3 months after surgery. The 3 patients with preoperative neurological deficits had significant relief after surgery, and their latest follow-up results showed that their Japanese orthopaedic association scores increased from 13.0±1.0 to 16.3±0.6. CONCLUSIONS Transoral release and fixation with slim-TARP plate by transoral approach is a feasible and safe method for treating pediatric irreducible atlantoaxial rotatory fixation.
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Štulík J, Rybárová M, Barna M, Klézl Z. Atlantoaxial rotatory dislocation: Surgical treatment in a pediatric patient cohort. BRAIN & SPINE 2022; 2:101667. [PMID: 36506286 PMCID: PMC9729819 DOI: 10.1016/j.bas.2022.101667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 07/20/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022]
Abstract
•Surgical correction of AARD is an appropriate method of treatment after failed non-operative therapy.•The technique of surgical reduction and C1-C2 fixation using Harms/Goel technique provides excellent clinical outcomes.•In case of traumatic AARD we recommend to consider temporary fixation.
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Xu P, Zhang Z, Zheng Y, Meng J, Qian C, Fu D, Wang D. Successful Closed Reduction of Atlantoaxial Rotatory Fixation in Children-A Retrospective Study of 30 Patients. Global Spine J 2022; 12:1655-1660. [PMID: 33530717 PMCID: PMC9609537 DOI: 10.1177/2192568220984427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
STUDY DESIGN Retrospective cohort study. OBJECTIVES To review our treatment experience and to investigate the process of this disease. METHODS Clinical data of AARF patients, who received closed reduction, was retrospectively reviewed. Patients were divided into 2 groups according to the length of delay (Group I: 1 month ≤ delayed time < 3 months), Group II (delayed time < 1 months). The correlation between the length of delayed time and clinical recovery (CR), radiological recovery (RR), and total recovery time were measured. The atlantodental interval (ADI), lateral mass-dens interval (LDI) and lateral joint space (LJS) were compared at admission and final follow-up. RESULTS 30 children (12 girls and 18 boys) with AARF had received conservative treatment. The mean age at initial treatment was 8.13-year-old, ranging from 5 to 14. The mean follow-up time was 26.93 months (range, 6-87 months). The average length of delayed time was 28.53 days (range, 2-80 days). When the LDI, LJS, and ADI differences are compared at admission and the final visit, the differences are reduced significantly on LDI and LJS. A positive correlation is observed between the length of the delay and CR time and total recovery time (r = 0.63, p = 0.00 and r = 0.47, p = 0.01) respectively. CONCLUSIONS Pediatric AARF patients who have a delay time < 3 months can be treated with closed reduction successfully. The longer the delayed time, the longer the traction time, but the cervical collar time is almost the same. The LDI and LJS on the anteroposterior of X-rays are convenient to estimate the progress of this condition during the treatment.
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Affiliation(s)
- Ping Xu
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China
| | - Zhiqiang Zhang
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China
| | - Yiming Zheng
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China
| | - Junrong Meng
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China
| | - Chuang Qian
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China
| | - Dong Fu
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China
| | - Dahui Wang
- Department of Orthopedics, National Children’s Medical Center & Children’s Hospital of
Fudan University, Shanghai, China,Dahui Wang, Department of Orthopedics,
National Children’s Medical Center & Children’s Hospital of Fudan
University, 399 Wanyuan Road, Shanghai, 201102, China.
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Du J, Gao X, Huang Y, Yang X, Zheng B, Liu Z, Hui H, Gao L, Wu J, Zhao Z, He B, Yan L, Hao D. Posterior Surgery in the Treatment of Craniovertebral Junction Deformity with Torticollis. Orthop Surg 2022; 14:2418-2426. [PMID: 35912975 PMCID: PMC9531064 DOI: 10.1111/os.13324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 05/09/2022] [Accepted: 05/13/2022] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE To investigate the clinical effect of posterior surgery in the treatment of craniovertebral junction (CVJ) deformities with torticollis and methods for preventing and treating complications in order to obtain a reasonable treatment strategy. METHODS From January 2007 to December 2017, 78 patients who suffered from CVJ deformities with torticollis treated by posterior surgery were analyzed. The surgical techniques were all posterior correction and fusion to restore the anatomical alignment of the craniovertebral junction. The visual analog score (VAS) and Short Form-36 (SF-36) health survey questionnaire were utilized to evaluate preoperative and postoperative neck pain, and changes in the torticollis angle and atlas-dens interval (ADI) were evaluated through anteroposterior X-ray and computed tomography. Intra- and postoperative complications were all recorded. One-way ANOVA, LSD-t test, and χ2 test were performed to evaluate the difference between the preoperative and postoperative data. RESULTS The mean follow-up time was 37.4 ± 15.7 months, the average operation time was 115.6 ± 12.8 min, and the average blood loss was 170.8 ± 26.3 mL. According to the deformity site, the range of posterior correction and fusion was as follows: 38 cases of C1 -C2 , 33 cases of C0 -C2 , and seven cases of C0 -C3 . The preoperative SF-36, VAS, torticollis angle, and ADI were 42.6 ± 8.8, 4.8 ± 1.1, 37.2 ± 11.2°, and 4.9 ± 2.3 mm, respectively. The difference was significant at 3 months post operation (p < 0.05), and there was no significant difference at the final follow-up compared with 3 months post operation (p > 0.05). CONCLUSION It can objectively achieve favorable correction and satisfactory clinical effects under posterior correction and fixation for CVJ deformities with torticollis. Intra- and postoperative complications can be settled by proper management.
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Affiliation(s)
- Jinpeng Du
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Xiangcheng Gao
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina,Yan'an UniversityYan'an CityChina
| | - Yunfei Huang
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Xiaobin Yang
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Bolong Zheng
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Zhongkai Liu
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Hua Hui
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Lin Gao
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Jiayuan Wu
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Zhigang Zhao
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Baorong He
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Liang Yan
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
| | - Dingjun Hao
- Department of Spine Surgery, Honghui HospitalXi'an Jiaotong UniversityXi'an CityChina
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González DCN, Ardura Aragón F, Sanjuan JC, Maniega SS, Andrino AL, García Fraile R, Labrador Hernández G, Calabia-Campo J, Caballero-García A, Córdova-Martínez A. C1-C2 Rotatory Subluxation in Adults “A Narrative Review”. Diagnostics (Basel) 2022; 12:diagnostics12071615. [PMID: 35885520 PMCID: PMC9316247 DOI: 10.3390/diagnostics12071615] [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: 06/06/2022] [Revised: 06/28/2022] [Accepted: 06/29/2022] [Indexed: 11/28/2022] Open
Abstract
The atlantoaxial joint C2 (axis) with the anterior arch of C1 (atlas) allows 50% of cervical lateral rotation. It is responsible for precise and important movements that allow us to perform precise actions, both in normal and working life. Due to low incidence in adults, this condition often goes undiagnosed, or the diagnosis is delayed and the outcome is worse. An early diagnosis and treatment are essential to ensure satisfactory neurological and functional outcomes. The aim of this review is to analyze C1-C2 rotatory subluxation in adults, given its rarity. The time between injury and reduction is key, as it is directly related to prognosis and the severity of the treatment options. Due to low incidence in adults, this condition often goes undiagnosed, or the diagnosis is delayed as a lot of cases are not related to a clear trauma, with a poor prognosis just because of the late diagnosis and the outcome is worse. The correct approach and treatment of atlantoaxial dislocation requires a careful study of the radiological findings to decide the direction and plane of the dislocation, and the search for associated skeletal anomalies.
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Affiliation(s)
- David C. Noriega González
- Department of Surgery, Ophthalmology, Otorhinolaryngology and Physiotherapy, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain; (D.C.N.G.); (F.A.A.)
| | - Francisco Ardura Aragón
- Department of Surgery, Ophthalmology, Otorhinolaryngology and Physiotherapy, Faculty of Medicine, University of Valladolid, 47005 Valladolid, Spain; (D.C.N.G.); (F.A.A.)
- Department of Orthopedic, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain; (J.C.S.); (S.S.M.); (A.L.A.); (R.G.F.); (G.L.H.)
| | - Jesús Crespo Sanjuan
- Department of Orthopedic, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain; (J.C.S.); (S.S.M.); (A.L.A.); (R.G.F.); (G.L.H.)
| | - Silvia Santiago Maniega
- Department of Orthopedic, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain; (J.C.S.); (S.S.M.); (A.L.A.); (R.G.F.); (G.L.H.)
| | - Alejandro León Andrino
- Department of Orthopedic, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain; (J.C.S.); (S.S.M.); (A.L.A.); (R.G.F.); (G.L.H.)
| | - Rubén García Fraile
- Department of Orthopedic, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain; (J.C.S.); (S.S.M.); (A.L.A.); (R.G.F.); (G.L.H.)
| | - Gregorio Labrador Hernández
- Department of Orthopedic, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain; (J.C.S.); (S.S.M.); (A.L.A.); (R.G.F.); (G.L.H.)
| | - Juan Calabia-Campo
- Department of Radiology, Clinic University Hospital of Valladolid, 47005 Valladolid, Spain;
| | - Alberto Caballero-García
- Department of Anatomy and Radiology, Health Sciences Faculty, GIR: “Physical Exercise and Aging”, University of Valladolid, Campus Universitario “Los Pajaritos”, 42004 Soria, Spain;
| | - Alfredo Córdova-Martínez
- Department of Biochemistry, Molecular Biology and Physiology, Health Sciences Faculty, GIR: “Physical Exercise and Aging”, University of Valladolid, Campus Universitario “Los Pajaritos”, 42004 Soria, Spain
- Correspondence:
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Koljonen PA, Cheung KM. Concomitant atlantoaxial and atlanto-occipital rotatory dislocation in children: Radiological features, diagnostic pitfalls, and long-term outcome. J Orthop Surg (Hong Kong) 2021; 29:23094990211015502. [PMID: 33998343 DOI: 10.1177/23094990211015502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
While the pathological manifestation of atlantoaxial rotatory dislocation has been well described in the medical literature, the combined dislocation of the atlantoaxial and atlanto-occipital joints, or OAARD - short for occipital-atlantoaxial rotatory dislocation - is a condition which has been poorly elucidated and probably underdiagnosed. We believe that the pathogenesis of combined atlantoaxial and atlanto-occipital dislocation is most likely a result of untreated atlantoaxial rotatory dislocation leading to chronic secondary compensation measures occurring at the occiput-C1 joints. Unique clinical and radiological features lead to difficulty in diagnosis, and conventional treatment algorithms may not apply. This paper describes a combination of clinical and radiological features which can help clinicians correctly diagnose and treat OAARD.
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Affiliation(s)
- Paul A Koljonen
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, 25809The University of Hong Kong, Hong Kong
| | - Kenneth Mc Cheung
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, 25809The University of Hong Kong, Hong Kong
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Shimazaki T, Yamada K, Sato K, Jimbo K, Nakamura H, Goto M, Matsubara T, Mizokami K, Iwahashi S, Sasaki T, Shiba N. Primary treatment of atlantoaxial rotatory fixation in children: a multicenter, retrospective series of 125 cases. J Neurosurg Spine 2021; 34:498-505. [PMID: 33276329 DOI: 10.3171/2020.7.spine20183] [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: 02/18/2020] [Accepted: 07/01/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The primary treatment for atlantoaxial rotatory fixation (AARF) remains controversial. The aim of this study was to investigate the primary treatment for AARF and create an algorithm for primary treatment. METHODS The authors analyzed the data of 125 pediatric patients at four medical institutions from April 1989 to December 2018. The patients were reported to have neck pain, torticollis, and restricted neck range of motion and were diagnosed according to the Fielding classification as type I or II. As a primary treatment, 88 patients received neck collar fixation, and 28 of these patients did not show symptom relief and required Glisson traction. Thirty-seven patients were primarily treated with Glisson traction. In total, 65 patients, including neck collar treatment failure patients, underwent Glisson traction in hospitals. RESULTS The success rate of treatment was significantly higher in the Glisson traction group (97.3%) than in the neck collar fixation group (68.2%) (p = 0.0001, Wilcoxon test). In the neck collar effective group, Fielding type I was more predominant (p = 0.0002, Wilcoxon test) and the duration from onset to the first visit was shorter (p = 0.02, Wilcoxon test) than that in the neck collar ineffective group. Using multivariate logistic regression analysis with the above items, the authors generalized from the estimated formula: logit [p(success group by neck collar fixation group)|duration from onset to the first visit (x1), Fielding type (x2)] = 0.4(intercept) - 0.15x1 + 1.06x2, where x1 is the number of days and x2 = 1 (for Fielding type I) or -1 (for Fielding type II). In cases for which the score is a positive value, the neck collar should be chosen. Conversely, in cases for which the score is a negative value, Glisson traction should be the first choice. CONCLUSIONS According to this formula, in patients with Fielding type I AARF, neck collar fixation should be allowed only if the duration from onset is ≤ 10 days. In patients with Fielding type II, because the score would be a negative value, Glisson traction should be performed as the primary treatment.
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Spinnato P, Zarantonello P, Guerri S, Barakat M, Carpenzano M, Vara G, Bartoloni A, Gasbarrini A, Molinari M, Tedesco G. Atlantoaxial rotatory subluxation/fixation and Grisel's syndrome in children: clinical and radiological prognostic factors. Eur J Pediatr 2021; 180:441-447. [PMID: 33064218 DOI: 10.1007/s00431-020-03836-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 09/25/2020] [Accepted: 10/09/2020] [Indexed: 11/30/2022]
Abstract
Atlantoaxial rotatory subluxation/fixation (AARS/F) is a rare cause of torticollis in children. The aim of our study is to investigate all possible clinical and radiological prognostic factors in children with AARS/F. We retrospectively reviewed all cervical spine CT scans of children with AARS/F treated in our Hospital over the last 15 years. AARS/F was classified according to Fielding and Hawkins classification and C1-C2 rotation-degree was calculated. Moreover, two orthopedic surgeons reviewed all clinical reports of these children. All patients were conservatively treated (cervical traction/neck collar). An early recovery was considered in patients with complete clinical/radiological healing at 3 months follow-up, while a late recovery was considered in patients with disease persistence or relapse at 3 months follow-up or earlier. Fifty-five patients with diagnosis of AARS/F were included in the study (mean age = 8.5 years old - 25F, 30M). In 9/55 subjects (16.4%), a late recovery was observed. The presence of a concomitant infection or inflammation in the head and neck region (Grisel's syndrome) was significantly associated with a late recovery (p < .001). Also, the type of AARS/F (p = .019), according to the Fielding and Hawkins classification, and C1-C2 rotation-degree (p = .027) were significantly correlated with the recovery time.Conclusion: In patients with AARS/F, the presence of a concomitant infection/inflammation in the head and neck region is the most important prognostic factor and it is associated with a late recovery. The Fielding and Hawkins classification and C1-C2 rotation-degree well correlate with patients' recovery time. What is Known: • Atlantoaxial rotatory subluxation/fixation (AARS/F) is a rare cause of torticollis in children and CT is the most useful imaging tool for diagnosis and classification of AARS/F. • Conservative treatments are effective in the majority of pediatric patients with AARS/F. What is New: • The presence of a concomitant infection/inflammation in the head and neck region associated with AARS/F (Grisel's syndrome) is the most important prognostic factor and it is associated with a late recovery. • C1-C2 rotation-degrees, as well as Fielding and Hawkins classification system, well correlate with patients' recovery time.
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Affiliation(s)
- Paolo Spinnato
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy.
| | - Paola Zarantonello
- Department of Pediatric Orthopaedics and Traumatology, IRCCS Istituto Ortopedico, Rizzoli, Bologna, Italy
| | - Sara Guerri
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy
| | - Massimo Barakat
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy.,Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, S.Orsola-Malpighi Hospital, Bologna, Italy
| | - Maria Carpenzano
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy
| | - Giulio Vara
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy.,Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, S.Orsola-Malpighi Hospital, Bologna, Italy
| | | | - Alessandro Gasbarrini
- Department of Oncologic and Degenerative Spine Surgery, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Massimo Molinari
- Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli n 1, 40136, Bologna, Italy
| | - Giuseppe Tedesco
- Department of Oncologic and Degenerative Spine Surgery, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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Sae-Huang M, Borg A, Hill CS. Systematic review of the nonsurgical management of atlantoaxial rotatory fixation in childhood. J Neurosurg Pediatr 2021; 27:108-119. [PMID: 33036001 DOI: 10.3171/2020.6.peds20396] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/18/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Atlantoaxial rotatory fixation (AARF) is an acquired fixed abnormality of C1-2 joint rotation associated with torticollis in childhood. If the condition is left uncorrected, patients are at risk for developing C1-2 fusion with permanent limitation in the cervical range of movement, cosmetic deformity, and impact on quality of life. The management of AARF and the modality of nonsurgical treatment are poorly defined in both primary care and specialized care settings, and the optimal strategy is not clear. This systematic review aims to examine the available evidence to answer key questions relating to the nonsurgical management of AARF. METHODS A systematic review was performed using the following databases: PubMed, MEDLINE, Healthcare Management Information Consortium (HMIC), EMCare, Embase, Cumulative Index to Nursing and Allied Health Literature (CINAHL), British Nursing Index (BNI), and Allied and Complementary Medicine Database (AMED). Search criteria were created and checked independently among the authors. All articles with a radiological diagnosis of AARF and primary outcome data that met the study inclusion criteria were included and analyzed by the authors. RESULTS Search results did not yield any level I evidence such as a meta-analysis or randomized controlled trial. The initial search yielded 724 articles, 228 of which were screened following application of the core exclusion criteria. A total of 37 studies met the full criteria for inclusion in this review, consisting of 4 prospective studies and 33 retrospective case reviews. No articles directly compared outcomes between modalities of nonsurgical management. Six studies compared the outcome of AARF based on duration of symptoms before initiation of treatment. Comparative analysis of studies was hindered by the wide variety of treatment modalities described and the heterogeneity of outcome data. CONCLUSIONS The authors did not identify any level I evidence comparing different nonsurgical management approaches for AARF. There were few prospective studies, and most studies were uncontrolled, nonrandomized case series. Favorable outcomes were often reported regardless of treatment methods, with early treatment of AARF tending to yield better outcomes independent of the treatment modality. There is a lack of high-quality data, and further research is required to determine the optimal nonsurgical treatment strategy.
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Affiliation(s)
- Morrakot Sae-Huang
- 1Department of Neurosurgery, The National Hospital for Neurology and Neurosurgery, London
| | - Anouk Borg
- 2Department of Neurosurgery, John Radcliffe Hospital, Oxford; and
| | - Ciaran Scott Hill
- 1Department of Neurosurgery, The National Hospital for Neurology and Neurosurgery, London
- 3University College London Cancer Institute, London, United Kingdom
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Singla R, Manjunath N, Sharma R, Mishra S. Neglected Traumatic Atlantoaxial Rotatory Dislocation in Adult: A Case Report. Int J Spine Surg 2020; 14:46-52. [PMID: 32128302 DOI: 10.14444/7006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Atlantoaxial rotatory dislocations (AARDs) are common in the pediatric population and rarely seen in adults. We describe a case of neglected AARD and subsequent management. A 25-year-old man developed a Fielding type 1 AARD following a road traffic accident. He was managed conservatively for 1.5 months before being referred to us. The patient underwent surgery 1.5 months after the accident. Closed reduction failed and C1-2 fixation with the Harms technique was performed after intraoperative reduction resulting in correction of deformity. Delay of treatment makes intraoperative reduction more difficult and increases the possibility of the chronic permanent change of neck muscles and ligaments. Hence, a high index of suspicion with a thorough clinical examination and judicious use of radiological investigations is paramount to the appropriate management of such cases.
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Affiliation(s)
- Raghav Singla
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi
| | - Niveditha Manjunath
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi
| | - Ravi Sharma
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi
| | - Shashwat Mishra
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi
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16
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Raghav S, Niveditha M, Ravi S, Shashwat M. Neglected Traumatic Atlantoaxial Rotatory Dislocation in Adult. Int J Spine Surg 2020; 13:531-535. [PMID: 31970048 DOI: 10.14444/6071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Atlantoaxial rotatory dislocations (AARD) are common in the pediatric population and rarely seen in adults. We describe a case of neglected AARD and subsequent management. A 25-year-old man developed a Fielding type 1 AARD following a road traffic accident. He was managed conservatively for 1.5 months before being referred to us. The patient underwent surgery 1.5 months after the accident. Closed reduction failed, and C1-2 fixation with the Harms technique was performed after intraoperative reduction, resulting in correction of deformity. Delay of treatment makes intraoperative reduction more difficult and increases the possibility of the chronic permanent change of neck muscles and ligaments. Hence, a high index of suspicion with a thorough clinical examination and judicious use of radiological investigations is paramount to the appropriate management of such cases.
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Affiliation(s)
- Singla Raghav
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Manjunath Niveditha
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Sharma Ravi
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
| | - Mishra Shashwat
- Department of Neurosurgery, All India Institute of Medical Sciences, New Delhi, India
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17
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Liao LQ, Li YK, Yuan F, Qi J. Morphological Characteristics of the Spinous Process of Axis: Clinical Implications for Cervical Spine Manipulation. J Manipulative Physiol Ther 2019; 42:82-88. [PMID: 31054597 DOI: 10.1016/j.jmpt.2018.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/19/2018] [Accepted: 05/23/2018] [Indexed: 10/26/2022]
Abstract
OBJECTIVE The purpose of this study was to evaluate the osseous variation of the axis spinous process as it may relate to palpation by clinicians. METHODS Morphologies of the bifid spinous process in the intact dry axis of 121 Chinese adult were investigated and classified. The angular deflection of the spinous processes, the bifid spinous processes (the bifid portions of the spinous processes), and the length of the bifid spinous processes were observed and measured. RESULTS The bifid spinous process morphologies were classified into 4 types: inverted-V shape (n = 49), inverted-U shape (n = 50), M shape (n = 18), and nonbifid spinous processes (n = 4). The direction of the spinous processes and bifid spinous processes were consistent because they depended on each other's direction of deviation. When the correlation between angular deflection of spinous processes and bifid spinous processes was analyzed, the right deviations of spinous process specimens (29 cases) showed that angular deflections of spinous processes were equal to bifid spinous processes and there was no statistically significant difference seen between them (t = 0.286, P > .05), whereas in the left deviations of spinous process specimens (49 cases), the angular deflection of spinous processes were not equal in length, but bigger than the bifid spinous processes, which was statistically significant (t = -3.079, P = .003 < .05). CONCLUSION The anatomical structure of the spinous processes and the bifid spinous processes vary from one another, but they exhibit some regularity. In clinical spinal manipulation practice, the anatomical characteristic of the axis should be taken into account during cervical static palpation, diagnostic imaging, and treatment.
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Affiliation(s)
- Li-Qing Liao
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Yi-Kai Li
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China.
| | - Feng Yuan
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
| | - Ji Qi
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, Guangdong, China
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18
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Mahr D, Freigang V, Bhayana H, Kerschbaum M, Frankewycz B, Loibl M, Nerlich M, Baumann F. Comprehensive treatment algorithm for atlanto-axial rotatory fixation (AARF) in children. Eur J Trauma Emerg Surg 2019; 47:713-718. [PMID: 30783696 DOI: 10.1007/s00068-019-01096-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 02/18/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND Atlanto-axial rotatory fixation (AARF) is an uncommon condition in children presenting with torticollis. Many studies have elaborated on the diagnostic sequence of AARF. However, there is no consensus for the algorithm of management of AARF. METHODS This study proposes to provide a comprehensive step-by-step guideline which aims to achieve and retain anatomic reduction of the atlanto-axial joint (AAJ). We recommend a 'therapeutic crescendo': closed reduction and immobilization in a rigid cervical collar (step I). In cases of re-dislocation, a second attempt of closed reduction and immobilization in a Halo-jacket (step II). Cases of recurrent dislocations due to persistent instability require open reduction and internal fixation. We present a new surgical technique of transverse suture transfixation (TSF) of C1/C2 (step III). Alternatively, a dorsal stabilization of C1/C2 is indicated after open reduction (step IV). 13 patients with radiologically confirmed AARF were included in this study. These patients were treated as per the above mentioned algorithm. All these patients were serially evaluated with a minimum follow-up of 1 year. RESULTS Clinical data of 10/13 patients were available for follow-up evaluation at mean 4.6 years after the onset of symptoms. Two patients were managed surgically. We recorded good clinical results in all patients treated according to the algorithm. CONCLUSIONS AARF is a subacute pediatric emergency. Reduction and maintenance of joint congruency of the AAJ are the treatment goals. The comprehensive therapeutic algorithm presented in this study is applicable in patients with AARF to achieve excellent long-term results. LEVEL OF EVIDENCE IV, Retrospective cohort study. TRIAL REGISTRATION NUMBER Clinical Trial Registry University of RegensburgZ-2014-0453-4. Registered 01 December 2014.
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Affiliation(s)
- Daniel Mahr
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany
| | - Viola Freigang
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany
| | - Himanshu Bhayana
- Department of Orthopaedics, UCMS and GTB Hospital, New Delhi, Delhi, 110095, India
| | - Maximilian Kerschbaum
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany
| | - Borys Frankewycz
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany
| | - Markus Loibl
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany
| | - Michael Nerlich
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany
| | - Florian Baumann
- Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany.
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Abstract
Atlanto-axial subluxation is a rare but potentially serious complication after otolaryngological procedures. We are describing a case of a 4-year-old child who developed atlanto-axial subluxation of the cervical spine after adenoidectomy. Our patient underwent adenoidectomy and, 18 days later, presented to the emergency department with her neck tilted to the left in a cock-robin position and complaining of neck pain persisting since the surgery. A multiplanar 3-dimensional computed tomography was obtained and confirmed the diagnosis of an atlanto-axial subluxation (Fielding type 3). She was managed conservatively with the application of a cervical collar, anti-inflammatory medication, and manual reduction under anesthesia later in the course because of persistence of her symptoms. It is important to consider this diagnosis in any child who undergoes ENT surgical procedures complaining of neck pain subsequent to surgery or holding the head in a fixed position persistently after surgery. Early diagnosis is important to reduce the time between the onset of symptoms and reduction to reduce the risk or need for surgical intervention.
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20
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Nidecker AE, Shen PY. Magnetic Resonance Imaging of the Craniovertebral Junction Ligaments: Normal Anatomy and Traumatic Injury. J Neurol Surg B Skull Base 2016; 77:388-95. [PMID: 27648395 DOI: 10.1055/s-0036-1584230] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
The superb stability and flexibility of the craniovertebral junction (CVJ) are enabled by the ligaments that connect the occipital bone and the C1 and C2 vertebral bodies. Radiographically, these ligaments are best assessed with magnetic resonance imaging (MRI), which has excellent soft tissue contrast, but typically poor spatial resolution. With the advent of advanced MRI techniques, including volumetric sequences, high spatial resolution and contrast resolution can both be attained, allowing for detailed analysis of the ligaments, particularly in trauma settings. We have instituted a cervical spine trauma protocol which utilizes a high resolution (1-mm voxel) volumetric proton density sequence to detect injuries to the ligaments of the CVJ in all trauma patients who receive a cervical spine MRI in our emergency room. In this article, we review techniques for imaging the ligaments at the CVJ, the normal imaging anatomy and the function of the CVJ ligaments, and their appearance in cases of traumatic injury.
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Affiliation(s)
- Anna E Nidecker
- Department of Radiology, University of California-Davis Medical Center, Sacramento, California, United States
| | - Peter Y Shen
- Department of Radiology, University of California-Davis Medical Center, Sacramento, California, United States
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Abstract
STUDY DESIGN Retrospective case series of atlantoaxial rotatory fixed dislocation (AARFD). OBJECTIVE To describe clinical features and the surgical treatment of AARFD. SUMMARY OF BACKGROUND DATA The classification and treatment strategy for atlantoaxial rotatory fixation (AARF) were previously described and remained controversial. AARF concomitant with atlantoaxial dislocation has different clinical features and treatment strategy with the most AARF. Due to deficiency of the transverse ligament or odontoid, the atlantoaxial remains unstable even after the torticollis relieved or cured. Because of the rarity, treatment strategy for this special condition has not been specialized and fully explored in the literatures. METHODS Thirty-two children with AARFD (sustained torticollis more than 6 weeks and atlanto-dental internal more than 5 mm) were retrospectively reviewed. Treatment methodology, pearls, and pitfalls of the treatment were discussed. RESULTS Thirty-two cases had sustained torticollis for an average of 5.7 months. ADI of them ranged from 8 to 22 mm, with a mean of 11.3 mm. Eight cases presented with signs and symptoms of spinal cord dysfunction. All 32 cases underwent surgery and had no spinal cord or vertebral artery injury. The surgery included posterior reduction and fusion (reducible dislocation and torticollis, 16 cases), and transoral release followed by posterior reduction and fusion (irreducible dislocation and torticollis, 16 cases). The average follow-up time was 42 months. Solid fusion and torticollis healing were achieved in 31 patients (96.9%) as detected radiologically. Two cases (6.3%, 2/32) suffered complications (cerebrospinal fluid leakage and recurred torticollis followed by revision). CONCLUSION AARFD had distinct clinical features relative to common presentations of AARF. Because of deficiency of the transverse ligament or odontoid and subsequent atlantoaxial dislocation, surgical treatments are applied for this condition, including transoral release and posterior C1-2 reduction and fusion. AARFD cases were successfully managed surgically without preoperative traction, with few complications seen. LEVEL OF EVIDENCE 4.
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22
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Mifsud M, Abela M, Wilson NIL. The delayed presentation of atlantoaxial rotatory fixation in children: a review of the management. Bone Joint J 2016; 98-B:715-20. [PMID: 27143747 DOI: 10.1302/0301-620x.98b5.36306] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Accepted: 11/13/2015] [Indexed: 11/05/2022]
Abstract
AIMS Although atlantoaxial rotatory fixation (AARF) is a common cause of torticollis in children, the diagnosis may be delayed. The condition is characterised by a lack of rotation at the atlantoaxial joint which becomes fixed in a rotated and subluxed position. The management of children with a delayed presentation of this condition is controversial. This is a retrospective study of a group of such children. PATIENTS AND METHODS Children who were admitted to two institutions between 1988 and 2014 with a diagnosis of AARF were included. We identified 12 children (four boys, eight girls), with a mean age of 7.3 years (1.5 to 13.4), in whom the duration of symptoms on presentation was at least four weeks (four to 39). All were treated with halo traction followed by a period of cervical immobilisation in a halo vest or a Minerva jacket. We describe a simple modification to the halo traction that allows the child to move their head whilst maintaining traction. The mean follow-up was 59.6 weeks (24 to 156). RESULTS Despite the delay in referral, the subluxation was successfully reduced in all children. Only two children required atlantoaxial fusion. CONCLUSION The results of our study suggest that normal anatomy with restoration of movement may be achieved even in cases of AARF presenting late, obviating the need for fusion. We also show a simple modification to the halo traction that allows the child to move their head about while still maintaining traction. TAKE HOME MESSAGE Prompt diagnosis and management with halo traction (with a simple modification as described) is associated with good results in patients with AARF who present late. Cite this article: Bone Joint J 2016;98-B:715-20.
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Affiliation(s)
- M Mifsud
- Mater Dei Hospital, Tal-Qroqq, Msida MSD2090, Malta
| | - M Abela
- Mater Dei Hospital, Tal-Qroqq, Msida MSD2090, Malta
| | - N I L Wilson
- Royal Hospital for Sick Children, Dalnair Street, Yorkhill, Glasgow G3 8SJ, UK
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Baumann F, Ernstberger T, Neumann C, Nerlich M, Schroeder GD, Vaccaro AR, Loibl M. Pediatric Cervical Spine Injuries: A Rare But Challenging Entity. ACTA ACUST UNITED AC 2016; 28:E377-84. [PMID: 26165728 DOI: 10.1097/bsd.0000000000000307] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Injuries to the cervical spine in pediatric patients are uncommon. A missed injury can have devastating consequences in this age group. Because of the lack of routine in diagnosis and management of pediatric cervical spine injuries (PCSI), each of these cases represents a logistic and personal challenge. METHODS By means of clinical cases, we demonstrate key points in diagnostics and treatment of pediatric spine injuries. We highlight typical pediatric injury patterns and more adult-like injuries. RESULTS The most common cause of injury is blunt trauma. There is an age-related pattern of injuries in pediatric patients. Children under the age of 8 frequently sustain ligamentous injuries in the upper cervical spine. After the age of 8, the biomechanics of the cervical spine are similar to adults, and therefore, bony injuries of the subaxial cervical spine are most likely to occur. Clinical presentation of PCSI is heterogeneous. Younger children can neither interpret nor communicate neurological abnormalities, which make timely and accurate diagnosis difficult. Plain radiographs are often misinterpreted. We find different types of injuries at different locations, because of different biomechanical properties of the immature spine. We outline that initial management is crucial for long-term outcome. CONCLUSIONS Knowledge of biomechanical properties and radiographic presentation of the immature spine can improve the awareness for PCSI. Diagnosis and management of pediatric patients after neck trauma can be demanding. LEVEL OF EVIDENCE Level IV.
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Affiliation(s)
- Florian Baumann
- *Department of Trauma Surgery, Regensburg University Medical Center, Regensburg, Germany †The Rothman Institute at Thomas Jefferson University, Philadelphia, PA
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Kaufmann RA, Marzi I, Vogl TJ. Delayed diagnosis of isolated alar ligament rupture: A case report. World J Radiol 2015; 7:357-360. [PMID: 26516433 PMCID: PMC4620117 DOI: 10.4329/wjr.v7.i10.357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 06/04/2015] [Accepted: 07/02/2015] [Indexed: 02/06/2023] Open
Abstract
Ligament disruptions at the craniovertebral junction are typically associated with atlantoaxial rotatory dislocation during upper cervical spine injuries and require external orthoses or surgical stabilization. Only in few patients isolated ruptures of the alar ligament have been reported. Here we present a further case, in which the diagnosis was initially obscured by a misleading clinical symptomatology but finally established six month following the trauma, demonstrating the value of contrast-enhanced high resolution 3 Tesla magnetic resonance imaging in identifying this particular lesion.
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Abstract
Atlantoaxial rotatory subluxation is a rare condition in which patients present with the acute onset of torticollis. Atlantoaxial rotatory subluxation represents a spectrum of disease from muscle spasm to a fixed mechanical block to reduction of the atlantoaxial complex. If left untreated, some cases may resolve spontaneously; however, other cases may result in the development of secondary changes in the bony anatomy of the atlantoaxial joint, leading to persistent deformity. Diagnosis of the condition is largely clinical but can be aided by various imaging modalities, including radiographs, dynamic CT scanning, three-dimensional CT reconstructions, or MRI. Consideration should always be given to infection or other inflammatory disease as an underlying, precipitating cause. Treatments include observation, the use a cervical collar and analgesics, halter or skeletal traction, and posterior fusion of C1-C2. The most important factor for success of conservative treatment is the time from the onset of symptoms to recognition and the initiation of treatment.
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26
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Avellino AM. Commentary on: "Spontaneous Ankylosis of Occiput to C2 following Closed Traction and Halo Treatment of Atlantoaxial Rotary Fixation". Global Spine J 2015; 5:239-40. [PMID: 26131393 PMCID: PMC4472288 DOI: 10.1055/s-0035-1549436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 02/10/2015] [Indexed: 11/02/2022] Open
Affiliation(s)
- Anthony M. Avellino
- OSF HealthCare Neuroscience Service Line and Illinois Neurological Institute, University of Illinois College of Medicine at Peoria, Peoria, Illinois, United States,Address for correspondence Anthony M. Avellino, MD, MBA Chief Executive Officer, OSF HealthCare Neuroscience Service Line and Illinois Neurological InstituteUniversity of Illinois College of Medicine at Peoria, 800 NE Glen Oak Avenue, Peoria, IL 61603United States
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Closed manual reduction maneuver of atlantoaxial rotatory dislocation in pediatric age. Childs Nerv Syst 2014; 30:1083-9. [PMID: 24389584 DOI: 10.1007/s00381-013-2347-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Accepted: 12/16/2013] [Indexed: 10/25/2022]
Abstract
PURPOSE The purposes of this study were to characterize the clinical and radiological features of type 1 and type 2 atlantoaxial rotatory dislocations (AARD) and to evaluate the outcome of the manual reduction maneuver for these types of dislocations in pediatric patients. METHODS This study considered 12 pediatric patients with AARD who were treated between January 2003 and March 2013. The diagnosis was established by clinical findings and 3D-CT. All of the patients were treated by closed manual reduction and then a cervical orthosis was performed. All of the patients were followed up at regular intervals. RESULTS The causes of the AARD were trauma (91.67 %) and infection (8.33 %). The time between onset of symptoms and admission to the hospital ranged from 16 days to 6 months. In radiological evaluation, the mean rotational angulation of the patients was 30.58°. The 3D-CT examination showed that six patients (50 %) had type 1 dislocation and six patients (50 %) had type 2 dislocation. All of the patients were treated by closed manual reduction and then a cervical orthosis was performed. For 11 patients (91.67 %), dislocation was successfully reducted and maintained. One patient (8.33 %) underwent surgery, following recurrence of the second closed reduction maneuver. CONCLUSION This preceding treatment method has successfully produced a fast and recurrence-free alignment on all except one of our patients. This technique can be a useful treatment alternative in carefully selected AARD cases. Future research is encouraged to improve decision making in the application of this treatment method and provide additional validation of the current findings.
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Udare AS, Bansal D, Patel B, Mondel PK, Aiyer S. Condylus tertius with atlanto-axial rotatory fixation: an unreported association. Skeletal Radiol 2014; 43:535-9. [PMID: 24150830 DOI: 10.1007/s00256-013-1747-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2013] [Revised: 09/02/2013] [Accepted: 09/22/2013] [Indexed: 02/02/2023]
Abstract
The "condylus tertius" or the "third occipital condyle" is an embryological remnant of the proatlas sclerotome. Anatomically, it is attached to the basion and often articulates with the anterior arch of the atlas and the odontoid apex; hence, it is also called the "median occipital condyle". It is a rare anomaly of the cranio-vertebral junction (CVJ) that can lead to instability and compression of important surrounding neurovascular structures. We report a case of a 16-year-old boy who presented with suboccipital neck pain, torticollis and right sided hemiparesis. Plain radiographs revealed an increased atlanto-dental interspace (ADI) with a retroflexed odontoid. Open mouth view showed asymmetry of the articular processes of the atlas with respect to the dens. Computed tomography (CT) of the CVJ delineated the third occipital condyle. Furthermore, on dynamic CT study, a type 3 atlanto-axial rotatory fixation (AARF) was clearly demonstrated. Magnetic resonance imaging (MRI) of the CVJ revealed severe right-sided spinal cord compression by the retroflexed and rightward deviated dens. It also revealed disruption of the left alar and transverse ligaments. The patient was treated with 8 weeks of cranial traction and reasonable alignment was obtained. This was followed by C1-C2 lateral mass screw fixation and C1-C2 interlaminar wiring to maintain the alignment. A review of the literature did not reveal any cases of condylus tertius associated with non-traumatic AARF. An accurate knowledge of the embryology and imaging features of this rare CVJ anomaly is useful in the prompt diagnosis and management of such patients.
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TARANTINO R, DONNARUMMA P, MAROTTA N, MISSORI P, VIOZZI I, LANDI A, DELFINI R. Atlanto axial rotatory dislocation in adults: a rare complication of an epileptic seizure--case report. Neurol Med Chir (Tokyo) 2013; 54:413-6. [PMID: 24201098 PMCID: PMC4533434 DOI: 10.2176/nmc.cr2012-0431] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2012] [Accepted: 03/12/2013] [Indexed: 12/01/2022] Open
Abstract
Atlanto Axial Rotatory Dislocations (AARDs) are a heterogeneous group of post-traumatic pathologies typical of the pediatric age, and rare in adults. We describe the case of a 34-year-old woman, developing Atlanto Axial Rotatory Fixation (AARF) after a generalized tonic-clonic epileptic seizure, an extremely rare traumatic cause never described in literature. AARF was detected only 1 month after the accident and nonsurgical treatment was attempted at the beginning. The patient underwent surgery only 2 months after the accident. The best treatment should be conservative reduction within 1 month; when it is not possible, it is advisable to perform surgery as soon as possible. C1-C2 fixation with Harm's technique is the gold standard for fixed luxations. Delay of treatment makes intraoperative reduction more difficult and increase the establishment of the chronic permanent change of neck muscles and ligaments.
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Affiliation(s)
- Roberto TARANTINO
- Department of Neurosurgery, Sapienza University of Rome, Rome, Italy
| | | | - Nicola MAROTTA
- Department of Neurosurgery, Sapienza University of Rome, Rome, Italy
| | - Paolo MISSORI
- Department of Neurosurgery, Sapienza University of Rome, Rome, Italy
| | - Ilaria VIOZZI
- Department of Neurosurgery, Sapienza University of Rome, Rome, Italy
| | - Alessandro LANDI
- Department of Neurosurgery, Sapienza University of Rome, Rome, Italy
| | - Roberto DELFINI
- Department of Neurosurgery, Sapienza University of Rome, Rome, Italy
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