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Hamrick FA, Sherrod BA, Cole K, Cox P, Croci DM, Bowers CA, Mazur MD, Dailey AT, Bisson EF. Using Frailty Measures to Predict Functional Outcomes and Mortality After Type II Odontoid Fracture in Elderly Patients: A Retrospective Cohort Study. Global Spine J 2024; 14:1552-1562. [PMID: 36626221 DOI: 10.1177/21925682221149394] [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] [Indexed: 01/11/2023] Open
Abstract
STUDY DESIGN Single-center retrospective cohort study. OBJECTIVES Type II odontoid fractures occur disproportionately among elderly populations and cause significant morbidity and mortality. It is a matter of debate whether these injuries are best managed surgically or conservatively. Our goal was to identify how treatment modalities and patient characteristics correlated with functional outcome and mortality. METHODS We identified adult patients (>60 years) with traumatic type II odontoid fractures. We used multivariate regression controlling for patient demographics, Glasgow Coma Scale (GCS) score, Charlson Comorbidity Index (CCI), modified Rankin Scale (mRS) score, modified Frailty Index (mFI-5 and mFI-11), fracture displacement, and conservative vs operative treatment. RESULTS Of the 59 patients (mean age 77.9 years), 24 underwent surgical intervention and 35 underwent conservative management. Operatively managed patients were younger (73.4 vs 80.6 years, P < .001) and had higher degree of fracture displacement (3.5 vs 1.0 mm, P = .002) than conservatively managed patients but no other differences in baseline characteristics. Twenty-four patients (40.7%) died within the study period (median time to death: 376 days). There were no differences between treatment groups in functional outcomes (mRS or Frankel Grade) or mortality (33.3% in operative group vs 45.7%, P = .34). There was a statistically significant correlation between higher presentation mRS score and subsequent mortality on multivariate analysis (OR = 2.06, 95% CI 1.04-4.10, P = .039), whereas surgical intervention, age, GCS score, CCI, mFI-5, mFI-11, sex, and fracture displacement were not significantly correlated. CONCLUSIONS Mortality after type II odontoid fractures in elderly patients is common. mRS score at presentation may help predict mortality more accurately than other patient factors.
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Affiliation(s)
| | - Brandon A Sherrod
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, UT, USA
| | - Kyril Cole
- School of Medicine, University of Utah, Salt Lake City, UT, USA
| | - Parker Cox
- School of Medicine, University of Utah, Salt Lake City, UT, USA
| | - Davide M Croci
- Department of Neurosurgery, University of South Florida, Tampa, FL, USA
| | - Christian A Bowers
- Department of Neurosurgery, University of New Mexico, Albuquerque, NM, USA
| | - Marcus D Mazur
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, UT, USA
| | - Andrew T Dailey
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, UT, USA
| | - Erica F Bisson
- Department of Neurosurgery, Clinical Neurosciences Center, University of Utah, Salt Lake City, UT, USA
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Stadhouder A, van Rossenberg LX, Kik C, Muijs SPJ, Öner FC, Houwert RM. Natural Experiments as a Study Method in Spinal Trauma Surgery: A Systematic Review. Global Spine J 2024; 14:1640-1649. [PMID: 38073538 DOI: 10.1177/21925682231220889] [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] [Indexed: 12/22/2023] Open
Abstract
STUDY DESIGN Systematic review. OBJECTIVES To determine if the natural experiment design is a useful research methodology concept in spinal trauma care, and to determine if this methodology can be a viable alternative when randomized controlled trials are either infeasible or unethical. METHODS A Medline, Embase and Cochrane database search was performed between 2004 and 2023 for studies comparing different treatment modalities of spinal trauma. All observational studies with a natural experiment design comparing different treatment modalities of spinal trauma were included. Data extraction and quality assessment with the MINORS criteria was performed. RESULTS Four studies with a natural experiment design regarding patients with traumatic spinal fractures were included. All studies were retrospective, one study collected follow-up data prospectively. Three studies compared different operative treatment modalities, whereas one study compared different antibiotic treatment strategies. Two studies compared preferred treatment modalities between expertise centers, one study between departments (neuro- and orthopedic surgery) and one amongst surgeons. For the included retrospective studies, MINORS scores (maximum score 18) were high ranging from 12-17 and with a mean (SD) of 14.6 (1.63). CONCLUSIONS Since 2004 only four studies using a natural experiment design have been conducted in spinal trauma. In the included studies, comparability of patient groups was high emphasizing the potential of natural experiments in spinal trauma research. Natural experiments design should be considered more frequently in future research in spinal trauma as they may help to address difficult clinical problems when RCT's are infeasible or unethical.
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Affiliation(s)
- Agnita Stadhouder
- Department of Orthopaedics and Sports Medicine, Amsterdam University Medical Centers, Amsterdam, Netherlands
| | - Luke Xander van Rossenberg
- Faculty of Health Sciences and Medicine, University of Lucerne, Lucerne, Switzerland
- Department of Trauma Surgery, Diakonessenhuis, Utrecht, Netherlands
| | - Charlotte Kik
- Department of Neurosurgery, Erasmus MC, Rotterdam, Netherlands
| | - S P J Muijs
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, Netherlands
| | - F C Öner
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, Netherlands
| | - R Marijn Houwert
- Department of Trauma Surgery, University Medical Center Utrecht, Utrecht, Netherlands
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Lvov I, Grin A, Talypov A, Kordonskiy A, Tupikin A. Short-term and long-term results of odontoid screw fixation in patients with Type II and rostral Type III dens fractures. NEUROCIRUGIA (ENGLISH EDITION) 2024:S2529-8496(24)00028-5. [PMID: 38821449 DOI: 10.1016/j.neucie.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 04/23/2024] [Indexed: 06/02/2024]
Abstract
OBJECTIVES To evaluate both the short-term and long-term outcomes of odontoid screw fixation (OSF), identifying potential risk factors for implant-related complications in patients with odontoid fractures. METHODS This is a retrospective observational cohort study. Inclusion criteria were as follows: 1) Type II fractures and rostral Type III fractures, according to the Anderson and D'Alonzo classification; 2) patients older than 15 years. Exclusion criteria were: 1) other Type III injuries; 2) osteoporosis confirmed by densitometry or a CT bone density score below 100 Hounsfield units; 3) odontoid fractures related to tumors or aneurysmal bone cysts. RESULTS In total, 56 patients were considered for the analysis of short-term results, and 26 patients were evaluated for long-term outcomes. No significant differences were observed in the preoperative imaging data and intraoperative features of OSF between patients with Type II and rostral Type III fractures. The mean operative duration was 63.9 ± 20.9 min, and the mean intraoperative blood loss was 22.1 ± 22.9 ml. Screw cut-out was identified in four patients with rostral Type III fractures (p = 0.04). The rate of screw cut-out was found to correlate with the degree of dens fragment displacement. The bone fusion rate was 95.7%. CT scans identified stable pseudarthrosis in two cases. We observed C2-C3 ankylosis in all cases following partial disc resection. One third of patients with screws placed through the anterior lip of C2 showed no C2-C3 ankylosis. A strong trend towards lateral joint ankylosis formation in patients with a median lateral mass dislocation of 11.9 mm was observed. Most SF-36 scores either matched or exceeded the corresponding normal median values in the published reference database. CONCLUSIONS OSF is a reliable treatment method of Type II and rostral Type III odontoid fractures with fragment displacement of 4 mm or less. The minimally invasive OSF through the anterior-inferior lip of C2, using monocortical screw placement and cannulated instruments, without rigid intraoperative head immobilization, is sufficient to achieve favorable clinical and fusion results. This technique reduces the risk of ankylosis in the C2-C3 segment. OSF restore the quality of life for patients with odontoid fractures to levels comparable to those of the general population norm.
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Affiliation(s)
- Ivan Lvov
- Department of Neurosurgery, Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia.
| | - Andrey Grin
- Department of Neurosurgery, Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia
| | - Aleksandr Talypov
- Department of Neurosurgery, Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia
| | - Anton Kordonskiy
- Department of Neurosurgery, Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia
| | - Aleksandr Tupikin
- Department of Neurosurgery, Sklifosovsky Research Institute for Emergency Medicine, Moscow, Russia
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Jiang SH, Deysher D, Adachi K, Bhaskara M, Almadidy Z, Sadeh M, Mehta AI, Chaudhry NS. Surgical Outcomes in Octogenarians with Central Cord Syndrome: A Propensity-Score Matched Analysis. World Neurosurg 2024; 184:e228-e236. [PMID: 38266996 DOI: 10.1016/j.wneu.2024.01.090] [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: 11/12/2023] [Revised: 01/14/2024] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
OBJECTIVE Central cord syndrome (CCS) is a traumatic cervical spine injury that is treated with surgical decompression. In octogenarians (80-89), surgeons often opt for conservative management instead due to fears of postoperative complications and prolonged recovery times. This study aims to assess the in-hospital complications and outcomes in octogenarians undergoing surgery compared to those undergoing nonsurgical management for CCS. METHODS The National Trauma Data Bank was queried from 2017 to 2019 for octogenarians with CCS. Patients who received surgical fusion or decompression were divided into the surgery group and the remaining into the nonsurgical group. The surgery group was sampled and propensity score matched with the non-surgery group. Student t tests and Pearson χ2 tests were used to test for group differences. RESULTS A total of 759 octogenarians with CCS were identified. Following sampling and propensity score matching, 225 patients were identified in each group. The surgery group experienced longer intensive care unit (6.8 days vs. 3.21 days, P < 0.001) and hospital (13.79 days vs. 7.8 days, P < 0.001) lengths of stay and higher rates of deep vein thrombosis (4.89% vs. 0.44%, P = 0.02) and ventilator-associated pneumonia (4% vs. 0%, P = 0.02). Patients did not otherwise differ in mortality rate, other hospital complications, and discharge disposition. CONCLUSIONS Octogenarians undergoing surgery for CCS experience longer length of stay and complications consistent with prolonged hospitalization but otherwise have similar mortality, hospital complications, and discharge disposition compared to non-surgical treatment. Given the relative lack of short-term drawbacks, surgery should be considered first-line management when the long-term benefits are substantive.
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Affiliation(s)
- Sam H Jiang
- University of Illinois College of Medicine at Chicago, Chicago, Illinois, USA.
| | - Daniel Deysher
- University of Illinois College of Medicine at Chicago, Chicago, Illinois, USA
| | - Kaho Adachi
- University of Illinois College of Medicine at Chicago, Chicago, Illinois, USA
| | - Mounika Bhaskara
- University of Illinois College of Medicine at Chicago, Chicago, Illinois, USA
| | - Zayed Almadidy
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Morteza Sadeh
- Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Ankit I Mehta
- University of Illinois College of Medicine at Chicago, Chicago, Illinois, USA; Department of Neurosurgery, University of Illinois, Chicago, Illinois, USA
| | - Nauman S Chaudhry
- Department of Neurosurgery and Brain Repair, University of South Florida, Lakeland, Florida, USA
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Goh BC, Issa TZ, Lee Y, Vaccaro AR, Sebastian AS. Evidence and Controversies in Geriatric Odontoid Fracture Management. J Am Acad Orthop Surg 2024; 32:e84-e94. [PMID: 37793151 DOI: 10.5435/jaaos-d-23-00389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 08/26/2023] [Indexed: 10/06/2023] Open
Abstract
Geriatric odontoid fractures are some of the most common spine injuries in our aging population, and their prevalence is only continuing to increase. Despite several investigational studies, treatment remains controversial and there is limited conclusive evidence regarding the management of odontoid fractures. These injuries typically occur in medically complex and frail geriatric patients with poor bone quality, making their treatment particularly challenging. In this article, we review the evidence for conservative management as well as surgical intervention and discuss various treatment strategies. Given the high morbidity and mortality associated with odontoid fractures in the elderly, thoughtful consideration and an emphasis on patient-centered goals of treatment are critical to maximize function in this vulnerable population.
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Schnadthorst PG, Lankes C, Schulze C. [Conservative treatment of trauma-associated fractures of the cervical spine with orthoses-A review]. UNFALLCHIRURGIE (HEIDELBERG, GERMANY) 2023; 126:943-950. [PMID: 36469100 DOI: 10.1007/s00113-022-01261-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/27/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Traumatic injuries of the cervical spine are common and can significantly differ in the prognosis and treatment depending on the structure affected. We present the current evidence for conservative treatment of these fractures with orthoses in this review. METHODOLOGY The literature search followed the PRISMA protocol. The risk of bias was assessed using ROBINS‑I and evidence levels were determined according to AHCPR. RESULTS A total of 22 studies were identified. The level of evidence according to AHCPR is limited (IIb, III and IV) and every study had a serious risk of bias in at least one subdivision. Of the authors 11 presented conservative treatment concepts for C2 dens fractures, 7 studies focussed on vertebral arch fractures and 9 on vertebral body fractures. Radiological parameters (kyphosis angle, bone consolidation) and the neurological status were frequently reported as endpoints. CONCLUSION Stable C2 dens fractures without relevant clinical restrictions allow conservative treatment in a rigid cervical orthosis under radiological monitoring every 1-4 weeks. Type II fractures require special attention due to the risk of instability. Hangman's fractures can be safely treated in rigid cervical orthoses. The current state of knowledge does not allow any recommendation for conservative treatment of Hangman's fractures with orthoses. Stable vertebral body fractures without involvement of the spinal canal can also be treated conservatively with orthotic devices. Randomized controlled studies are required to develop a secure state of evidence and are currently not available.
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Affiliation(s)
| | - Celine Lankes
- Orthopädische Klinik und Poliklinik, Universitätsmedizin Rostock, Doberaner Str. 142, 18057, Rostock, Deutschland
| | - Christoph Schulze
- Zentrum für Sportmedizin der Bundeswehr, Dr.-Rau-Allee 32, 48231, Warendorf, Deutschland
- Orthopädische Klinik und Poliklinik, Universitätsmedizin Rostock, Doberaner Str. 142, 18057, Rostock, Deutschland
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Jung MK, Hörnig L, Raisch P, Grützner PA, Kreinest M. Odontoid fracture in geriatric patients - analysis of complications and outcome following conservative treatment vs. ventral and dorsal surgery. BMC Geriatr 2023; 23:748. [PMID: 37968595 PMCID: PMC10652439 DOI: 10.1186/s12877-023-04472-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 11/09/2023] [Indexed: 11/17/2023] Open
Abstract
BACKGROUND Different treatment options are discussed for geriatric odontoid fracture. The aim of this study was to compare the treatment options for geriatric odontoid fractures. METHODS Included were patients with the following criteria: age ≥ 65 years, identification of seniors at risk (ISAR score ≥ 2), and odontoid fracture type A/B according to Eysel and Roosen. Three groups were compared: conservative treatment, surgical therapy with ventral screw osteosynthesis or dorsal instrumentation. At a follow-up examination, the range of motion and the trabecular bone fracture healing rate were evaluated. Furthermore, demographic patient data, neurological status, length of stay at the hospital and at the intensive care unit (ICU) as well as the duration of surgery and occurring complications were analyzed. RESULTS A total of 72 patients were included and 43 patients could be re-examined (range: 2.7 ± 2.1 months). Patients with dorsal instrumentation had a better rotation. Other directions of motion were not significantly different. The trabecular bone fracture healing rate was 78.6%. The patients with dorsal instrumentation were hospitalized significantly longer; however, their duration at the ICU was shortest. There was no significant difference in complications. CONCLUSION Geriatric patients with odontoid fracture require individual treatment planning. Dorsal instrumentation may offer some advantages.
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Affiliation(s)
- Matthias K Jung
- Department of Trauma and Orthopaedic Surgery, BG Klinik Ludwigshafen, Ludwigshafen, Germany.
| | - Lukas Hörnig
- Department of Trauma and Orthopaedic Surgery, BG Klinik Ludwigshafen, Ludwigshafen, Germany
| | - Philipp Raisch
- Department of Trauma and Orthopaedic Surgery, BG Klinik Ludwigshafen, Ludwigshafen, Germany
| | - Paul A Grützner
- Department of Trauma and Orthopaedic Surgery, BG Klinik Ludwigshafen, Ludwigshafen, Germany
| | - Michael Kreinest
- Department of Trauma and Orthopaedic Surgery, BG Klinik Ludwigshafen, Ludwigshafen, Germany
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Castel X, Pelletier JB, Sulpis B, Charier D, Buhot B, Mihail G, Carlioz V, Barral-Clavel F, Sylvain G, Tetard MC, Vassal F. MFI-11 Predicts Post-Operative Serious Complications in Patients Undergoing Surgery for Odontoid Fractures. Global Spine J 2023:21925682231205103. [PMID: 37776203 DOI: 10.1177/21925682231205103] [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] [Indexed: 10/02/2023] Open
Abstract
STUDY DESIGN Retrospective Cohort. OBJECTIVES The objective of this study was to analyze postoperative complications in different mFI-11 groups after surgery for odontoid fractures in a geriatric population. METHODS A single center retrospective review of odontoid fractures surgery (between 2013 and 2022) in patients aged 65 years and older was conducted. The primary outcome was the occurrence of a major complication (Calvien-Dindo ≥4) within 30 days post-surgery. The secondary outcome was the occurrence of a major complication within 3 months after surgery, and death within 1-month post-surgery. Survival curve, multi-variate analysis was performed and adjusted receiver operating characteristic curves were generated. RESULTS There were 92 patients included in this study, with a mean age of 80.5 years. Serious complication occurred for 16 patients (17%) during hospitalization. Multivariate analysis demonstrated an mFI 11 >.27 was strongly and independently associated with serious complications within 1-month post-surgery (OR = 16.7, 95% CI = 4.50-83), as well as serious complications within 3 months post-surgery (OR = 11.8, 95% CI = 3.48-49.1) and death within 1 month post-surgery (OR = 11.7; 95% CI = 3.02-60.4). The Receiver Operator Characteristics (ROC) curves for the three models all have an Area Under the Curve (AUC) value greater than 0.7. CONCLUSIONS The mFI-11 is a straightforward and validated tool that can be used during the preoperative period to identify the patient's level of frailty and assess their risk of postoperative complications. Patients with mFI-11 ≥.27 are at greater risk of serious complications within 1 and 3 months' post-surgery and death within 1 month post-surgery.
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Affiliation(s)
- Xavier Castel
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Jean-Baptiste Pelletier
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Benoit Sulpis
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - David Charier
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Benjamin Buhot
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Gurschi Mihail
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Violette Carlioz
- Dermatology Department, Centre Hospitalier de Firminy, Firminy, France
| | - Fanelie Barral-Clavel
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Granges Sylvain
- Radiology Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Marie-Charlotte Tetard
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
| | - Francois Vassal
- Neurosurgery Department, Centre Hospitalier Universitaire de Saint-Etienne, Saint-Etienne, France
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Sebastian RF, Tobing SDAL. Sonntag procedure in Atlanto-odontoid fractures type III in restoring Atlanto-axial complex stability: A case report. Int J Surg Case Rep 2023; 110:108545. [PMID: 37572471 PMCID: PMC10440505 DOI: 10.1016/j.ijscr.2023.108545] [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: 04/26/2023] [Revised: 07/08/2023] [Accepted: 07/15/2023] [Indexed: 08/14/2023] Open
Abstract
INTRODUCTION AND IMPORTANCE Fractures of the second cervical vertebrae (C2) and its odontoid process account for one of the most frequent cervical spine injuries that cause significant mortality and morbidity. The goal of injury treatment is to restore atlantoaxial complex stability. This article reports a young male patient aged 19 years who underwent surgical treatment due to odontoid fractures type III. CASE PRESENTATION A 19-year-old male patient came with a chief complaint of weakness in the upper and lower extremities for 3 weeks before admission. The patient underwent a series of physical and radiological examinations and was diagnosed with atlanto-odontoid fracture dislocation Anderson and D'Alonzo classification type III and motoric aphasia due to traumatic subdural hygroma. The patient underwent temporary cervical traction with Garden-Wells tongs and planned for posterior stabilization with the Sonntag procedure. Three and six months follow-ups showed significant clinical improvement in range of motion (ROM). CLINICAL DISCUSSION Surgical modalities of stabilization are more commonly chosen in patients with type II and type III odontoid fractures. We performed posterior stabilization with C1-C2 fusion using a modified Gallie (Sonntag) procedure and trans articular screw placement using the Magerl technique. The Gallie procedure was chosen because it could limit atlas displacement effectively which significantly improved Neck Disability Index (NDI) and visual analog score (VAS). CONCLUSION We presented a rare case of Atlanto-odontoid fractures treated with a surgical procedure using a posterior approach that resulted in a excellent outcomes.
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Affiliation(s)
- Rheza Fabianto Sebastian
- Department of Orthopaedics and Traumatology, Dr. Cipto Mangunkusumo General Hospital - Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia.
| | - Singkat Dohar A L Tobing
- Department of Orthopaedics and Traumatology, Dr. Cipto Mangunkusumo General Hospital - Faculty of Medicine Universitas Indonesia, Jakarta, Indonesia
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Bao X, Chen Y, Guo C, Xu S. Comparison of anterior and posterior approaches in Treating odontoid fractures: a meta-analysis and systematic review. Front Surg 2023; 10:1125665. [PMID: 37377671 PMCID: PMC10291183 DOI: 10.3389/fsurg.2023.1125665] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
Background Odontoid fractures account for 15%-20% of cervical injuries. Although the operation methods vary in different types, the superiority of overall outcomes of the anterior approach (AA) and posterior approach (PA) in treating odontoid fractures still remains controversial. Thus, a meta-analysis was performed comparing AA and PA for these fractures. Methods The relevant studies were searched in PubMed/MEDLINE, Cochrane Library, EMBASE, China Biological Medicine (CBM), and Wanfang Database from the onset of conception to June 2022. Prospective or retrospective comparative studies on AA and PA for odontoid fractures were screened, referring to fusion rates (primary outcomes), complications, and postoperative mortality rates. A meta-analysis of the primary outcomes and a systematic review of other outcomes were performed; the procedure was conducted with Review Manager 5.3. Results Twelve articles comrising 452 patients were included, and all publications were retrospective cohort studies. The average postoperative fusion rate was 77.5 ± 17.9% and 91.4 ± 13.5% in AA and PA, respectively, with statistical significance [OR = 0.42 (0.22, 0.80), P = 0.009]. Subgroup analysis showed a difference in fusion rates between AA and PA in the elderly group [OR = 0.16 (0.05, 0.49), P = 0.001]. Five articles referred to postoperative mortality, and the mortality rates of AA (5.0%) and PA (2.3%) showed no statistical difference (P = 0.148). Nine studies referred to complications, with a rate of 9.7%. The incidence of complications in AA and PA groups was comparable (P = 0.338), and the incidence of nonfusion and complications was irrelevant. The prevalent cause of death was myocardial infarction. The time and segmental movement retention of AA were possibly superior to those of PA. Conclusion AA may be superior in regard to operation time and motion retention. There was no difference in complications and mortality rates between the two approaches. The posterior approach would be preferred in consideration of the fusion rate.
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Affiliation(s)
- Xianguo Bao
- Spinal Surgery, Nanjing Lishui People’s Hospital, Nanjing, China
| | - Yingjun Chen
- Spinal Surgery, Nanjing Lishui People’s Hospital, Nanjing, China
| | - Chen Guo
- Spinal Surgery, Peking University People’s Hospital, Beijing, China
| | - Shuai Xu
- Spinal Surgery, Peking University People’s Hospital, Beijing, China
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Baisden JL, Varghese V, Banerjee A, Yoganandan N. Regional variations in C1-C2 bone density on quantitated computed tomography and clinical implications. NORTH AMERICAN SPINE SOCIETY JOURNAL 2023; 14:100228. [PMID: 37440985 PMCID: PMC10333715 DOI: 10.1016/j.xnsj.2023.100228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 07/15/2023]
Abstract
Background Our elderly population is growing and the number of spine fractures in the elderly is also growing. The elderly population in general may be considered as poor surgical candidates experience a high rate of fractures at C1 and C2 compared with the general population. Nonoperative management of upper cervical fractures is not benign as there is a high nonunion rate for both C1 and C2 fractures in the elderly, and orthosis compliance is often suboptimal, or complicated by skin breakdown. The optimal technique for upper cervical stabilization in the elderly may be different than in younger populations as the bone quality is inferior in the elderly. The objective of this basic science study is to determine whether the bone mineral density (BMD) of C1 and C2 vary by region, and if this is a gender difference in this elderly age group. Methods Twenty cadaveric spines from 45 to 83 years of age were used to obtain BMD using quantitated computed tomography (QCT). BMD was measured using a QCT. For C1, 8 regions were determined: anterior tubercle, bilateral anterior and medial lateral masses, bilateral posterior arches, and posterior tubercle. For C2, 7 regional BMDs were determined: top of odontoid, base of odontoid-body interface, mid body, bilateral lateral masses, anterior inferior body near the discs space, and the C2 spinous process. Results The BMD was greatest at the C1 anterior tubercle (564.4±175.8 mg/cm3) and C1 posterior ring (420.8±110.2 mg/cm3), and least at the anterior and medial lateral masses (262.8±59.5 mg/cm3, 316.9±72.6 mg/cm3). At C2 QCT BMD was greatest at the top of the dens (400.6±107.9 mg/cm3) decreasing down through the odontoid-C2 body junction (267.8±103.5 mg/cm3) and least in the mid C2 body 249.1±68.8 mg/cm3). The posterior arch of C1 and the spinous process of C2 had higher BMD's 420.8±110.2 mg/cm3 and 284.1±93.0 mg/cm3, respectively. A high correlation was observed between the BMD at the interface of the dens-vertebral body with the vertebral body with a Pearson correlation coefficient of 0.86. The BMD of the top of dens was significantly higher (p<.05) than all the regions in C2. Conclusions Regional and segmental BMD variations at C1 and C2 have clinical implications for surgical constructs in the elderly population. Given the higher BMDs of the C1 and C2 spinous process and posterior arches, consideration should be given to incorporate these areas using various C1-C2 wiring techniques. In the elderly, lateral masses particularly at C1 with lower BMD may result in potential screw loosening and nonunion in this age group. Old-school wiring techniques have a track record of efficacy and safety with less blood loss, reduced operative time, reduced X-ray exposure, and should be considered in the elderly as a primary stabilization technique or a belt-over suspenders approach based on regional variations in BMD in the elderly.
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Affiliation(s)
- Jamie L Baisden
- Department of Neurosurgery, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI 53226, United States
| | - Vicky Varghese
- Department of Orthopedics, Skokie Hospital, NorthShore University Health System, 9600 Gross Point Rd, Skokie, IL 60076, United States
| | - Anjishnu Banerjee
- Department of Biostatistics, Medical College of Wisconsin, Milwaukee, WI 53226, United States
| | - Narayan Yoganandan
- Department of Neurosurgery, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI 53226, United States
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12
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Traumatic cervical spine fracture patterns on CT: a retrospective analysis at a level 1 trauma center. Emerg Radiol 2021; 28:965-976. [PMID: 34117506 DOI: 10.1007/s10140-021-01952-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/24/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE The purpose of our study was to determine common acute traumatic cervical spine fracture patterns on CT cervical spine (CTCS). METHODS We retrospectively reviewed 1091 CTCS positive for traumatic fractures performed over a 10-year period at a level 1 trauma center. Fractures were classified by vertebral level, laterality, and anatomic location (anterior/posterior arch, body, odontoid, pedicle, facet, lateral mass, lamina, spinous process, transverse foramina, and transverse processes). RESULTS C2 was the most commonly fractured vertebra (38% of all studies), followed by C7 (32.4%). 48.7% of studies had upper cervical spine (C1 and/or C2) fractures. 39.7% of positive studies involved > 1 vertebral level. Conditioned on fractures at one cervical level, the probability of fracture was greatest at adjacent levels with a 50% chance of sustaining a C7 fracture with C6 fracture. However, 31.3% (136) of studies with multi-level fractures had non-contiguous fractures. The most common isolated vertebral process fracture was of the transverse process, seen in 89 (8.2%) studies at a single level, 27 (2.5%) studies at multiple levels. Subaxial spine vertebral process fractures outnumbered body fractures with progressive dominance of vertebral process fracture down the spine. CONCLUSION C2 was the most commonly fractured vertebral level. Multi-level traumatic cervical spine fractures constituted 40% of our cohort, most commonly at C6/C7 and C1/C2. Although the conditional probability of concurrent fracture in studies with multi-level fractures was greatest in contiguous levels, nearly one-third of multi-level fractures involved non-contiguous fractures.
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13
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AlSaleh K, Abulras M, Alrehaili O. Temporary spanning internal fixation for management of complex upper cervical spine fractures. JOURNAL OF CRANIOVERTEBRAL JUNCTION AND SPINE 2021; 12:10-14. [PMID: 33850376 PMCID: PMC8035578 DOI: 10.4103/jcvjs.jcvjs_118_20] [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: 07/23/2020] [Accepted: 11/22/2020] [Indexed: 11/09/2022] Open
Abstract
Introduction: Fractures of the upper cervical spine are often but not always amenable to either internal fixation or conservative management using a rigid cervical collar. For all other fractures in this area, management with a halo-vest orthosis is indicated, but it also has limitations. Here, we present an operative alternative to the halo-vest orthosis that provides more secure stability and less complications. Methods: Three patients presented to our hospital with atypical fractures of C1 and C2 and were given the choice of either a halo-vest orthosis or secure internal fixation without fusion and accepted the latter. Internal fixation without fusion from occiput to the subaxial spine was performed for all three and then removed-6 months later -after radiologic confirmation of healing. Results: All three patients underwent the procedure successfully and achieved and maintained acceptable alignment. Range of motion was preserved, and no intermediate-term issues were observed. Conclusion: Spanning internal fixation provides a safe and effective technique in the management of complex upper cervical spine injuries without the drawbacks of using a halo-vest orthosis.
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Affiliation(s)
- Khalid AlSaleh
- Department of Orthopedics College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Muteb Abulras
- Department of Orthopedics College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Osama Alrehaili
- Department of Orthopedics College of Medicine, King Saud University, Riyadh, Saudi Arabia
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14
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Fiani B, Arshad MA, Shaikh ES, Baig A, Farooqui M, Ayub MA, Zafar A, Quadri SA. Current updates on various treatment approaches in the early management of acute spinal cord injury. Rev Neurosci 2021; 32:513-530. [PMID: 33565738 DOI: 10.1515/revneuro-2020-0148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 12/18/2020] [Indexed: 01/02/2023]
Abstract
Spinal cord injury (SCI) is a debilitating condition which often leads to a severe disability and ultimately impact patient's physical, psychological, and social well-being. The management of acute SCI has evolved over the couple of decades due to improved understanding of injury mechanisms and increasing knowledge of disease. Currently, the early management of acute SCI patient includes pharmacological agents, surgical intervention and newly experimental neuroprotective strategies. However, many controversial areas are still surrounding in the current treatment strategies for acute SCI, including the optimal timing of surgical intervention, early versus delayed decompression outcome benefits, the use of methylprednisolone. Due to the lack of consensus, the optimal standard of care has been varied across treatment centres. The authors have shed a light on the current updates on early treatment approaches and neuroprotective strategies in the initial management of acute SCI in order to protect the early neurologic injury and reduce the future disability.
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Affiliation(s)
- Brian Fiani
- Department of Neurosurgery, Desert Regional Medical Center, 1150 N. Indian Canyon Drive, Palm Springs, CA92262, USA
| | - Mohammad Arsal Arshad
- Department of Neurosurgery, Desert Regional Medical Center, 1150 N. Indian Canyon Drive, Palm Springs, CA92262, USA
| | - Emad Salman Shaikh
- Department of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA, USA
| | - Aqsa Baig
- Liaquat National Hospital and Medical College, Karachi, Pakistan
| | - Mudassir Farooqui
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA
| | - Muhammed Abubakar Ayub
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Atif Zafar
- Department of Neurology, University of New Mexico, Albuquerque, NM, USA
| | - Syed A Quadri
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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15
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Ricciardi L, Trungu S, Scerrati A, De Bonis P, Rustemi O, Mazzetto M, Lofrese G, Cultrera F, Barrey CY, Di Bartolomeo A, Piazza A, Miscusi M, Raco A. Odontoid screw placement for Anderson type II odontoid fractures: how do duration from injury to surgery and clinical and radiological factors influence the union rate? A multicenter retrospective study. J Neurosurg Spine 2020; 34:27-31. [PMID: 33007754 DOI: 10.3171/2020.6.spine20318] [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] [Received: 03/07/2020] [Accepted: 06/01/2020] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Anderson type II odontoid fractures are severe conditions, mostly affecting elderly people (≥ 70 years old). Surgery can be performed as a primary treatment or in cases of failed conservative management. This study aimed to investigate how duration from injury to surgery, as well as clinical, radiological, and surgical risk factors, may influence the union rate after anterior odontoid screw placement for Anderson type II odontoid fractures. METHODS The authors conducted a retrospective multicenter study. Demographic, clinical, surgical, and radiological data of patients who underwent anterior odontoid screw placement for Anderson type II fractures were retrieved from institutional databases. Study exclusion criteria were prolonged corticosteroid drug therapy (> 4 weeks), polytraumatic injuries, oncological diagnosis, and prior cervical spine trauma. RESULTS Eighty-five patients were included in the present investigation. The union rate was 76.5%, and 73 patients (85.9%) did not report residual instability. Age ≥ 70 years (p < 0.001, OR 6), female gender (p = 0.016, OR 3.61), osteoporosis (p = 0.009, OR 4.02), diabetes (p = 0.056, OR 3.35), fracture diastasis > 1 mm (p < 0.001, OR 8.5), and duration from injury to surgery > 7 days (p = 0.002, OR 48) independently influenced union rate, whereas smoking status (p = 0.677, OR 1.24) and odontoid process angulation > 10° (p = 0.885, OR 0.92) did not. CONCLUSIONS Although many factors have been reported as influencing the union rate after anterior odontoid screw placement for Anderson type II fractures, duration from injury to surgery > 7 days appears to be the most relevant, resulting in a 48 times higher risk for nonunion. Early surgery appears to be associated with better radiological outcomes, as reported by orthopedic surgeons in other districts. Prospective comparative clinical trials are needed to confirm these results.
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Affiliation(s)
- Luca Ricciardi
- 1UO di Neurochirurgia, Ospedale Cardinal G. Panico, Tricase
- 2UOC di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Sapienza, Rome
| | - Sokol Trungu
- 1UO di Neurochirurgia, Ospedale Cardinal G. Panico, Tricase
- 2UOC di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Sapienza, Rome
| | - Alba Scerrati
- 3Dipartimento di Neurochirurgia, Azienda Ospedaliero, Universitaria S. Anna, Ferrara
| | - Pasquale De Bonis
- 3Dipartimento di Neurochirurgia, Azienda Ospedaliero, Universitaria S. Anna, Ferrara
| | | | | | - Giorgio Lofrese
- 5UOC di Neurochirurgia, Ospedale M. Bufalini, Cesena, Italy; and
| | | | | | - Alessandro Di Bartolomeo
- 2UOC di Neurochirurgia, Azienda Ospedaliera Sant'Andrea, Sapienza, Rome
- 6Hôpital Pierre Wertheimer, Lyon, France
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The impact of odontoid screw fixation techniques on screw-related complications and fusion rates: a systematic review and meta-analysis. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2020; 30:475-497. [DOI: 10.1007/s00586-020-06501-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/29/2020] [Accepted: 06/07/2020] [Indexed: 02/06/2023]
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