2,291 results match your criteria: "C1 Fractures"
Therapeutic strategies for mobile spine chordoma: en bloc Versus intralesional surgery with adjuvant charged-particle therapy.
J Neurooncol
October 2024
Department of Spine Surgery, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli, 1, Bologna, 40136, Italy.
Article Synopsis
- The study compares the effectiveness of two surgical approaches for treating mobile spine chordomas: en bloc resection versus intralesional resection with adjuvant hadron therapy, focusing on local control (LC) and overall survival (OS).
- In the analysis of 33 patients, no significant differences in LC between the two methods were found, but certain pre-operative factors like pathologic fractures were linked to a higher risk of local recurrence (LR).
- Although en bloc resection is preferred for better outcomes, advances in hadron therapy provide a viable alternative for local control with manageable side effects when using intralesional surgery.
Surgical technique of 3D computer-assisted navigated posterior fixation of the upper cervical spine: illustration of three cases.
J Spine Surg
September 2024
Department of Spine Surgery, Hospital for Special Surgery, New York, NY, USA.
Article Synopsis
- Upper cervical spine instrumentation is risky due to the anatomical complexities, including the proximity of critical structures like vertebral arteries and nerve roots, making precise surgery difficult.
- Recent advancements in 3D imaging and computer-assisted navigation (CAN) are improving the accuracy of screw placement and reducing surgical risks, though these techniques have been less commonly applied in cervical spine surgeries compared to lumbar and thoracic procedures.
- This manuscript provides a detailed technique using CAN for upper cervical instrumentation, specifically for various screw placements in patients with different cervical pathologies, demonstrating the importance of tailored approaches based on individual anatomical variations.
Secondary Displacement was Common in Healing Distal Femur Fractures in a Cohort of Elderly Patients.
Geriatr Orthop Surg Rehabil
October 2024
Department of Radiology, Sahlgrenska University Hospital, Gothenburg, Sweden.
Introduction: Surgical treatment of distal femoral fractures (DFFs) in osteoporotic bone is challenging despite improvements in hardware and surgical techniques. The occurrence and degree of secondary displacement during healing after bridging plate fixation are still unknown. This study aimed to assess the occurrence and degree of secondary displacement in healing DFFs in elderly patients and correlate the secondary displacement to body mass index, bone density, and weight-bearing regimen.
View Article and Find Full Text PDFMulticenter Prospective Clinical Study on Chairside-Fabricated Partial Crowns: 5-Year Results for Lithia-Zirconia Glass-Ceramic Restorations.
J Esthet Restor Dent
October 2024
Department of Cariology, Endodontology and Periodontology, University Medical Center, Leipzig, Germany.
Article Synopsis
- The study evaluated the clinical performance of chairside-fabricated lithia-zirconia glass-ceramic partial crowns (CCPCs) in a multicenter dental practice involving 71 patients and 92 restorations.
- Results showed that most restorations had a high success rate, but a few failures and complications occurred, particularly in one of the dental clinics, indicating variability in outcomes based on the operator.
- Overall, the findings suggest that LZGC CCPCs perform well over five years, but more data is needed to understand the impact of different operators on the success and survival rates of these restorations.
Differences in Cervical Spine Fractures in Patients Younger or Older Than 65 Years of Age: Implications for the Canadian C-Spine Rule.
AJNR Am J Neuroradiol
November 2024
From the Russell H. Morgan Department of Radiology and Radiological Science (M.R., S.Z., D.M.Y.), Johns Hopkins Medical Institution, Baltimore, Maryland
Article Synopsis
- Researchers studied older and younger people to see if there are differences in neck injuries and CT scans for those over and under 65 years old.
- They looked at data from emergency rooms about 22,000 patients injured over 5 years, focusing on how injuries happened, types of fractures, and treatments.
- The study found that older people often hurt their necks from falling, while younger people were more likely to hurt themselves in car accidents, and the types of fractures varied between the two age groups.
Comparison of surgical and conservative therapy in older patients with distal radius fracture: a prospective randomized clinic al trial.
J Orthop Traumatol
October 2024
Department for Orthopaedics and Traumatology, Kepler University Hospital GmbH, Johannes Kepler University Linz, Krankenhausstrasse 9, 4020 Linz and Altenberger Strasse 69, 4040, Linz, Austria.
Article Synopsis
- The distal radius fracture is the most common type of bone fracture in people, especially in older adults over 65 years old.
- This study compared two treatments: surgery and conservative care to see which one was better for wrist function and patient satisfaction.
- Results showed that patients who had surgery were much happier and had better wrist function compared to those who had conservative treatment, especially after 3, 6, and 12 months.
Multirod posterior occipitocervical instrumentation constructs: a biomechanical analysis and initial case series of 10 patients with complex craniocervical pathology.
Spine J
September 2024
Department of Orthopaedic Surgery, UCSF, San Francisco, CA, USA. Electronic address:
Article Synopsis
- - The study focuses on the biomechanical stabilization of the occipitocervical junction using novel multi-rod constructs to address challenging pathologies that arise due to limited bone surfaces in this area.
- - Researchers evaluated different rod configurations (2-rod TI, 2-rod CoCr, 3-rods, and 4-rods) and used finite element modeling to assess stress and range of motion across the OC-C4 junction.
- - Results indicated that 3- and 4-rod constructs exhibit lower stress on the rods compared to 2-rod constructs, while showing similar functionality regarding range of motion and discal stresses.
Evaluation of Biocomposite Cements for Bone Defect Repair in Rat Models.
Life (Basel)
August 2024
Department of Veterinary Surgery, Faculty of Veterinary Medicine, University of Agricultura Sciencies and Veterinary Medicine, 3-5 Manastur Street, 400372 Cluj-Napoca, Romania.
Repairing or reconstructing significant bone defects is typically challenging. In the present study, two composite cements were used as scaffolds in a sub-critical femoral defect in rats. A control group and two experimental batches were used to compare the outcomes.
View Article and Find Full Text PDFEvaluating laminar and lateral mass screw techniques in cervical injury management: A case series.
Int J Surg Case Rep
November 2024
Department of Orthopaedics and Traumatology, Faculty of Medicine, Universitas Indonesia, Cipto Mangunkusumo Hospital, Jakarta, Indonesia.
Article Synopsis
- The cervical spine is crucial for protecting nerves and allowing head and neck movement, but fractures can cause serious complications.
- This case series followed four patients who underwent posterior decompression and stabilization surgery using a specific screw fixation technique, with a 12-month follow-up to track recovery measures.
- The cases included a variety of conditions—ranging from a 72-year-old with a burst fracture to a 14-year-old with a traumatic dislocation—showing overall improvement in cervical curvature and range of motion post-surgery.
Successful Non-operative Management of Unstable Jefferson Fracture With Transverse Atlantal Ligament Injury (Dickman Type I and IIb) in a Pediatric Patient: A Case Report.
Cureus
August 2024
Department of Spinal Surgery, Hachioji Spine Clinic, Hachioji, JPN.
Article Synopsis
- The report discusses a case of an eight-year-old boy who suffered a Jefferson fracture with a related unstable avulsion fracture and damage to the transverse atlantal ligament.
- The patient was treated conservatively with a halo vest and a SOMI brace, leading to a full recovery.
- Follow-up imaging showed successful healing of the injury and stability at the C1/2 spinal level, contributing valuable insights into managing rare pediatric neck injuries without surgery.
Clinical presentation, imaging characteristics, and short-term outcome of eight cats presented with suspected traumatic atlantoaxial hyperflexion.
Vet Radiol Ultrasound
November 2024
Department of Clinical Science and Services, Royal Veterinary College, University of London, Hertfordshire, UK.
Article Synopsis
- - Traumatic atlantoaxial hyperflexion in cats is rare, with limited case reports, and can cause acute neurological symptoms influenced by other spinal cord conditions.
- - A study focused on eight young male domestic shorthair cats showed they experienced sudden onset nonpainful tetraparesis, often after a road traffic accident.
- - MRI results revealed a specific spinal lesion in all cases, and while half the cats showed neurological improvement, some were euthanized due to lack of progress.
Effect of dorsoplantar miniscrew fixation of the second metatarsal base fracture on residual diastases in acute lisfranc fracture-dislocation.
Int Orthop
November 2024
Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University, 170 Juhwa-ro, Ilsanseo-gu, Goyang-si, Gyeonggi-do, South Korea.
Article Synopsis
- The study compares two surgical techniques for treating acute Lisfranc fracture-dislocation involving a second metatarsal base fracture: isolated Lisfranc screw fixation and combined Lisfranc joint fixation with miniscrew fixation.
- Results showed that the isolated Lisfranc screw fixation group had a significantly greater postoperative C1-M2 distance and higher rates of residual diastasis than the combined fixation group.
- Although both groups had similar postoperative daily living ability scores, the sports performance scores were significantly better in the group that received combined fixation, suggesting it might be the superior technique.
Motion-preserving C1 lateral mass fixation with compression for unstable Jefferson fracture of the Atlas: technical note.
Neurosurg Rev
September 2024
Neurosurgery Department, Sainte-Anne Military Teaching Hospital, 2 Boulevard Sainte-Anne, Cedex 9, 83800, Toulon, France.
Assessing the Impact of Undiagnosed C1‒C2 Rotatory Subluxation in the Conservative Treatment of Odontoid Fractures.
World Neurosurg
November 2024
Department of Spinal Surgery, Lausanne University Hospital (CHUV), Lausanne, Switzerland; Faculty of Biology and Medicine (FBM), University of Lausanne (UNIL), Lausanne, Switzerland. Electronic address:
Article Synopsis
- The study investigates the relationship between odontoid fractures of the second cervical vertebra (C2) and concurrent rotatory subluxation of the first and second cervical vertebrae (C1–C2), emphasizing the need for surgical intervention in severe cases.
- It was found that among 115 patients treated conservatively, 25% experienced treatment failure and needed surgery, with a strong association between treatment failure and the presence of subluxation (odds ratio of 10).
- The conclusions suggest that patients with C2 fractures and C1–C2 rotatory subluxation have a significantly higher risk for complications, indicating a need for improved management strategies and further research in this area.
Odontoid Fracture with Locked Posterolateral Atlantoaxial Dislocation: A Case Report and Review of Literature.
JBJS Case Connect
July 2024
Department of Orthopaedics and Spine Surgery, Ganga Medical Centre and Hospitals Pvt. Ltd., Coimbatore, India.
Case: Odontoid fractures with atlantoaxial dislocations are rare injuries. We report a case of a 41-year-old man with a Type 2 odontoid fracture with locket facet and posterolateral dislocation. He underwent single-stage C1-C4 posterior fixation and fusion, and at 2-year follow-up, he is symptom-free without any residual pain.
View Article and Find Full Text PDFSurgical Management of Type II Odontoid Fractures in a Resource-Limited Setting: A Case Series.
Cureus
August 2024
Neurosurgery, University of Kinshasa, Kinshasa, COD.
Article Synopsis
- Type II odontoid fractures are common injuries to the odontoid process, particularly challenging to treat in underresourced areas like the Democratic Republic of the Congo.
- A study at Kinshasa University Teaching Hospital documented the surgical experiences of three patients, who underwent different procedures for these fractures, showing satisfactory outcomes.
- The findings suggest that using non-cannulated screws and alternative fixation methods could be effective, but further research through randomized multicenter studies is needed to validate these techniques.
Open reduction and C1C3 posterior Harms-Goel fixation for unstable Hangman's fracture: technical note.
Neurosurg Rev
September 2024
Neurosurgery Department, Sainte-Anne Military Teaching Hospital, 2 boulevard Sainte-Anne, Toulon Cedex 9, 83800, France.
Article Synopsis
- * This injury arises from specific forces causing hyperextension and flexion that can lead to dislocation of the C1C2 complex, particularly when the C2C3 disc and ligaments are damaged.
- * While many Hangman's fractures can be treated with a cervical brace, severely displaced cases require surgical intervention; the "Harms-Goel" procedure offers a reliable method for realigning and stabilizing these fractures using C1 screws.
Isolated C1 arch fractures: C1-2 fusion vs. C1 osteosynthesis - surgical strategies for potentially unstable injuries.
Eur Spine J
October 2024
National Spinal Injuries Unit, Mater Misericordiae University Hospital, Eccles St, Dublin, D07 R2WY, Ireland.
Study Design: Narrative Review.
Objectives: The premise of this review is to provide a review of the literature pertaining to studies describing outcomes of surgical cohorts when implementing C1 osteosynthesis for arch fractures with or without transverse atlantal ligamentous (TAL) injury.
Methods: A comprehensive search strategy was implemented across several search engines to identify studies which evaluate the outcomes of C1 osteosynthesis for patients with C1 arch fractures with and without TAL injury.
The New Alternative Technique Outcomes: Atlas Lateral Mass Screw and C2-3 Transfacet Screw Fixation for Complex Atlantoaxial Instability in Patients with Thin C2 Pedicle or High-Riding Vertebral Artery.
World Neurosurg
November 2024
Department of Neurosurgery, Memorial Bahcelievler Hospital, Spine Center, Istanbul, Turkey.
Article Synopsis
- - The study evaluated a new surgical method, atlas lateral mass and C2-3 transfacet screw fixation, as a safer and effective alternative to traditional posterior atlantoaxial fixation for patients with atlantoaxial instability.
- - Eight patients with issues like odontoid fractures underwent the new fixation technique; results showed no surgical complications and successful fusion in all cases by the 12-month follow-up.
- - Significant improvements were noted in neck pain and disability scores post-surgery, indicating that this method effectively stabilizes the area and enhances recovery compared to previous techniques.
The effect of favipiravir on fracture healing.
Acta Orthop Traumatol Turc
June 2024
Department of Orthopedics and Traumatology, Trakya University Faculty of Medicine, Edirne, Türkiye.
The aim of this study was to evaluate the effects of favipiravir on fracture healing. Forty-eight female rats which had a femur fracture with intramedullary Kirschner wire fixation performed were divided into 6 groups; 2 control groups (C1, C2) and 4 experimental groups (F1, F2, F3, F4). The control groups (C1, C2) received physiological saline by oral gavage for 14 days.
View Article and Find Full Text PDFUnilateral Traumatic Testicular Dislocation in a Patient of Pelvic Diastasis and Spine Fracture in an Adult: A Case Report and Review of Literature.
J Orthop Case Rep
August 2024
Department of Orthopedics, Jai Prakash Narayan Apex Trauma Center, AIIMS, New Delhi, India.
Article Synopsis
- - The text discusses the importance of timely management of spine and pelvis fractures following road traffic accidents, highlighting the rarity and potential severity of testicular dislocation as a complication.
- - A case study is presented involving a 25-year-old male who suffered significant injuries from a motorcycle accident, including an APC fracture of the pelvic ring and a compression fracture of the spine, with no initial genitourinary injury detected.
- - The report emphasizes the need for thorough genital examinations in complex pelvic injuries and advocates for a multidisciplinary approach among various medical specialties to improve patient outcomes.
The establishment of a novel upper cervical complex fracture classification system.
Spine J
January 2025
Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong, P. R. China; Cheeloo College of Medicine, Shandong University, Jinan, Shandong, P.R. China. Electronic address:
Background Context: Upper cervical complex fractures are associated with high rates of neurological damage and mortality. The Dickman's classification is widely used in the diagnosis of upper cervical complex fractures. However, it falls short of covering the full spectrum of complex fractures.
View Article and Find Full Text PDFSurgical management strategies for unstable sacral fractures: Case series and surgical guideline.
Int J Surg Case Rep
September 2024
Department of Orthopedics, Faculty of Medicine, Prince of Songkla University, Songkhla 90110, Thailand. Electronic address:
Introduction: Unstable sacral fractures usually have posterior pelvic and spinopelvic instability, which usually be classified as AO type C. There are many controversial points concerning the management of these fractures due to their rarity. Herein, we retrospectively review cases of this injury and propose a surgical guideline.
View Article and Find Full Text PDFTwo-screw osteosynthesis is biomechanically superior to single-screw osteosynthesis for type II odontoid fractures.
Sci Rep
August 2024
Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University of Göttingen, Robert-Koch-Str. 40, 37075, Göttingen, Germany.
The data on the use of a one- or two-screw technique (1S, 2S) for ventral osteosynthesis of type II dens fractures are contradictory. The aim was to design an apparatus to mimic the physiological conditions and test stability with 1S, 2S, and a headless compression screw (HCS) for osteosynthesis of artificially created type II odontoid fractures. The apparatus was mounted on a Zwick materials testing machine.
View Article and Find Full Text PDFMicro/Nanomechanical Characterization of ScAlMgO Single Crystal by Instrumented Indentation and Scratch Methods.
Materials (Basel)
August 2024
Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China.
Article Synopsis
- ScAlMgO (SCAM) is a material used as a substrate for GaN in power devices, but its brittle nature makes obtaining a high-quality surface through polishing difficult.
- Mechanical properties of SCAM single crystals were assessed through nanoindentation and microscratch tests, revealing an elastic modulus of 226 GPa and indentation hardness of 12.1 GPa.
- The study identified significant damage patterns during scratching and proposed a method to calculate the fracture toughness of SCAM, which was determined to be 1.12 MPa·m, highlighting the challenges of working with cleaved materials.