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ORTHOPEDICS AND TRAUMATOLOGY (150 journals)                     

Showing 1 - 152 of 152 Journals sorted alphabetically
Acta Orthopaedica     Open Access   (Followers: 32)
Advances in Orthopedics     Open Access   (Followers: 9)
American Journal of Orthodontics and Dentofacial Orthopedics     Hybrid Journal   (Followers: 9)
American Journal of Orthopedics     Partially Free   (Followers: 3)
Archives of Orthopaedic and Trauma Surgery     Hybrid Journal   (Followers: 9)
Archives of Osteoporosis     Hybrid Journal   (Followers: 1)
Arthritis und Rheuma     Hybrid Journal  
Arthroplasty Today     Open Access   (Followers: 1)
Australasian Musculoskeletal Medicine     Full-text available via subscription   (Followers: 5)
BMC Musculoskeletal Disorders     Open Access   (Followers: 29)
Bone & Joint 360     Full-text available via subscription   (Followers: 19)
Bone Research     Hybrid Journal   (Followers: 2)
Burns & Trauma     Open Access   (Followers: 11)
Cartilage     Hybrid Journal   (Followers: 5)
Case Reports in Orthopedic Research     Open Access  
Case Reports in Orthopedics     Open Access   (Followers: 6)
Chinese Journal of Traumatology     Open Access  
Cleft Palate-Craniofacial Journal     Hybrid Journal   (Followers: 8)
Clinical Medicine Insights : Arthritis and Musculoskeletal Disorders     Open Access   (Followers: 3)
Clinical Orthopaedics and Related Research     Hybrid Journal   (Followers: 78)
Clinical Trials in Orthopedic Disorders     Open Access   (Followers: 1)
Concussion     Open Access  
Craniomaxillofacial Trauma and Reconstruction     Hybrid Journal   (Followers: 1)
Current Orthopaedic Practice     Hybrid Journal   (Followers: 14)
Current Reviews in Musculoskeletal Medicine     Open Access   (Followers: 13)
Der Orthopäde     Hybrid Journal   (Followers: 6)
Die Wirbelsäule     Hybrid Journal  
Duke Orthopedic Journal     Open Access   (Followers: 4)
East African Orthopaedic Journal     Full-text available via subscription  
EFORT Open Reviews     Open Access   (Followers: 1)
Egyptian Orthopaedic Journal     Open Access   (Followers: 1)
EMC - Técnicas Quirúrgicas - Ortopedia y Traumatología     Full-text available via subscription  
EMC - Tecniche Chirurgiche - Chirurgia Ortopedica     Full-text available via subscription  
Ergonomics     Hybrid Journal   (Followers: 23)
European Journal of Orthopaedic Surgery & Traumatology     Hybrid Journal   (Followers: 9)
European Journal of Podiatry / Revista Europea de Podología     Open Access   (Followers: 1)
European Spine Journal     Hybrid Journal   (Followers: 24)
Foot & Ankle International     Hybrid Journal   (Followers: 10)
Foot & Ankle Orthopaedics     Open Access   (Followers: 3)
Gait & Posture     Hybrid Journal   (Followers: 17)
Geriatric Orthopaedic Surgery Rehabilitation     Open Access   (Followers: 5)
Global Spine Journal     Open Access   (Followers: 12)
Hip International     Hybrid Journal  
Indian Journal of Orthopaedics     Open Access   (Followers: 8)
Informationen aus Orthodontie & Kieferorthopädie     Hybrid Journal  
Injury     Hybrid Journal   (Followers: 20)
International Journal of Orthopaedic and Trauma Nursing     Hybrid Journal   (Followers: 11)
International Journal of Orthopaedic Surgery     Open Access   (Followers: 5)
International Journal of Orthopaedics     Open Access   (Followers: 2)
International Journal of Research in Orthopaedics     Open Access  
International Musculoskeletal Medicine     Hybrid Journal   (Followers: 7)
International Orthopaedics     Hybrid Journal   (Followers: 18)
JAAOS : Global Research & Reviews     Open Access   (Followers: 1)
JBJS Journal of Orthopaedics for Physician Assistants     Hybrid Journal  
JBJS Reviews     Full-text available via subscription   (Followers: 11)
JOR Spine     Open Access   (Followers: 3)
Journal de Traumatologie du Sport     Full-text available via subscription   (Followers: 2)
Journal für Mineralstoffwechsel & Muskuloskelettale Erkrankungen     Hybrid Journal  
Journal of Bone and Joint Diseases     Open Access   (Followers: 3)
Journal of Bone and Joint Infection     Open Access   (Followers: 1)
Journal of Brachial Plexus and Peripheral Nerve Injury     Open Access   (Followers: 4)
Journal of Cachexia, Sarcopenia and Muscle     Open Access   (Followers: 2)
Journal of Children's Orthopaedics     Open Access   (Followers: 10)
Journal of Clinical Orthopaedics and Trauma     Hybrid Journal   (Followers: 5)
Journal of Experimental Orthopaedics     Open Access   (Followers: 8)
Journal of Hand Surgery (European Volume)     Hybrid Journal   (Followers: 44)
Journal of Head Trauma Rehabilitation     Hybrid Journal   (Followers: 18)
Journal of Musculoskeletal Research     Hybrid Journal   (Followers: 9)
Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie     Hybrid Journal  
Journal of Orthodontic Science     Open Access   (Followers: 2)
Journal of Orthopaedic & Sports Physical Therapy     Full-text available via subscription   (Followers: 72)
Journal of Orthopaedic Association of South Indian States     Open Access   (Followers: 5)
Journal of Orthopaedic Diseases and Traumatology     Open Access   (Followers: 3)
Journal of Orthopaedic Reports     Full-text available via subscription   (Followers: 12)
Journal of Orthopaedic Research     Hybrid Journal   (Followers: 29)
Journal of Orthopaedic Science     Hybrid Journal   (Followers: 4)
Journal of Orthopaedic Surgery     Open Access   (Followers: 1)
Journal of Orthopaedic Surgery and Research     Open Access   (Followers: 8)
Journal of Orthopaedic Translation     Open Access  
Journal of Orthopaedic Trauma     Hybrid Journal   (Followers: 15)
Journal of Orthopaedics     Full-text available via subscription   (Followers: 3)
Journal of Orthopaedics and Allied Sciences     Open Access   (Followers: 9)
Journal of Orthopaedics and Spine     Open Access   (Followers: 3)
Journal of Orthopaedics and Traumatology     Open Access   (Followers: 16)
Journal of Orthopaedics, Trauma and Rehabilitation     Open Access   (Followers: 6)
Journal of Orthopedics & Rheumatology     Open Access  
Journal of Orthopedics, Traumatology and Rehabilitation     Open Access   (Followers: 6)
Journal of Pediatric Orthopaedics     Hybrid Journal   (Followers: 15)
Journal of Prosthetics and Orthotics     Hybrid Journal   (Followers: 15)
Journal of Scleroderma and Related Disorders     Hybrid Journal  
Journal of the American Academy of Orthopaedic Surgeons     Hybrid Journal   (Followers: 12)
Journal of the American Podiatric Medical Association     Full-text available via subscription   (Followers: 8)
Journal of Traumatic Stress     Hybrid Journal   (Followers: 26)
Knee Surgery, Sports Traumatology, Arthroscopy     Hybrid Journal   (Followers: 27)
Multiple Sclerosis and Related Disorders     Hybrid Journal   (Followers: 9)
Musculoskeletal Care     Hybrid Journal   (Followers: 19)
Musculoskeletal Science and Practice     Hybrid Journal   (Followers: 3)
Nigerian Journal of Orthopaedics and Trauma     Open Access  
North American Spine Society Journal (NASSJ)     Open Access   (Followers: 3)
OA Orthopaedics     Open Access   (Followers: 7)
Obere Extremität     Hybrid Journal   (Followers: 1)
Open Journal of Orthopedics     Open Access   (Followers: 3)
Open Journal of Orthopedics and Rheumatology     Open Access  
Open Journal of Trauma     Open Access  
Open Orthopaedics Journal     Open Access  
Operative Orthopädie und Traumatologie     Hybrid Journal  
Operative Techniques in Orthopaedics     Full-text available via subscription   (Followers: 6)
Orthopädie & Rheuma     Full-text available via subscription  
Orthopädie und Unfallchirurgie up2date     Hybrid Journal  
Orthopaedic Journal of Sports Medicine     Open Access   (Followers: 14)
Orthopaedic Nursing     Hybrid Journal   (Followers: 11)
Orthopaedic Proceedings     Partially Free  
Orthopaedic Surgery     Open Access   (Followers: 1)
Orthopaedics & Traumatology: Surgery & Research     Full-text available via subscription   (Followers: 6)
Orthopaedics and Trauma     Full-text available via subscription   (Followers: 28)
Orthopedic Clinics of North America     Full-text available via subscription   (Followers: 5)
Orthopedic Research and Reviews     Open Access   (Followers: 6)
Orthopedic Reviews     Open Access   (Followers: 7)
Orthopedics     Full-text available via subscription   (Followers: 6)
Orthoplastic Surgery     Open Access  
Osteoarthritis and Cartilage     Full-text available via subscription   (Followers: 20)
Osteoarthritis and Cartilage Open     Open Access  
Osteologie     Hybrid Journal  
Osteoporosis and Sarcopenia     Open Access  
OTA International     Open Access  
Paediatric Orthopaedics and Related Sciences     Open Access   (Followers: 3)
Pain Management in General Practice     Full-text available via subscription   (Followers: 12)
Prosthetics and Orthotics International     Hybrid Journal   (Followers: 9)
Revista Brasileira de Ortopedia     Hybrid Journal  
Revista Chilena de Ortopedia y Traumatología / Chilean Journal of Orthopaedics and Traumatology     Open Access  
Revista Colombiana de Ortopedia y Traumatología     Full-text available via subscription  
Revista Cubana de Ortopedia y Traumatologí­a     Open Access  
Revista de la Asociación Argentina de Ortopedia y Traumatología     Open Access  
Revista Española de Cirugía Ortopédica y Traumatología     Full-text available via subscription   (Followers: 1)
Revista Portuguesa de Ortopedia e Traumatologia     Open Access  
Revue de Chirurgie Orthopédique et Traumatologique     Full-text available via subscription   (Followers: 3)
Romanian Journal of Orthopaedic Surgery and Traumatology     Open Access  
SA Orthopaedic Journal     Open Access   (Followers: 2)
SICOT-J     Open Access   (Followers: 1)
Spine     Hybrid Journal   (Followers: 73)
Spine Journal     Hybrid Journal   (Followers: 26)
Sport-Orthopädie - Sport-Traumatologie - Sports Orthopaedics and Traumatology     Full-text available via subscription   (Followers: 3)
Strategies in Trauma and Limb Reconstruction     Open Access   (Followers: 1)
Techniques in Orthopaedics     Hybrid Journal   (Followers: 6)
Therapeutic Advances in Musculoskeletal Disease     Hybrid Journal   (Followers: 5)
Trauma     Hybrid Journal   (Followers: 5)
Trauma (Travma)     Open Access  
Trauma und Berufskrankheit     Hybrid Journal  
Traumatology     Full-text available via subscription   (Followers: 1)
Traumatology and Orthopedics of Russia     Open Access  
Zeitschrift für Orthopädie und Unfallchirurgie     Hybrid Journal   (Followers: 2)
Ортопедия, травматология и протезирование     Open Access  

           

Similar Journals
Journal Cover
International Orthopaedics
Journal Prestige (SJR): 1.502
Citation Impact (citeScore): 2
Number of Followers: 18  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1432-5195 - ISSN (Online) 0341-2695
Published by Springer-Verlag Homepage  [2469 journals]
  • Correction to: Immediate full weight bearing after pelvic percutaneous
           fixation by screw for simple acetabular and pelvic ring fractures in
           patients older than sixty five years

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      PubDate: 2022-10-01
       
  • Correction to: Bibliometric analysis and visualization of research trends
           on oblique lumbar interbody fusion surgery

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      PubDate: 2022-10-01
       
  • Risk factors analysis and nomogram construction for blood transfusion in
           elderly patients with femoral neck fractures undergoing hemiarthroplasty

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      PubDate: 2022-10-01
       
  • The technique of “autologous bone grafting through channels” combined
           with double-plate fixation is effective treatment of femoral nonunion

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      Abstract: Purpose The aims of this retrospective study were to evaluate the effective treatment of femoral nonunion using the technique of “autologous bone grafting through channels” combined with double-plate fixation. Methods In this study, 186 patients with nonunion fracture of femur who underwent surgery using the technique of “autologous bone grafting through channels” combined with double-plate fixation in Hong Hui Hospital from May 2010 to July 2020 were enrolled. Totally, 122 males and 64 females with mean age of 44 years were evaluated. These patients were evaluated for the full clinical and radiological union time, duration of follow-up, levels of post-operative limb shortening, and range of motion of adjacent joints, and incidence of serious complications. Results The mean follow-up time was 22 ± 6.2 months (range 12–44 months). Mean union time from surgery using our technique to full clinical and radiological union was 7.6 ± 1.2 months (range 4–9 months). All patients have achieved the union after one operation or two operations using the technique. The one-operation union rate is 98.4%. Post-operative severe complications were seen in seven patients which included deep vein thrombosis; the surgical site infection and the fracture nonunion. The range of motion in the adjacent joint of 17.7% (33/186) in all patients have an effect to the limb function. Six patients have the limb shortening more than 10 mm after surgery. Conclusion The technique of “autologous bone grafting through channels” combined with double-plate fixation is showed to be safe, effective, and easy to master and operate surgical option for treating the femoral nonunion.
      PubDate: 2022-10-01
       
  • Does spinopelvic motion change after total hip arthroplasty'

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      Abstract: Purpose Spinopelvic motion plays an important role in functional acetabular cup position after total hip arthroplasty (THA). Sacral slope (SS) has been a useful surrogate for spinopelvic motion. The present study aimed to investigate statistical characteristics of spinopelvic motion before and after THA using changes in SS in supine, standing, and sitting positions. Methods A total of 76 patients (88 hips) were assessed. To classify spinopelvic mobility, defined as a change in SS from standing to sitting position (ΔSSstand/sit), 10° ≤ ΔSSstand/sit ≤ 30°, ΔSSstand/sit < 10°, and ΔSSstand/sit > 30° were considered normal, stiff, and hypermobile, respectively. Results Over ± 7° changes in SS between before and one year after THA were observed in 39 (44.3%) hips in the sitting position, 19 (21.6%) hips in the supine position, seven (7.9%) in the standing position. Percentages of hips with stiff spinopelvic mobility (11.4% vs. 22.7%) and hypermobile spinopelvic mobility (23.9% vs. 12.5%) between before THA and one year after THA were significantly different (p = 0.034 and p = 0.016, McNemar’s test). At one year after THA, 40.0% (4/10) of hips with stiff spinopelvic mobility and 57.1% (12/21) of hips with hypermobile spinopelvic mobility shifted to normal spinopelvic mobility. Conclusions Change in SS between before THA and one year after THA had a high inter-subject variability especially in the sitting position. In addition, there was a distinct shift to normal spinopelvic mobility postoperatively in hips with stiff and hypermobile spinopelvic mobility pre-operatively.
      PubDate: 2022-10-01
       
  • Standalone cage versus anchored cage for anterior cervical discectomy and
           fusion: a comparative analysis of clinical and radiological outcomes

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      Abstract: Purpose The use of standalone cages (SAC) and anchored cages (AC) in anterior cervical discectomy and fusion surgery (ACDF) has shown advantage of reduced operative time and lower incidence of dysphagia. However, there is limited literature available comparing the clinical and radiological outcomes of SAC and AC. Methods We conducted a prospective study for patients undergoing ACDF for cervical radiculopathy or myelopathy. Patient were classified based on the cage used into SAC group and the AC group. Clinical outcomes were assessed using the modified Japanese Orthopedic Association (mJOA) for myelopathy and Neck Disability Index (NDI) and Visual Analogue Scale (VAS) for radiculopathy. Dysphagia was graded as per Bazaz score. Radiologically, global cervical lordosis, segmental lordosis, cage subsidence, and migration were assessed. Results We analyzed 31 patients in each group with a minimum two year follow-up. The mean VAS improved from 7.9 to 4.56, mean NDI score improved from 27.6 to 19.8, and mean mJOA improved from 10.8 to 11.7 which were statistically significant (p < 0.05); however, no significant difference was noted between the SAC and AC groups. Mean global lordosis improved from 14.4 to 20.3° and mean segmental lordosis improved from 6 to 10.1° at six months and plateaued to 6.9° at final follow up without any significant difference between the groups. The subsidence was statistically more in 12.9% (4/31) in SAC than 6.4% (2/31) in AC. Conclusion AC showed of lower rates of subsidence while both SAC and AC had comparable clinical outcomes and radiological alignment outcomes.
      PubDate: 2022-10-01
       
  • The rate of venous thromboembolism after knee bone marrow concentrate
           procedures: should we anticoagulate'

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      Abstract: Purpose Intra-articular injections of autologous, minimally manipulated, cell therapies such as bone marrow concentrate (BMC) to treat knee osteoarthritis (OA) may delay or prevent future total knee arthroplasty (TKA). Arthroplasty has the known and substantial risk of venous thromboembolism (VTE) and requires routine prophylaxis, whereas the VTE risk associated with knee BMC injections is unknown. We report on the rate of VTE from a large orthobiologics patient registry and assess whether knee BMC procedures require routine prophylaxis. Methods A retrospective analysis of knee osteoarthritis cases tracked in a treatment registry and treated at 72 clinical sites with BMC from 2007 to 2020 who were not prophylactically anticoagulated was performed to identify adverse events (AEs) associated with VTE. Treating physicians were contacted to improve discovery of possible occurrences of VTE. Results Twenty cases (0.16%) of VTE were identified from the registry of 12,780 knee BMC treatments. These events were less frequent than the published data demonstrate for anticoagulated TKA patients. Conclusion Based on the rates of VTE from our retrospective treatment registry analysis compared to the risk of medication-induced haemorrhage, routine prophylactic anticoagulation is not recommended for intra-articular knee BMC procedures. Further research into safety and efficacy of BMC treatment for knee OA is warranted. Clinical trial identifier NCT03011398, retrospectively registered.
      PubDate: 2022-10-01
       
  • Clavicular hook plate for acute high-grade acromioclavicular dislocation
           involving Rockwood type V: clinical and radiological outcomes and
           complications evaluation

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      Abstract: Background The surgical treatment of high-grade acromioclavicular joint dislocation remains a matter of debate. Clavicular hook plate internal fixation was widely used in the treatment of acromioclavicular dislocation because of its easy-to-master surgical technique. This study aimed to evaluate outcomes using hook plate fixation for acromioclavicular dislocation. Methods A consecutive series of 57 patients with acute acromioclavicular joint dislocation involving Rockwood type V were treated between November 2013 and September 2019 using hook plate fixation. The functional outcomes (using the visual analogue score, Constant-Murley score, and University of California Los Angeles score), the quality of surgical reduction (using the coracoclavicular distance), and post-operative complications were assessed with about 46 months of follow-up. Results The mean Constant-Murley score increased from 72.6 before surgery to 87.6 at final follow-up. The mean University of California Los Angeles score was 14.1 pre-operatively and 31.6 at final follow-up. Meanwhile, the visual analogue scores were significantly reduced from 3.4 pre-operatively to 1.3 post-operatively. The coracoclavicular distance decreased from 19.4 mm pre-operatively to 10.9 mm at the last follow-up. Post-operative functional and radiological outcomes were significantly improved compared with pre-operative outcomes (P < 0.01). The overall excellent and good result was 35.1% (20/57) and 54.1% (31/57), respectively. At follow-up, the overall complication rate was 15.8% (9/57) including subacromial impingement (three patients), acromial osteolysis (three patients), reduction loss (one patient), acromioclavicular joint osteoarthritis (one patient), and calcification (one patient). Conclusion Hook plate fixation was a viable treatment approach, and achieved good clinical outcomes in the treatment of acute acromioclavicular dislocation involving V. But some complications of hook plate fixation should not be ignored.
      PubDate: 2022-10-01
       
  • Terrible triad injury of the elbow: a historical perspective

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      Abstract: Purpose The aims of this study are to summarize (1) the history of terrible triad injury (TTi) treatment and (2) the clinical and biomechanical data that engendered its evolution. Methods A literature search was performed using five electronic databases. Results were discussed as a chronologic review of the relevant literature between 1920 and 2022. Results In 1962, Osborne was the first to describe a link between elbow dislocation, radial head fracture, and lateral collateral ligament complex injury via a novel mechanism: posterolateral rotatory instability (PLRI). Given that untreated elbow instability leads to post-traumatic osteoarthritis (PTOA), there has been increasing interest in elbow biomechanics since the 1980s. Data from studies in that period revolutionized the approach to elbow instability. The authors demonstrated that TTi could occur via a PLRI mechanism with a disruption of the lateral collateral ulnar ligament and a functionally competent anterior medial collateral ligament (aMCL). Since the 1990s, due to the difficulty in identifying its pathoanatomic features, some began to speculate about a sequence of injuries and mechanisms leading to TTi. However, the clinical literature has largely been unable to reproduce in vitro findings describing the pathomechanics of TTi. Some aspects of treatment remain controversial including systematic coronoid and aMCL repair. Conclusion Despite a growing body of biomechanics data, there is no widely accepted surgical protocol for the treatment of TTi. Functional outcomes among patients have greatly improved. Better diagnosis and treatment of infra-clinical instability after a TTi may be an important stepping stone to prevent the onset of moderate/severe PTOA.
      PubDate: 2022-10-01
       
  • Total hip arthroplasty for treatment of femoral neck fracture due to
           hypophosphatemic osteomalacia: a retrospective case series with mean
           follow-up of five years

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      Abstract: Background To retrospectively characterize the clinical characteristics and efficacy of total hip arthroplasty and the important factors needing attention in hypophosphatemic osteomalacia (HO) patients with hip involvement. Patients and methods We performed a review of seven patients (two women and five men) referred to our clinic with a final diagnosis of HO who received total hip arthroplasty between 2010 and 2018. Five patients (Group 1) received proper medical management with or without aetiologic therapy, while the other two patients (Group 2) did not receive due to misdiagnosis. The mean follow-up duration was 5.1 ± 2.0 years. Results The patients in Group 1 had significant relief of pain and improved laboratory results. The mean Harris Hip Score of Group 1 increased from 44.2 ± 6.0 to 94.0 ± 3.0, and the mean VAS score decreased from 8.8 ± 0.4 to 1.8 ± 0.7. However, the progressive extensive pain score in Group 2 had no obvious improvement, with the Harris Hip Score increasing from 45.5 ± 0.5 to 60 ± 28.0 and the VAS score decreasing from 9.0 ± 1.0 to 6.5 ± 2.5. Conclusion THA appears to be an effective method for hip arthritis or joint deformities resulting from hypophosphatemic osteomalacia. A satisfactory outcome of the surgery depends on the early etiological identification, the treatment of hypophosphatemia, a careful operation, and the operative strategies, as well as proper medical treatment.
      PubDate: 2022-10-01
       
  • Early outcomes of using custom-made augments in revision total hip
           arthroplasty

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      Abstract: Introduction The continuing high demand for revision total hip arthroplasty (RTHA) requires not only additional economic costs, but also the search for new, effective methods to manage the reconstruction of acetabular bone loss. This study focuses on the assessment of the clinical and radiographic outcomes after RTHA using custom-made augments (CMA) in the short-term follow-up period. Materials and Methods We retrospectively analyzed the results of using CMAs in 19 patients (20 hips). The average follow-up period was 41.3 months. All surgery was performed on defect types III and IV as per the Gross and Saleh classification. Results There was a statistically significant difference when comparing the Oxford Hip Score before RTHA of 15.0 (Std. deviation—5.9) and after RTHA of 36.3 (Std. deviation—6.3) (p = 0.01). All implants were radiologically stable. CMA has demonstrated a good ability to restore position of hip centre of rotation (HCOR). In the postoperative period, two patients (2 hips) had dislocations. Only one of two patients underwent re-revision due to dislocation. Conclusion Treatment of uncontained loss of bone stock in RTHA using CMA shows promising clinical and radiographic results at short-term follow-up period; however, dislocation rate is 10% in this study.
      PubDate: 2022-10-01
       
  • Percutaneous autologous bone marrow concentrate for knee osteoarthritis:
           patient-reported outcomes and progenitor cell content

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      Abstract: Purpose Knee osteoarthritis (OA) is a common, progressively debilitating joint disease, and the intra-articular injection of autologous bone marrow concentrate (BMC) may offer a minimally invasive method of harnessing the body’s own connective tissue progenitor cells to counteract accompanying degenerative effects of the disease. However, the extent to which the progenitor cell content of BMC influences treatment outcomes is unclear. We sought to determine whether patient-reported outcome measures associated with BMC treatment for knee OA are related to the concentration of progenitor cells provided. Methods In the present study, 65 patients (72 knees) underwent treatment for knee OA with autologous BMC and self-reported their outcomes for up to one year using follow-up questionnaires tracking function, pain, and percent improvement. A small fraction of each patient’s BMC sample was reserved for quantification with a haematological analyzer and cryopreserved for subsequent analysis of potential connective tissue progenitor cells using a colony-forming unit fibroblast (CFU-F) assay. Results Patients reported significant increases in function and overall percent improvement in addition to decreases in pain relative to baseline levels following treatment with autologous BMC that persisted through 12 months. Patients reporting improved outcomes (46 of 72 knees) received BMC injections having higher CFU-F concentrations than non-responding patients (21.1×103 ± 12.4×103 vs 14.3×103 ± 7.0 x103 CFU-F per mL). A progenitor cell concentration of 18×103 CFU-F per mL of BMC was found to best differentiate responders from non-responders. Conclusion This study provides supportive evidence for using autologous BMC in the minimally invasive treatment of knee OA and suggests that increased progenitor cell content leads to improved treatment outcomes. Trial registration ClinicalTrials.gov Identifier: NCT03011398, 1/7/17
      PubDate: 2022-10-01
       
  • Knee kinematics are variously influenced by different correction angles in
           high tibial osteotomy (HTO)

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      Abstract: Purpose Literature reveals good to excellent data concerning patient satisfaction, as well as long-term outcomes after high tibial osteotomy (HTO). These results might be influenced by changes of knee kinematics through the procedure. However, exact influence of HTO on tibiofemoral kinematics remains unknown so far. Methods We conducted this study on 10 knees of Thiel embalmed whole cadavers. Knee kinematics were assessed by a navigation device before HTO, after medial open-wedge HTO of 5°, respectively after medial open-wedge HTO of 10°. Results Results revealed a significant femoral rollback/tibial internal rotation at increasing knee flexion from 80° after medial open-wedge HTO of 5° and 10°. Lesser femoral rollback/tibial internal rotation was seen after 5° HTO compared to 10° HTO until knee flexion of 70°. Conclusion Results reveal a significant change of tibiofemoral kinematics only after knee flexion of 80° and more, independently from the degree of tibial osteotomy. Adjacent structures, especially the ACL, seem thus more strained by sagittal slope changes rather than changes in coronal leg axis. HTO leads to changes in knee kinematics at flexion degrees of 80 and more. To what extent this influences adjacent structures like the ACL or meniscus should be further investigated.
      PubDate: 2022-10-01
       
  • Classification and morphology of hyperextension tibial plateau fracture

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      Abstract: Purpose This study was aimed at analyzing the incidence and characteristics of hyperextension tibial plateau fractures (HTPFs) by using a computed tomography (CT)–based “four-column and nine-segment” classification. Methods In the coronal plane, HTPFs are divided into four types: pure hyperextension, hyperextension–varus, hyperextension–valgus, and hyperextension–bicondylar. Fractures in the sagittal plane were divided into three types: type 1, pure depression; type 2, cleavage extending to the posterior cortex with no displacement; and type 3, cleavage extending to the posterior cortex with a significant displacement. A retrospective analysis of CT images of the tibial plateau fractures from December 2007 to December 2021 was conducted. Fracture mapping was analyzed and drawn using the new classification system. Results A total of 136 (10.9%, 136/1253) fractures fulfilled the radiographic criteria for HTPF pattern in 136 knees (53.5 ± 13.3 years). There were 11 knees with pure hyperextension fracture (8.1%), 23 with hyperextension–varus fracture (16.9%), 46 with hyperextension–valgus fracture (33.8%), and 56 with hyperextension–bicondylar fracture (41.2%) in the coronal plane. Furthermore, there were 64 (47.1%), 47 (34.6%), and 25 (18.4%) cases of type 1, type 2, and type 3 fractures, respectively, in the sagittal plane. In the three-dimensional heat map, the fracture lines were mainly located at the anterior rim of the tibial plateau, while the posterior articular surface was rarely involved. Conclusions The main manifestations of HTPF are anterior compression and posterior avulsion injury. The CT-based four-column and nine-segment classification system could be used to categorize the injury characteristics of HTPF in the coronal and sagittal planes.
      PubDate: 2022-10-01
       
  • How to confront the high prevalence of pulmonary micro nodules (PMNs) in
           osteosarcoma patients'

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      Abstract: Purpose Pulmonary metastasis was a negative factor of osteosarcoma prognosis. However, there is no universal criteria to confirm pulmonary metastasis at pulmonary micro nodule (PMN, Dmax ≤ 5 mm) stage other than pathology. We aimed to identify prevalence of PMNs, determine prognosis of osteosarcoma with PMNs, and analyze risk factors related to PMN progression. Methods We retrospectively reviewed 425 consecutive osteosarcoma patients. According to dynamic change in size and number of PMNs, patients were divided into PMN progression and non-progression group. Demographic data, initial laboratory data, radiological features, and oncological evaluations were analyzed. Cox regression was used to identify risk factors for PMN progression. Overall survival rate was measured and analyzed with Kaplan–Meier method. Differences with p < 0.05 were considered significant. Results PMNs were found in 74% (315/425) osteosarcoma patients, half of whom (157/315) suffering PMN progression. Overall survival rate was 70.2%, while survival rates for PMN progression group and non-progression group were 53.40% and 87.40%, respectively. Clinical risk factors for PMN progression in certain patients included blood vessel invasion, extrapulmonary metastases, low tumour cell necrosis rate, and large tumour size. Radiologic risk factors included greatest diameter, distance to pleura, CT value, solid components, and smooth border. Conclusion PMN is quite common in osteosarcoma patients. PMN progression is related to both certain clinical and radiological factors, which could assist surgeons to determine its possibility to progress at an early stage.
      PubDate: 2022-10-01
       
  • Risk factors for redislocation of chronic Monteggia fracture-dislocation
           in children after reconstruction surgery

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      Abstract: Introduction Monteggia fracture-dislocation refers to traumatic ulnar fractures and dislocation of the radial head, which is one of the most frequently missed injuries, especially in children. The most widespread attitude towards chronic Monteggia lesion is the open reduction of the radial head associated with ulnar osteotomy with or without annular ligament reconstruction. Our study aimed to analyze the risk factors for redislocation after surgical management of chronic Monteggia lesion and the benefits of annular ligament reconstruction and radiocapitellar pinning in paediatric. Materials and methods We retrospectively reviewed patients treated with reconstruction surgery for chronic Monteggia fracture-dislocation in our department between 2005 and 2017, with a minimum two years’ follow-up. The reconstruction surgery included ulnar osteotomy performed in all patients, annular ligament repair or reconstruction or fixation of radiocapitellar joint, or radial osteotomy in some patients. We collected the related clinical data and evaluated the risk factors of redislocation using logistic regression analyses and a two-piecewise linear regression model with a smoothing function, after reconstruction. Results Throughout a mean six years’ follow-up (range, 2–14 years), 62 patients (42 males, 20 females; average age 6.49 years range, 2–13 years) were reviewed. Of the radiocapitellar joints, 16.1% was noted to have redislocation. Univariate risk analysis showed age, time from injury to surgery, and radial osteotomy were risk factors for a recurrent radiocapitellar redislocation. Time from injury to surgery was found to be independent predictor of redislocation in multivariate analysis. However, there were significant nonlinear associations between time from injury to surgery and redislocation in multivariate logistic regression analysis after multivariate adjustment (p for nonlinear = 0.023). Every one month increase was associated with a 1.37-fold increase in redislocation, in participants within one year after injury. Conclusion In conclusion, the surgery of chronic Monteggia fracture-dislocation should be done as quickly as possible within one year after injury. Associated annular ligament reconstruction or fixation of radiocapitellar joint does not seem to be helpful.
      PubDate: 2022-10-01
       
  • Incidence and management of surgical site infection in the cervical spine
           following a transoral approach

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      Abstract: Purpose Transoral approach can accomplish ventral decompression directly. However, surgical site infection (SSI) cannot be ignored. This paper aims to review the prevalence of infection and conduct advice for the treatment of SSI in the cervical spine following the transoral approach. Methods A retrospective analysis of patients with SSI after transoral atlantoaxial reduction plate (TARP) surgery was performed. SSI was classified into three kinds according to the modified American CDC criteria. Results 2.9% (17/581) patients who underwent TARP surgery, experienced SSI, of which five had superficial SSI (SI), eight had deep SSI (DI), and four had organ/space SSI (O/SI). The patients with SI underwent intravenous antibiotic treatment and were ultimately cured. Among the remaining 12 patients with DI and O/SI, 11 underwent reoperation for TARP system removal and subsequently one-stage posterior occipitocervical fixation, and one patient experienced infection two months post-operatively and died without receiving treatment. Among patients who underwent revision surgery, three experienced intracranial infection due to intra-operative dural tears, and continuous lumbar cerebrospinal fluid drainage and intrathecal injection of antibiotics were used as effective and appropriate treatments, with outcomes of one recovery and two deaths. All patients with SSI were begun on intravenous antibiotics with conversion to oral antibiotics. Conclusions The incidence of SSI was 2.9% (17/581). Adequate peri-operative preparation, early diagnosis, and appropriate treatment of SSI require further research.
      PubDate: 2022-10-01
       
  • Neurological severity evaluation using magnetic resonance imaging in acute
           spontaneous spinal epidural haematomas

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      Abstract: Purpose This study aimed to elucidate the severity of neurological deficits in a large series of patients with acute spontaneous spinal epidural haematoma (SSEH) using magnetic resonance imaging (MRI). Methods We included 57 patients treated for acute SSEH at 11 institutions and retrospectively analysed their demographic and MRI data upon admission. We investigated MRI findings, such as the haematoma length and canal occupation ratio (COR). The neurological severity of SSEH was assessed based on the American Spinal Injury Association score on admission. Results Of the 57 patients, 35 (61%) presented with severe paralysis. The MRI analysis showed that SSEH was often located in the cervical spine, dorsal to the spinal cord, and spread over more than three vertebrae. No differences in age, sex, and aetiology were found between patients with and without severe paralysis. The hypo-intensity layer encircling the haematoma, intra-haematoma heterogeneity, and increased CORs were observed more frequently in the severe paralysis group. Furthermore, pathological examination of a dissected haematoma from one patient with a hypo-intensity layer revealed a collagen layer around the haematoma, and patients with intra-haematoma heterogeneity were more likely to have a bleeding predisposition. Conclusions In this large series of patients with SSEH, we identified some MRI features associated with severe paralysis, such as the hypo-intensity layer, intra-haematoma heterogeneity, and increased COR. Accordingly, patients with these MRI characteristics should be considered for early surgical intervention.
      PubDate: 2022-10-01
       
  • Closed reduction and percutaneous pinning versus open reduction and
           internal fixation for Jakob type 3 lateral condyle fractures in children

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      Abstract: Purpose The management of type 3 lateral condyle fractures (LCFs) remains controversial. The main goal of this study was to evaluate the feasibility of closed reduction and percutaneous pinning (CRPP) in patients with type 3 LCFs and to assess the outcome of such injuries according to the type of treatment, CRPP, or open reduction and internal fixation (ORIF). Methods This is a retrospective review of prospectively enrolled children with type 3 LCF managed by CRPP or ORIF between 2018 and 2021. All patients were followed for at least 12 months. Patients were divided into two groups according to the type of treatment, CRPP or ORIF. Demographic characteristics were recorded for all patients. Standard radiographs were used to identify, evaluate, and classify each fracture and to detect the presence of other concomitant bone lesions. The clinical outcome was assessed according to the Hardacre et al. criteria. Results Seventy-eight children with type 3 LCF were included; 42 were treated by CRPP (53.8%) and 36 by ORIF (46.2%); the mean follow-up time was 17.7 months (range, 12.3–40.9). The baseline characteristics did not differ between the two groups of patients. Overall, successful CRPP could be achieved in 39 out of 42 patients (92.9%). The mean surgical time was 63.4 and 84.5 min in patients treated by CRPP and ORIF, respectively (p = 0.01). Fluoroscopy time was significantly shorter in patients managed by ORIF than in those treated by CRPP (12 versus 40 s, respectively; p < 0.001). Clinical outcome according to the Hardacre et al. criteria was excellent in 37 out of 39 (94.4%) and in 35 out of 36 patients (97.2%) treated by CRPP and ORIF, respectively (p = 0.09). Conclusions CRPP management of paediatric type 3 LCF has clinical and radiographic outcomes similar to ORIF; if satisfactory reduction cannot be achieved by CRPP, conversion to ORIF should be considered.
      PubDate: 2022-10-01
       
  • Would you have an injection without knowing its formula' New
           challenges in platelet-rich plasma therapy

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      PubDate: 2022-09-16
       
 
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