Archives of Orthopaedic and Trauma Surgery最新文献

{"title":"Correction: Anterior minimal invasive internal fixator versus open plating in treatment of unstable pelvic ring injuries.","authors":"Khaled Omran, Ahmed Nady, Ahmad Hisham Abdelhalim Ali, Mohamed Sayed Khamies","doi":"10.1007/s00402-025-05986-7","DOIUrl":"10.1007/s00402-025-05986-7","url":null,"abstract":"","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"393"},"PeriodicalIF":2.1,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12310886/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Total wrist arthroplasty revisited: survival, function, and patient-reported outcomes of BIAX and universal II prostheses over 15 years.","authors":"Leonhard Mandl, Alfred Gruber, Raymund E Horch, Resit Demir","doi":"10.1007/s00402-025-06005-5","DOIUrl":"10.1007/s00402-025-06005-5","url":null,"abstract":"<p><strong>Background: </strong>In the management of degenerative osteoarthritis and rheumatoid arthritis of the wrist, surgical intervention remains an important treatment option when conservative approaches such as medication, physiotherapy, and assistive devices prove insufficient. Despite decades of development, no single wrist prosthesis has yet emerged as the definitive standard in total wrist arthroplasty. To address this gap, the German Society for Hand Surgery established the Total Endoprosthesis (TEP) Register in 2004 to systematically collect and evaluate long-term clinical outcomes. The present prospective single-centre study analyses and presents the long-term results of patients enrolled in the TEP register, offering valuable insights into the performance and durability of wrist prostheses in a real-world clinical setting.</p><p><strong>Patients/materials/methods: </strong>Between 2000 and 2011, a total of 29 total endoprostheses were implanted in 25 patients in a single centre study due to severe degenerative changes in the wrist. Of these, 22 had rheumatoid arthritis and 3 degenerative osteoarthritis. The prosthesis models BIAX (N = 13) and Universal II (N = 16) were implanted. The present study describes the mean outcome after a mean observation period of 13.8 (1.7-21.4) years for the BIAX prosthesis and 10.5 years (0.2-16.4) for the Universal II prosthesis.</p><p><strong>Results: </strong>The probability of survival after 15 years is 60% for the BIAX prosthesis and 41% for the Universal II prosthesis. After 21 years, results are only available for the BIAX prosthesis with a value of 60%. The BIAX prosthesis showed a lower complication rate. Subjectively, 15 years postoperatively, the BIAX prosthesis showed a lower mean value in the QuickDASH score (BIAX 33.8%, Universal II 50.3%), lower results in the visual analogue pain scale under stress (BIAX: 1 point; Universal II: 3 points) with higher patient satisfaction (BIAX: 86%; Universal II: 78%).</p><p><strong>Conclusion: </strong>In conclusion, our observations show that the BIAX prosthesis is superior to the Universal II prosthesis 15 years after surgery in terms of survival probability, complication rate and better results in satisfaction, the visual analogue pain scale and the QuickDASH score.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"389"},"PeriodicalIF":2.1,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12310860/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Outcomes of cemented and hybrid primary total hip arthroplasty for osteoarthritis: A systematic review with narrative synthesis.","authors":"Amy Pearce, Anna Butcher, Kim Hébert-Losier","doi":"10.1007/s00402-025-06007-3","DOIUrl":"10.1007/s00402-025-06007-3","url":null,"abstract":"<p><strong>Purpose: </strong>To compare primary (implant survival and periprosthetic fracture rates, PPF) and secondary (patient reported outcome measures, PROMs) outcomes of cemented and hybrid primary total hip arthroplasty (THA) for osteoarthritis.</p><p><strong>Methods: </strong>Four databases (PubMed^®, EBSCO, ScienceDirect^®, and Scopus^®) were searched (1 October 2023 and 15 November 2024) for original studies comparing cemented and hybrid primary THA for osteoarthritis. survival, PPF rates, and PROMs. Included studies were assessed for risk of bias using the Quality in Prognostic Studies or RoB 2.0 tool, critically appraised for strength of evidence using GRADE, and underwent a narrative synthesis. PROSPERO registration number CRD42023462884.</p><p><strong>Results: </strong>Eight studies met criteria for review (n = 357,748). Risk of bias was high for two, moderate for three, and low for three studies. Quality of evidence was very low for both primary and secondary outcomes. Five studies met the criteria for the primary outcome (survival) (n = 257,756), two PPF rates (n = 29,581), and three PROMs (n = 382). Three of five studies reported hybrid survival as not significantly different to cemented, and two identified cemented as superior. The three PROMs studies reported no difference between cemented and hybrid THA. A lack of studies and comparative data made it unfeasible to determine PPF outcomes.</p><p><strong>Conclusion: </strong>Few high-quality studies and methodological heterogeneity led to moderate to high bias and very low overall evidence certainty. Eligible studies indicated no difference in short to medium term PROMs or 10-year survival between the two fixations. Long-term studies indicated superior cemented survival outcomes. A substantial gap in long-term PROMs and PPF rates is noted.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"388"},"PeriodicalIF":2.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12304010/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726954","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Biomechanical testing of lateral and medial ligament reconstruction using bone anchors with autologous resident tissue: influence of different reconstruction techniques on stability and mobility.","authors":"Lea Marie Keßling, Anna Altemeier, Dennis Nebel, Sarah Ettinger, Kiriakos Daniilidis, Christian Plaaß, Christina Stukenborg-Colsman, Leif Claaßen","doi":"10.1007/s00402-025-06004-6","DOIUrl":"10.1007/s00402-025-06004-6","url":null,"abstract":"<p><strong>Introduction: </strong>The optimal surgical technique for chronic ankle instability remains disputable. This study had two main questions: the effect of additional medial collateral ligament (MCL) stabilisation in ankle instability and comparison of open and arthroscopic surgical techniques for lateral ligament repair.</p><p><strong>Materials and methods: </strong>We used 10 fresh-frozen cadaver feet (Science Care, Phoenix, AZ, USA) per group. Eight states were tested in an open surgery group: native; MCL cut; MCL repair; anterior talofibular ligament (ATFL) cut; calcaneofibular ligament (CFL) cut; MCL re-cut + ATFL repair; MCL re-cut + AFTL and CFL repair; and MCL, ATFL, and CFL repair. Three states were tested in an arthroscopic group: Native; ATFL cut; and ATFL repair. A multidirectional loading test with five different movements (anterior translation (AT), supination (SUP), pronation (PRO), internal rotation (IR), and external rotation (ER)) was performed using a robotic system with six degrees-of-freedom.</p><p><strong>Results: </strong>Refixation of the ATFL and CFL resulted in significant reductions in AT, IR, and SUP laxities (p < 0.05). Compared to this we observed a significant reduction of ER and PRO laxity when the MCL was additionally repaired (\"MCL, ATFL and CFL repair\") (p < 0.05). The outcomes of \"MCL, ATFL and CFL repair\" of the open procedure showed no significant differences in AT, SUP and IR laxity in the different ankle positions to the outcomes of \"ATFL repair\" of the arthroscopic procedure (p > 0.05).</p><p><strong>Conclusion: </strong>Lateral ligamentoplasty leads to stabilisation of the ankle joint in AT, IR and SUP. Additional medial stabilisation resulted in further stabilisation, highlighting the relevance of preoperative and intraoperative evaluations of the medial ankle ligaments treating ankle instability. The stabilisation of the ankle joint by open and arthroscopic techniques was comparable for lateral ligament repair.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"386"},"PeriodicalIF":2.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12304012/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Four-corner arthrodesis in SNAC wrist: biomechanical and functional comparison of two fixation techniques.","authors":"Yakup Kahve, Utku Gurhan, Kazım Onur Unal, İbrahim Alper Yavuz, Mahir Intizam, Metin Akinci","doi":"10.1007/s00402-025-05999-2","DOIUrl":"10.1007/s00402-025-05999-2","url":null,"abstract":"<p><strong>Introduction: </strong>Scaphoid nonunion advanced collapse (SNAC) is a debilitating condition that significantly impacts wrist function, pain levels, and return-to-work outcomes. Surgical fixation method may influence long-term functional results. This study aimed to compare the complications and functional outcomes of four-corner arthrodesis using either a CarpalFix screw system or a dorsal locked circular plate.</p><p><strong>Materials and methods: </strong>Patients diagnosed with SNAC wrist who underwent four-corner arthrodesis between 2016 and 2022. A total of 47 patients were included: 25 treated with dorsal circular plate fixation and 22 with CarpalFix screw fixation. Pre- and postoperative assessments included the Visual Analog Scale (VAS) for pain, Quick Disabilities of the Arm, Shoulder, and Hand (QuickDASH) scores, wrist range of motion (ROM), and grip strength using a JAMAR dynamometer. Time to return to work and complications such as nonunion were also evaluated.</p><p><strong>Results: </strong>The CarpalFix group demonstrated significantly greater postoperative wrist flexion and total flexion-extension ROM compared to the dorsal plate group. Time to return to work was also shorter in the CarpalFix group. No significant difference in grip strength was found between groups. Three cases of nonunion occurred, all in smokers; however, this was not statistically significant.</p><p><strong>Conclusions: </strong>CarpalFix screw fixation provides comparable outcomes to dorsal circular plate fixation in the treatment of SNAC, with advantages in motion preservation and earlier return to work. Its low-profile design and strong compression capability make it a favorable option, particularly in younger patients.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"387"},"PeriodicalIF":2.1,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144726953","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Percutaneous versus open cannulated screws fixation for displaced isolated medial malleolar fractures in adults: a randomized controlled clinical trial.","authors":"Khalaf Fathy Elsayed Ahmed","doi":"10.1007/s00402-025-06000-w","DOIUrl":"10.1007/s00402-025-06000-w","url":null,"abstract":"<p><strong>Introduction: </strong>Isolated medial malleolar (MM) fractures are infrequent injuries. Studies focused on their treatment are scarce. The aim of this study was to compare functional and radiographic outcomes of two surgical techniques for treatment of displaced isolated MM fractures in adults: closed reduction and percutaneous fixation (CRPF), and open reduction and internal fixation (ORIF) by using same implant; two partially-threaded cannulated cancellous screws.</p><p><strong>Materials and methods: </strong>A prospective randomized controlled clinical trial (RCT) was conducted on 50 patients with isolated displaced MM fractures, treated with CRPF (group A) or ORIF (group B), at orthopaedics department of university hospital, from April 2021 to April 2023. Fractures were classified by Herscovici classification. The primary outcomes were incidence of complications and time to union based on radiographic assessment by plain radiographs of ankle. The secondary outcomes were functional assessment by Foot and Ankle Ability Measure (FAAM) for activities of daily living (ADLs) and sports, American Orthopaedic Foot and Ankle Society (AOFAS) score, and VAS.</p><p><strong>Results: </strong>No significant differences were noticed among two groups regarding age, sex, side affected, mechanism of injury, smoking, Herscovici classification, or follow-up duration. Mean final FAAM-ADLs was 97.6 ± 2 in group A, and 95 ± 3.4 in group B, (P = 0.155). Mean final FAAM-sports was 87 ± 11.4 in group A, and 73.4 ± 15.6 in group B, (P = 0.312). Mean final AOFAS score was 95.9 ± 8.4 in group A, and 94.6 ± 9.5 in group B, (P = 0.237). Mean final VAS for pain was 0.9 ± 0.5in group A, and 1.5 ± 0.9 in group B, (P = 0.453). Mean time of solid radiographic union was 9.5 ± 2 weeks in group A, and 10.4 ± 3 weeks in group B, (P = 0.026).</p><p><strong>Conclusion: </strong>CRPF of displaced isolated MM fractures is an efficient method with comparable radiographic and functional outcomes to ORIF. Based on these results, percutaneous fixation could be a good alternative for managing displaced isolated MM fractures.</p><p><strong>Level of evidence: </strong>Level II therapeutic: Prospective randomized controlled clinical trial.</p><p><strong>Trial registration: </strong>The trial was registered at www.</p><p><strong>Clinicaltrials: </strong>gov (Trial Registration Number: NCT06883435).</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"385"},"PeriodicalIF":2.1,"publicationDate":"2025-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12296974/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144706106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The sole use of stem cells in treating fracture nonunion: a scoping review.","authors":"Mads Riishede Hansen, Ming Ding, Steffen Søndergaard Folkvardsen, Susanne Gjørup Sækmose, Søren Kold, Bjarke Viberg, Chris Halling Dreyer","doi":"10.1007/s00402-025-05922-9","DOIUrl":"10.1007/s00402-025-05922-9","url":null,"abstract":"<p><strong>Objective of this study: </strong>This scoping-review aims to highlight the current modalities of sole use of stem cells in treating fracture nonunion updating a previous systematic review from 2013. We report solitary stem cell stimulation in literature in vivo studies to obtain current knowledge in understanding the crucial role of stem cells in enhancing fracture nonunion healing.</p><p><strong>Materials and methods: </strong>This scoping review was conducted by systematical search in PubMed, Medline and clinicaltrials.gov with a timeframe from October 2012 to September 2024. Two authors independently screened all articles, and when included, the following information was extracted: type of nonunion, localization, type of stem cells, administered dose of stem cells, surgical information, type of scaffold, control group, evaluation method, time of evaluation post intervention, and adverse events.</p><p><strong>Results: </strong>Of 4710 articles screened, 27 articles met the criteria for inclusion. In the reviewed articles, 2 out of 5 human studies, and 8 out of 12 animal studies with a control group reported a statistically significant effect of stem cells on bone healing when used in the treatment of fracture nonunion. Comparison of the studies was difficult due to heterogeneity. The administration of mesenchymal stem cells regarding adverse events was investigated in eight human studies.</p><p><strong>Conclusion: </strong>Based on our reporting, the articles suggest that the perspectives of the sole use of mesenchymal stem cells in the management of fracture nonunion might be promising but remain inconclusive. Future research should be inspired by existing literature and focus on the development of well-standardized methodologies and results published.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"384"},"PeriodicalIF":2.0,"publicationDate":"2025-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12287131/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144688788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Does using a low-profile inlay in a Grammont-style shoulder prosthesis decrease the risk of scapular notching?","authors":"Saskia Mayer, JoEllen Welter, Donato Papillo, Janic Fischer, Celina Guessoum, Amelie Lutz, Andreas M Müller, Florian Hess","doi":"10.1007/s00402-025-06001-9","DOIUrl":"10.1007/s00402-025-06001-9","url":null,"abstract":"<p><strong>Purpose: </strong>Scapular notching after reverse shoulder arthroplasty (RSA) is a common complication associated with impingement from excessive contact between the humeral implant and the scapula. While low-profile inlays (high mobility) were designed to reduce inferior notching, their clinical impact remains unclear. We investigated the effects of a low-profile inlay on range of motion and the incidence of scapular notching and shoulder dislocation.</p><p><strong>Methods: </strong>120 patients with 123 prostheses [low-profile (n = 88) or standard (n = 35) inlay] who underwent elective RSA for a rotator cuff tear or primary omarthritis (June 2016-August 2021) were included in this single-centre study. Follow-up continued for two years postoperatively, including radiological and clinical exams. Comparisons among the three groups in the primary analyses were based on postoperative glenosphere overhang [low 0-3 mm (n = 13), medium > 3-6 mm [n = 53) high > 6 mm (n = 57)].</p><p><strong>Results: </strong>No significant difference in notching occurred between inlay types. Furthermore, none of the variables in the logistic regression model were associated with notching (inlay type, overhang, age, gender, indication, body mass index). Notching rates among the overhang groups were similarly distributed (46% low, 55% medium, and 39% high; p = 0.261). Only one dislocation occurred in the cohort. Low-profile inlays resulted in better median postoperative external rotation (40°, IQR 30-45) than the standard inlays (20°, IQR 10-40; p = 0.0002).</p><p><strong>Conclusion: </strong>A low-profile inlay was not associated with decreased incidence of scapular notching within two years postoperatively. However, external rotation improved significantly and no increased risk of dislocation was detected. The extent of glenosphere overhang was not associated with scapular notching, regardless of the inlay type.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"380"},"PeriodicalIF":2.0,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144673857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Geriatric care in hip fracture recovery: does it truly make a difference? A meta-analysis.","authors":"Betül Gülsüm Yavuz Veizi, Enejd Veizi, Christos Koutserimpas","doi":"10.1007/s00402-025-05993-8","DOIUrl":"10.1007/s00402-025-05993-8","url":null,"abstract":"<p><strong>Background: </strong>Hip fractures have a significant impact on morbidity and mortality in older adults, often leading to loss of function and an increased healthcare burden. The role of geriatric co-management in improving postoperative outcomes remains controversial. This meta-analysis evaluates the impact of geriatric care on functional recovery, complications, length of hospital stay, and one-year mortality in older patients with hip fractures.</p><p><strong>Methods: </strong>A meta-analysis was conducted according to PRISMA guidelines. Randomized controlled trials (RCTs) and prospective cohort studies comparing standard orthopedic care with geriatric co-management were included. The primary outcomes examined were one-year mortality, functional independence (Barthel ADL scores, independent walking), length of hospital stay and postoperative complications (delirium, infections, falls).</p><p><strong>Results: </strong>Six RCTs with 1,780 patients (894 geriatric care, 886 standard care) were analyzed. Geriatric care was associated with improved ADL scores (Cohen's d = 0.066, 95% CI 0.027-0.105) and a 19% higher rate of independent walking (RR = 1.19, 95% CI 1.092-1.288). The length of hospital stay was reduced by 1.39 days (95% CI - 1.98 to - 0.80). Complication rates decreased slightly (- 3.60%), but no significant reduction in one-year mortality was observed (- 2.26%). Heterogeneity was high for functional outcomes (I² = 99.91%) and LOS (I² = 99.99%).</p><p><strong>Conclusions: </strong>Geriatric care improves short-term functional outcomes, reduces complications and shortens hospital stay in elderly patients with hip fractures. However, its impact on one-year mortality is limited. Standardized geriatric care models and further research on long-term recovery strategies are needed to optimize outcomes.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"382"},"PeriodicalIF":2.0,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144673858","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Conventional versus computer-tomography based navigation assisted eccentric rotational acetabular osteotomy in less experienced surgeons.","authors":"Yusuke Osawa, Yasuhiko Takegami, Hiroto Funahashi, Hiroaki Ido, Takamune Asamoto, Shiro Imagama","doi":"10.1007/s00402-025-05990-x","DOIUrl":"https://doi.org/10.1007/s00402-025-05990-x","url":null,"abstract":"<p><strong>Introduction: </strong>The use of navigation systems may improve the preoperative planning and outcomes of less-experienced surgeons for periacetabular osteotomies. This study aimed to evaluate the clinical outcomes of conventional and navigation-guided eccentric rotational acetabular osteotomy (ERAO).</p><p><strong>Methods: </strong>The inclusion criteria were patients that underwent ERAO performed by less experienced surgeons (performing ERAO less than 25 cases) for hip dysplasia between January 2016 and December 2022. The study group was divided into the conventional (38 patients, 42 hips) and navigation groups (32 patients, 34 hips). Assessment tools included the operative time, blood loss, preoperative and final follow-up Harris Hip Scores (HHS), complications, and acetabular imaging parameters.</p><p><strong>Results: </strong>The study included a total of 70 patients (6 men and 64 women, average age of 35.1 years, 76 hip joints). There were no significant differences in the operative time, intraoperative blood loss, and preoperative and final HHS scores between the two groups. Complications were observed in 10 (24%) and 3 (9%) hip joints in the conventional and navigation groups, respectively. Conversion to total hip arthroplasty was performed in two hip joints (5.4%) in the conventional group and none in the navigation group. The postoperative lateral center edge angle and acetabular head index were significantly greater in the navigation group than in the conventional group.</p><p><strong>Discussion: </strong>This study demonstrated that even less experienced surgeons can reduce complications and achieve favorable acetabular coverage with ERAO using navigation systems.</p>","PeriodicalId":8326,"journal":{"name":"Archives of Orthopaedic and Trauma Surgery","volume":"145 1","pages":"383"},"PeriodicalIF":2.0,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144673856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}