Orthopedics最新文献

{"title":"Health Care Costs After Lumbar Fusion and Disk Replacement for Diskogenic Pain.","authors":"Darren Z Nin, Ya-Wen Chen, David H Kim, Ruijia Niu, Hannah Travers, David C Chang, Raymond W Hwang","doi":"10.3928/01477447-20250123-01","DOIUrl":"10.3928/01477447-20250123-01","url":null,"abstract":"<p><strong>Background: </strong>Lumbar fusion is the most common surgical intervention for chronic or severe low back pain. However, lumbar disk replacement (LDR) may be appropriate for certain patients. The objective of this study was to describe the postoperative management costs associated with both lumbar fusion and LDR in the 2-year period after surgery.</p><p><strong>Materials and methods: </strong>An observational cohort study was conducted using the Merative MarketScan databases. Patients who underwent lumbar fusion or LDR between January 1, 2017, and December 31, 2017, were identified and included in the study. The primary outcome was the cost of payments for physical therapy, pain medication, injections, and bladder management in the 2-year period after surgery.</p><p><strong>Results: </strong>A total of 1660 patients (mean age, 50.1±10.6 years; lumbar fusion, 99%; LDR, 1%) were included in the study. The mean total cost of postoperative interventions identified was $2832±$5461 per patient, with no differences found between patients for identified interventions. The mean 30-day episode-of-care cost was $65,777±$40,869 and was similar (<i>P</i>=.894) between the two groups of patients. The main driver of cost was physical therapy for both groups of patients (lumbar fusion, 53.7%; LDR, 64.9%).</p><p><strong>Conclusion: </strong>Patients who underwent lumbar fusion and LDR had similar postoperative management costs. The shorter recovery periods associated with LDR may not necessarily translate into reduced long-term health care expenditure. [<i>Orthopedics</i>. 2025;48(2):117-120.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"117-120"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143067086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Usefulness of an Extensible Trial Neck in Total Hip Arthroplasty.","authors":"Takashi Suzuki, Kei Kojima, Shunsuke Aoki, Tatsuya Kubomura, Keinosuke Ryu","doi":"10.3928/01477447-20250204-02","DOIUrl":"10.3928/01477447-20250204-02","url":null,"abstract":"<p><strong>Background: </strong>Maintaining appropriate soft tissue tension is essential in total hip arthroplasty (THA). Surgeons generally achieve this by altering the neck length. However, experimenting with different neck lengths is time-consuming, as it requires repeated hip dislocations. To address this, we have used a new extensible trial neck device that allows for easy adjustment of neck length during surgery. This device can help surgeons avoid the need for repeated hip dislocations to determine the correct neck size. The objective of this research was to investigate whether this device could help shorten operative times and decrease surgical invasion for patients.</p><p><strong>Materials and methods: </strong>Patients undergoing THA were randomly separated into two groups. The first group used the extensible trial neck during trial reduction after the stem and cup were placed (group M), while the second group used a conventional trial neck (group C). Operative time, blood loss, number of additional dislocations needed during the operation, and C-reactive protein (CRP) and creatine phosphokinase (CPK) levels after the operation were compared.</p><p><strong>Results: </strong>Operative time was significantly shorter and the number of additional dislocations required to choose the final neck size was significantly lower in group M compared with group C. No significant difference in blood loss was observed. CRP and CPK levels days 3 and 7 after surgery decreased in group M compared with group C.</p><p><strong>Conclusion: </strong>The extensible trial neck was useful for THA by greatly reducing operative time and stress on the patient. [<i>Orthopedics</i>. 2025;48(2):e88-e93.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e88-e93"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399586","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluating the Evolution of ChatGPT as an Information Resource in Shoulder and Elbow Surgery.","authors":"Benjamin Nieves-Lopez, Alexandra R Bechtle, Jennifer Traverse, Christopher Klifto, Bradley S Schoch, Keith T Aziz","doi":"10.3928/01477447-20250123-03","DOIUrl":"10.3928/01477447-20250123-03","url":null,"abstract":"<p><strong>Background: </strong>The purpose of this study was to evaluate the performance and evolution of Chat Generative Pre-Trained Transformer (ChatGPT; OpenAI) as a resource for shoulder and elbow surgery information by assessing its accuracy on the American Academy of Orthopaedic Surgeons shoulder-elbow self-assessment questions. We hypothesized that both ChatGPT models would demonstrate proficiency and that there would be significant improvement with progressive iterations.</p><p><strong>Materials and methods: </strong>A total of 200 questions were selected from the 2019 and 2021 American Academy of Orthopaedic Surgeons shoulder-elbow self-assessment questions. ChatGPT 3.5 and 4 were used to evaluate all questions. Questions with non-text data were excluded (114 questions). Remaining questions were input into ChatGPT and categorized as follows: anatomy, arthroplasty, basic science, instability, miscellaneous, nonoperative, and trauma. ChatGPT's performances were quantified and compared across categories with chi-square tests. The continuing medical education credit threshold of 50% was used to determine proficiency. Statistical significance was set at <i>P</i><.05.</p><p><strong>Results: </strong>ChatGPT 3.5 and 4 answered 52.3% and 73.3% of the questions correctly, respectively (<i>P</i>=.003). ChatGPT 3.5 performed significantly better in the instability category (<i>P</i>=.037). ChatGPT 4's performance did not significantly differ across categories (<i>P</i>=.841). ChatGPT 4 performed significantly better than ChatGPT 3.5 in all categories except instability and miscellaneous.</p><p><strong>Conclusion: </strong>ChatGPT 3.5 and 4 exceeded the proficiency threshold. ChatGPT 4 performed better than ChatGPT 3.5, showing an increased capability to correctly answer shoulder and elbow-focused questions. Further refinement of ChatGPT's training may improve its performance and utility as a resource. Currently, ChatGPT remains unable to answer questions at a high enough accuracy to replace clinical decision-making. [<i>Orthopedics</i>. 2025;48(2):e69-e74.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e69-e74"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143067084","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Factors Influencing Early Return to Driving in a Contemporary Arthroplasty Population.","authors":"Eric J Wilson, Nicholas R Olson, Nancy L Parks, Michael E Seem, P Henry Ho, C Anderson Engh","doi":"10.3928/01477447-20250206-01","DOIUrl":"10.3928/01477447-20250206-01","url":null,"abstract":"<p><strong>Background: </strong>As arthroplasty techniques become more advanced, patients recover more rapidly. Is this same trend observed with patients' ability to drive after hip and knee replacement? The purpose of this study was to evaluate the impact of various factors on patients' ability to drive within 4 weeks after primary hip or knee arthroplasty to better counsel patients on their return to driving postoperatively.</p><p><strong>Materials and methods: </strong>This retrospective cohort study investigated 1146 patients who underwent primary joint arthroplasty. These patients were surveyed 3 to 4 weeks after surgery, and 851 patients were included in the analysis. Univariate and multivariate analyses were performed to determine which factors were associated with return to driving.</p><p><strong>Results: </strong>Among the patients, 47.0% (n=382) returned to driving within 4 weeks of their procedure, with a mean postoperative time of 16.0±6.3 days. Factors significantly correlated with an early return to driving based on univariate analysis included younger age at surgery, lower body mass index, male sex, prior daily driving, same-day discharge, higher scores on patient-reported outcome measures, left-sided procedure, unicompartmental knee arthroplasty (UKA), no walking aids, and no use of narcotic pain medication. Multivariate Cox regression analysis revealed that male sex (hazard ratio [HR], 2.19), same-day discharge (HR, 1.86), prior daily driving (HR, 1.81), left-sided surgery (HR, 1.62), and type of procedure (UKA: HR, 1.65; total hip arthroplasty by the direct anterior approach: HR, 1.50) were associated with early return to driving.</p><p><strong>Conclusion: </strong>Many patient, surgical, and rehabilitation factors can impact the ability of primary arthroplasty patients to return to driving within 4 weeks of surgery. This large cohort incorporating current surgical techniques can support surgeons to better counsel patients on their expected return to driving. [<i>Orthopedics</i>. 2025;48(2):e94-e99.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e94-e99"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predictors of Delayed Surgery After Distal Radius Fracture: A Large National Database Study.","authors":"Philip P Ratnasamy, Omar Allam, Alexander J Kammien, Peter Y Joo, Xuan Luo, Jonathan N Grauer","doi":"10.3928/01477447-20250204-01","DOIUrl":"10.3928/01477447-20250204-01","url":null,"abstract":"<p><strong>Background: </strong>Surgical timing after distal radius fracture may impact patient outcome. This retrospective study assessed the timing of surgery after distal radius fracture and predictors of delayed surgery.</p><p><strong>Materials and methods: </strong>Patients who had distal radius fractures were identified from the PearlDiver M161Ortho dataset. Those who went on to have surgery in the subsequent 52 weeks were identified, with immediate surgery designated as occurring in weeks 0 to 2 after fracture and delayed surgery designated as occurring in weeks 3 to 52 after fracture. Demographics of patients with immediate and delayed surgery, including age, sex, comorbidity burden (measured by Elixhauser Comorbidity Index [ECI]), region of the country where surgery was performed, insurance (commercial, Medicare, Medicaid), and smoking status (non-smoker, cannabis, tobacco, both), were assessed and compared by multivariate analyses.</p><p><strong>Results: </strong>A total of 90,570 patients undergoing surgery for distal radius fractures were identified, of whom immediate surgery was performed for 76,683 (88.0%) and delayed surgery was performed for 10,887 (12.0%). Independent predictors of delayed surgery included non-clinical factors (Medicaid [vs commercial insurance]: odds ratio [OR], 1.62, <i>P</i><.0001; and region [vs Midwest]: West, OR, 1.39, <i>P</i><.0001; Northeast, OR, 1.37, <i>P</i>=.0115; and South, OR, 1.21, <i>P</i>=.0001) as well as clinical factors (smoking tobacco [vs non-smoker]: OR, 1.31, <i>P</i><.0001; and increased ECI: OR, 1.14 per 2-point increase, <i>P</i><.0001).</p><p><strong>Conclusion: </strong>In a large cohort of patients, 12% of distal radius fracture surgeries occurred outside the 2-week window. These cases were predicted by non-clinical and clinical factors that deserve attention to limit the delay of such surgeries. [<i>Orthopedics</i>. 2025;48(2):e75-e80.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e75-e80"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143399583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Anti-Leukotriene Receptor Blockers Improve Tendon-Bone Interface Healing in a Rat Model of Acute Rotator Cuff Tear.","authors":"Jong Pil Yoon, Sung-Jin Park, Dong-Hyun Kim, Yoon Seong Choi, Hyun Joo Lee, Jun-Young Kim, Seok Won Chung","doi":"10.3928/01477447-20250218-01","DOIUrl":"10.3928/01477447-20250218-01","url":null,"abstract":"<p><strong>Background: </strong>Excessive expression of proinflammatory cytokines after rotator cuff (RC) surgery impairs the quality of tendon-bone interface (TBI) healing. There is evidence that the asthma drug montelukast (MS) inhibits the expression of proinflammatory cytokines. This study was conducted to verify the effect of MS administration on TBI healing after RC repair.</p><p><strong>Materials and methods: </strong>Thirteen rats in the MS group were intraperitoneally administered 10 mg/kg of the drug daily for 2 weeks after RC surgery, and 13 rats in the control group were administered only 0.9% saline. The healing effect of the TBI was assessed through histologic and biomechanical analysis 4 weeks after tendon repair.</p><p><strong>Results: </strong>In the MS group, the expression of interleukin-1 beta (IL-1β; <i>P</i><.01) and interleukin 6 (IL-6; <i>P</i><.01) was significantly reduced compared with the control group. In the evaluation of supraspinatus fatty infiltration, the MS group showed significant inhibition of fatty infiltration compared with the control group (<i>P</i><.001). Histologic analysis showed that the MS group had significant improvements in collagen density (<i>P</i>=.035) and alignment (<i>P</i>=.011). Biomechanical analysis after systemic administration of MS showed an increase in the cross-sectional area (<i>P</i><.001) and elongation (<i>P</i><.01) of the TBI.</p><p><strong>Conclusion: </strong>The use of MS improved tendon elasticity through suppressing fatty infiltration and improving TBI collagen density and arrangement. The mechanism is down-regulation of IL-1β and IL-6. These results strongly support the use of MS as an anti-inflammatory agent that does not impair tendon healing. [<i>Orthopedics.</i> 2025;48(2):e105-e112.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e105-e112"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of a Recently Accredited Orthopedic Surgery Residency on Patient Outcome Scores in Total Shoulder Arthroplasty: A Retrospective Study.","authors":"Oliver T Sogard, Andrew D Lachance, Christopher L San Crant, Shaya Shahsavarani, Tyler J Zlupko, Joseph Y Choi","doi":"10.3928/01477447-20250114-01","DOIUrl":"10.3928/01477447-20250114-01","url":null,"abstract":"<p><strong>Background: </strong>Patient-reported outcome measures are a valuable tool to evaluate an intervention from a patient's perspective. Previous evidence shows that, while resident involvement may increase operative times, it does not affect complications or patient-reported outcomes. This study sought to assess the impact of a new residency program on patient-reported outcome measures, operative time, and complication rates in total shoulder arthroplasty.</p><p><strong>Materials and methods: </strong>A retrospective cohort study was performed of patients who underwent total shoulder arthroplasty at a single health care system. Demographic data, resident presence during shoulder arthroplasty, arthroplasty type, procedure duration, complications, and American Shoulder and Elbow Surgeons (ASES) score change were collected. Patients 18 years or older who underwent primary anatomic or reverse total shoulder arthroplasty were included. Patients who did not meet the inclusion criteria, had a preoperative diagnosis other than primary osteoarthritis, lacked preoperative and postoperative ASES scores, and canceled procedures were excluded.</p><p><strong>Results: </strong>A total of 139 patients were identified and included in our analysis. Ninety-seven total shoulder arthroplasties were performed with a resident not present, and 42 with a resident present. This study showed no significant effects of the presence or absence of a resident on ASES scores, complication rates, or surgery times.</p><p><strong>Conclusion: </strong>This study adds to previous evidence indicating that attending orthopedic surgeons can support resident learning and surgical skill development while maintaining patient-reported outcome measures, surgical time, and complication rates similar to those without resident involvement when performing shoulder arthroplasty. [<i>Orthopedics</i>. 2025;48(2):104-110.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"104-110"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143009230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Visual Assessment of Cup Position on Anteroposterior Pelvis Radiographs Before Revision Total Hip Arthroplasty for Instability Is Highly Deceiving.","authors":"Shu Lin, Jesus M Villa, Katherine Rajschmir, Carlos A Higuera, Preston Grieco","doi":"10.3928/01477447-20241219-03","DOIUrl":"10.3928/01477447-20241219-03","url":null,"abstract":"<p><strong>Background: </strong>Is \"eyeballing\" enough to determine cup malposition on anteroposterior (AP) pelvis radiographs before revision total hip arthroplasty (rTHA) for instability? We aimed to determine the following: (1) the reliability of eyeballing cup inclination/anteversion on AP pelvis radiographs vs geometrical measurements and (2) whether visual assessments are affected by surgeon experience.</p><p><strong>Materials and methods: </strong>Fifteen de-identified standing AP pelvis radiographs obtained before rTHA for instability were evaluated by one orthopedic surgeon who measured inclination/anteversion of the cups (n=15) using a new simplified method based on basic geometry. Subsequently, 4 orthopedic surgeons and 4 fellows (postgraduate year 6) assessed inclination/anteversion by eyeballing. A modified Lewinnek safe zone range was employed to categorize each value (in degrees) by geometrical measurements or by raters' eyeballing as within or outside the safe zones. Cohen's kappa (<i>κ</i>) statistics were performed. Mean <i>κ</i> values of attending surgeons and fellows were compared.</p><p><strong>Results: </strong>According to geometrical measurements, 8 and 12 cups were in malposition (for inclination and anteversion, respectively). By just eyeballing, no attending surgeon or fellow attained an excellent (<i>κ</i>>0.8) level of agreement when compared with geometrical measurements. Only 1 attending surgeon attained a substantial (<i>κ</i>=0.6-0.8) level of agreement (<i>κ</i>=0.737, for inclination, <i>P</i>=.003). Mean <i>κ</i> values of attending surgeons and fellows were 0.476 and 0.187, respectively, for inclination (<i>P</i>=.2) and 0.416 and 0.428, respectively, for anteversion (<i>P</i>=.9).</p><p><strong>Conclusion: </strong>Eyeballing cup position on AP pelvis radiographs before rTHA for instability is extremely misleading, regardless of surgeon experience. It is imperative to always measure the inclination and anteversion of the cup. [<i>Orthopedics</i>. 2025;48(1):e22-e26.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e22-e26"},"PeriodicalIF":1.1,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142896640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Primary Cuff Repair Augmented With a Balloon Spacer in a Large and Massive Rotator Cuff Tear Series: A Technique and Short-term Outcome and Imaging Study.","authors":"Seng Juong Wong, Hannah M Lie, Muhammad Danish Bin Massuryono, Nicholas H P Wong, Denny T T Lie","doi":"10.3928/01477447-20241127-04","DOIUrl":"10.3928/01477447-20241127-04","url":null,"abstract":"<p><p>Massive rotator cuff tears are a challenge for patients and surgeons. We explored the outcomes of patients with massive rotator cuff tears primarily treated with primary cuff repair augmented with a subacromial balloon spacer. The mean age of the patients was 64.3 years, with 24 (71%) having massive cuff tears and the remaining 29% having large cuff tears. Most patients (61%) exhibited significant fatty atrophy (at least grade 3 Goutallier). At 6 months, patients showed improved Constant score, UCLA score, and Oxford Shoulder Score. Pain scores also significantly decreased. A phase 1 study of postoperative imaging indicated balloon disintegration in 50% of cases at 6 weeks. Augmenting primary cuff repair with a subacromial balloon spacer demonstrates promising short-term outcomes. Our postoperative images suggest that balloon disintegration may occur as early as 6 weeks. We recommend caution in using a balloon spacer as a standalone therapy. [<i>Orthopedics</i>. 2025;48(1):e56-e61.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e56-e61"},"PeriodicalIF":1.1,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771149","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical and Radiographic Outcomes With Minimum 2-Year Follow-up and Sub-Analysis of Navigation vs Non-Navigation for Hip Resurfacing.","authors":"Roger Quesada-Jimenez, Ady H Kahana-Rojkind, Elizabeth G Walsh, Tyler R McCarroll, Mark F Schinsky, Benjamin G Domb","doi":"10.3928/01477447-20241016-02","DOIUrl":"10.3928/01477447-20241016-02","url":null,"abstract":"<p><strong>Background: </strong>The purpose of this study was to report the short-term clinical outcomes of hip resurfacing with navigation and the impact on accuracy of acetabular implant placement in both the frontal and sagittal planes.</p><p><strong>Materials and methods: </strong>Data were retrospectively analyzed for patients who received hip resurfacing between 2010 and 2021. Eligible patients had postoperative radiographs and completed a minimum 2-year follow-up questionnaire for the following patient-reported outcomes: modified Harris Hip Score (mHHS), Harris Hip Score (HHS), Forgotten Joint Score (FJS), visual analog scale (VAS) score, satisfaction, and Hip Disability and Osteoarthritis Outcome Score, Joint Replacement (HOOS-JR). Hips were propensity matched in a 1:1 ratio based on the use of navigation, age, and body mass index. The percentage of hips that met the minimal clinically important difference (MCID) for mHHS and VAS score was noted. Component placement analysis was conducted based on the safe zones defined by Lewinnek and Callanan and the Relative Acetabular Inclination Limit.</p><p><strong>Results: </strong>Seventy-six hips were matched, 38 per group. No differences were observed in patient-reported outcomes or the percentage of hips reaching MCID between the groups. The navigation group was 28.8 and 6.8 times more likely to be within the Callanan and Lewinnek safe zones, respectively. Based on the Relative Acetabular Inclination Limit, the navigation group was 3.1 and 6.4 times more likely to be within the 95% and 99% CI safe zones, respectively.</p><p><strong>Conclusion: </strong>Comparable improvements in patient-reported outcomes were observed in the two groups during a minimum 2-year follow-up. Navigation-assisted surgery enhances the accuracy of acetabular component positioning, with a higher likelihood of cup placement within the safe zones. [<i>Orthopedics</i>. 2025;48(1):e1-e6.].</p>","PeriodicalId":19631,"journal":{"name":"Orthopedics","volume":" ","pages":"e1-e6"},"PeriodicalIF":1.1,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142471752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}