Juan D Lizcano, Ilda B Molloy, Meera Kohli, Ramakanth R Yakkanti, Saad Tarabichi, Matthew S Austin
{"title":"Ultracongruent Versus Posterior-Stabilized Polyethylene: No Difference in Anterior Knee Pain but Decreased Noise Generation.","authors":"Juan D Lizcano, Ilda B Molloy, Meera Kohli, Ramakanth R Yakkanti, Saad Tarabichi, Matthew S Austin","doi":"10.5435/JAAOS-D-24-00379","DOIUrl":"10.5435/JAAOS-D-24-00379","url":null,"abstract":"<p><strong>Background: </strong>Noise generation and anterior knee pain can occur after primary total knee arthroplasty (TKA) and may affect patient satisfaction. Polyethylene design in cruciate-sacrificing implants could be a variable influencing these complications. The purpose of this study was to analyze the effect of polyethylene design on noise generation and anterior knee pain.</p><p><strong>Methods: </strong>We prospectively reviewed a cohort of patients who underwent primary TKA between 2014 and 2022 by a single surgeon using either a posterior-stabilized (PS) or ultracongruent (UC) polyethylene of the same implant design. The primary outcomes were measured through a noise generation questionnaire and the Knee Injury and Osteoarthritis Outcome Score-Patellofemoral score.</p><p><strong>Results: </strong>A total of 409 TKA procedures were included, 153 (37.4%) PS and 256 (62.6%) UC. No difference was noted in the Knee Injury and Osteoarthritis Outcome Score-Patellofemoral score between PS and UC designs (71.7 ± 26 versus 74.2 ± 23.2, P = 0.313). A higher percentage of patients in the PS cohort reported hearing (32.7% versus 22.3%, P = 0.020) or feeling noise (28.8 versus 20.3, P = 0.051) coming from their implant. No notable difference was observed in noise-related satisfaction rates. Independent risk factors of noise generation were age (OR, 0.96; P = 0.006) and PS polyethylene (OR, 1.61; P = 0.043). Noise generation was associated with decreased patient-reported outcome measure scores ( P < 0.001).</p><p><strong>Conclusion: </strong>While there was no difference in anterior knee pain between PS and UC polyethylene designs, PS inserts exhibit higher rates of noise generation compared with UC. Noise generation had comparable satisfaction but was associated with decreased patient-reported outcome measure scores.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"135-144"},"PeriodicalIF":2.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141635606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xuetao Xie, Yi Zhu, Philipp Lobenhoffer, Congfeng Luo
{"title":"Intraoperative Complications in Medial Opening Wedge High Tibial Osteotomy.","authors":"Xuetao Xie, Yi Zhu, Philipp Lobenhoffer, Congfeng Luo","doi":"10.5435/JAAOS-D-23-01114","DOIUrl":"10.5435/JAAOS-D-23-01114","url":null,"abstract":"<p><p>Medial opening wedge high tibial osteotomy has been established for treatment of medial symptomatic knee arthrosis with varus malalignment in young and elderly but active patients. To obtain satisfactory results, it is essential for surgeons performing osteotomy to identify, prevent, and treat potential intraoperative adverse events. Lateral hinge fracture (LHF) is the most common intraoperative complication while popliteus artery injury is rare but limb-threatening. Computed tomography is the benchmark to detect LHF, the risk of which increased markedly with the opening gap larger than 11 mm. Setting the lateral hinge in a safe zone is the most important preventive measure. Medial long locking plate fixation may allow patients even with unstable hinge fractures to start early full weight bearing. Additional fixation of LHF is optional, and bone void filling is not routinely used. For protection of popliteus artery injury, flexing the knee joint is unreliable. It is paramount to place a protective retractor just behind the posterior tibial cortex toward the proximal tibiofibular joint before osteotomy, particularly in case of aberrant artery. A repertoire of surgical pearls is described in detail in this review to identify, prevent, and manage those intraoperative complications.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"101-107"},"PeriodicalIF":2.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142086412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Max Vaynrub, John H Healey, Carol D Morris, Farooq Shahzad
{"title":"Reconstruction of Internal Hemipelvectomy Defects After Oncologic Resection.","authors":"Max Vaynrub, John H Healey, Carol D Morris, Farooq Shahzad","doi":"10.5435/JAAOS-D-23-00502","DOIUrl":"10.5435/JAAOS-D-23-00502","url":null,"abstract":"<p><p>Internal hemipelvectomy is preferred to hindquarter amputation for pelvic tumor resection if a functional lower extremity can be obtained without compromising oncologic principles; multidisciplinary advances in orthopaedic and plastic surgery reconstruction have made this possible. The goals of skeletal reconstruction are restoration of pelvic and spinopelvic skeletal continuity, maintenance of limb length, and creation of a functional hip joint. The goals of soft-tissue reconstruction are stable coverage of skeletal, prosthetic, and neurovascular structures, elimination of dead space, and prevention of herniation. Pelvic resections are divided into four types: type I (ilium), type II (acetabulum), type III (ischiopubic rami), and type IV (sacrum). Type I and IV resections resulting in pelvic discontinuity are often reconstructed with vascularized bone flaps and instrumentation. Type II resections, which traditionally result in the greatest functional morbidity, are often reconstructed with hip transposition, allograft, prosthesis, and allograft-prosthetic composites. Type III resections require soft-tissue repair, sometimes with flaps and mesh, but generally no skeletal reconstruction. Extension of resection into the sacrum can result in additional skeletal instability, neurologic deficit, and soft-tissue insufficiency, necessitating a robust reconstructive strategy. Internal hemipelvectomy creates complex deficits that often require advanced multidisciplinary reconstructions to optimize outcomes and minimize complications.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"e124-e135"},"PeriodicalIF":2.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11747889/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142143477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Emily A Schultz, Thompson Zhuang, Lauren M Shapiro, Robin N Kamal
{"title":"Is Area-Level Social Vulnerability Index Associated With Patient-Level Health-Related Social Needs in Hand Surgery?","authors":"Emily A Schultz, Thompson Zhuang, Lauren M Shapiro, Robin N Kamal","doi":"10.5435/JAAOS-D-24-00989","DOIUrl":"https://doi.org/10.5435/JAAOS-D-24-00989","url":null,"abstract":"<p><strong>Background: </strong>Social drivers of health (SDOH) are area-level, nonmedical factors that affect health outcomes. By contrast, health-related social needs (HRSNs) are individual patient reported and are being deployed in some payment models. SDOH are often used to broadly represent health disparities of communities through metrics, such as the Social Vulnerability Index (SVI); however, the association of area-level SVI to individual HRSNs has not been well studied in hand surgery, which has implications for addressing social risks to improve health and in quality measurement.</p><p><strong>Methods: </strong>We conducted a prospective cohort study of new patients presenting to an outpatient hand surgery clinic. Patients completed a questionnaire that included demographic information, zip code, the Accountable Health Communities HRSNs Screening Tool, and the Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH). Following completion of the survey, zip code was used to calculate SVI. Cohen kappa coefficients (k) were calculated to measure interrater agreement between SVI and HRSNs, SVI and QuickDASH, and HRSNs and QuickDASH.</p><p><strong>Results: </strong>We included 80 patients in the study. The most commonly reported HRSNs were safety (33, 41.25%) followed by housing (14, 17.5%) and food (11, 13.75%). Seven SVIs were represented across the cohort. No notable agreement was observed between SVI and HRSNs. In addition, no notable agreement was observed between SVI or HRSNs and QuickDASH score.</p><p><strong>Conclusion: </strong>Although the importance of identifying SDOH is growing, the ability of these area-level measures to accurately reflect individual HRSNs is not well understood. HRSNs may represent an opportunity for patient-centered assessments of needs and to guide resource deployment to improve outcomes for hand surgery patients.</p><p><strong>Level of evidence: </strong>Level II prognostic study.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143025503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Letter to the Editor: Concerning \"Risk Factors Associated With Thromboembolic Complications After Total Hip Arthroplasty: An Analysis of 1,129 Pulmonary Emboli\".","authors":"Jingzhi Wang, Ranran Li, Yuanmin Zhang","doi":"10.5435/JAAOS-D-24-00455","DOIUrl":"https://doi.org/10.5435/JAAOS-D-24-00455","url":null,"abstract":"","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143025505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jason Silvestre, Abhishek Tippabhatla, John D Kelly, James D Kang, Pooya Hosseinzadeh
{"title":"Nature and Magnitude of Industry Payments to Fellowship Program Directors in Orthopaedic Surgery.","authors":"Jason Silvestre, Abhishek Tippabhatla, John D Kelly, James D Kang, Pooya Hosseinzadeh","doi":"10.5435/JAAOS-D-23-00729","DOIUrl":"10.5435/JAAOS-D-23-00729","url":null,"abstract":"<p><strong>Introduction: </strong>Previous research has highlighted conflicts of interest stemming from industry funding and education of orthopaedic surgeons. This study sought to define the nature and magnitude of industry payments to orthopaedic surgery fellowship program directors (FPDs) in the United States.</p><p><strong>Methods: </strong>This was a retrospective cohort study of orthopaedic surgery FPDs during 2021. Data were obtained from the Accreditation Council for Graduate Medical Education (ACGME) and Centers for Medicare and Medicaid Services. Profiles of orthopaedic surgery FPDs were obtained for ACGME-accredited and non-ACGME-accredited training programs. Nonresearch industry payments from 2015 to 2021 were extracted and adjusted for inflation. Temporal trends were analyzed through the calculation of compound annual growth rates. Comparisons were made with nonparametric tests.</p><p><strong>Results: </strong>Of 600 orthopaedic surgery FPDs, 596 received industry funding (99%), which totaled $340.6 million over the study period. A trend toward greater total annual industry payments over the study period was observed (compound annual growth rate = 3.3%, P = 0.009). Most industry payments were for royalties or licensing ($246.6 million, 72.4%) and consulting fees ($53.6 million, 15.7%). The median total payment per orthopaedic surgery FPD was $49,971 (interquartile range [IQR], $291,674), with 22% receiving between $100,000 and $500,000 and 17% receiving more than $500,000. The highest annual industry payments existed in shoulder and elbow ($41,489, IQR, $170,613) and spine surgery ($26,103; IQR, $84,968). ACGME accreditation status did not influence the magnitude of industry compensation to orthopaedic surgery FPDs across subspecialties ( P > 0.05). Men had higher total median annual industry payments versus women ($7,799 [IQR, $47,712] versus $1,298 [IQR, $6,169], P < 0.001).</p><p><strong>Discussion: </strong>Industry payments to orthopaedic surgery FPDs are ubiquitous, but the magnitude varies by subspecialty. Most industry funding was found in shoulder and elbow and spine surgery. Standards for orthopaedic fellowship education, such as those upheld by accrediting bodies, should include guidelines on how FPDs handle and disclose financial relationships with industry.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"e102-e113"},"PeriodicalIF":2.6,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142331907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jad Lawand, Abdullah Ghali, Al-Hassan Dajani, Peter Boufadel, Hachem Bey, Adam Khan, Joseph Abboud
{"title":"Nontobacco Nicotine Dependence and Rates of Periprosthetic Joint Infection and Other Postoperative Complications in Shoulder Arthroplasty: A Retrospective Analysis.","authors":"Jad Lawand, Abdullah Ghali, Al-Hassan Dajani, Peter Boufadel, Hachem Bey, Adam Khan, Joseph Abboud","doi":"10.5435/JAAOS-D-24-00706","DOIUrl":"10.5435/JAAOS-D-24-00706","url":null,"abstract":"<p><strong>Introduction: </strong>Nontobacco nicotine products, including e-cigarettes and vaping, are marketed as healthier alternatives to tobacco. However, the literature on nontobacco nicotine dependence (NTND) is scarce. It is important to analyze the influence of these products as they pertain to medical and surgical postoperative complications. This study hypothesizes that patients with NTND will experience more postoperative complications.</p><p><strong>Methods: </strong>Using the TriNetX database, which aggregates deidentified medical records from 89 healthcare organizations in the Research Network, Current Procedural Terminology and 10th revision of the International Classification of Diseases codes were used to identify patients undergoing primary shoulder arthroplasty (SA) from January 2012 to February 2024. Patients were divided into cohorts based on their NTND status before surgery. 90-day major medical complications and 2-year implant-related complications were assessed. Statistical analyses involved calculating risk ratios for postoperative complications.</p><p><strong>Results: </strong>This study analyzed a total of 89,910 SA patients, of which 6,756 were 1:1 propensity matched into NTND or control cohorts. Within the 90-day postoperative period, the NTND cohort exhibited significantly higher rates of sepsis (1.80 vs. 1.20, P = 0.012), surgical site infection (1.20 vs. 0.70%, P = 0.007), and wound disruptions (0.70 vs. 0.40%, P = 0.048), average opioids prescribed (4.46 vs. 3.338, P < 0.001), readmission (10.20% vs. 6.20%, P 0.001) compared with the non-NTND cohort. At the 2-year follow-up, mechanical loosening was notably higher in the NTND group (1.10 vs. 0.30%, P 0.001), as were rates of prosthetic joint infections (2.20 vs. 1.20%, P 0.001). No significant difference was observed for revision rates (3.20% vs. 2.90%, P = 0.269).</p><p><strong>Discussion: </strong>NTND is associated with higher 90-day rates of wound distruptions, infections, sepsis, as well as increased rates of mechanical loosening and prosthetic joint infection at 2 years postoperatively after SA. These results highlight the need for comprehensive NTND preoperative screening and tailored patient counseling in this patient population.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"92-99"},"PeriodicalIF":2.6,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142331908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jacob C Sorenson, Patrick M Ryan, Joel G Dennison, Russell A Ward, Douglas S Fornfeist
{"title":"The Power of Preference Signaling: A Monumental Shift in the Orthopaedic Surgery Application Process.","authors":"Jacob C Sorenson, Patrick M Ryan, Joel G Dennison, Russell A Ward, Douglas S Fornfeist","doi":"10.5435/JAAOS-D-24-00335","DOIUrl":"10.5435/JAAOS-D-24-00335","url":null,"abstract":"<p><strong>Introduction: </strong>Orthopaedic surgery has consistently been one of the most competitive specialties in the US residency selection process. This is due in part to the steady upward trend in average applications received per program and average applications submitted per applicant, which is of growing concern. With the implementation of the Preference Signaling Program, the total number of applications has now dropped for the first time in many years, indicating signaling may improve the application process. The hypothesis is that signaling has led to a decrease in applications sent by applicants and a decrease in applications received by programs.</p><p><strong>Methods: </strong>A 7-question survey regarding their interview and match statistics was sent to orthopaedic surgery residency programs that participated in the Electronic Residency Application Service during the 2023-2024 application cycle. A response from the program director/administrator was then recorded.</p><p><strong>Results: </strong>Our program search yielded 159 programs with 106 respondents (66.7%). 82 programs (78.8%) solely interviewed applicants who signaled their program. 92.7% of current interns signaled the program where they matched, and 88 programs (84.6%) matched only applicants who signaled. 95 programs (89.6%) revealed that implementing signaling has improved the application process.</p><p><strong>Conclusion: </strong>Most of the programs only interviewed applicants who also signaled, and nearly all matched orthopaedic surgery applicants from the 2022-2023 cycle signaled their matching program. Orthopaedic surgery applicants should consider only applying to 30 programs and using all 30 available signals. Applicants should also be more confident knowing that beyond the 30 signals they use, there is limited support to say that they will receive an interview outside of these 30 applications. Orthopaedic surgery programs will also now have the ability to allocate more time to applicants most interested in their program, given the reduction of applications.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"51-55"},"PeriodicalIF":2.6,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Carol A Mancuso, Roland Duculan, Frank P Cammisa, Andrew A Sama, Alexander P Hughes, Darren R Lebl, Federico P Girardi
{"title":"The Influence of Previous Joint Arthroplasty on Fulfillment of Patients' Expectations of Subsequent Lumbar Surgery.","authors":"Carol A Mancuso, Roland Duculan, Frank P Cammisa, Andrew A Sama, Alexander P Hughes, Darren R Lebl, Federico P Girardi","doi":"10.5435/JAAOS-D-24-00124","DOIUrl":"10.5435/JAAOS-D-24-00124","url":null,"abstract":"<p><strong>Introduction: </strong>Hip, knee, and lumbar spine surgeries are prevalent with arthroplasty often preceding lumbar surgery. The objective of this analysis was to ascertain whether previous arthroplasty was associated with patients' postlumbar surgery fulfillment of expectations.</p><p><strong>Methods: </strong>Identical systematically acquired data were pooled from 3 prospective studies that included assessments of preoperative expectations of lumbar surgery and 2-year postoperative assessment of fulfillment of expectations using a valid survey with points assigned for amount of improvement expected for symptoms and function. The proportion of expectations fulfilled was defined as total points for improvement received postoperatively divided by total points for improvement expected preoperatively (range 0 [no expectations fulfilled] to >1 [expectations surpassed]). Enrollment data included the expectations survey, demographic/clinical characteristics, Oswestry Disability Index (ODI) scores, and previous hip/knee arthroplasty. Postoperative data included follow-up expectations survey, ODI scores, and any spine complications. The proportion was the dependent variable in multivariable linear regression with demographic/clinical independent variables.</p><p><strong>Results: </strong>1137 patients were included (mean age 59 years, 51% male); 993 (87%) did not have previous arthroplasty, and 144 (13%) had arthroplasty (51 hip only, 77 knee only, 16 both hip/knee). Patients with any arthroplasty had similarly high expectations compared with patients with no arthroplasty but lower proportion of expectations fulfilled (0.69 versus 0.76, P = 0.03). In multivariable analysis, variables associated with a lower proportion of expectations fulfilled were greater preoperative expectations ( P < 0.0001), not working ( P < 0.0001), positive depression screen ( P = 0.0002), previous lumbar surgery ( P < 0.0001), previous arthroplasty ( P = 0.03), surgery on ≥3 vertebrae ( P = 0.007), less preoperative-to-postoperative ODI improvement ( P < 0.0001), and postoperative complications ( P < 0.0001).</p><p><strong>Conclusions: </strong>After accounting for a spectrum of highly associated covariates, patients with previous arthroplasty still had less fulfillment of expectations of subsequent lumbar surgery. For patients with previous arthroplasty, surgeons should discuss potential differences between arthroplasty and lumbar surgery during preoperative evaluations and during shared postoperative assessments of the outcome.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":"e93-e101"},"PeriodicalIF":2.6,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142512551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Perry L Lim, Anoop K Prasad, Mehdi S Salimy, Christopher M Melnic, Hany S Bedair
{"title":"Survivorship of Periprosthetic Joint Infection in Unicompartmental Knee Arthroplasty: A Single Healthcare System's 23-Year Experience.","authors":"Perry L Lim, Anoop K Prasad, Mehdi S Salimy, Christopher M Melnic, Hany S Bedair","doi":"10.5435/JAAOS-D-23-01202","DOIUrl":"https://doi.org/10.5435/JAAOS-D-23-01202","url":null,"abstract":"<p><strong>Introduction: </strong>Unicompartmental knee arthroplasty (UKA) is increasingly favored in clinical practice due to its favorable long-term survival rates, positive clinical outcomes, and expedited recovery. Periprosthetic joint infections (PJIs) remain a formidable complication in knee arthroplasty, and guidelines for the management are limited. This study aims to assess the failure rates of débridement, antibiotics, and implant retention (DAIR) in UKAs, providing insights into optimal treatment management and infection-free survival for PJI in this context.</p><p><strong>Methods: </strong>Twenty-five patients met the inclusion criteria of PJI, as defined by Musculoskeletal Infection Society criteria, and were retrospectively reviewed from January 2000 to September 2023. Surgical treatment included 17 DAIRs (78%), six one-stage revision procedures (20%), and three two-stage revision procedures (12%). Seventeen patients (78%) had acute hematogenous infections (<3 weeks of symptoms). Kaplan-Meier survivorship analysis was done for reinfection and revision procedures.</p><p><strong>Results: </strong>The overall infection-free survival and all-cause survival regardless of management at 3 years was 60.1% (95% confidence interval [CI], 45.7% to 89.6%) and 55.8% (95% CI, 38.2% to 81.5%), respectively. Both two-stage and one-stage revision procedures had an infection-free survivorship of 100% at 3 years (95% CI, 100% to 100%). DAIR treatment had an infection-free survival at 3 years of 41.6% (95% CI, 22.4% to 77.4%). Nine of 17 patients (53%) undergoing DAIR were unsuccessful and required subsequent second DAIR, one-stage, or two-stage revision procedures.</p><p><strong>Discussion: </strong>The efficacy of DAIR following PJI in UKA is notably limited, suggesting a need for reevaluation of its role in managing UKA PJIs. Given the absence of established guidelines for PJI management specifically tailored to UKA, there is an urgent and compelling need for future studies to elucidate optimal clinical strategies to allow for the best treatment for patients.</p><p><strong>Level of evidence: </strong>Level III, retrospective comparative study.</p>","PeriodicalId":51098,"journal":{"name":"Journal of the American Academy of Orthopaedic Surgeons","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2025-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143015593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}