Int Orthop. 2025 Mar 17. doi: 10.1007/s00264-025-06472-w. Online ahead of print.

ABSTRACT

PURPOSE: Study of the sagittal accuracy of the 'Robotic Surgical Assistant' (ROSA®), compared to conventional surgery, regarding the application of the tibial slope (TS). Study of the impact of TS on the range of motion (ROM) and patient-reported outcome measures (PROMS).

METHODS: Inclusion of patients who underwent primary Total Knee Arthroplasty (TKA) between 1/1/2021 and 15/4/2024. Divided into robotic-assisted TKA (RA-TKA) and manual TKA (M-TKA). Measurement of pre- and post-operative TS, using the posterior tibial cortex, on profile knee X-rays. 3° TS applied arbitrarily for both groups. ROM was measured pre-operatively and at three, six and 12 months post-operatively. Patient satisfaction assessed via Knee Injury and Osteoarthritis Outcome Score (KOOS) and Oxford Knee Score (OKS).

RESULTS: 266 patients were included in the study. The M-TKA (110) had a post-operative TS of 3.11° (± 2.12°). 81.21% were within 2° of the target and 92.87% within 3°. The RA-TKA (82) had a post-operative TS of -0.11° ± (1.93°). 36.83% were within 2° of the target and 56.63% within 3°. RA-TKA had a KOOS of 64.43 ± 12.87 and OKS of 33.05 ± 6.01. M-TKA had a KOOS of 64.18 ± 13.11 and OKS of 32.31 ± 5.97. Maximum flexion at 12 months was 118.74° ± 8.19° for M-TKA and 121.88° ± 7.43° for RA-TKA (p = 0.002).

CONCLUSION: The application of TS using ROSA® was less precise than the conventional method in achieving post-operative TS values as measured on X-rays. However, there were no clinical differences in ROM or PROMS.

PMID:40095071 | DOI:10.1007/s00264-025-06472-w

Int Orthop. 2025 Mar 17. doi: 10.1007/s00264-025-06494-4. Online ahead of print.

ABSTRACT

BACKGROUND: understanding the concept of multiple compression neuropathy syndrome has recently evolved, leading to better clinical assessment and evaluation. However, decompression of the involved nerves might require multiple incisions. Concomitant compression neuropathy, such as Lacertus Syndrome (LS) and cubital tunnel syndrome, is not uncommon. The traditional approach for releasing both nerves encompasses two separate surgical incisions. Minimazing surgical incisions is essential for postoperative scar management and nerve gliding. In this paper we describe a single surgical incision for releasing both compressions.

SURGICAL TECHNIQUE: To release the Lacertus Fibrosis using the classical surgical incision for cubital tunnel syndrome, an incision is made between the medial epicondyle and olecranon. After reaching the brachial fascia, the skin and subcutaneous tissue are raised as a one flap off the fascia. The lacertus fibrosis, identified as a thick rectangular or trapezoid stracture attached to the brachial fascia, is then incised to expose the median nerve beneath it.

CONCLUSION: As we advance towards the concept of multiple compression neuropathy, it is crucial to minimize surgical incisions to reduce pain, wound breakdown, scar formation, traction neuropathy, neuroma formation, and unsatisfactory aesthetic outcomes.

PMID:40095070 | DOI:10.1007/s00264-025-06494-4

Injury. 2025 Feb 28;56(4):112218. doi: 10.1016/j.injury.2025.112218. Online ahead of print.

ABSTRACT

OBJECTIVE: This study aimed to identify the optimal position for the femoral neck system (FNS) device when fixing Pauwels III #NOF, by analyzing the mechanical stability and stress distribution of FNS at different screw placement positions for the fixation of Pauwels III femoral neck fractures.

METHODS: We employed finite element analysis to create a 3D model of a Pauwels type III femoral neck fracture. Six models were designed, each with varied FNS screw placement positions. Axial stresses of 600 N, 1200 N, and 1800 N were applied to simulate physiological loads during different activities: standing on two legs, standing on one leg, and walking. The mechanical properties of these screw placements were assessed by comparing stress distribution, displacement, and fracture stability across models under varying load conditions.

RESULTS: Model 1, with the power rod aligned along the femoral neck axis, showed the best stability, with 42.40 % lower maximum VMS and 18.49 % less femoral displacement, compared to the worst model. Displacement of the internal fixation and fracture surface decreased by 21.72 % and 19.16 %, respectively. It also had superior results for internal fixation VMS and fracture surface compressive stress. Model 2, with the head screw centered axially, demonstrated good stability but had higher stress concentrations under 1800 N load. The displacement of the fracture surface and femur in model 2 increased by 18.37 % and 17.26 %, respectively, compared to model 1. Models 5 and 6, with the FNS nail near the lateral femoral cortex, showed significant stress concentrations, with compressive and shear forces rising by about 33 %. Model 5's maximum VMS increased by 46.68 %, and model 6's maximum compressive stress of the fracture surface increased by 46.37 %, compared to model 1. Models 3 and 4, with the power rod shifted up or down, displayed moderate stability, reducing displacement in some tests.

CONCLUSION: This finite element analysis highlights that centring the FNS power rod along the femoral neck axis significantly enhances fracture stability and minimises postoperative displacement. Conversely, poor screw placement may result in mechanical stress concentration, raising the risk of nonunion or malunion. Clinicians should prioritise screw placements with more excellent mechanical stability to optimise treatment outcomes.

PMID:40088553 | DOI:10.1016/j.injury.2025.112218

Injury. 2025 Mar 7;56(4):112258. doi: 10.1016/j.injury.2025.112258. Online ahead of print.

ABSTRACT

BACKGROUND: Recovery from a traumatic injury is a complex process that precipitates difficulties and isolation for survivors. Peers can provide valuable psychosocial support rooted in lived experience. The savings associated with peer support largely outweigh the costs. Despite this, research has yet to explore the ideal components of a cross-continuum peer support program or the factors that might impact its delivery.

OBJECTIVES: Understand the barriers/facilitators to integrating peer support across the continuum of care; and (2) Identify recommendations for the design and delivery of a cross-continuum peer support program.

METHODS: Qualitative descriptive approach. Interviews were conducted with trauma survivors (n = 16), caregivers (n = 4), and healthcare providers (HCPs) (n = 16). We employed an inductive thematic analysis to identify barriers and facilitators. We also conducted a deductive analysis using a framework for peer support interventions in physical medicine and rehabilitation to identify what should be included in a cross-continuum peer support program.

RESULTS: Barriers and facilitators included: (1) individual-level issues, (2) the physical and social environment, (3) clinical practice considerations, (4) finance and resourcing, and (5) organization/system issues. Peer support programming should be introduced early in recovery and continue into community living. Peer support programming should be offered flexibly (virtually or in-person) and provide: (1) education, (2) empowerment; and (3) social support. Participants agreed that a person with lived experience should be trained and centrally involved.

CONCLUSIONS: When designing peer support programming, we must consider who would benefit from support, what support should consist of, and ideal timing and mode of support delivery.

PMID:40088552 | DOI:10.1016/j.injury.2025.112258

Injury. 2025 Mar 8;56(4):112259. doi: 10.1016/j.injury.2025.112259. Online ahead of print.

ABSTRACT

BACKGROUND: Traumatic injuries significantly impact individuals' physical and mental health and are a leading cause of disability worldwide. Trauma recovery is complex and entails patients interacting with multiple places of care before returning to the community. Despite trauma recovery being optimized when patients' psychosocial needs are addressed early on and throughout recovery, care remains overwhelmingly focused on physical and functional improvement. Peer support is a cost-effective way of providing emotionally and experientially-driven psychosocial support that complements usual patient care. Thus, we aimed to explore the experiences of trauma survivors, family caregivers, and healthcare providers (HCPs) with engaging in and facilitating peer support and to identify their priorities for a future peer support program.

METHODS: Qualitative descriptive approach. Trauma survivors, caregivers and HCPs were recruited from three major trauma centres in Ontario. We conducted one-one-one interviews with participants which were recorded and transcribed. Data was thematically analyzed by multiple analysts to reduce bias and enhance data reliability.

RESULTS: We interviewed n=16 trauma survivors, n=4 caregivers, and n=16 HCPs. We identified four themes: (1) "It's a major change": Navigating life after injury is challenging and characterized by uncertainty; "I just needed somebody just to talk to:" Peer support helps trauma survivors feel like they're not alone; (3) "You can learn off each other": Peer support is multi-faceted and facilitates recovery in ways that other supports cannot; and (4) "If other people say negative things…that makes things worse": Tensions exist between the benefits of peer support and the risk of unintended negative consequences. Overall, to meet trauma survivors' socialization needs and enhance the efficacy of interventions, it is recommended that peer support to be offered via a range of modalities.

CONCLUSIONS: Our study demonstrates that peer support is valued across stakeholders and has the potential to positively impact the psychosocial health of trauma survivors throughout recovery. Future development of a cross-continuum peer support program will consider how to connect peers early on after injury and sustain these relationships into community recovery.

PMID:40088551 | DOI:10.1016/j.injury.2025.112259

Injury. 2025 Mar 4;56(4):112240. doi: 10.1016/j.injury.2025.112240. Online ahead of print.

ABSTRACT

INTRODUCTION: Lisfranc joint injuries are a severe cause of disruption of foot stability and function, often requiring surgical intervention such as open reduction and internal fixation (ORIF). The necessity of routine implant removal after healing remains controversial. This study aimed to compare functional recovery and postoperative complications among patients undergoing routine, on-demand, or no implant removal following ORIF for Lisfranc fracture-dislocations.

MATERIALS AND METHODS: This multicenter retrospective study analyzed 188 patients treated with ORIF for Lisfranc fracture-dislocations. Patients were divided into three groups: routine removal (RR), on-demand removal (ODR), and no removal (NR). Functional outcomes were evaluated using the American Orthopedic Foot and Ankle Society (AOFAS) midfoot score at the final follow-up. Complications were categorized as implant-related or post-removal. AOFAS midfoot scores and complication rates were compared between the three groups.

RESULTS: The median AOFAS midfoot scores at the final follow-up were 92 (IQR 83.00-95.00) in the RR group, 95 (IQR 85.00-95.00) in the ODR group, and 95 (IQR 82.00-95.00) in the NR group, with no significant differences among the three groups (p > 0.05). Implant-related complications were comparable across the groups, although irritation was significantly more frequent in the ODR group (42.9 %) than in the RR (24.4 %) and NR (11.9 %) groups (p = 0.013). Post-removal complications occurred in two cases in the RR group, including one case of loss of correction requiring reoperation.

CONCLUSION: Routine implant removal did not show superior outcomes in functional recovery or complication rates compared to selective removal or retention. Implant retention or selective removal based on individual needs minimizes complications and optimizes patient outcomes.

PMID:40088550 | DOI:10.1016/j.injury.2025.112240

Injury. 2025 Jan 23:112173. doi: 10.1016/j.injury.2025.112173. Online ahead of print.

ABSTRACT

Hemostatic resuscitation is a mainstay in the management of trauma patients. Factors such as blood loss and tissue injury contribute to coagulation and hemodynamic status imbalances. Hemorrhage remains a leading cause of death in trauma patients, despite advances in strategies such as damage control surgery, massive transfusion protocol, and intensive care. Conventional hemostatic resuscitation often involves a 1:1:1 ratio of red blood cells, plasma, and platelets. However, this ratio has disadvantages, especially in low-resource settings. Whole blood transfusion maintains a physiological rate of cells, clotting factors, and hemostatic properties. Advances in the whole blood elucidated a new opportunity for its implementation in civilian trauma centers. However, the effect of initial resuscitation with whole blood in trauma patients is unclear. This study aims to determine the effect of hemostatic resuscitation using whole blood on mortality and evolution of organ dysfunction in severe trauma patients compared to blood components therapy. This clinical trial attempts to resolve the debate and uncertainty of using whole blood vs. blood components. An open-label, randomized, prospective, single-center and controlled trial will be performed. Participants will be randomly assigned to receive either 3 units of whole blood or 3 units each of red blood cells and fresh frozen plasma, plus half an apheresis unit of platelets (equivalent to 3 platelet units). A second intervention of the same ratio will be administered if further transfusion is required. The primary outcome is a hierarchical composite outcome based on mortality at 28 days and the evolution of organ dysfunction. Organ dysfunction will be measured as the difference in the score between the fifth and first days of the SOFA (Sequential Organ Failure Assessment). Secondary outcomes are mortality, coagulopathy profile, intensive care unit free days, length of hospital stay, and volumes of transfusion requirements. Safety outcomes are complications related to transfusion and complications related to trauma (acute distress respiratory syndrome, pulmonary embolism, deep vein thrombosis, acute kidney injury with or without dialysis, stroke, myocardial infarction, cardiac arrest, sepsis, abdominal complications, abdominal compartment syndrome). TRIAL REGISTRATION: ClinicalTrials.gov: NCT05634109 - Whole Blood in Trauma Patients with Hemorrhagic Shock (WEBSTER).

PMID:40087111 | DOI:10.1016/j.injury.2025.112173

Injury. 2025 Mar 7;56(4):112237. doi: 10.1016/j.injury.2025.112237. Online ahead of print.

ABSTRACT

BACKGROUND: Assessment of intraoperative syndemsotic instability remains a controversial topic. To date, no study has directly compared 5 available methods.

MATERIALS AND METHODS: The purpose of the present study was to assess the reliability of five stress assessment methods (Cotton Hook, External Rotation, Arthroscopic, Direct Palpation, and Direct Visualization) across various syndesmotic injury conditions (ventral disruption, 2-ligament injury, and 3-ligament injury) in an in-vitro model. It was hypothesized that the Cotton Hook (CHT) and External Rotation (ER) methods would be the least reliable. A cadaveric model of syndesmotic injury was employed in eight through the knee specimens and assessments were performed.

RESULTS: Overall, direct visualization was most reliable for discerning syndesmotic disruption, irrespective of the injury condition (p = 0.01). Arthroscopic assessment was reliable in 2 and 3-ligament injury conditions (p < 0.05); while Cotton Hook and External Rotation were reliable in 3-ligament injuries (p = 0.01, p = 0.04). Arthoscopic, Cotton Hook, and External Rotation assessment(s) were unreliable for discerning isolated ventral disruption (anterior inferior tibiofibular ligament).

CONCLUSIONS: In the present cadaveric model, direct visualization of the anterolateral articular surface of the ankle was the most reliable method for discerning syndesmotic injury. Discontinuity of the articular surface between the anterolateral tibia and anteromedial fibula was readily identified in all injury conditions. Surgeons should be cognizant of the inherent subjectivity, and limited reliability of historically popularized syndesmotic stress assessment methods.

LEVEL OF EVIDENCE: Level V, cadaveric.

PMID:40086323 | DOI:10.1016/j.injury.2025.112237

J Bone Joint Surg Am. 2024 Mar 20;106(6):483-484. doi: 10.2106/JBJS.24.00066. Epub 2024 Mar 20.

NO ABSTRACT

PMID:40086829 | DOI:10.2106/JBJS.24.00066

Int Orthop. 2025 Mar 14. doi: 10.1007/s00264-025-06465-9. Online ahead of print.

ABSTRACT

BACKGROUND: The suprascapular and axillary nerves can be subject to entrapment due to both their anatomical courses and their anatomical relationships with surrounding anatomical structures around shoulder. These entrapments were previously considered as a diagnosis of exclusion. However, today these pathologies can be diagnosed as primary. The most common complaints of patients are pain and sometimes weakness. The clinician's suspicion is very important in making diagnosis. The patient's history, duration of symptoms, and information such as the movements in which the complaints increase should be questioned carefully and in detail. In physical examination, symmetrical evaluation of both shoulders can provide important information. In addition, cervical and brachial plexus pathologies should be kept in mind. According to the suprascapular and axillary nerve innervations, muscle atrophy should be evaluated during inspection. Range of motion and neurological examination around shoulder should be performed. Since these entrapments can be seen together with rotator cuff tears and labrum pathologies etc., these additional pathologies should also be targeted during evaluation. The evaluation should be expanded with imaging methods such as plain radiographs, ultrasonography, computed tomography, magnetic resonance imaging, electrodiagnostic studies and local anaesthetic injections to the entrapment area. There is no definitive method to diagnose these pathologies. As a result of all these evaluations, a diagnosis can be made. There is no consensus on treatment. In isolated entrapment cases where there are no additional surgical pathologies such as space-occupying lesions, non-operative treatment is primarily recommended. It is generally recommended to try non-operative treatment for at least six months. Surgical treatment is recommended in cases where non-operative treatment fails or in cases where there are additional pathologies requiring surgery or in cases where there is extrinsic compression such as sapce-occupying lesions. In the decision and choice of surgical treatment, it is very important to determine the aetiology precisely. Surgical treatment can be performed open and arthroscopically. Various additional arthroscopic portals and techniques have been described. However, there is no clear consensus on the superiority of these treatments over each other. Although physical therapy is recommended after surgical treatment, there is no consensus on this issue in the literature.

AIM: This review aims to summarize the diagnosis and management of suprascapular and axillary nerve entrapments in athletes, focusing on clinical presentation, diagnostic methods, treatment options, and current controversies.

PMID:40082300 | DOI:10.1007/s00264-025-06465-9

Int Orthop. 2025 Mar 14. doi: 10.1007/s00264-025-06493-5. Online ahead of print.

ABSTRACT

BACKGROUND: The role of lacertus fibrosis as the primary perpetrator behind the illusive pronator teres syndrome is becoming increasingly recognized in recent literature. The aim of this systematic review is to explore the outcomes of lacertus fibrosis release in patients complaining of proximal median nerve entrapment signs and symptoms.

METHODOLOGY: In this systematic review, Pubmed, Cochrane Library, Scopus, Ovid databases were reviewed. Studies in which structures, other than the lacertus fibrosus, in the proximal forearm had been concomitantly released were deemed illegible. Various outcome assessment tools were utilized; those were pain, numbness, and satisfaction visual analog scales, return of function and muscle strength, quick DASH, work DASH, and activity DASH scores. Adherence to PRISMA guidelines was maintained.

RESULTS: A total of seven studies, three interventional and 4 retrospective observational studies, were included in this review out of 118 articles. These included 446 participants who underwent lacertus fibrosis release with a mean age of 45 years old across a mean duration of postoperative follow-up of 16.1 months. A significant proportion of the patients had a history of unsuccessful conservative or surgical management (prior carpal tunnel release in 10.5%). Minimal access surgery under WALANT was performed in 95%, US-guided release under WALANT in 3.3%, and open exploration was done in 1.5%. A horizontal incision hidden in the elbow flexion creese was done in 74.2%, oblique incision 2 cm distal and 2 cm radial to the medial epicondyle in 20.8%, and open exploration through a Z-shaped incision over the antecubital fossa in 1.5%. Immediate pain relief and return of function and strength was reported in 99.6%. A significant improvement was reported in postoperative quick DASH (mean = 24 points), work DASH (mean = 28.8 points), and activity DASH (mean = 44.8 points). Further, a significantly lower VAS score was obtained on pain, numbness, and paraesthesia scales. There were two complications, a case of postoperative haematoma and another case of surgical site infection. Seven patients complained of residual symptoms by the end of the follow up duration; carpal tunnel release was done in three and release of superficialis arcade was necessitated in four other cases.

CONCLUSION: Lacertus syndrome can be optimally managed by surgically releasing the lacertus fibrosus. This can be done as a minimally invasive procedure under WALANT. A high index of suspicion is required when encountering patients with signs and symptoms of median nerve entrapment, specifically those who were treated unsuccessfully with the presumption of carpal tunnel syndrome.

PMID:40082299 | DOI:10.1007/s00264-025-06493-5

SICOT J. 2025;11:17. doi: 10.1051/sicotj/2025012. Epub 2025 Mar 13.

ABSTRACT

INTRODUCTION: Numerous multimodal pain protocols have been developed to optimize pain control, reduce narcotics consumption, and shorten the length of stay after total hip and knee arthroplasty (THA/TKA). Liposomal bupivacaine (LB) has been postulated to reduce narcotic requirements after arthroplasty but is not without additional cost. The aim of this study was to determine if the addition of LB to our standard periarticular injection would improve postoperative pain and shorten the length of stay in patients undergoing TKA or THA.

METHODS: We performed a prospective randomized, blinded non-inferiority study of patients undergoing THA and TKA. Patients were randomized to a periarticular injection with and without LB. There were 118 hips and 64 knees included in the study with no demographic differences between groups. Post-operative pain management was performed by a second provider who was blinded to the patient's experimental group designation.

RESULTS: Cost analysis determined that LB increased cost by $305 dollars per patient when accounting for the cost of injections as well as intravenous and oral pain medications. LB led to a minor reduction in narcotic use in THA patients (equivalent to a single 10 mg oxycodone dose), but this difference may lack clinical relevance. No significant benefits were observed in TKA patients. No difference was identified in self-reported pain scores or lengths of hospital stay.

DISCUSSION: The addition of LB did not significantly reduce narcotic consumption in patients undergoing TKA, while the cost of LB is prohibitive and should be considered an area of potential cost savings by surgeons and hospitals. The minor reduction in narcotic use in patients undergoing THA likely lacks clinical significance.

PMID:40079611 | PMC:PMC11905768 | DOI:10.1051/sicotj/2025012

SICOT J. 2025;11:16. doi: 10.1051/sicotj/2025011. Epub 2025 Mar 13.

ABSTRACT

INTRODUCTION: Dedifferentiated chondrosarcoma (DDCS) is a high-grade subtype of chondrosarcoma with a poor prognosis. Treatment for localized DDCS generally involves wide resection; the effectiveness of adjuvant radiotherapy and chemotherapy is questionable. This research was designed to find prognostic factors for DDCS and evaluate the impact of adjuvant therapies on localized cases.

METHODS: One hundred thirty-two patients with DDCS diagnosed by pathology in the period 2006 to 2022 were identified in the Japanese National Bone and Soft Tissue Tumor Registry database and were retrospectively analyzed.

RESULTS: Patients with distant metastases at diagnosis (n = 34) had significantly poorer survival than those without metastases (n = 98), with a 5-year disease-specific survival (DSS) of 9.7% vs. 37.1% (P < 0.0001). For patients without distant metastasis at diagnosis, uni- and multivariate analysis showed that R1 or R2 surgical margin was an independent risk factor linked with unfavorable local recurrence (hazard ratio [HR] 3.39 [95% CI: 1.35-8.52]; P = 0.010). Adjuvant radiotherapy was not associated with local recurrence (HR 2.41 [95% CI: 0.87-6.64]; P = 0.090). Larger size (HR 1.13 [95% CI: 1.06-1.19]; P < 0.001) and no surgery (HR 3.87 [95% CI: 1.61-9.28]; P = 0.002) were independent risk factors for unfavorable DSS. Previous surgery (HR 0.19 [95% CI: 0.04-0.84]; P = 0.028) and adjuvant chemotherapy (HR 0.36 [95% CI: 0.16-0.77]; P = 0.009) were independent risk factors for favorable DSS.

DISCUSSION: Survival may have been improved by chemotherapy, but the effect of adjuvant radiotherapy in controlling the local spread of the tumor appears to have been limited in DDCS cases that were localized.

PMID:40079610 | PMC:PMC11905765 | DOI:10.1051/sicotj/2025011

SICOT J. 2025;11:15. doi: 10.1051/sicotj/2025009. Epub 2025 Mar 13.

ABSTRACT

PURPOSE: The Anterior Cruciate Ligament Return to Sports after Injury scale (ACL-RSI) has been translated and culturally adapted into the Thai version. This study aimed to evaluate the reliability and validity of the Thai ACL-RSI for athletes recovering from ACL reconstruction.

METHODS: This study was a cross-sectional study. Forward-backward translation, cultural adaptation, and validation of the Thai ACL-RSI were performed and tested in 40 athletes (8 females, 32 males; mean age 30.2 ± 7.32 years; mean body weight 70.7 ± 13.36 kg; mean height 170.1 ± 6.53 cm; mean body mass index 24.5 ± 3.74 kg/m2; mean time from surgery to evaluation 8.43 ± 1.83 months). Participants completed the translated Thai ACL-RSI and the validated Thai Tampa Scale of Kinesiophobia (TSK). The Thai ACL-RSI underwent content validity, internal consistency, reliability, and construct validity assessment.

RESULTS: The Thai ACL-RSI demonstrated commendable content validity (item-objective congruence index [IOC] 0.91), internal consistency (Cronbach's alpha coefficient 0.84), and test-retest reliability (intraclass correlation coefficient [ICC] 0.75). There was a significant negative correlation with TSK (r = -0.67, p < 0.001).

CONCLUSION: The Thai ACL-RSI is validated, reliable, and consistent with the Thai TSK. This instrument can potentially measure psychological factors influencing preparedness for sports participation after ACL reconstruction. The evaluation of return-to-sport readiness should involve a multidisciplinary approach, including surgeons, physiotherapists, and psychologists, to ensure a comprehensive assessment of physical, functional, and psychological factors.

PMID:40079609 | PMC:PMC11905766 | DOI:10.1051/sicotj/2025009

SICOT J. 2025;11:14. doi: 10.1051/sicotj/2025006. Epub 2025 Mar 13.

ABSTRACT

INTRODUCTION: Dual mobility cups are characterized by having a prosthetic head inside a polyethylene core that later articulates with a metal cup implanted in the acetabulum. These cups can be cemented or uncemented. This study aimed to determine the survival of a cemented dual-mobility cup (CDMC) with a cobalt-chromium head (CoCr) and the quality of life (QOL) of operated patients.

METHODOLOGY: Multicenter historical cohort study where survival and QOL were estimated. The cohort includes patients who underwent a primary total hip arthroplasty (THA) with a CDMC and CoCr head. The patients were operated on between 2011 and 2013.

RESULTS: 40 patients from 6 institutions with a median age of 81 (IQR 22.25) years. The results in the Kaplan-Meier estimation showed a survival of 94.2% (95% CI [86.6% - 100%]) at 5 years and a maximum follow-up of 9.5 years. Three failures occurred (two dislocations and one mechanical loosening), and Oxford Hip Scale (OHS) of 41.5 (IQR 10.50) points was recorded.

CONCLUSIONS: In terms of survival and the score obtained in the OHS, the CDMC has comparable results with the scientific literature found on uncemented dual mobility cups. This demonstrates adequate results in patients with a maximum follow-up of 9.5 years.

PMID:40079608 | PMC:PMC11905767 | DOI:10.1051/sicotj/2025006

Injury. 2025 Feb 19;56(4):112220. doi: 10.1016/j.injury.2025.112220. Online ahead of print.

ABSTRACT

BACKGROUND: The Lower Extremity Assessment Project (LEAP) and Military Extremity Trauma Amputation/Limb Salvage Study (METALS) reported conflicting results with respect to severe lower extremity injuries treated with limb salvage versus amputation. The LEAP study reported no difference between amputation and limb salvage groups, while the METALS study reported improved outcomes with amputation. The purpose of this study was to re-evaluate the METALS data to determine whether the ankle/hindfoot injuries were the main driver of the results of improved outcome with amputation.

METHODS: This is a retrospective secondary analysis of METALS data including military personnel deployed to Afghanistan or Iraq between 2003 and 2007 with severe lower extremity combat injuries. METALS patients with a unilateral transtibial amputation, or unilateral limb salvage of a qualifying injury distal to the femoral condyles were included. Amputation patients were compared to two separate limb salvage groups: severe ankle/hindfoot injuries (ie. ankle/hindfoot salvage group) versus mid/proximal tibia injuries (ie proximal limb salvage group). Short Musculoskeletal Function Assessment (SMFA) scores were compared between groups. Multivariable regression models compared outcomes across treatment groups, adjusting for age, race/ethnicity, time from injury, combat experience, and social support.

RESULTS: 161 patients were included: 60 amputation, 41 ankle/hindfoot salvage, 62 proximal limb salvage. Amputation patients reported better function (lower SMFA scores) compared to both limb salvage groups for the daily activities sub-score. Amputation patients reported better function than proximal salvage patients in all domains. There was no difference in SMFA scores between the two limb salvage groups. On adjusted analysis, amputation patients reported significantly better function for total dysfunction and daily activity scores than either limb salvage group.

CONCLUSIONS: This secondary analysis of the METALS data reveals that amputation resulted in superior functional outcomes compared to limb salvage after both ankle/hindfoot and more proximal tibial combat related injuries. This study highlights differences between civilian and military traumatic extremity injuries and indicates that treatment results cannot be generalized between populations.

LEVEL OF EVIDENCE: Prognostic Level II.

PMID:40081154 | DOI:10.1016/j.injury.2025.112220

Int Orthop. 2025 Mar 13. doi: 10.1007/s00264-025-06490-8. Online ahead of print.

NO ABSTRACT

PMID:40080131 | DOI:10.1007/s00264-025-06490-8

Int Orthop. 2025 Mar 13. doi: 10.1007/s00264-025-06487-3. Online ahead of print.

ABSTRACT

PURPOSE: The full spectrum of diseases caused by S. infantarius remains poorly understood, particularly its role in musculoskeletal infections.

METHODS: A retrospective study was conducted from January 2008 to May 2024. Patients with bacterial infections and detection of S. infantarius in at least one tissue sample, fluid sample, or blood cultures were included. Follow-up controls in patients with musculoskeletal infection were performed.

RESULTS: S. infantarius could be identified in at least one sample (blood cultures, wound fluid, wound swab, bile, tissue or urine sample) of 72 patients. 33 were considered clinically relevant with symptomatic infections (63.4 ± 21.1 years; positive samples: 1.39 ± 0.86; total number of samples: 2.7 ± 1.76). Non-muskuloskeletal infections (n = 29; 61.1 ± 21.5 years; positive samples: 1.28 ± 0.59) included a variety of different infections (sepsis (n = 11), abdominal/gastrointestinal/urogenital infections (n = 16), soft tissue infections (n = 2)). Four patients with musculoskeletal S. infantarius infection (positive samples: 2.25 ± 1.89; diagnosis: acute PJI, spondylodiscitis, chronic PJI and postoperative spinal wound infection) required surgical and/or antimicrobial treatment. Follow-up after musculoskeletal infection varied between 10 and 60 months. Antibiotic susceptibility testing displayed a sensitivity to Penicillin in all isolates. No patient had a recurrent positive sample/infection with S. infantarius.

CONCLUSIONS: This study describes musculoskeletal infections caused by S. infantarius, highlighting its possible relevance as pathogen in orthopedic infections. The findings underscore the importance of recognizing and appropriately treating S. infantarius. In case of penicillin allergy, clindamycin shows to be an effective alternative treatment.

PMID:40080130 | DOI:10.1007/s00264-025-06487-3

Int Orthop. 2025 Mar 13. doi: 10.1007/s00264-025-06480-w. Online ahead of print.

ABSTRACT

PURPOSE: The prevalence of carpal tunnel syndrome (CTS) as the foremost upper extremity entrapment neuropathy is well-documented. The present study aimed to evaluate the prevalence of anatomical variations in the carpal tunnel and their potential role as risk factors for CTS.

METHODS: Data from 447 CTS patients who underwent median nerve decompression between 2018 and 2019 were retrospectively analyzed. As a control group, 200 hands from 103 age- and sex-matched asymptomatic volunteers were further investigated.

RESULTS: Anatomical variations identified through ultrasound in 19.7% of CTS hands and 16.0% of controls. Specifically, 10.3% of CTS hands had persistent median arteries, while 14.3% had bifid median nerves. Both variations occurred in 4.9% of CTS patients. In the control group, 13.0% had persistent median arteries and 11.0% had bifid median nerves, with both found in 8.0%.

CONCLUSIONS: Anatomical variations were found in both, CTS patients and controls, but their prevalence did not differ significantly between groups, suggesting they are not independent risk factors for CTS.

PMID:40080129 | DOI:10.1007/s00264-025-06480-w