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Bone & Joint Open
Vol. 6, Issue 3 | Pages 328 - 335
12 Mar 2025
Logishetty K Verhaegen JCF Tse S Maheswaran T Fornasiero M Subbiah Ponniah H Hutt JB Witt JD

Aims. The effectiveness of total hip arthroplasty (THA) for patients with no or minimal radiological signs of osteoarthritis (OA) is unclear. In this study, we aimed to: 1) assess the outcome of such patients; 2) identify patient comorbidities and CT or MRI findings which predicted outcome; and 3) compare their outcome to the expected outcome of THA for hip OA. Methods. Adult patients undergoing THA for hip pain, with no or minimal radiological features of OA (Tönnis grading scale ≤ 1), were identified from a consecutive series of 1,925 THAs. Exclusion criteria were: inflammatory arthritis; osteonecrosis of the femoral head; prior trauma or infection; and patients without minimum one-year follow-up and patient-reported outcome measures (PROMs). The primary outcome measure was the Oxford Hip Score (OHS). Secondary outcome measures were EuroQol-visual analogue scale (EQ-VAS), University of California and Los Angeles (UCLA) scale, and patient satisfaction on a validated three-point ‘better’, ‘same’, or ‘worse’ scale. Results. A total of 107 patients with a median age of 41 years (IQR 18 to 73) were included, with mean follow-up of 6.0 years (SD 3.1). All patients underwent a diagnostic hip injection as a decision aid. Median postoperative OHS was 34 (IQR 28 to 42), with 36 patients (33%) achieving a patient-acceptable symptom state (OHS ≥ 42), lower than THA patients in international registries (40 to 43 points). Secondary outcomes were UCLA of 6 (4 to 8) and EQ-VAS of 73 (51 to 80); 91/102 patients (89%) felt ‘better’ and would ‘undergo surgery again'. Patients with chronic pain syndrome or hypermobility had lower OHS than patients without comorbidities (-6 points, p < 0.006). Overall, 84 patients had a CT and 34 patients an MRI. Patients with subchondral cysts (OHS 42 (37 to 45) vs 35 (26 to 36); p = 0.014) or joint space narrowing on CT (OHS 42 (IQR 37 to 44) vs 35 (26 to 36); p = 0.022) had higher function. Conclusion. Despite high satisfaction levels, patients undergoing THA with minimal or no radiological OA had lower postoperative function than typical THA patients. We recommend obtaining low-dose CT imaging and a diagnostic hip injection to aid decision-making. Cite this article: Bone Jt Open 2025;6(3):328–335


Bone & Joint Open
Vol. 6, Issue 3 | Pages 298 - 311
8 Mar 2025
Alt V Szymski D Rupp M Fontalis A Vaznaisiene D Marais LC Wagner C Walter N

Aims

Periprosthetic joint infections (PJIs) pose significant challenges to patients and healthcare systems worldwide. The aim of this study was to estimate the health-economic burden of reimbursement payment in Europe for PJIs following primary hip and knee arthroplasty.

Methods

The calculation was based on health-economic modelling using data on primary hip and knee arthroplasties for the year 2019 from the Statistical Office of the European Union (Eurostat) and published infection rates to estimate the total number of hip and knee PJIs in 30 European countries. Revision procedures were stratified into: 1) debridement, antibiotics, and implant retention (DAIR); 2) one-stage exchange; and 3) two-stage revision procedures. The cases were then multiplied by the respective healthcare system reimbursement payments. Payment data were acquired from a survey of 13 countries (Austria, Croatia, France, Germany, Italy, Lithuania, Netherlands, Norway, Portugal, Slovenia, Switzerland, Turkey, and the UK) and extrapolated for the remaining countries.


Bone & Joint Open
Vol. 6, Issue 3 | Pages 275 - 290
6 Mar 2025
Mazarello Paes V Ting A Masters J Paes MVI Tutton E Graham SM Costa ML

Aims

Performance indicators are increasingly used to evaluate the quality of healthcare provided to patients with a hip fracture. The aim of this review was to map the variety of performance indicators used around the world and how they are defined.

Methods

We present a mixed methods systematic review of literature on the use of performance indicators in hip fracture care. Evidence was searched through 12 electronic databases and other sources. A Mixed Methods Appraisal Tool was used to assess methodological quality of studies meeting the inclusion criteria. A protocol for a suite of related systematic reviews was registered at PROSPERO (CRD42023417515).


The Bone & Joint Journal
Vol. 107-B, Issue 3 | Pages 362 - 367
1 Mar 2025
Goh EL Png ME Metcalfe D Achten J Appelbe D Griffin XL Cook JA Costa ML

Aims

The risk of mortality after a hip fracture has been extensively investigated, but there is little high-quality information available dealing with the overall risk of complications. The aim of this study was to report the risk of complications in the first 120 days after a hip fracture.

Methods

This was a multicentre, prospective cohort study of patients aged > 60 years with a hip fracture, involving 77 hospitals in England, Wales, and Northern Ireland, between January 2015 and 2022. The primary outcomes of interest were mortality and surgery-specific and general complications, at 120 days postoperatively.


The Bone & Joint Journal
Vol. 107-B, Issue 3 | Pages 337 - 345
1 Mar 2025
Wang D Wang Q Cui P Wang S Han D Chen X Lu S

Aims

Adult spinal deformity (ASD) surgery can reduce pain and disability. However, the actual surgical efficacy of ASD in doing so is far from desirable, with frequent complications and limited improvement in quality of life. The accurate prediction of surgical outcome is crucial to the process of clinical decision-making. Consequently, the aim of this study was to develop and validate a model for predicting an ideal surgical outcome (ISO) two years after ASD surgery.

Methods

We conducted a retrospective analysis of 458 consecutive patients who had undergone spinal fusion surgery for ASD between January 2016 and June 2022. The outcome of interest was achievement of the ISO, defined as an improvement in patient-reported outcomes exceeding the minimal clinically important difference, with no postoperative complications. Three machine-learning (ML) algorithms – LASSO, RFE, and Boruta – were used to identify key variables from the collected data. The dataset was randomly split into training (60%) and test (40%) sets. Five different ML models were trained, including logistic regression, random forest, XGBoost, LightGBM, and multilayer perceptron. The primary model evaluation metric was area under the receiver operating characteristic curve (AUROC).


The Bone & Joint Journal
Vol. 107-B, Issue 3 | Pages 322 - 328
1 Mar 2025
Walker T Freericks J Mick P Trefzer R Lunz A Koch K Renkawitz T Hariri M

Aims

Unicompartmental knee arthroplasty (UKA) is one option in the treatment of isolated unicompartmental advanced osteoarthritis (OA). While long-term results exist for medial mobile-bearing (MB) UKA, evidence regarding lateral MB-UKA is still limited. The Oxford Domed Lateral (ODL) implant aims to reduce the bearing dislocation rate in lateral MB-UKA through enhanced bearing entrapment. However, the long-term performance of this implant remains unclear. This study evaluated the long-term survival and clinical outcomes of the ODL in a non-designer centre.

Methods

This single-centre retrospective analysis included 115 lateral MB-UKAs using the ODL performed between January 2006 and December 2014. The primary endpoint of the study was implant survival, defined as the time until a revision procedure was required for any reason. Secondary outcomes included Oxford Knee Score (OKS), Forgotten Joint Score (FJS), pain, satisfaction, and Tegner Activity Scale (TAS). Survival was assessed using Kaplan-Meier analysis.


The Bone & Joint Journal
Vol. 107-B, Issue 3 | Pages 308 - 313
1 Mar 2025
Tang H Ling DI Hsu S Chuang C Hsu K Ku LE

Aims. Core decompression is a commonly performed procedure to treat osteonecrosis of the femoral head (ONFH) prior to femoral head collapse. The aim of the study was to identify the incidence of hip arthroplasty after core decompression and the potential risk factors for conversion through a nationwide population-based study. Methods. Patients who received core decompression for ONFH between 1 January 2009 and 31 December 2018 and were followed up until 31 December 2019 (mean 33 months (0.2 to 132)) were retrieved from Taiwan’s National Health Insurance claims database. A total of 2,918 patients were identified and included in the study. The mean age at the time of core decompression was 46 years (SD 12.5), with a male-to-female ratio of 7:3. The first total hip arthroplasty or hip hemiarthroplasty after the index core decompression was considered as the outcome of conversion to hip arthroplasty. For the analysis of conversion risk, patients’ demographic characteristics, economic status, comorbidities, and data on the type of hospital and surgeons’ experience were included. Results. Overall, 20.05% of patients received a hip arthroplasty within six months following core decompression, with the incidence rising to 60.6% by five years and 66.4% by ten years. Multivariable analysis revealed that patients aged over 40 years (HR 1.18 (95% CI 1.07 to 1.30); p = 0.002), who had a history of alcohol abuse (HR 1.57 (95% CI 1.22 to 2.02); p < 0.001), and had their procedures performed at district-level hospitals (HR 1.13 (95% CI 1.00 to 1.26; p = 0.044), were at increased risk of conversion to hip arthroplasty following core decompression. Conclusion. The five- and ten-year cumulative incidence of conversion to hip arthroplasty after core decompression was 60.6% and 66.4%, respectively. Significant risk factors for conversion to hip arthroplasty included age over 40 years, history of alcohol abuse, and procedures performed at district hospitals. Cite this article: Bone Joint J 2025;107-B(3):308–313


The Bone & Joint Journal
Vol. 107-B, Issue 3 | Pages 353 - 361
1 Mar 2025
Stokholm R Larsen P Rölfing JD Petruskevicius J Rasmussen MK Jensen SS Elsøe R

Aim

One of the most common patient-reported complaints following intramedullary nailing (IMN) of tibial shaft fractures is anterior knee pain reported by 10% to 80% of patients. The present study aimed to compare the 12-month Knee injury and Osteoarthritis Outcome Score (KOOS) sport and recreation activities subscale (sport/rec) scores after IMN with external ring fixation (RF) to adult patients with tibial shaft fractures.

Methods

This study was a pragmatic multicentre randomized, non-blinded trial, with two-group parallel design. Included were adult patients (aged ≥ 18 years) presenting with an acute tibial shaft fracture deemed operable with an intramedullary nail. The primary outcome was the KOOS sport/rec, ranging from 0 (worst score) to 100 (best score) at 12-month follow-up. Secondary outcomes included the Foot and Ankle Outcome Score (FAOS), health-related quality of life assessed by EuroQol five-dimension five-level health questionnaire, and pain scores.


Bone & Joint Open
Vol. 6, Issue 2 | Pages 227 - 236
26 Feb 2025
de Haas LEM van de Lücht VAP van Hoorn BT Salentijn DA Groenwold RHH Schep NWL van Heijl M

Aims. To evaluate patient-reported outcomes three months after treatment of metacarpal and phalangeal fractures or dislocations, and to identify factors that are associated with worse patient-reported outcomes. Methods. This cross-sectional, multicentre snapshot study included all adult patients with metacarpal and phalangeal fractures or dislocations during a three-month period between August and October 2020. The primary outcome was the Michigan Hand Outcomes Questionnaire (MHQ) three months after injury. The MHQ scores were compared to normative MHQ scores of 90 points of the affected hand of patients who sustained unilateral trauma derived from a previous study. Subgroup analyses were performed for the most common injury types. Multivariable linear regression was used to study associations between patient characteristics and worse MHQ scores. Results. The MHQ scores of 512 patients were analyzed. The median MHQ score was 80 (IQR 65 to 91) for nonoperatively treated patients (n = 398) and 78 (IQR 66 to 85) for operatively treated patients (n = 114). After nonoperative treatment, 104/398 patients (26%) reached a MHQ score equal to or better than the normative MHQ score, ranging between 11% (1/9) and 42% (13/31) among the nine most common injury types. After operative treatment, this was 11% (13/114), ranging between 10% (3/29) and 31% (5/16) among the three most common injury types. No significant differences in MHQ scores were found between common injury types. Older age, the presence of hand comorbidities, and referral to hand therapy were associated with a worse MHQ score after nonoperative treatment. Conclusion. These results suggest that most patients have not returned to a normal hand function within three months following metacarpal and phalangeal fractures or dislocations. Older age, the presence of hand comorbidities, and referral for hand therapy were associated with worse hand functioning after nonoperative treatment. The findings are relevant for clinicians to evaluate recovery and for patients to manage their expectations. Cite this article: Bone Jt Open 2025;6(2):227–236


Bone & Joint Research
Vol. 14, Issue 2 | Pages 136 - 142
20 Feb 2025
Walter N Loew T Hinterberger T Mohokum M Alt V Rupp M

Aims

Fracture-related infections (FRIs) are a major concern for patients and healthcare systems, yet their impact on mental health has been largely overlooked. This study aimed to assess the longitudinal impact of FRI on patients’ quality of life.

Methods

A prospective study was conducted at a level 1 trauma centre between January 2020 and December 2022. In total, 56 patients participated, with quality of life assessed at five timepoints: one week preoperatively, and one, three, six, and 12 months postoperatively. Statistical analysis was performed using repeated measures analysis of variance (ANOVA) with adjusted post-hoc analysis.


Bone & Joint Open
Vol. 6, Issue 2 | Pages 126 - 134
4 Feb 2025
Schneller T Kraus M Schätz J Moroder P Scheibel M Lazaridou A

Aims

Machine learning (ML) holds significant promise in optimizing various aspects of total shoulder arthroplasty (TSA), potentially improving patient outcomes and enhancing surgical decision-making. The aim of this systematic review was to identify ML algorithms and evaluate their effectiveness, including those for predicting clinical outcomes and those used in image analysis.

Methods

We searched the PubMed, EMBASE, and Cochrane Central Register of Controlled Trials databases for studies applying ML algorithms in TSA. The analysis focused on dataset characteristics, relevant subspecialties, specific ML algorithms used, and their performance outcomes.


Bone & Joint 360
Vol. 14, Issue 1 | Pages 15 - 18
1 Feb 2025

The February 2025 Hip & Pelvis Roundup360 looks at: Postoperative periprosthetic femoral fractures after hip arthroplasty: quantifying the other half of the picture; Hip arthroscopy in patients with borderline dysplasia: how do we know when it will not work?; The morbidly obese patient remains a challenge for arthroplasty surgeons; Unexpected positive cultures in aseptic revision hip and knee arthroplasty: does it make a difference?; Failed spinal anaesthesia in hip and knee arthroplasty surgery; Clinical failure of femoral neck fracture is associated with varus necks; Navigating the angles: how variations in femoral and acetabular versions influence hip pain and treatment; High-tech or hands-on? Similar outcomes in direct anterior total hip arthroplasty.


The Bone & Joint Journal
Vol. 107-B, Issue 2 | Pages 204 - 212
1 Feb 2025
Trouwborst NM Oldhoff MGE ten Duis K van Helden SH Hermans E Jaarsma RL van Lieshout EMM Reininga IHF Tromp TN Verhofstad MHJ de Vries JPM Wijffels MME Meesters AML IJpma FFA

Aims

The aim of the study was to apply 3D measurements for fracture displacement in minimally to moderately displaced acetabular fractures treated nonoperatively, and to evaluate whether this measurement can be used to estimate the likelihood of conversion to total hip arthroplasty (THA) at follow-up.

Methods

A multicentre, cross-sectional study was performed on 144 patients who were treated nonoperatively for an acetabular fracture in four level 1 trauma centres between January 2000 and December 2020. For each patient, fracture displacement was measured on CT-based 3D models. The 3D gap area represents fracture displacement (mm2) between all fracture fragments. A receiver operating characteristic curve was generated to determine a 3D gap area threshold representing the optimal sensitivity and specificity to predict conversion to THA. Native hip survival was reported using Kaplan-Meier curves. Predictors of conversion to THA were determined using Cox regression analysis.


Bone & Joint 360
Vol. 14, Issue 1 | Pages 23 - 26
1 Feb 2025

The February 2025 Foot & Ankle Roundup360 looks at:Percutaneous Zadek osteotomy for insertional Achilles tendinopathy; Association of extraosseous arterial diameter with talar dome osteochondral lesions; Autologous chondrocyte implantation for osteochondral lesions of the talus; Symptomatic thromboembolism and mortality in foot and ankle surgery in the UK; Corticosteroid or hyaluronic acid in Morton’s neuroma?


Bone & Joint 360
Vol. 14, Issue 1 | Pages 7 - 10
1 Feb 2025
Ollivere B


The Bone & Joint Journal
Vol. 107-B, Issue 2 | Pages 139 - 148
1 Feb 2025
Goh EL Khatri A Costa AB Ting A Steiner K Png ME Metcalfe D Cook JA Costa ML

Aims

Older adults with hip fractures are at high risk of experiencing complications after surgery, but estimates of the rate of specific complications vary by study design and follow-up period. The aim of this systematic review was to determine the prevalence of complications in older adults after hip fracture surgery.

Methods

MEDLINE, Embase, CINAHL, and CENTRAL databases were searched from inception until 30 June 2023. Studies were included if they reported prevalence data of complications in an unselected, consecutive population of older adults (aged ≥ 60 years) undergoing hip fracture surgery.


The Bone & Joint Journal
Vol. 107-B, Issue 2 | Pages 135 - 138
1 Feb 2025
Costa ML Greenwood C Nixon J

Hip fractures commonly occur in older patients, with high levels of frailty and comorbidity. Many of these patients have limited mobility before their fracture, and even after surgery, their mobility may remain limited. It is therefore not surprising that they are at a high risk of developing pressure sores, particularly on their heels, and a variety of devices and interventions have been proposed to reduce this risk. Foam or air mattresses, designed to reduce contact pressure on the patient’s whole body, are now routinely used in many healthcare systems. However, there is wide variation in their design. We developed the WHiTE 14;PRESSURE 3 trial to address the lack of evidence in this area. This is a three-arm multicentre randomized trial including health economic evaluation and recruiting patients from NHS hospitals in the UK. The trial compares standard strategies for the prevention of pressure sores with standard care plus a constant low-pressure device and with standard care plus a heel off-loading device. This annotation describes the development of this trial. Cite this article: Bone Joint J 2025;107-B(2):135–138


Bone & Joint 360
Vol. 14, Issue 1 | Pages 42 - 46
1 Feb 2025

The February 2025 Children’s orthopaedics Roundup360 looks at: Are antibiotics enough for the initial management of paediatric Gustilo-Anderson type I upper limb open fractures?; Advanced imaging for tibial tubercle fractures; Spinal fusion improves quality of life in cerebral palsy scoliosis: a multicentre study; Hip displacement after triradiate closure in ambulatory cerebral palsy; Telehealth validation for adolescent idiopathic scoliosis: comparable clinical measurements enhance access to care; Long-term prognostic markers for residual dysplasia in developmental dysplasia of the hip after closed reduction; Open versus closed reduction for paediatric lateral humeral condyle fractures: better outcomes with closed techniques; Delayed diagnosis of paediatric septic hip leads to poor outcomes and doubling of healthcare costs.


Bone & Joint 360
Vol. 14, Issue 1 | Pages 39 - 42
1 Feb 2025

The February 2025 Oncology Roundup360 looks at:The role of bone grafting versus bone cement in the treatment of giant cell tumour of bone: a systematic review and meta-analysis on the risk of recurrence in 1,454 patients; Tumour necrosis drives prognosis in osteosarcoma; Correlation between post-chemotherapy MRI and histopathology of malignant bone tumours treated with extra-articular resection; Real-world referral pattern of unplanned excision in patients with soft-tissue sarcoma; Assessment of artificial intelligence chatbot responses to common patient questions on bone sarcoma; Chondrosarcoma of the pelvis and limbs at ten years; Chest wall resection and reconstruction for primary chest wall sarcomas: analysis of survival, predictors of outcome, and long-term functional status; Ewing’s sarcoma in the paediatric population: predictors of survival within the USA; Pulmonary metastasectomy for sarcoma: insights from a referral centre cohort.


Bone & Joint 360
Vol. 14, Issue 1 | Pages 30 - 33
1 Feb 2025

The February 2025 Shoulder & Elbow Roundup360 looks at: Reverse shoulder arthroplasty is superior to plate fixation for displaced proximal humeral fractures in the elderly; Long-term outcomes of reverse total shoulder arthroplasty for complex proximal humerus fractures; The RAND/UCLA algorithm does streamline the clinical decision-making process; Smoking negatively impacts long-term outcomes and survival after anatomical total shoulder arthroplasty; Evaluating subscapularis tears: special tests lack sensitivity to tear severity and pain; Rotator cuff tear progression: insights into rates, risk factors, and the need for standardized reporting; Outcomes and complications of revision reverse shoulder arthroplasty: a systematic review; Prevalence and risk factors of glenohumeral chondral damage in shoulder instability: implications for early surgical stabilization.


The Bone & Joint Journal
Vol. 107-B, Issue 2 | Pages 213 - 220
1 Feb 2025
Zheng Z Ryu BY Kim SE Song DS Kim SH Park J Ro DH

Aims

The aim of this study was to develop and evaluate a deep learning-based model for classification of hip fractures to enhance diagnostic accuracy.

Methods

A retrospective study used 5,168 hip anteroposterior radiographs, with 4,493 radiographs from two institutes (internal dataset) for training and 675 radiographs from another institute for validation. A convolutional neural network (CNN)-based classification model was trained on four types of hip fractures (Displaced, Valgus-impacted, Stable, and Unstable), using DAMO-YOLO for data processing and augmentation. The model’s accuracy, sensitivity, specificity, Intersection over Union (IoU), and Dice coefficient were evaluated. Orthopaedic surgeons’ diagnoses served as the reference standard, with comparisons made before and after artificial intelligence assistance.


Bone & Joint Research
Vol. 14, Issue 1 | Pages 46 - 57
24 Jan 2025
Abdulhadi Alagha M Cobb J Liddle AD Malchau H Rolfson O Mohaddes M

Aims

While cementless fixation offers potential advantages over cemented fixation, such as a shorter operating time, concerns linger over its higher cost and increased risk of periprosthetic fractures. If the risk of fracture can be forecasted, it would aid the shared decision-making process related to cementless stems. Our study aimed to develop and validate predictive models of periprosthetic femoral fracture (PPFF) necessitating revision and reoperation after elective total hip arthroplasty (THA).

Methods

We included 154,519 primary elective THAs from the Swedish Arthroplasty Register (SAR), encompassing 21 patient-, surgical-, and implant-specific features, for model derivation and validation in predicting 30-day, 60-day, 90-day, and one-year revision and reoperation due to PPFF. Model performance was tested using the area under the curve (AUC), and feature importance was identified in the best-performing algorithm.


Aims

The primary aim of this study is to compare mobility status of patients receiving oral oxycodone with those receiving subcutaneous alfentanil as analgesic methods prior to mobilization to help physiotherapy compliance after hip fracture surgery. The secondary aims are to assess postoperative pain, health-related quality of life, in-hospital length of stay, total use of analgesia over postoperative days 1 and 2 (POD 1 and POD 2), complication rates within 30 days, and 30-day mortality rates.

Methods

A single-centre, prospective cohort study of 64 patients will be undertaken. Patients undergoing surgery for femoral neck fractures at the study centre will be recruited. Patients with a hip fracture meeting the inclusion/exclusion criteria will be enrolled on admission. Patients who have been administered oral oxycodone will be compared to those prescribed alfentanil for pain prior to mobilization with physiotherapists on POD 1 and POD 2. Which drug a patient receives is reliant of the prescriptions given by the medical team, and in current practice this varies at approximately 50:50. Mobilization will be defined as the ability to stand on and weightbear both feet with or without assistance.


Aims

The Peri-Implant and PeriProsthetic Survival AnalysiS (PIPPAS) study aimed to investigate the risk factors for one-year mortality of femoral peri-implant fractures (FPIFs).

Methods

This prospective, multicentre, observational study involved 440 FPIF patients with a minimum one-year follow-up. Data on demographics, clinical features, fracture characteristics, management, and mortality rates were collected and analyzed using both univariate and multivariate analyses. FPIF patients were elderly (median age 87 years (IQR 81 to 92)), mostly female (82.5%, n = 363), and frail: median clinical frailty scale 6 (IQR 4 to 7), median Pfeiffer 4 (1 to 7), median age-adjusted Charlson Comorbidity Index (CCI) 6 (IQR 5 to 7), and 58.9% (n = 250) were American Society of Anesthesiologists grade III.


Bone & Joint Open
Vol. 6, Issue 1 | Pages 26 - 34
6 Jan 2025
Findeisen S Mennerat L Ferbert T Helbig L Bewersdorf TN Großner T Schamberger C Schmidmaier G Tanner M

Aims

The aim of this study was to evaluate the radiological outcome of patients with large bone defects in the femur and tibia who were treated according to the guidelines of the diamond concept in our department (Centre for Orthopedics, Trauma Surgery, and Paraplegiology).

Methods

The following retrospective, descriptive analysis consists of patients treated in our department between January 2010 and December 2021. In total, 628 patients were registered, of whom 108 presented with a large-sized defect (≥ 5 cm). A total of 70 patients met the inclusion criteria. The primary endpoint was radiological consolidation of nonunions after one and two years via a modified Lane-Sandhu Score, including only radiological parameters.


Bone & Joint Open
Vol. 6, Issue 1 | Pages 12 - 20
3 Jan 2025
Chan KCA Cheung A Chan P Luk MH Chiu KY Fu H

Aims

Around the world, the emergence of robotic technology has improved surgical precision and accuracy in total knee arthroplasty (TKA). This territory-wide study compares the results of various robotic TKA (R-TKA) systems with those of conventional TKA (C-TKA) and computer-navigated TKA (N-TKA).

Methods

This is a retrospective study utilizing territory-wide data from the Clinical Data Analysis and Reporting System (CDARS). All patients who underwent primary TKA in all 47 public hospitals in Hong Kong between January 2021 and December 2023 were analyzed. Primary outcomes were the percentage use of various robotic and navigation platforms. Secondary outcomes were: 1) mean length of stay (LOS); 2) 30-day emergency department (ED) attendance rate; 3) 90-day ED attendance rate; 4) 90-day reoperation rate; 5) 90-day mortality rate; and 6) surgical time.


The Bone & Joint Journal
Vol. 107-B, Issue 1 | Pages 50 - 57
1 Jan 2025
Hussein Y Iljazi A Sørensen MS Overgaard S Petersen MM

Aims

Dislocation is a major concern following total hip arthroplasty (THA) for osteoarthritis (OA). Both dual-mobility components and standard acetabular components with large femoral heads are used to reduce the risk of dislocation. We investigated whether dual-mobility components are superior to standard components in reducing the two-year dislocation and revision risk in a propensity-matched sample from the Danish Hip Arthroplasty Register (DHR).

Methods

This population-based cohort study analyzed data from the DHR and the Danish National Patient Register. We included all patients undergoing primary THA for OA from January 2010 to December 2019 with either dual-mobility or standard acetabular components with metal-on-polyethylene or ceramic-on-polyethylene articulations with a 36 mm femoral head. The samples were propensity score-matched on patient and implant characteristics. The primary outcome was the difference in the absolute risk of dislocation within two years, with a secondary outcome of the difference in the absolute risk of revision surgery of any cause within the same timeframe. The cumulative incidence of dislocation was calculated using the Aalen-Johansen estimator, while the difference in absolute risk was estimated using absolute risk regression (ARR).


The Bone & Joint Journal
Vol. 107-B, Issue 1 | Pages 1 - 2
1 Jan 2025
Haddad FS


The Bone & Joint Journal
Vol. 107-B, Issue 1 | Pages 10 - 18
1 Jan 2025
Lewis TL Barakat A Mangwani J Ramasamy A Ray R

Hallux valgus (HV) presents as a common forefoot deformity that causes problems with pain, mobility, footwear, and quality of life. The most common open correction used in the UK is the Scarf and Akin osteotomy, which has good clinical and radiological outcomes and high levels of patient satisfaction when used to treat a varying degrees of deformity. However, there are concerns regarding recurrence rates and long-term outcomes. Minimally invasive or percutaneous surgery (MIS) has gained popularity, offering the potential for similar clinical and radiological outcomes with reduced postoperative pain and smaller scars. Despite this, MIS techniques vary widely, hindering comparison and standardization. This review evaluates the evidence for both open Scarf and Akin osteotomy and newer-generation MIS techniques. Fourth-generation MIS emphasizes multiplanar rotational deformity correction through stable fixation. While MIS techniques show promise, their evidence mainly comprises single-surgeon case series. Comparative studies between open and MIS techniques suggest similar clinical and radiological outcomes, although MIS may offer advantages in scar length and less early postoperative pain. MIS may afford superior correction in severe deformity and lower recurrence rates due to correcting the bony deformity rather than soft-tissue correction. Recurrence remains a challenge in HV surgery, necessitating long-term follow-up and standardized outcome measures for assessment. Any comparison between the techniques requires comparative studies. Surgeons must weigh the advantages and risks of both open and MIS approaches in collaboration with patients to determine the most suitable treatment.

Cite this article: Bone Joint J 2025;107-B(1):10–18.


The Bone & Joint Journal
Vol. 107-B, Issue 1 | Pages 81 - 88
1 Jan 2025
Rele S Shadbolt C Schilling C Thuraisingam S Trieu J Choong ELP Gould D Taylor NF Dowsey MM Choong PFM

Aims

The Clavien-Dindo (CD) classification and Comprehensive Complication Index (CCI) have been validated primarily among general surgical procedures. To date, the validity of these measures has not been assessed in patients undergoing arthroplasty.

Methods

This retrospective cohort study included patients undergoing primary total hip and knee arthroplasty between April 2013 and December 2019. Complications within 90 days of surgery were graded using the CD classification and converted to CCI. Validity was established by assessing the association between both measures and discharge to inpatient rehabilitation, length of stay, and costs.


The Bone & Joint Journal
Vol. 107-B, Issue 1 | Pages 72 - 80
1 Jan 2025
Blyth MJG Clement ND Choo XY Doonan J MacLean A Jones BG

Aims

The aim of this study was to perform an incremental cost-utility analysis and assess the impact of differential costs and case volume on the cost-effectiveness of robotic arm-assisted medial unicompartmental knee arthroplasty (rUKA) compared to manual (mUKA).

Methods

Ten-year follow-up of patients who were randomized to rUKA (n = 64) or mUKA (n = 65) was performed. Patients completed the EuroQol five-dimension health questionnaire preoperatively, at three months, and one, two, five, and ten years postoperatively, which was used to calculate quality-adjusted life years (QALY) gained and the incremental cost-effectiveness ratio (ICER). Costs for the index and additional surgery and healthcare costs were calculated.


The Bone & Joint Journal
Vol. 107-B, Issue 1 | Pages 27 - 33
1 Jan 2025
Mc Donald S Yoong A Evans JT Farrow L

Aims

The Exeter femoral stem has a cemented, polished taper-slip design, and an excellent track record. The current range includes short-length options for various offsets, but less is known about the performance of these stems. The aim of this study was to compare the survival of short-length stems with standard-length Exeter stems.

Methods

A systematic review of all studies reporting the use of short-length Exeter stems in primary total hip arthroplasty (THA) was undertaken. Survival data, the indication for revision, and patient-reported outcomes were gathered from observational and randomized studies. Studies based on registry data were analyzed separately.


Bone & Joint 360
Vol. 13, Issue 6 | Pages 26 - 29
1 Dec 2024

The December 2024 Wrist & Hand Roundup360 looks at: Variability in thumb ulnar collateral ligament rupture management across the UK: survey insights; Identifying five distinct hand osteoarthritis pain phenotypes highlights the impact of biopsychosocial factors; Long-term outcomes of MAÏA TMC joint prosthesis for osteoarthritis: a possible alternative to trapeziectomy; Diagnostic and management strategies for malignant melanoma of the hand; Early versus delayed surgery for distal radius fractures: comparable outcomes but higher complications in delayed treatment; Perioperative anticoagulant and antiplatelet use does not increase complications in wide-awake hand surgery; Variability in treatment of metacarpal shaft fractures highlights need for standardized care; Low-intensity pulsed ultrasound ineffective in reducing time to union for scaphoid nonunion post-surgery.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1485 - 1492
1 Dec 2024
Terek RM

Aims

The aim of the LightFix Trial was to evaluate the clinical outcomes for one year after the treatment of impending and completed pathological fractures of the humerus using the IlluminOss System (IS), and to analyze the performance of this device.

Methods

A total of 81 patients with an impending or completed pathological fracture were enrolled in a multicentre, open label single cohort study and treated with IS. Inclusion criteria were visual analogue scale (VAS) Pain Scores > 60 mm/100 mm and Mirels’ Score ≥ 8. VAS pain, Musculoskeletal Tumor Society (MSTS) Upper Limb Function, and The European Organization for Research and Treatment of Cancer QoL Group Bone Metastases Module (QLQ-BM22) scores were all normalized to 100, and radiographs were obtained at baseline and at 14, 30, 90, 180, and 360 days postoperatively.


Bone & Joint 360
Vol. 13, Issue 6 | Pages 45 - 47
1 Dec 2024

The December 2024 Research Roundup360 looks at: Skeletal muscle composition, power, and mitochondrial energetics in older men and women with knee osteoarthritis; Machine-learning models to predict osteonecrosis in patients with femoral neck fractures undergoing internal fixation; Aetiology of patient dissatisfaction following primary total knee arthroplasty in the era of robotic-assisted technology; Efficacy and safety of commonly used thromboprophylaxis agents following hip and knee arthroplasty; The COVID-19 effect continues; Nickel allergy in knee arthroplasty: does self-reported sensitivity affect outcomes?; Tranexamic acid use and joint infection risk in total hip and knee arthroplasty.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1369 - 1371
1 Dec 2024
Tabu I Ivers R Costa ML

In the UK, multidisciplinary teamwork for patients with hip fracture has been shown to reduce mortality and improves health-related quality of life for patients, while also reducing hospital bed days and associated healthcare costs. However, despite rapidly increasing numbers of fragility fractures, multidisciplinary shared care is rare in low- and middle-income countries around the world. The HIPCARE trial will test the introduction of multidisciplinary care pathways in five low- and middle-income countries in South and Southeast Asia, with the aim to improve patients’ quality of life and reduce healthcare costs.

Cite this article: Bone Joint J 2024;106-B(12):1369–1371.


Bone & Joint 360
Vol. 13, Issue 6 | Pages 36 - 39
1 Dec 2024

The December 2024 Trauma Roundup360 looks at: Percutaneous lumbopelvic fixation is effective in the management of unstable transverse sacral fractures; A systematic review on autologous matrix-induced chondrogenesis (AMIC) for chondral knee defects; Stable clinical and radiological outcomes at medium and over five-year follow-up of calcaneus fracture open reduction internal fixation using a sinus tarsi approach; Right or left? It might make a difference; Suprapatellar versus infrapatellar tibial nailing – is there a difference in anterior knee pain and function?; Can patients safely weightbear following ankle fracture fixation?; Anterior-to-posterior or a plate fixation for posterior malleous fractures?; Audio distraction for traction pin insertion: a prospective randomized controlled study; Is intramedullary nailing of femoral diaphyseal fractures in the lateral decubitus position as safe and effective as on a traction table?


Bone & Joint 360
Vol. 13, Issue 6 | Pages 39 - 41
1 Dec 2024

The December 2024 Oncology Roundup360 looks at: Non-reversed great saphenous vein grafts for vascular reconstruction after resection of lower limb sarcoma; Detrimental effects of COVID-19 pandemic on patients with limb bone sarcoma: reference centre experience; Whole-body staging guidelines in sarcoma; Intraoperative marrow margin frozen section in limb bone sarcoma resection; Vacuum-assisted closure and paediatric oncological limb salvage; Treatment differences and long-term outcomes in adults and children with Ewing’s sarcoma; Survival, complications, and functional outcomes of uncemented distal femoral endoprosthesis with short, curved stem for patients with bone tumours.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1372 - 1376
1 Dec 2024
Kennedy IW Meek RMD

Hip fractures pose a major global health challenge, leading to high rates of morbidity and mortality, particularly among the elderly. With an ageing population, the incidence of these injuries is rising, exerting significant pressure on healthcare systems worldwide. Despite substantial research aimed at establishing best practice, several key areas remain the subject of ongoing debate. This article examines the latest evidence on the place of arthroplasty in the surgical treatment of hip fractures, with a particular focus on the choice of implant, the use of cemented versus uncemented fixation, and advances in perioperative care.

Cite this article: Bone Joint J 2024;106-B(12):1372–1376.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1451 - 1460
1 Dec 2024
Mandalia K Le Breton S Roche C Shah SS

Aims

A recent study used the RAND Corporation at University of California, Los Angeles (RAND/UCLA) method to develop anatomical total shoulder arthroplasty (aTSA) appropriateness criteria. The purpose of our study was to determine how patient-reported outcome measures (PROMs) vary based on appropriateness.

Methods

Clinical data from a multicentre database identified patients who underwent primary aTSA from November 2004 to January 2023. A total of 390 patients (mean follow-up 48.1 months (SD 42.0)) were included: 97 (24.9%) were classified as appropriate, 218 (55.9%) inconclusive, and 75 (19.2%) inappropriate. Patients were classified as “appropriate”, “inconclusive”, or “inappropriate”, using a modified version of an appropriateness algorithm, which accounted for age, rotator cuff status, mobility, symptomatology, and Walch classification. Multiple pre- and postoperative scores were analyzed using Pearson’s chi-squared test and one-way analysis of variance (ANOVA). Postoperative complications were also analyzed.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1377 - 1384
1 Dec 2024
Fontalis A Yasen AT Giebaly DE Luo TD Magan A Haddad FS

Periprosthetic joint infection (PJI) represents a complex challenge in orthopaedic surgery associated with substantial morbidity and healthcare expenditures. The debridement, antibiotics, and implant retention (DAIR) protocol is a viable treatment, offering several advantages over exchange arthroplasty. With the evolution of treatment strategies, considerable efforts have been directed towards enhancing the efficacy of DAIR, including the development of a phased debridement protocol for acute PJI management. This article provides an in-depth analysis of DAIR, presenting the outcomes of single-stage, two-stage, and repeated DAIR procedures. It delves into the challenges faced, including patient heterogeneity, pathogen identification, variability in surgical techniques, and antibiotics selection. Moreover, critical factors that influence the decision-making process between single- and two-stage DAIR protocols are addressed, including team composition, timing of the intervention, antibiotic regimens, and both anatomical and implant-related considerations. By providing a comprehensive overview of DAIR protocols and their clinical implications, this annotation aims to elucidate the advancements, challenges, and potential future directions in the application of DAIR for PJI management. It is intended to equip clinicians with the insights required to effectively navigate the complexities of implementing DAIR strategies, thereby facilitating informed decision-making for optimizing patient outcomes.

Cite this article: Bone Joint J 2024;106-B(12):1377–1384.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1469 - 1476
1 Dec 2024
Matsuo T Kanda Y Sakai Y Yurube T Takeoka Y Miyazaki K Kuroda R Kakutani K

Aims

Frailty has been gathering attention as a factor to predict surgical outcomes. However, the association of frailty with postoperative complications remains controversial in spinal metastases surgery. We therefore designed a prospective study to elucidate risk factors for postoperative complications with a focus on frailty.

Methods

We prospectively analyzed 241 patients with spinal metastasis who underwent palliative surgery from June 2015 to December 2021. Postoperative complications were assessed by the Clavien-Dindo classification; scores of ≥ Grade II were defined as complications. Data were collected regarding demographics (age, sex, BMI, and primary cancer) and preoperative clinical factors (new Katagiri score, Frankel grade, performance status, radiotherapy, chemotherapy, spinal instability neoplastic score, modified Frailty Index-11 (mFI), diabetes, and serum albumin levels). Univariate and multivariate analyses were developed to identify risk factors for postoperative complications (p < 0.05).


Bone & Joint 360
Vol. 13, Issue 6 | Pages 30 - 33
1 Dec 2024

The December 2024 Shoulder & Elbow Roundup360 looks at: Predicting recurrence of instability after a primary traumatic anterior shoulder dislocation; Predictors of surgery and long-term outcomes in nonoperative management of full-thickness rotator cuff tears; Reverse shoulder arthroplasty viable despite acquired acromial compromise, but higher infection risk noted; LP-PRP reduces retear rates in rotator cuff repair but shows no functional outcome advantage; Long-term clinical outcomes of arthroscopic supraspinatus tendon repair using the single anchor tension band technique – minimum five-year follow-up; Arthroscopic stabilization for anterior shoulder dislocation shows low recurrence rates regardless of prior dislocations; ORIF outperforms arthroplasty for complex radial head fractures: mid-term outcomes; Routine use of surgical helmet systems may not reduce infection risk in shoulder arthroplasty.


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1443 - 1450
1 Dec 2024
Down B Ferguson J Loizou C McNally M Ramsden A Stubbs D Kendal A

Aims. Calcaneal osteomyelitis remains a difficult condition to treat with high rates of recurrence and below-knee amputation, particularly in the presence of severe soft-tissue destruction. This study assesses the outcomes of single-stage orthoplastic surgical treatment of calcaneal osteomyelitis with large soft-tissue defects. Methods. A retrospective review was performed of all patients who underwent combined single-stage orthoplastic treatment of calcaneal osteomyelitis (01/2008 to 12/2022). Primary outcome measures were osteomyelitis recurrence and below-knee amputation (BKA). Secondary outcome measures included flap failure, operating time, complications, and length of stay. Results. A total of 30 patients (14 female, 16 male; mean age 53.7 years (95% CI 48.0 to 59.5)) underwent combined orthoplastic surgical treatment for BACH “complex” calcaneal osteomyelitis with a median follow-up of 31 months (IQR 11.75 to 49.25). Of these, 19 received a local flap and 11 received a free flap. The most common causes were fracture-related infection (n = 12; 40%) and ulceration (n = 10; 33%); 21 patients (70%) had already undergone at least one operation elsewhere. Osteomyelitis was eradicated in 23 patients (77%). There were seven patients who developed recurrent osteomyelitis (23%), all in the local flap group. One patient required a BKA. Univariate analysis revealed that local flap reconstruction (OR 13.5 (95% CI 0.7 to 269.7); p = 0.029) and peripheral vascular disease (OR 16.5 (95% CI 1.35 to 203.1); p = 0.008) were associated with increased risk of recurrence. Free flap reconstruction took significantly longer intraoperatively than local flaps (mean 481 minutes (408 to 554) vs mean 168 minutes (119 to 216); p < 0.001), but without significant differences in length of stay or frequency of outpatient appointments. Conclusion. In our study involving 30 patients, single-stage orthoplastic management was associated with 77% (n = 23) eradication of infection and only one amputation in this complex and comorbid patient group. Risk factors for failure were peripheral vascular disease and local flap reconstruction. While good outcomes can be achieved, this treatment requires high levels of inpatient and outpatient care. Cite this article: Bone Joint J 2024;106-B(12):1443–1450


The Bone & Joint Journal
Vol. 106-B, Issue 12 | Pages 1477 - 1484
1 Dec 2024
Wang Y Shen L Xie D Long H Chen H Wei J Zeng C Lei G

Aims

For displaced femoral neck fractures (FNFs) in geriatric patients, there remains uncertainty regarding the effect of total hip arthroplasty (THA) compared with hemiarthroplasty (HA) in the guidelines. We aimed to compare 90-day surgical readmission, in-hospital complications, and charges between THA and HA in these patients.

Methods

The Hospital Quality Monitoring System was queried from 1 January 2013 to 31 December 2019 for displaced FNFs in geriatric patients treated with THA or HA. After propensity score matching, which identified 33,849 paired patients, outcomes were compared between THA and HA using logistic and linear regression models.


Bone & Joint 360
Vol. 13, Issue 6 | Pages 17 - 19
1 Dec 2024

The December 2024 Hip & Pelvis Roundup360 looks at: Total hip arthroplasty after femoral neck fractures versus osteoarthritis at one-year follow-up: a comparative, retrospective study; Excellent mid-term survival of a monoblock conical prosthesis in treating atypical and complex femoral anatomy with total hip arthroplasty; Hip arthroscopy for femoroacetabular impingement improves sexual function; Fast-track hip arthroplasty does not increase complication rates; Ten-year experience with same-day discharge outpatient total hip arthroplasty: patient demographics changed, but safe outcomes were maintained.


Bone & Joint Research
Vol. 13, Issue 11 | Pages 673 - 681
22 Nov 2024
Yue C Xue Z Cheng Y Sun C Liu Y Xu B Guo J

Aims

Pain is the most frequent complaint associated with osteonecrosis of the femoral head (ONFH), but the factors contributing to such pain are poorly understood. This study explored diverse demographic, clinical, radiological, psychological, and neurophysiological factors for their potential contribution to pain in patients with ONFH.

Methods

This cross-sectional study was carried out according to the “STrengthening the Reporting of OBservational studies in Epidemiology” statement. Data on 19 variables were collected at a single timepoint from 250 patients with ONFH who were treated at our medical centre between July and December 2023 using validated instruments or, in the case of hip pain, a numerical rating scale. Factors associated with pain severity were identified using hierarchical multifactor linear regression.


Bone & Joint Research
Vol. 13, Issue 11 | Pages 647 - 658
12 Nov 2024
Li K Zhang Q

Aims

The incidence of limb fractures in patients living with HIV (PLWH) is increasing. However, due to their immunodeficiency status, the operation and rehabilitation of these patients present unique challenges. Currently, it is urgent to establish a standardized perioperative rehabilitation plan based on the concept of enhanced recovery after surgery (ERAS). This study aimed to validate the effectiveness of ERAS in the perioperative period of PLWH with limb fractures.

Methods

A total of 120 PLWH with limb fractures, between January 2015 and December 2023, were included in this study. We established a multidisciplinary team to design and implement a standardized ERAS protocol. The demographic, surgical, clinical, and follow-up information of the patients were collected and analyzed retrospectively.


Bone & Joint Open
Vol. 5, Issue 11 | Pages 1013 - 1019
11 Nov 2024
Clark SC Pan X Saris DBF Taunton MJ Krych AJ Hevesi M

Aims

Distal femoral osteotomies (DFOs) are commonly used for the correction of valgus deformities and lateral compartment osteoarthritis. However, the impact of a DFO on subsequent total knee arthroplasty (TKA) function remains a subject of debate. Therefore, the purpose of this study was to determine the effect of a unilateral DFO on subsequent TKA function in patients with bilateral TKAs, using the contralateral knee as a self-matched control group.

Methods

The inclusion criteria consisted of patients who underwent simultaneous or staged bilateral TKA after prior unilateral DFO between 1972 and 2023. The type of osteotomy performed, osteotomy hardware fixation, implanted TKA components, and revision rates were recorded. Postoperative outcomes including the Forgotten Joint Score-12 (FJS-12), Tegner Activity Scale score, and subjective knee preference were also obtained at final follow-up.


Bone & Joint Open
Vol. 5, Issue 11 | Pages 1020 - 1026
11 Nov 2024
Pigeolet M Sana H Askew MR Jaswal S Ortega PF Bradley SR Shah A Mita C Corlew DS Saeed A Makasa E Agarwal-Harding KJ

Aims

Lower limb fractures are common in low- and middle-income countries (LMICs) and represent a significant burden to the existing orthopaedic surgical infrastructure. In high income country (HIC) settings, internal fixation is the standard of care due to its superior outcomes. In LMICs, external fixation is often the surgical treatment of choice due to limited supplies, cost considerations, and its perceived lower complication rate. The aim of this systematic review protocol is identifying differences in rates of infection, nonunion, and malunion of extra-articular femoral and tibial shaft fractures in LMICs treated with either internal or external fixation.

Methods

This systematic review protocol describes a broad search of multiple databases to identify eligible papers. Studies must be published after 2000, include at least five patients, patients must be aged > 16 years or treated as skeletally mature, and the paper must describe a fracture of interest and at least one of our primary outcomes of interest. We did not place restrictions on language or journal. All abstracts and full texts will be screened and extracted by two independent reviewers. Risk of bias and quality of evidence will be analyzed using standardized appraisal tools. A random-effects meta-analysis followed by a subgroup analysis will be performed, given the anticipated heterogeneity among studies, if sufficient data are available.