OOIR: Observatory of International Research

Papers

(The TQCC of Acta Orthopaedica is 6. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-12-01 to 2025-12-01.)

Article	Citations
Birthweight correlates to pubo-femoral distances and α angles in hip ultrasound of newborns at 6 weeks of age: a retrospective cohort study	48
Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register	43
Less inflammatory response in the direct anterior than in the direct lateral approach in patients with femoral neck fractures receiving a total hip arthroplasty: exploratory results from a randomized	41
Risk of reoperation due to surgical site infection in 74,771 hip fracture patients: a Danish nationwide cohort study	41
The incidence of physeal fractures in the lower limb and the frequency of premature physeal closure: a cohort study of 236 patients	34
Good long-term outcomes of the hip Chiari osteotomy in adolescents and adults with hip dysplasia: a systematic review	31
Local cefuroxime tissue concentrations in the hand after single and repeated administration to 16 patients undergoing trapeziectomy: a randomized controlled trial	27
Superstition in arthroplasty: does a suspicious size or surgery date have a higher revision rate? A Dutch arthroplasty register study	24
The different strategies in treating displaced femoral neck fractures: mid-term surgical outcome in a register-based cohort of 1,283 patients aged 60–69 years	22
1-year data on patient-reported outcome is enough after surgery for degenerative cervical myelopathy: a cohort study from the Swedish Spine register	21
The incidence of late-detected developmental dysplasia of the hip and its functional outcomes: a 17-year cohort study using selective ultrasound screening	21
Effect of high-dose dexamethasone on morphine use after periacetabular osteotomy for hip dysplasia: a randomized double-blind placebo-controlled single center trial	20
Digital health literacy in Norwegian patients with hip and knee arthroplasty: normative data from a cross-sectional study	20
Activities of daily living in lower limb amputees with a bone-anchored prosthesis: a retrospective case series with 24 months’ follow-up	19
Association between socioeconomic status and patient-reported outcome at 1 year after shoulder arthroplasty for osteoarthritis or cuff-tear arthropathy: a nationwide cohort study of 2,292 arthroplasti	17
Association of resident training with complication risk in total hip and knee arthroplasty: a systematic review and meta-analysis	17
Antimicrobial resistance in orthopedics: microbial insights, clinical impact, and the necessity of a multidisciplinary approach—a review	17
Knee and ankle range of motion and spasticity from childhood into adulthood: a longitudinal cohort study of 3,223 individuals with cerebral palsy	16
Limping and patient satisfaction after primary total hip arthroplasty: a registry-based cohort study	16
Prosthesis survival after revision knee arthroplasty for “pain without loosening” versus “aseptic loosening”: a Danish nationwide study	16
Impact of the COVID-19 lockdown on patient-reported outcome measures in Dutch hip and knee arthroplasty patients	16
Nonoperative hip fracture care: how conservative should we be?	15
Letter to the Editor: Uncertainty and risk of misleading conclusions: an umbrella review of the quality of the evidence for ankle arthroscopy	15
Erratum: Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register	15
6 compared with 12 weeks treatment in the von Rosen splint is sufficient for Barlow and Ortolani positive hips: a comparative study of 237 neonates	14

Satisfaction and quality of dying with nonoperative end-of-life care for hospitalized and non-hospitalized frail older patients with (suspected) hip fractures: a combined cohort study	14
Validity and reliability of the adapted Dutch version of the Brace Questionnaire (BrQ)	13
Health-related quality of life in syndromic scoliosis treated by segmental pedicle screw instrumentation: a case-control study	13
The effect of patient and prosthesis factors on revision rates after total knee replacement using a multi-registry meta-analytic approach	13
The construct validity and internal consistency of QuickDASH in pediatric patients with upper extremity fractures	13
Vascularized fibular grafting following tumor resection demonstrates acceptable long-term outcomes in Denmark: a national retrospective cohort study	13
Risk for re-revision and type of antibiotic-loaded bone cement in hip or knee arthroplasty revisions: report of the Dutch Arthroplasty Register	13
Epidemiology and trends in management of acute proximal humeral fractures in adults: an observational study of 137,436 cases from the Danish National Patient Register, 1996–2018	12
Worse patient-reported outcomes and higher risk of reoperation and adverse events after total hip replacement in patients with opioid use in the year before surgery: a Swedish register-based study on	12
Association of femoral retroversion and out-toeing gait with development of hip osteoarthritis and treatment: a systematic review	12
Proximal femoral fractures in children: incidence, complications, and functional outcomes—a population-based study from Finland	12
Reply regarding: Change in treatment preferences in pediatric diaphyseal forearm fractures: a Danish nationwide register study of 36,244 fractures between 1997 and 2016	12
Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty	12
Computed tomography-based radiostereometric analysis in orthopedic research: practical guidelines	12
Patient–surgeon sex discordance impacts adverse events but does not affect patient-reported satisfaction after primary total hip arthroplasty: a regional register-based cohort study	11
Substantial clinical benefit and patient acceptable symptom states of the Forgotten Joint Score 12 after primary knee arthroplasty	11
Incidence and risk factors of adverse events after distal radius fracture fixation with volar locking plates: retrospective analysis of 2,790 cases	11
Effects of extended oral antibiotic prophylaxis on surgical site infections after instrumented spinal fusion: a cohort study of 901 patients with a minimum follow-up of 1 year	11
Plate-assisted bone-segment transport in the femur with 2 internal lengthening nails: a technical note and a case report	10
Letter to the Editor: Staples, tension-band plates, and percutaneous epiphysiodesis screws used for leg-length discrepancy treatment: a systematic review and proportional meta-analysis	10
Clinical and radiological outcomes of robotic-assisted versus conventional total knee arthroplasty: a systematic review and meta-analysis of randomized controlled trials	9
The accuracy and precision of CT-RSA in arthroplasty: a systematic review and meta-analysis	9
The completeness of national hip and knee replacement registers	9
Association of socioeconomic status on return to work following primary total hip arthroplasty: a Danish population-based cohort study on 9,431 patients from 2008–2018	9
Hybrid glenoid component migration after total shoulder arthroplasty: a cohort study using radiostereometric analysis with 2 years’ follow-up	9
Patients with total hip arthroplasty were more physically active 9.6 years after surgery: a case-control study of 429 hip arthroplasty cases and 29,272 participants from a population-based health stud	9
Hospital-related healthcare expenditure of impending versus completed pathological femur fractures: a propensity score matched study of 265 patients	9
The power of registries and radiostereometric analysis (RSA)	9
A comparison of cancellous screws in a sliding compression configuration and angle-stable sliding compression implants for internal fixation of femoral neck fractures in the non-elderly predominantly	9
Lower all-cause 30-day mortality during summer following foot and ankle fracture surgery: a Swedish perioperative register-based study	9
Intensive physical activity following total hip arthroplasty increased the revision risk after 15 years: a cohort study of 973 patients from the Geneva Arthroplasty Register	8
High prevalence of patellar dislocation and trochlear dysplasia in a geographically and genetically isolated society: an observational national cohort study from the Faroese Knee Cohort	8
The risk of refracture and malunion in children treated for diaphyseal forearm fractures: a retrospective cohort study	8
Surgical approach had minor association with femoral stem migration in total hip arthroplasty: radiostereometric analysis of 61 patients after 5-year follow-up	8
Chronic pain after primary total and medial unicompartmental knee arthroplasty for osteoarthritis: a Danish nationwide cross-sectional survey	8
Arthroscopic partial meniscectomy for the degenerative meniscus tear: a comparison of patients included in RCTs and prospective cohort studies	8
Regional variations in incidence and treatment trends of Achilles tendon ruptures in Finland: a nationwide study	8
Risk factors for revision due to prosthetic joint infection following total knee arthroplasty based on 62,087 knees in the Finnish Arthroplasty Register from 2014 to 2020	8
Denosumab prevents acetabular bone loss around an uncemented cup: analysis of secondary outcomes in a randomized controlled trial	8
Socioeconomic status and use of analgesic drugs before and after primary hip arthroplasty: a population-based cohort study of 103,209 patients during 1996–2018	8
Erratum: Arthroscopic partial meniscectomy: did it ever work?	8
Change in treatment preferences in pediatric diaphyseal forearm fractures: a Danish nationwide register study of 36,244 fractures between 1997 and 2016	8
Unchanged incidence but change in treatment trends from 1996 to 2018: 23,718 humeral shaft fractures from the Danish National Patient Registry	8
10-year trends in benzodiazepine, opioid, and concurrent use in hip and knee arthroplasty: a nationwide cohort study from the Netherlands	8
Patient-reported outcome was close to the Danish background population 6 months after non-surgical treatment of Neer 2-part surgical neck fractures: a prospective cohort study in patients aged 60 or a	8
An algorithm for identifying causes of reoperations after orthopedic fracture surgery in health administrative data: a diagnostic accuracy study using the Danish National Patient Register	8
Increasing incidences and changes in treatment trends of clavicle fractures in adults during 2 decades in Denmark: a nationwide study on data from the Danish National Patient Registry	8
Editorial: Challenges in global advancement of robotic surgery	8
Corrigendum: Similar outcome with a new anteverted or a straight standard stem: a randomized study of 72 total hip arthroplasties evaluated with clinical variables, radio-stereometry, and DXA up to 2	8
Angular alignment, rotational profile, and joint range of motion in the lower limb of typically developing children from 7–16 years of age: a cross-sectional study	8

Measurement properties of the HOOS-PS in revision total hip arthroplasty: a validation study on validity, interpretability, and responsiveness in 136 revision hip arthroplasty patients	8
Inducible displacement CT increases the diagnostic accuracy of aseptic loosening in primary total hip arthroplasty	8
Increased mortality after total hip prosthetic joint infection is mainly caused by the comorbidities rather than the infection itself	8
We need less (but better) research	7
A simplified, 2-question grading system for evaluating abstracts in orthopedic scientific meetings: a serial randomization study	7
The association between socioeconomic status and the 90-day risk of cardiovascular events after total hip arthroplasty – registry-based study of 103,286 patients	7
The risk of revision is higher following shoulder hemiarthroplasty compared with total shoulder arthroplasty for osteoarthritis: a matched cohort study of 11,556 patients from the National Joint Regis	7
5-year migration and inducible displacement of the uncemented LCS and ATTUNE rotating platform knee systems: a secondary report of a randomized controlled RSA trial	7
Trends and predictors of cemented fixation in arthroplasty for patients with a hip fracture: a Canadian Joint Replacement Registry study	7
Radiostereometric measurement of implant migration in robotically assisted vs conventional bi-cruciate stabilized cemented total knee arthroplasty: secondary analysis of a randomized controlled trial	7
Complications and risk factors of intramedullary bone lengthening nails: a retrospective multicenter cohort study of 314 FITBONE and PRECICE nails	7
Association between perceived stress and the risk of continued opioid use after total hip arthroplasty in patients with osteoarthritis: a Danish registry-based study of 1,727 individuals	7
Metabolic syndrome increases the length of stay and medical complications after hip and knee arthroplasty: results from a prospective cohort study of 2,901 patients	7
Patellofemoral arthroplasty-patient demographics and revision causes compared with total and medial unicompartmental knee arthroplasty: long-term follow-up data from the Norwegian Arthroplasty Registe	7
Identifying effective candidates for sacro-iliac joint fusion	7
Change in cup orientation from supine to standing posture: a prospective cohort study of 419 total hip arthroplasties	7
No difference in clinical outcome but in RSA in total knee arthroplasty with the ATTUNE vs. the PFC Sigma: a randomized trial with 2-year follow-up	7
Nationwide incidence of lateral malleolar fracture surgery across 6 European countries: has recent evidence changed clinical practice?	7
Development of ankle and knee range of motion after isolated gastrocsoleus lengthening in children with cerebral palsy: a register-based longitudinal cohort study	7
The relationship between hip displacement, scoliosis, and pelvic obliquity in 106 nonambulatory children with cerebral palsy: a longitudinal retrospective population-based study	7
No difference in implant survival between 28-mm M2a RingLoc metal-on-metal and metal-on-polyethylene total hip arthroplasty: results from the Finnish Arthroplasty Register	7
Association between duration of anticoagulant thromboprophylaxis and revision rate in primary total hip arthroplasty: a Danish and Norwegian nationwide cohort study	7
Enhancing the data capture of periprosthetic joint infections in the Danish Knee Arthroplasty Registry: validity assessment and incidence estimation	7
Effects of patient-specific positioning guides (PSPGs) vs. conventional instrumentation on patient-reported outcome in total knee arthroplasty: secondary analysis of a randomized controlled trial afte	7
Intra- and inter-observer agreement in distal radius fracture dislocation measurement of casting position	7
6-month migration sufficient for evaluation of total knee replacements: a systematic review and meta-analysis	7
Half of all hip and knee arthroplasty patients may be potential day-case candidates: a nationwide register study of 166,730 procedures	7
Sex-based differences in risk of revision for infection after hip, knee, shoulder, and ankle arthroplasty in osteoarthritis patients: a multinational registry study of 4,800,000 implants	7
Shelf acetabuloplasty is associated with longer survival of the total hip arthroplasty in patients with late-detected hip dislocation: a cohort study of 70 hips with a modified Spitzy shelf procedure	6
Outcomes of trabecular metal total ankle replacement: a longitudinal observational cohort study of 239 consecutive cases from the Swedish Ankle Registry	6
Reducing patient–staff contact in fast-track total hip arthroplasty has no effect on patient-reported outcomes, but decreases satisfaction amongst patients with self-perceived complications: analysis	6
Patient-reported outcome of 95% of young patients improves after primary total hip arthroplasty: identification of 3 recovery trajectories in 3,207 patients younger than 55 years from the Dutch Arthro	6
The first contacts between Lithuanian and Swedish orthopedic surgeons after the Cold War	6
Early cup migration and wear as predictors for later aseptic loosening: a secondary evaluation of a randomized controlled RSA trial on cemented hip arthroplasties with 18-year follow-up	6
Association of tourniquet use on short-term implant survival after primary total knee arthroplasty: a study of 24,249 knees from the Norwegian Arthroplasty Register	6
Day-case hip and knee arthroplasty does not increase healthcare system contacts: a prospective multicenter study in a public healthcare setting	6
Relevant treatment outcomes for individuals aged 60 and older with massive rotator cuff tears: a qualitative study with 16 patients	6
Early migration in unicompartmental knee arthroplasty: a radiostereometric study of 26 patients with 24 months of follow-up	6
In memoriam Jean Dubousset 1936–2025	6
Reply: Using epinephrine in local infiltration analgesia (LIA): focusing on safety reasons	6
Treating recurrent hemarthrosis after knee arthroplasty with selective embolization: a cohort study of 56 patients	6
Automated diagnosis and classification of metacarpal and phalangeal fractures using a convolutional neural network: a retrospective data analysis study	6
Comparing incomplete atypical femur fractures in patients with or without bisphosphonate treatment: radiography and bone morphology in a retrospective study of 19 cases	6
Register-based randomized trials: the new power-tool in orthopedic research?	6
Association between body mass index and return to work following primary knee arthroplasty: a population-based cohort study on 6,128 patients from Danish national registers	6
Safety notices and registry outlier data measure different aspects of safety and performance of total knee implants: a comparative study of safety notices and register outliers	6
How good are surgeons at disclosing periprosthetic joint infection at the time of revision, based on pre- and intra-operative assessment? A study on 16,922 primary total hip arthroplasties reported to	6
Calcium phosphate bone cement and metaphyseal corrective osteotomies in the upper extremity: long-term follow-up of 10 children	6
Complications after lateral unicompartmental knee arthroplasty in a fast-track setting: a prospective cohort study of 170 procedures	6
Risk of prolonged postoperative opioid use after elective shoulder replacement: a nationwide cohort study of 5,660 patients from the Danish Shoulder Arthroplasty Registry	6
Minimal invasions: is wrist arthroscopy supported by evidence? A systematic review and meta-analysis	6
Arthroplasty registries at a glance: an initiative of the International Society of Arthroplasty Registries (ISAR) to facilitate access, understanding, and reporting of registry data from an internatio	6