OOIR: Observatory of International Research

Papers

(The TQCC of Acta Orthopaedica is 5. 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 2021-05-01 to 2025-05-01.)

Article	Citations
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	69
Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register	55
Good long-term outcomes of the hip Chiari osteotomy in adolescents and adults with hip dysplasia: a systematic review	30
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	30
Local cefuroxime tissue concentrations in the hand after single and repeated administration to 16 patients undergoing trapeziectomy: a randomized controlled trial	30
Knee function 30 years after ACL reconstruction: a case series of 60 patients	29
Range of hip abduction after preventive and reconstructive surgery in cerebral palsy: a longitudinal registry study of 307 children	25
Complications common in motorized intramedullary bone transport for non-infected segmental defects: a retrospective review of 15 patients	22
Birthweight correlates to pubo-femoral distances and α angles in hip ultrasound of newborns at 6 weeks of age: a retrospective cohort study	21
Risk of reoperation due to surgical site infection in 74,771 hip fracture patients: a Danish nationwide cohort study	21
The incidence of physeal fractures in the lower limb and the frequency of premature physeal closure: a cohort study of 236 patients	19
Hip development after surgery to prevent hip dislocation in cerebral palsy: a longitudinal register study of 252 children	18
Trochanteric stabilizing plate in the treatment of trochanteric fractures: a scoping review	18
The incidence of late-detected developmental dysplasia of the hip and its functional outcomes: a 17-year cohort study using selective ultrasound screening	17
Stable glenoid component of reverse total shoulder arthroplasty at 2 years as measured with model-based radiostereometric analysis (RSA)	17
Impact of the COVID-19 lockdown on patient-reported outcome measures in Dutch hip and knee arthroplasty patients	17
Editorial: Different, yet strong together: the Nordic Arthroplasty Register Association (NARA)	16
No change in reoperation rates despite shifting treatment trends: a population-based study of 4,070 proximal humeral fractures	16
Digital health literacy in Norwegian patients with hip and knee arthroplasty: normative data from a cross-sectional study	15
Knee and ankle range of motion and spasticity from childhood into adulthood: a longitudinal cohort study of 3,223 individuals with cerebral palsy	15
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	15
1-year data on patient-reported outcome is enough after surgery for degenerative cervical myelopathy: a cohort study from the Swedish Spine register	15
Activities of daily living in lower limb amputees with a bone-anchored prosthesis: a retrospective case series with 24 months’ follow-up	14
Erratum: Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register	14
Limping and patient satisfaction after primary total hip arthroplasty: a registry-based cohort study	14

Erratum	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
The construct validity and internal consistency of QuickDASH in pediatric patients with upper extremity fractures	13
The effect of patient and prosthesis factors on revision rates after total knee replacement using a multi-registry meta-analytic approach	13
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	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
Vascularized fibular grafting following tumor resection demonstrates acceptable long-term outcomes in Denmark: a national retrospective cohort study	12
Nonoperative hip fracture care: how conservative should we be?	12
Validity and reliability of the adapted Dutch version of the Brace Questionnaire (BrQ)	12
Prosthesis survival after revision knee arthroplasty for “pain without loosening” versus “aseptic loosening”: a Danish nationwide study	12
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	12
Correspondence: Isometric hip strength impairments in patients with hip dysplasia are improved but not normalized 1 year after periacetabular osteotomy: a cohort study of 82 patients	11
Cross-cultural adaptation and validation of a Norwegian version of the Goodman Satisfaction Score (GSS-NO) for patients with total hip and knee arthroplasty	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
No increased mortality after total hip arthroplasty in patients with a history of pediatric hip disease: a matched, population-based cohort study on 4,043 patients	10
Cat at home? Cat scratch disease with atypical presentations and aggressive radiological findings mimicking sarcoma, a potential diagnostic pitfall	10
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	10
Incidence and risk factors of adverse events after distal radius fracture fixation with volar locking plates: retrospective analysis of 2,790 cases	10
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	10
Association of femoral retroversion and out-toeing gait with development of hip osteoarthritis and treatment: a systematic review	10
Reply regarding: Change in treatment preferences in pediatric diaphyseal forearm fractures: a Danish nationwide register study of 36,244 fractures between 1997 and 2016	10
Computed tomography-based radiostereometric analysis in orthopedic research: practical guidelines	10
Substantial clinical benefit and patient acceptable symptom states of the Forgotten Joint Score 12 after primary knee arthroplasty	10
Rapid decline of yearly number of hip arthroscopies in Sweden: a retrospective time series of 6,105 hip arthroscopies based on a national patient data register	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	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
The power of registries and radiostereometric analysis (RSA)	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
Clinical and radiological outcomes of robotic-assisted versus conventional total knee arthroplasty: a systematic review and meta-analysis of randomized controlled trials	9
The risk of refracture and malunion in children treated for diaphyseal forearm fractures: a retrospective cohort study	9
The accuracy and precision of CT-RSA in arthroplasty: a systematic review and meta-analysis	9
Plate-assisted bone-segment transport in the femur with 2 internal lengthening nails: a technical note and a case report	9
Regional variations in incidence and treatment trends of Achilles tendon ruptures in Finland: a nationwide 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
Surgical approach had minor association with femoral stem migration in total hip arthroplasty: radiostereometric analysis of 61 patients after 5-year follow-up	8
Return to work after lumbar disc herniation surgery: an occupational cohort study	8
Erratum: Arthroscopic partial meniscectomy: did it ever work?	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
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
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
Arthroscopic partial meniscectomy for the degenerative meniscus tear: a comparison of patients included in RCTs and prospective cohort studies	8
Unchanged incidence but change in treatment trends from 1996 to 2018: 23,718 humeral shaft fractures from the Danish National Patient Registry	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
Inducible displacement CT increases the diagnostic accuracy of aseptic loosening in primary total hip arthroplasty	7
Nonoperative management of hip fractures in very frail elderly patients may lead to a predictable short survival as part of advance care planning	7
Change in treatment preferences in pediatric diaphyseal forearm fractures: a Danish nationwide register study of 36,244 fractures between 1997 and 2016	7
Denosumab prevents acetabular bone loss around an uncemented cup: analysis of secondary outcomes in a randomized controlled trial	7
No increase in postoperative contacts with the healthcare system following outpatient total hip and knee arthroplasty	7
Increased mortality after total hip prosthetic joint infection is mainly caused by the comorbidities rather than the infection itself	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
Half of all hip and knee arthroplasty patients may be potential day-case candidates: a nationwide register study of 166,730 procedures	7
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	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
The relationship between hip displacement, scoliosis, and pelvic obliquity in 106 nonambulatory children with cerebral palsy: a longitudinal retrospective population-based study	7
6-month migration sufficient for evaluation of total knee replacements: a systematic review and meta-analysis	7
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	6
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	6
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	6
Intra- and inter-observer agreement in distal radius fracture dislocation measurement of casting position	6
Enhancing the data capture of periprosthetic joint infections in the Danish Knee Arthroplasty Registry: validity assessment and incidence estimation	6
We need less (but better) research	6
Complications and risk factors of intramedullary bone lengthening nails: a retrospective multicenter cohort study of 314 FITBONE and PRECICE nails	6
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	6
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	6
Measurement properties of UCLA Activity Scale for hip and knee arthroplasty patients and translation and cultural adaptation into Danish	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
The association between socioeconomic status and the 90-day risk of cardiovascular events after total hip arthroplasty – registry-based study of 103,286 patients	6
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	6
Physical child abuse demands increased awareness during health and socioeconomic crises like COVID-19	6
Development of ankle and knee range of motion after isolated gastrocsoleus lengthening in children with cerebral palsy: a register-based longitudinal cohort study	6
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	6
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	6
Change in cup orientation from supine to standing posture: a prospective cohort study of 419 total hip arthroplasties	6
The first contacts between Lithuanian and Swedish orthopedic surgeons after the Cold War	5
Automated diagnosis and classification of metacarpal and phalangeal fractures using a convolutional neural network: a retrospective data analysis study	5
Identifying effective candidates for sacro-iliac joint fusion	5
Physical capability after total joint arthroplasty: long-term population-based follow-up study of 6,462 women	5
Reasons for revision are associated with rerevised total knee arthroplasties: an analysis of 8,978 index revisions in the Dutch Arthroplasty Register	5
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	5
A simplified, 2-question grading system for evaluating abstracts in orthopedic scientific meetings: a serial randomization study	5
Surgeons’ behaviors and beliefs regarding placebo effects in surgery	5
Complications after lateral unicompartmental knee arthroplasty in a fast-track setting: a prospective cohort study of 170 procedures	5
Calcium phosphate bone cement and metaphyseal corrective osteotomies in the upper extremity: long-term follow-up of 10 children	5
Treating recurrent hemarthrosis after knee arthroplasty with selective embolization: a cohort study of 56 patients	5
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	5
Patient-reported outcome after dislocation of primary total hip arthroplasties: a cross-sectional study derived from the Danish Hip Arthroplasty Register	5
The rise of registry-based research: a bibliometric analysis	5
Early migration in unicompartmental knee arthroplasty: a radiostereometric study of 26 patients with 24 months of follow-up	5
Association between duration of anticoagulant thromboprophylaxis and revision rate in primary total hip arthroplasty: a Danish and Norwegian nationwide cohort study	5
Presenting artificial intelligence, deep learning, and machine learning studies to clinicians and healthcare stakeholders: an introductory reference with a guideline and a Clinical AI Research (CAIR)	5
Preoperative BMD does not influence femoral stem subsidence of uncemented THA when the femoral T-score is > –2.5	5
Reply: Using epinephrine in local infiltration analgesia (LIA): focusing on safety reasons	5
Can KOOS-PS be replaced with a simple anchor question in patients after total knee arthroplasty?: an agreement study of 2,478 primary surgeries	5
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	5
Relevant treatment outcomes for individuals aged 60 and older with massive rotator cuff tears: a qualitative study with 16 patients	5
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	5
Register-based randomized trials: the new power-tool in orthopedic research?	5
Day-case hip and knee arthroplasty does not increase healthcare system contacts: a prospective multicenter study in a public healthcare setting	5
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	5
Outcomes of trabecular metal total ankle replacement: a longitudinal observational cohort study of 239 consecutive cases from the Swedish Ankle Registry	5
Risk of prolonged postoperative opioid use after elective shoulder replacement: a nationwide cohort study of 5,660 patients from the Danish Shoulder Arthroplasty Registry	5