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 2021-06-01 to 2025-06-01.)

Article	Citations
Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register	57
Good long-term outcomes of the hip Chiari osteotomy in adolescents and adults with hip dysplasia: a systematic review	33
Local cefuroxime tissue concentrations in the hand after single and repeated administration to 16 patients undergoing trapeziectomy: a randomized controlled trial	32
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
Knee function 30 years after ACL reconstruction: a case series of 60 patients	30
Range of hip abduction after preventive and reconstructive surgery in cerebral palsy: a longitudinal registry study of 307 children	27
Complications common in motorized intramedullary bone transport for non-infected segmental defects: a retrospective review of 15 patients	23
The incidence of physeal fractures in the lower limb and the frequency of premature physeal closure: a cohort study of 236 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	22
Risk of reoperation due to surgical site infection in 74,771 hip fracture patients: a Danish nationwide cohort study	22
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	21
Trochanteric stabilizing plate in the treatment of trochanteric fractures: a scoping review	20
Hip development after surgery to prevent hip dislocation in cerebral palsy: a longitudinal register study of 252 children	19
Editorial: Different, yet strong together: the Nordic Arthroplasty Register Association (NARA)	18
Stable glenoid component of reverse total shoulder arthroplasty at 2 years as measured with model-based radiostereometric analysis (RSA)	18
The incidence of late-detected developmental dysplasia of the hip and its functional outcomes: a 17-year cohort study using selective ultrasound screening	18
Activities of daily living in lower limb amputees with a bone-anchored prosthesis: a retrospective case series with 24 months’ follow-up	16
Impact of the COVID-19 lockdown on patient-reported outcome measures in Dutch hip and knee arthroplasty patients	16
1-year data on patient-reported outcome is enough after surgery for degenerative cervical myelopathy: a cohort study from the Swedish Spine register	16
No change in reoperation rates despite shifting treatment trends: a population-based study of 4,070 proximal humeral fractures	16
Knee and ankle range of motion and spasticity from childhood into adulthood: a longitudinal cohort study of 3,223 individuals with cerebral palsy	16
Digital health literacy in Norwegian patients with hip and knee arthroplasty: normative data from a cross-sectional study	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
Limping and patient satisfaction after primary total hip arthroplasty: a registry-based cohort study	14
Prosthesis survival after revision knee arthroplasty for “pain without loosening” versus “aseptic loosening”: a Danish nationwide study	14

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
Risk for re-revision and type of antibiotic-loaded bone cement in hip or knee arthroplasty revisions: report of the Dutch Arthroplasty Register	13
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	13
Erratum	12
Erratum: Regional variation in low-value musculoskeletal surgery: a nationwide study from the Finnish Care Register	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
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	12
Validity and reliability of the adapted Dutch version of the Brace Questionnaire (BrQ)	12
Nonoperative hip fracture care: how conservative should we be?	12
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	12
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
The effect of patient and prosthesis factors on revision rates after total knee replacement using a multi-registry meta-analytic approach	12
Vascularized fibular grafting following tumor resection demonstrates acceptable long-term outcomes in Denmark: a national retrospective cohort study	12
The construct validity and internal consistency of QuickDASH in pediatric patients with upper extremity fractures	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	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
Reply regarding: Change in treatment preferences in pediatric diaphyseal forearm fractures: a Danish nationwide register study of 36,244 fractures between 1997 and 2016	11
Association of femoral retroversion and out-toeing gait with development of hip osteoarthritis and treatment: a systematic review	11
Substantial clinical benefit and patient acceptable symptom states of the Forgotten Joint Score 12 after primary knee arthroplasty	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
Cat at home? Cat scratch disease with atypical presentations and aggressive radiological findings mimicking sarcoma, a potential diagnostic pitfall	10
Incidence and risk factors of adverse events after distal radius fracture fixation with volar locking plates: retrospective analysis of 2,790 cases	10
Computed tomography-based radiostereometric analysis in orthopedic research: practical guidelines	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
The power of registries and radiostereometric analysis (RSA)	10
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
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	9
The completeness of national hip and knee replacement registers	9
The risk of refracture and malunion in children treated for diaphyseal forearm fractures: a retrospective cohort study	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 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
Hospital-related healthcare expenditure of impending versus completed pathological femur fractures: a propensity score matched study of 265 patients	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
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
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
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
Regional variations in incidence and treatment trends of Achilles tendon ruptures in Finland: a nationwide study	8
Return to work after lumbar disc herniation surgery: an occupational 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
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
Inducible displacement CT increases the diagnostic accuracy of aseptic loosening in primary total hip arthroplasty	8
Unchanged incidence but change in treatment trends from 1996 to 2018: 23,718 humeral shaft fractures from the Danish National Patient Registry	8
Arthroscopic partial meniscectomy for the degenerative meniscus tear: a comparison of patients included in RCTs and prospective cohort studies	8
Erratum: Arthroscopic partial meniscectomy: did it ever work?	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
Nonoperative management of hip fractures in very frail elderly patients may lead to a predictable short survival as part of advance care planning	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
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	7
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	7

Change in treatment preferences in pediatric diaphyseal forearm fractures: a Danish nationwide register study of 36,244 fractures between 1997 and 2016	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
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
Intra- and inter-observer agreement in distal radius fracture dislocation measurement of casting position	7
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	7
Increased mortality after total hip prosthetic joint infection is mainly caused by the comorbidities rather than the infection itself	7
Half of all hip and knee arthroplasty patients may be potential day-case candidates: a nationwide register study of 166,730 procedures	7
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	7
Denosumab prevents acetabular bone loss around an uncemented cup: analysis of secondary outcomes in a randomized controlled trial	7
Change in cup orientation from supine to standing posture: a prospective cohort study of 419 total hip arthroplasties	6
Complications and risk factors of intramedullary bone lengthening nails: a retrospective multicenter cohort study of 314 FITBONE and PRECICE nails	6
We need less (but better) research	6
A simplified, 2-question grading system for evaluating abstracts in orthopedic scientific meetings: a serial randomization study	6
Association between duration of anticoagulant thromboprophylaxis and revision rate in primary total hip arthroplasty: a Danish and Norwegian nationwide cohort study	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
Day-case hip and knee arthroplasty does not increase healthcare system contacts: a prospective multicenter study in a public healthcare setting	6
Physical child abuse demands increased awareness during health and socioeconomic crises like COVID-19	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
6-month migration sufficient for evaluation of total knee replacements: a systematic review and meta-analysis	6
Measurement properties of UCLA Activity Scale for hip and knee arthroplasty patients and translation and cultural adaptation into Danish	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
Register-based randomized trials: the new power-tool in orthopedic research?	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
Development of ankle and knee range of motion after isolated gastrocsoleus lengthening in children with cerebral palsy: a register-based longitudinal cohort study	6
The relationship between hip displacement, scoliosis, and pelvic obliquity in 106 nonambulatory children with cerebral palsy: a longitudinal retrospective population-based study	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
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
Early migration in unicompartmental knee arthroplasty: a radiostereometric study of 26 patients with 24 months of follow-up	6
Enhancing the data capture of periprosthetic joint infections in the Danish Knee Arthroplasty Registry: validity assessment and incidence estimation	6
No difference in risk of revision due to infection between clindamycin and cephalosporins as antibiotic prophylaxis in cemented primary total knee replacements: a report from the Norwegian Arthroplast	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
The rise of registry-based research: a bibliometric analysis	5
Relevant treatment outcomes for individuals aged 60 and older with massive rotator cuff tears: a qualitative study with 16 patients	5
Patient-reported outcome after dislocation of primary total hip arthroplasties: a cross-sectional study derived from the Danish Hip Arthroplasty Register	5
Efficacy of adding an interspace block to the posterior knee for perioperative pain in total knee arthroplasty: a randomized controlled trial	5
Complications after lateral unicompartmental knee arthroplasty in a fast-track setting: a prospective cohort study of 170 procedures	5
Surgeons’ behaviors and beliefs regarding placebo effects in surgery	5
Calcium phosphate bone cement and metaphyseal corrective osteotomies in the upper extremity: long-term follow-up of 10 children	5
Automated diagnosis and classification of metacarpal and phalangeal fractures using a convolutional neural network: a retrospective data analysis study	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
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
Hip precautions after posterior-approach total hip arthroplasty among patients with primary hip osteoarthritis do not influence early recovery: a systematic review and meta-analysis of randomized and	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
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
Minimal invasions: is wrist arthroscopy supported by evidence? A systematic review and meta-analysis	5
Guidelines for a structured manuscript: Statistical methods and reporting in biomedical research journals	5
Treating recurrent hemarthrosis after knee arthroplasty with selective embolization: a cohort study of 56 patients	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
Identifying effective candidates for sacro-iliac joint fusion	5
Outcomes of trabecular metal total ankle replacement: a longitudinal observational cohort study of 239 consecutive cases from the Swedish Ankle Registry	5
Reply: Using epinephrine in local infiltration analgesia (LIA): focusing on safety reasons	5
The first contacts between Lithuanian and Swedish orthopedic surgeons after the Cold War	5