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When we checked our data in our article "Similar outcome with a new anteverted or a straight standard stem: a randomized study of 72 total hip arthroplasties evaluated with clinical variables, radiostereometry, and DXA up to 2 years" by Karin Rilby, Maziar Mohaddes, Emma Nauclér, and Johan Kärrholm, Acta Orthop 2021; 92, Published online October 21, 2021 we noticed that the numbers in Table 7 (Supplementary data) were incorrect. We have not been able to fully reconstruct the reason for this error. We are sorry for this mistake. Even if the corrected numbers are different the overall conclusions will be same and also the statistical significances.
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INTRODUCTION: Female surgeons remain a minority within the field of orthopaedics, particularly in certain specialties such as arthroplasty. There is no scientific evidence on whether the surgeon's sex affects the patient-reported outcome after orthopaedic surgery such as total hip arthroplasty (THA). We therefore aimed to investigate the association between surgeon sex and health-related quality of life after THA. METHODS: Data on primary THAs performed between 2008 and 2016 were collected from 10 hospitals in western Sweden. The data were linked with the Swedish Hip Arthroplasty Register, a regional patient register and the National Board of Health and Welfare, resulting in a data set that included surgeon-related and patient-related data. The outcome of the study was the change in health-related quality of life, measured with the 3-level version of EQ-5D (EQ-5D-3L) Index and EQ-visual analog scale (VAS), before and 1-year after THA. Mixed models, using hierarchical linear regression adjusted for patient sex, age, preoperative health-related quality of life and Charnley classification, were fitted to estimate the gain in EQ-5D-3L Index and EQ-VAS with 95% confidence intervals based on surgeon sex. RESULTS: In total, 8,383 primary THAs were done for osteoarthritis by 193 surgeons. Of those, 37 were women and 156 were men. The regression model was showed that patients operated by female surgeons had a ß-coefficient of gain in EQ-5D-3L Index of -0.001 (-0.022 to 0.021) and a ß-coefficient of gain in EQ VAS of 0.004 (-0.023 to 0.030), compared with patients operated by male surgeons. Similar results were obtained in a sensitivity analysis including attendings only. DISCUSSION: Patients undergoing primary THA reported similar gain in health-related quality of life regardless of surgeon sex. Based on our results, health-related quality of life after primary THA was not associated with the sex of the operating surgeon.
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Artroplastia de Quadril , Osteoartrite do Quadril , Cirurgiões , Humanos , Masculino , Feminino , Suécia , Osteoartrite do Quadril/cirurgia , Qualidade de Vida , Medidas de Resultados Relatados pelo Paciente , Sistema de RegistrosRESUMO
BACKGROUND: Although most nondisplaced or minimally displaced femoral neck fractures are routinely treated with internal fixation, high rates of secondary surgical procedures are common, especially in the elderly population. Primary arthroplasty in elderly patients has been proposed as an alternative treatment to reduce the need for a secondary surgical procedure. The objective of this study was to describe the rate of conversion to arthroplasty within 5 years after internal fixation of nondisplaced femoral neck fractures in patients ≥60 years of age. METHODS: In this observational cohort study of prospectively collected data from the Swedish Fracture Register (SFR) between 2012 and 2018, cross-matched with the Swedish Arthroplasty Register (SAR), 5,428 nondisplaced femoral neck fractures in patients ≥60 years of age were included. Competing risk analysis was used to estimate conversion rates to arthroplasty and mortality in various age groups at 1, 2, and 5 years. RESULTS: The cumulative incidence function (CIF) for conversion to arthroplasty was 6.3% at 1 year, 8.1% at 2 years, and 10.1% at 5 years. The conversion rates within 2 years were 6.5% in 60 to 69-year-olds, 9.6% in 70 to 79-year-olds, and 7.8% in ≥80-year-olds. Women had a higher risk of conversion; the hazard ratio (HR) was 1.49 (95% confidence interval [CI], 1.19 to 1.87). The cumulative mortality was 21.3% (95% CI, 20.3% to 22.5%) at 1 year, 31.3% (95% CI, 30.0% to 32.6%) at 2 years, and 54.9% (95% CI, 53.1% to 56.7%) at 5 years. Mortality was higher in men at all time points, and the adjusted 1-year HR was 1.79 (95% CI, 1.61 to 2.00). CONCLUSIONS: One in 10 patients ≥60 years of age treated with internal fixation for a nondisplaced femoral neck fracture underwent conversion to arthroplasty within 5 years, and more than one-half of the conversions occurred within the first year. The risk of conversion was highest in women and in patients 70 to 79 years of age. These data warrant further studies in this frail patient group to identify subgroups of patients who would benefit from primary arthroplasty for nondisplaced femoral neck fractures. LEVEL OF EVIDENCE: Prognostic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Artroplastia de Quadril , Fraturas do Colo Femoral , Masculino , Humanos , Feminino , Idoso , Pré-Escolar , Suécia , Fraturas do Colo Femoral/cirurgia , Artroplastia , Medição de Risco , Fixação Interna de Fraturas/métodos , Reoperação , Artroplastia de Quadril/efeitos adversos , Resultado do Tratamento , Estudos RetrospectivosRESUMO
BACKGROUND: Stereotypes may prevail, but little is known about the influence that the sex of an orthopaedic surgeon may have on outcomes. In a recently published study, there were no differences in the rate of adverse events following total hip arthroplasties (THAs) performed by female or male orthopaedic surgeons. The objective of the present study was to investigate whether there was any difference in adverse events within 90 days following a primary THA performed by either a male or female surgeon in Sweden. METHODS: A retrospective study was performed to evaluate primary THAs performed for osteoarthritis between 2008 and 2016 at 10 hospitals in western Sweden. Local hospital data were linked with the Swedish Hip Arthroplasty Register (SHAR) and with a regional patient register. Data collected from local hospitals and the SHAR included surgeon-related information (e.g., sex, annual volume, and level of training) and patient-related information (e.g., age, sex, and Elixhauser comorbidity index). Adverse events were retrieved from the regional patient register. The definition of adverse events followed the SHAR definition of adverse events. Mixed models were used to investigate the impact of surgeon sex on adverse events. RESULTS: A total of 11,993 primary THAs were performed by 200 surgeons, of whom 17.5% were women. The proportions of adverse events within 90 days were similar for female (6%) and male (7%) surgeons. No association was found between surgeon sex and adverse events (adjusted odds ratio, 0.72; 95% confidence interval, 0.52 to 1.00) when all surgeons (both attendings and residents) were included in the analysis. A sensitivity analysis that included attendings only yielded similar results (adjusted odds ratio, 0.88; 95% confidence interval, 0.60 to 1.29). CONCLUSIONS: Despite a small tendency toward lower rates of adverse events at 90 days after THAs performed by female surgeons, there was no significant association between surgeon sex and the risk of adverse events following THA. LEVEL OF EVIDENCE: Therapeutic Level III . See Instructions for Authors for a complete description of levels of evidence.
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Artroplastia de Quadril , Cirurgiões , Artroplastia de Quadril/métodos , Feminino , Hospitais Públicos , Humanos , Masculino , Estudos Retrospectivos , Suécia/epidemiologia , Resultado do TratamentoRESUMO
OBJECTIVE: To compare problems reported in the five EQ-5D-3L dimensions and EQ VAS scores at baseline and at 1-year follow-up among different patient groups and specific diagnoses in 11 National Quality Registers (NQRs) and to compare these with the general population. DESIGN: Longitudinal, descriptive study. PARTICIPANTS: 2 66 241 patients from 11 NQRs and 49 169 participants from the general population were included in the study. PRIMARY AND SECONDARY OUTCOME MEASURES: Proportions of problems reported in the five EQ-5D-3L dimensions, EQ VAS scores of participants' own health and proportions of participants and mean/median EQ VAS score in the Paretian Classification of Health Change (PCHC) categories. RESULTS: In most of the included registers, and the general population, problems with pain/discomfort were the most frequently reported at baseline and at 1-year follow-up. Mean EQ VAS score (SD) ranged from 45.2 (22.4) among disc hernia patients to 88.1 (15.3) in wrist and hand fracture patients at baseline. They ranged from 48.9 (20.9) in pulmonary fibrosis patients to 83.3 (17.4) in wrist and hand fracture patients at follow-up. The improved category of PCHC, improvement in at least one dimension without deterioration in any other, accounted for the highest proportion in several diagnoses, corresponding with highest improvement in mean EQ VAS score. CONCLUSIONS: The study documented self-reported health of several different patient groups using the EQ-5D-3L in comparing with the general population. This demonstrated the important role of patient-reported outcomes in routine clinical care, to assess and follow-up health status and progress within different groups of patients. The EQ-5D-3L descriptive system and EQ VAS have an important role in providing a 'common denominator', allowing comparisons across NQRs and specific diagnoses. TRIAL REGISTRATION NUMBER: ClinicalTrials.gov (NCT04359628).
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Nível de Saúde , Qualidade de Vida , Humanos , Estudos Longitudinais , Inquéritos e Questionários , Suécia/epidemiologiaRESUMO
INTRODUCTION: Dual mobility cups (DMC) are gaining in popularity, as a method to reduce the risk of dislocation after fracture-related hip arthroplasty. Our aim was to compare revision rate in general, as well as due to dislocation and infection, after DMC and conventional THA due to femoral neck fracture, for each of the two groups of lateral and posterior approach. MATERIALS AND METHODS: This observational cohort study based on the Swedish Arthroplasty Register (SAR) compared 2242 patients with dual mobility cups (DMC) and 6726 with conventional total hip arthroplasty (cTHA), all due to acute fracture 2005-2019. This was after propensity score matching of 1:3 (age, gender, ASA). Kaplan-Meier survival analysis was used to investigate the 5-year revision rate after DMC and cTHA in the posterior and lateral approach groups. RESULTS: The rates of revision in general, and due to dislocation or infection, were similar for DMC and cTHA in the different approach groups during the follow-up. The cumulative revision rate after posterior approach was 4.7% (95% CI 3.1-6.2) for DMC and 4.8% (3.8-5.7) for cTHA at 5 years. For lateral approach, the result was 2.3% (CI 1.3-3.3) for DMC and 3.7% (CI 3.0-4.4) for cTHA. The 5-year results for cumulative revision rate due to dislocation after posterior approach were 1.3% (0.4-2.2) for DMC and 2.2% (1.5-2.8) for cTHA. Corresponding results for lateral approach was 0.4% (0-0.8) for DMC and 0.7% (0.4-1) for cTHA. DISCUSSION: With implant revision surgery as outcome, we could not detect any differences between DMC and cTHA. Further studies with high external validity are needed regarding total dislocation rate, patient-reported outcome, cost-effectiveness and learning curve, to make a definitive recommendation on the use of DMC for fracture cases. CONCLUSIONS: As treatment of acute femoral neck fractures, total hip arthroplasty with a dual mobility cup have similar outcome in terms of revisions in general, and due to dislocation or infections specifically, as one with conventional bearing. The similar outcome is regardless of surgical approach.
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Artroplastia de Quadril , Fraturas do Colo Femoral , Luxação do Quadril , Prótese de Quadril , Artroplastia de Quadril/efeitos adversos , Estudos de Coortes , Fraturas do Colo Femoral/epidemiologia , Fraturas do Colo Femoral/cirurgia , Luxação do Quadril/cirurgia , Prótese de Quadril/efeitos adversos , Humanos , Desenho de Prótese , Falha de Prótese , Reoperação , Estudos Retrospectivos , Suécia/epidemiologiaRESUMO
Background and purpose - Feedback programs relating to surgeon levels have been introduced in some orthopedic quality registers around the globe. The aim of an established surgeon feedback program is to help surgeons understand their practice and enable an analysis of their own results. There is no surgeon feedback program in Sweden in the orthopedic quality registers and there is a fear that a feedback system might pinpoint surgeons as poor performers, partly due to patient case mix. As a step prior to the introduction of a future possible feedback program in Sweden, we assessed the variation in the occurrence of adverse events (AE) within 90 days and reoperations within 2 years between surgeons in western Sweden and explored the number of surgeons outside the control-limit following primary total hip arthroplasties (THAs).Patients and methods - Patient data, surgical data, and information on the surgeons, relating to surgeries performed in 2011-2016, were retrieved from 9 publicly funded hospitals in western Sweden. Data from medical hospital records, the Swedish Hip Arthroplasty Register (SHAR) and a regional patient register located in western Sweden were linked to a database. Funnel plots with control-limits based on upper 95% and 99.8% confidence intervals (CI) were used to illustrate the variation between surgeons in terms of the outcome and to explore the number of surgeons outside the control-limit. Both observed and standardized proportions are explored. The definition of surgeons outside the control-limit in the study is a surgeon above the upper 95% CI.Results - The study comprised 9,482 primary THAs due to osteoarthritis performed by 208 surgeons, where 91% of the included primary THAs were performed by orthopedic specialists and 9% by trainees. The mean overall annual volume for all surgeons was 27. The observed overall mean rate for AEs within 90 days for all surgeons was 6.2% (5.8-6.7) and for reoperations within 2 years 1.8% (1.7-2.2). The proportion of surgeons outside the 95% CI was low for both AEs (0-5%) and reoperations within 2 years (0-1%) in 2011-2016. The corresponding numbers were even lower for AEs (0-3%) but similar for reoperations (0-1%) after standardization for differences in case mix. In a sub-analysis when the number of surgeries performed was restricted to more than 10 primary THAs annually to being evaluated, almost half or more of all the surgeons were excluded from the annual analysis. The result of this restriction was that all surgeons outside the control-limit disappeared after standardization for both AEs and reoperations for all the years investigated. Considering the complete period of 6 years, less than 1% (1 high-volume surgeon for AEs and 2 high-volume surgeons for reoperations) after risk adjustments were outside the 95% CI, and no surgeons were outside the 99.8% CI.Interpretation - In a Swedish setting, the variation in surgeon performance, as measured by AEs within 90 days and reoperations within 2 years following primary THA, was small and 3% or less of the surgeons were outside the 95% CI for the investigated years after adjustments for case mix. The risk for an individual surgeon to be regarded as having poor performance when creating surgeon-specific feedback in the SHAR is very low when volume and patient risk factors are considered.
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Artroplastia de Quadril/normas , Competência Clínica/normas , Procedimentos Ortopédicos/normas , Complicações Pós-Operatórias/epidemiologia , Reoperação/estatística & dados numéricos , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Artroplastia de Quadril/estatística & dados numéricos , Feminino , Feedback Formativo , Humanos , Masculino , Pessoa de Meia-Idade , Procedimentos Ortopédicos/estatística & dados numéricos , Suécia , Fatores de Tempo , Adulto JovemRESUMO
Background and purpose - Fast-track care programs have been broadly introduced at Swedish hospitals in elective total hip and knee replacement (THR/TKR). We studied the influence of fast-track programs on patient-reported outcomes (PROs) 1 year after surgery, by exploring outcome measures registered in the Swedish arthroplasty registers.Patients and methods - Data were obtained from the Swedish Knee and Hip Arthroplasty Registers and included TKR and THR operations 2011-2015 on patients with osteoarthritis. Based on questionnaires concerning the clinical pathway and care programs at Swedish hospitals, the patients were divided in 2 groups depending on whether they had been operated in a fast-track program or not. PROs of the fast-track group were compared with not fast-track using regression analysis. EQ-5D, EQ VAS, Pain VAS, and Satisfaction VAS were analyzed for both THR and TKR operations. The PROMs for TKR also included KOOS.Results - The differences of EQ-5D, EQ VAS, Pain VAS, and Satisfaction VAS 1 year after surgery were small but all in favor of fast-track for both THR and TKR, also in subscales of KOOS for TKR except KOOS QoL. However, the effect sizes as measured by Cohens' d formula were < 0.2 for all PROs, in both THR and TKR.Interpretation - Our results indicate that the fast-track programs may be at least as good as conventional care from the perspective of PROs 1-year postoperatively.
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Artroplastia de Quadril/estatística & dados numéricos , Artroplastia do Joelho/estatística & dados numéricos , Idoso , Artroplastia de Quadril/métodos , Artroplastia do Joelho/métodos , Feminino , Humanos , Masculino , Osteoartrite do Quadril/cirurgia , Osteoartrite do Joelho/cirurgia , Medidas de Resultados Relatados pelo Paciente , Satisfação do Paciente/estatística & dados numéricos , Inquéritos e Questionários , Suécia , Fatores de TempoRESUMO
INTRODUCTION: Osteoarthritis (OA) is the most common form of arthritis and a leading cause of disability worldwide. Metabolic comorbidities such as type II diabetes occur with a higher rate in people with OA than in the general population. Several factors including obesity, hyperglycaemia toxicity and physical inactivity have been suggested as potential links between diabetes and OA, and have been shown to negatively impact patients' health and quality of life. However, little is known on the role of diabetes in determining the outcome of non-surgical and surgical management of OA, and at the same time, how different OA interventions may affect diabetes control. Thus, the overall aim of this project is to explore (1) the impact of diabetes on the outcome of non-surgical and surgical OA treatments and (2) the impact of non-surgical and surgical OA treatments on diabetes control. METHODS AND ANALYSIS: The study cohort is based on prospectively ascertained register data on a national level in Sweden. Data from OA patients who received a first-line non-surgical intervention and are registered in the National Quality Register for Better Management of Patients with Osteoarthritis will be merged with data from the Swedish Knee and Hip Arthroplasty Registers and the National Diabetes Register. Additional variables regarding patients' use of prescribed drugs, comorbidities, socioeconomic status and cause of death will be obtained through other national health and population data registers. The linkage will be performed on an individual level using unique personal identity numbers. ETHICS AND DISSEMINATION: This study received ethical approval (2019-02570) from the Swedish Ethical Review Authority. Results from this cohort will be submitted to peer-reviewed scientific journals and reported at the leading national and international meetings in the field.
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Diabetes Mellitus Tipo 2/complicações , Osteoartrite do Quadril/terapia , Osteoartrite do Joelho/terapia , Artroplastia de Quadril , Artroplastia do Joelho , Estudos de Coortes , Humanos , Síndrome Metabólica/complicações , Osteoartrite do Quadril/complicações , Osteoartrite do Joelho/complicações , Qualidade de Vida , Projetos de Pesquisa , Suécia , Resultado do TratamentoRESUMO
Background and purpose - The outcome of total hip arthroplasty (THA) in younger patients is suggested to be inferior compared with the general THA population. There is a lack of studies with long-term follow up for very young patients. We report on implant survival and patient-reported outcome in patients aged 30 years or younger. Patients and methods - Data on THAs performed in Sweden between the years 2000 and 2016 were included. There were 504 patients 30 years or younger with complete demographic and surgical data (study group). A matched comparison group older than 30 years was identified. Implant survival was analyzed using the Kaplan-Meier method. Patient-reported outcome was analyzed in a subgroup of patients. Results - The 10-year and 15-year implant survivorship for the study group was 90% and 78%, respectively. The corresponding figures for the patients older than 30 years were 94% and 89%. The median preoperative EQ-5D index was lower in the study group; the improvement in EQ-5D index was similar between the study and the comparison groups. The preoperative EQ-VAS was lower and the improvement in EQ-VAS at 1 year was larger in the study group. Interpretation - The promising 10-year implant survival and 1-year improvement in patient-reported outcome suggests that THA is a feasible option in the patients 30 years or younger.
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Artrite/cirurgia , Falha de Prótese , Adulto , Fatores Etários , Idoso , Artroplastia de Quadril , Estudos de Coortes , Feminino , Necrose da Cabeça do Fêmur/cirurgia , Prótese de Quadril , Humanos , Masculino , Pessoa de Meia-Idade , Osteoartrite do Quadril/cirurgia , Medidas de Resultados Relatados pelo Paciente , Fraturas Periprotéticas/epidemiologia , Fraturas Periprotéticas/cirurgia , Infecções Relacionadas à Prótese/epidemiologia , Infecções Relacionadas à Prótese/cirurgia , Sistema de Registros , Reoperação/estatística & dados numéricos , Suécia/epidemiologia , Adulto JovemRESUMO
OBJECTIVES: Low-dose aspirin is standard treatment for prevention of cardiovascular events in at-risk patients. However, long-term administration of low-dose aspirin is associated with a greater risk of adverse events, including gastroduodenal ulcers. This study determined the efficacy of esomeprazole for reducing the risk of gastric and/or duodenal ulcers and dyspeptic symptoms in patients receiving continuous, low-dose aspirin therapy. METHODS: Patients aged > or =60 yr, without baseline gastroduodenal ulcer at endoscopy, who were receiving aspirin 75-325 mg once daily, were randomized to esomeprazole 20 mg once daily or placebo for 26 wk. The presence of endoscopic gastric and/or duodenal ulcers and esophageal lesions was assessed at weeks 8 and 26. Upper gastrointestinal symptoms were assessed at weeks 8, 16, and 26. RESULTS: The intention-to-treat population comprised 991 patients (esomeprazole, N = 493; placebo, N = 498). Twenty-seven patients (5.4%) in the placebo group developed a gastric or duodenal ulcer during 26 weeks' treatment compared with eight patients (1.6%) in the esomeprazole group (life-table estimates: 6.2%vs 1.8%; P= 0.0007). At 26 wk, the cumulative proportion of patients with erosive esophagitis was significantly lower for esomeprazole versus placebo (4.4% and 18.3%, respectively; P < 0.0001). At 26 wk, esomeprazole-treated patients were more likely to experience resolution of heartburn, acid regurgitation, and epigastric pain (P < 0.05). CONCLUSIONS: Esomeprazole 20 mg once daily reduces the risk of developing gastric and/or duodenal ulcers and symptoms associated with the continuous use of low-dose aspirin in patients aged > or =60 yr without preexisting gastroduodenal ulcers.