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1.
BMJ ; 379: e071281, 2022 10 31.
Artigo em Inglês | MEDLINE | ID: mdl-36316046

RESUMO

OBJECTIVES: To determine whether patient reported outcomes improve after single stage versus two stage revision surgery for prosthetic joint infection of the hip, and to determine the cost effectiveness of these procedures. DESIGN: Pragmatic, parallel group, open label, randomised controlled trial. SETTING: High volume tertiary referral centres or orthopaedic units in the UK (n=12) and in Sweden (n=3), recruiting from 1 March 2015 to 19 December 2018. PARTICIPANTS: 140 adults (aged ≥18 years) with a prosthetic joint infection of the hip who required revision (65 randomly assigned to single stage and 75 to two stage revision). INTERVENTIONS: A computer generated 1:1 randomisation list stratified by hospital was used to allocate participants with prosthetic joint infection of the hip to a single stage or a two stage revision procedure. MAIN OUTCOME MEASURES: The primary intention-to-treat outcome was pain, stiffness, and functional limitations 18 months after randomisation, measured by the Western Ontario and McMasters Universities Osteoarthritis Index (WOMAC) score. Secondary outcomes included surgical complications and joint infection. The economic evaluation (only assessed in UK participants) compared quality adjusted life years and costs between the randomised groups. RESULTS: The mean age of participants was 71 years (standard deviation 9) and 51 (36%) were women. WOMAC scores did not differ between groups at 18 months (mean difference 0.13 (95% confidence interval -8.20 to 8.46), P=0.98); however, the single stage procedure was better at three months (11.53 (3.89 to 19.17), P=0.003), but not from six months onwards. Intraoperative events occurred in five (8%) participants in the single stage group and 20 (27%) in the two stage group (P=0.01). At 18 months, nine (14%) participants in the single stage group and eight (11%) in the two stage group had at least one marker of possible ongoing infection (P=0.62). From the perspective of healthcare providers and personal social services, single stage revision was cost effective with an incremental net monetary benefit of £11 167 (95% confidence interval £638 to £21 696) at a £20 000 per quality adjusted life years threshold (£1.0; $1.1; €1.4). CONCLUSIONS: At 18 months, single stage revision compared with two stage revision for prosthetic joint infection of the hip showed no superiority by patient reported outcome. Single stage revision had a better outcome at three months, fewer intraoperative complications, and was cost effective. Patients prefer early restoration of function, therefore, when deciding treatment, surgeons should consider patient preferences and the cost effectiveness of single stage surgery. TRIAL REGISTRATION: ISRCTN registry ISRCTN10956306.


Assuntos
Qualidade de Vida , Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Análise Custo-Benefício , Ontário , Anos de Vida Ajustados por Qualidade de Vida , Suécia
2.
BMJ Open ; 10(1): e031645, 2020 01 21.
Artigo em Inglês | MEDLINE | ID: mdl-31969360

RESUMO

OBJECTIVES: Understanding patients' preferences for treatment is crucial to provision of good care and shared decisions, especially when more than one treatment option exists for a given condition. One such condition is infection of the area around the prosthesis after hip replacement, which affects between 0.4% and 3% of patients. There is more than one treatment option for this major complication, and our study aimed to assess the value that patients place on aspects of revision surgery for periprosthetic hip infection. DESIGN: We identified four attributes of revision surgery for periprosthetic hip infection. Using a discrete choice experiment (DCE), we measured the value placed on each attribute by 57 people who had undergone either one-stage or two-stage revision surgery for infection. SETTING: The DCE was conducted with participants from nine National Health Service hospitals in the UK. PARTICIPANTS: Adults who had undergone revision surgery for periprosthetic hip infection (N=57). RESULTS: Overall, the strongest preference was for a surgical option that resulted in no restrictions on engaging in valued activities after a new hip is fitted (ß=0.7). Less valued but still important attributes included a shorter time taken from the start of treatment to return to normal activities (6 months; ß=0.3), few or no side effects from antibiotics (ß=0.2), and having only one operation (ß=0.2). CONCLUSIONS: The results highlight that people who have had revision surgery for periprosthetic hip infection most value aspects of care that affect their ability to engage in normal everyday activities. These were the most important characteristics in decisions about revision surgery.


Assuntos
Antibacterianos/uso terapêutico , Artroplastia de Quadril/efeitos adversos , Tomada de Decisões , Preferência do Paciente , Infecções Relacionadas à Prótese/cirurgia , Reoperação/métodos , Feminino , Humanos , Masculino , Infecções Relacionadas à Prótese/tratamento farmacológico
3.
Eur J Epidemiol ; 33(10): 933-946, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-29623671

RESUMO

One-stage and two-stage revision strategies are the two main options for treating established chronic peri-prosthetic joint infection (PJI) of the hip; however, there is uncertainty regarding which is the best treatment option. We aimed to compare the risk of re-infection between the two revision strategies using pooled individual participant data (IPD). Observational cohort studies with PJI of the hip treated exclusively by one- or two-stage revision and reporting re-infection outcomes were retrieved by searching MEDLINE, EMBASE, Web of Science, The Cochrane Library, and the WHO International Clinical Trials Registry Platform; as well as email contact with investigators. We analysed IPD of 1856 participants with PJI of the hip from 44 cohorts across four continents. The primary outcome was re-infection (recurrence of infection by the same organism(s) and/or re-infection with a new organism(s)). Hazard ratios (HRs) for re-infection were calculated using Cox proportional frailty hazards models. After a median follow-up of 3.7 years, 222 re-infections were recorded. Re-infection rates per 1000 person-years of follow-up were 16.8 (95% CI 13.6-20.7) and 32.3 (95% CI 27.3-38.3) for one-stage and two-stage strategies respectively. The age- and sex-adjusted HR of re-infection for two-stage revision was 1.70 (0.58-5.00) when compared with one-stage revision. The association remained consistently absent after further adjustment for potential confounders. The HRs did not vary importantly in clinically relevant subgroups. Analysis of pooled individual patient data suggest that a one-stage revision strategy may be as effective as a two-stage revision strategy in treating PJI of the hip.


Assuntos
Artroplastia de Quadril/efeitos adversos , Prótese de Quadril/efeitos adversos , Infecções/cirurgia , Complicações Pós-Operatórias/cirurgia , Infecções Relacionadas à Prótese/cirurgia , Reoperação/métodos , Idoso , Artroplastia de Quadril/métodos , Estudos de Coortes , Feminino , Prótese de Quadril/microbiologia , Humanos , Infecções/complicações , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Reoperação/estatística & dados numéricos , Resultado do Tratamento
4.
Trials ; 17: 90, 2016 Feb 17.
Artigo em Inglês | MEDLINE | ID: mdl-26883420

RESUMO

BACKGROUND: Periprosthetic joint infection (PJI) affects approximately 1% of patients following total hip replacement (THR) and often results in severe physical and emotional suffering. Current surgical treatment options are debridement, antibiotics and implant retention; revision THR; excision of the joint and amputation. Revision surgery can be done as either a one-stage or two-stage operation. Both types of surgery are well-established practice in the NHS and result in similar rates of re-infection, but little is known about the impact of these treatments from the patient's perspective. The main aim of this randomised controlled trial is to determine whether there is a difference in patient-reported outcome measures 18 months after randomisation for one-stage or two-stage revision surgery. METHODS/DESIGN: INFORM (INFection ORthopaedic Management) is an open, two-arm, multi-centre, randomised, superiority trial. We aim to randomise 148 patients with eligible PJI of the hip from approximately seven secondary care NHS orthopaedic units from across England and Wales. Patients will be randomised via a web-based system to receive either a one-stage revision or a two-stage revision THR. Blinding is not possible due to the nature of the intervention. All patients will be followed up for 18 months. The primary outcome is the WOMAC Index, which assesses hip pain, function and stiffness, collected by questionnaire at 18 months. Secondary outcomes include the following: cost-effectiveness, complications, re-infection rates, objective hip function assessment and quality of life. A nested qualitative study will explore patients' and surgeons' experiences, including their views about trial participation and randomisation. DISCUSSION: INFORM is the first ever randomised trial to compare two widely accepted surgical interventions for the treatment of PJI: one-stage and two-stage revision THR. The results of the trial will benefit patients in the future as the main focus is on patient-reported outcomes: pain, function and wellbeing in the long term. Patients state that these outcomes are more important than those that are clinically derived (such as re-infection) and have been commonly used in previous non-randomised studies. Results from the INFORM trial will also benefit clinicians and NHS managers by enabling the comparison of these key interventions in terms of patients' complication rates, health and social resource use and their overall cost-effectiveness. TRIAL REGISTRATION: Current controlled trials ISRCTN10956306 (registered on 29 January 2015); UKCRN ID 18159.


Assuntos
Artroplastia de Quadril/efeitos adversos , Protocolos Clínicos , Articulação do Quadril/cirurgia , Artropatias/cirurgia , Complicações Pós-Operatórias/cirurgia , Análise Custo-Benefício , Humanos , Infecções/cirurgia , Avaliação de Resultados em Cuidados de Saúde , Pesquisa Qualitativa , Qualidade de Vida
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