Background: The purpose of this randomized controlled trial was to compare the performance of 3 total knee joint replacement (TKJR) designs 6 months after the surgery. Methods: Patients were recruited between March 2015 and March 2018. Patients with osteoarthritis consented for TKJR were randomly allocated to a medial stabilized (MS), cruciate retaining (CR), or posterior stabilized (PS) design. Primary outcome measures were self-reported improvement in pain and function 6 months after TKJR, using the Oxford Knee Score. Secondary outcome measures were the Western Ontario and McMaster Universities Osteoarthritis Index, Veterans RAND 12-item Health Survey, Knee Society Score 2011, Timed Up and Go test, and Six-Minute Walk Test. Twelve-month outcomes were also measured. Results: Ninety participants enrolled, 83 were randomized: PS (n ¼ 26), CR (n ¼ 28), and MS (n ¼ 29) designs. One case withdrew before surgery: planned use of non-study implant; 7 did not complete all outcome measures. No 6-month between-group difference was observed for the primary outcome. A 6-month difference was observed in Knee Society Score 2011 Satisfaction: MS favored over CR and PS. Clinically meaningful 12-month differences in Western Ontario and McMaster Universities Osteoarthritis Index Pain, Function, and Global Subscales were observed: MS favored over CR. Twelve-month differences occurred in Veterans RAND 12-item Health Survey mental well-being, favoring MS and PS over CR. Conclusion: MS prosthesis can be expected to yield similar clinical and functional outcomes to PS and CR designs 6 months after TKJR, and patients were more satisfied with their outcome. Compared with CR, patients with MS prosthesis also reported superior pain, function, and quality-of-life outcomes at 12 months.
Plain English summary Involving consumers and community members in the research process is an important step towards developing and delivering effective, person-centered health care. The National Health and Medical Research Council have provided recommendations for involving consumers and community members in research; however, definitive actions to implement these are not well defined. To address this, an established research centre in Melbourne, Australia, has developed a consumer and community involvement framework to incorporate the national recommendations into their research program. This paper describes the framework the research centre has employed, in the hope that other researchers can adapt this approach and learnings to their own research practices. The framework described in this paper aims to foster partnerships between consumers, community members and researchers, and in doing so, encourages consumers to be actively involved in research to help improve future outcomes for those living with musculoskeletal conditions. Simultaneously, the framework encourages researchers to value the consumer voice in their research to ensure they yield meaningful research outcomes for those living with musculoskeletal conditions. Abstract Background The value of involving consumers and community members in every stage of the research process is gaining recognition as an important consideration in the wider research landscape. The National Health and Medical Research Council (NHMRC) has provided general recommendations for involving consumers and community members in research, although the translation of these recommendations into tangible actions has not yet been well defined. In light of these recommendations, many research institutions are now seeking to incorporate the voices of consumers and community members in their research practices. Methods The consumer and community involvement framework described in this paper incorporates the NHMRC’s recommendations to produce a four-tiered model where consumer participants nominate their level of involvement depending on their research interests and preferred level of commitment. In ascending order, the tiers are: Consumer Subscriber, Document Reviewer, Research Buddy and Consumer Advocate. The success of this framework depends upon the implementation of effective governance and access to appropriate infrastructure. A Consumer and Community Advisory Group and a designated Consumer and Community Liaison Officer will take responsibility for ensuring appropriate interactions between consumers, researchers, and the research center’s executive team. The framework aims to apply suitable support structures in place to manage expectations and minimize barriers to effective involvement, whilst ensuring that consumer contributions are appropriately valued and incorporated in the research. Discussion Involving consumers and community members in the research process is an important step towards developing and delivering effective, person-centered health care. While consumer and community involvement offer researchers invaluable perspectives on their research program, it provides an opportunity for consumers and community members to be actively involved in health research and improve the health and wellbeing for those living with health conditions.
Background Venous thromboembolism (VTE), including deep vein thrombosis and pulmonary embolism, represents a significant perioperative complication. However, the outcomes of lower extremity salvage in the setting of perioperative VTE are not well reported. Methods A retrospective review of lower extremity trauma patients requiring soft tissue reconstruction between July 2007 and December 2015 at an urban trauma center was performed. Patients with clinically apparent VTE during inpatient stay were identified. Outcomes compared included success of limb salvage, flap survival, and flap complications. Comorbidities, injury characteristics and perioperative data were also compared between patients with and without VTE. Results One hundred ninety patients with lower extremity injuries underwent local and free flap procedures, with 12 (6.3%) patients developing clinically apparent VTE during hospitalization. Nine VTEs (75.0%) were diagnosed prior to soft tissue reconstruction, and 3 (25.0%) VTEs were diagnosed postreconstruction. The limb salvage rate in patients with VTE was 100%. There were no flap losses in patients with VTE, and the overall flap complication rate was similar between VTE and non-VTE groups (P = 0.26). However, there was an increased risk of postoperative hematoma in patients undergoing free flap transfer with diagnosed VTE compared with patients receiving free flaps without VTE (40.0% vs 2.6%, P = 0.02). Additionally, 1 patient died as a result of pulmonary embolism, and another patient experienced an ischemic stroke from a paradoxical embolism. Conclusions These results suggest that successful limb salvage and flap survival may be achieved in the setting of perioperative VTE, although anticoagulation prophylaxis and treatment are critical in this population due to significant morbidity and mortality associated with VTE.
PurposeThe St Vincent’s Melbourne Arthroplasty Outcomes (SMART) Registry is an institutional clinical registry housed at a tertiary referral hospital in Australia. The SMART Registry is a pragmatic prospective database, which was established to capture a broad range of longitudinal clinical and patient-reported outcome data to facilitate collaborative research that will improve policy and practice relevant to arthroplasty surgery for people with advanced arthritis of the hip or knee. The purpose of this cohort profile paper is to describe the rationale for the SMART Registry’s creation, its methods, baseline data and future plans for the Registry. A full compilation of the data is provided as a reference point for future collaborators.ParticipantsThe SMART Registry cohort comprises over 13 000 consecutive arthroplasty procedures in more than 10 000 patients who underwent their procedure at St Vincent’s Hospital Melbourne, since January 1998. Participant recruitment, data collection and follow-up is ongoing and currently includes up to 20 years follow-up data.Findings to dateSMART Registry data are used for clinical audit and feedback, as well as for a broad range of research including epidemiological studies, predictive statistical modelling and health economic evaluations. At the time of writing, there were 46 publications from SMART Registry data, with contributions from more than 67 coauthors.Future plansWith the recent linking of the SMART Registry with Medicare Benefits Schedule and Pharmaceutical Benefits Scheme data through the Australian Institute of Health and Welfare, research into prescribing patterns and health system utilisation is currently underway. The SMART Registry is also being updated with the Clavien-Dindo classification of surgical complications.
Despite the heterogeneous nature of studies on PD, certain techniques have been consistently shown to optimize postoperative outcomes. Deroofing sinuses and allowing secondary healing results in low rates of recurrence with minimal morbidity. When closure is preferred, off-midline flaps provide more effective coverage than midline repair. Treatment recommendations should be guided by individualized patient preferences and be grounded in high-quality data.
Total knee arthroplasty (TKA) is a highly effective procedure for advanced osteoarthritis of the knee. Thirty-day hospital readmission is an adverse outcome related to complications, which can be mitigated by identifying associated risk factors. We aimed to identify patient-related characteristics associated with unplanned 30-day readmission following TKA, and to determine the effect size of the association between these risk factors and unplanned 30-day readmission. We searched MEDLINE and EMBASE from inception to 8 September 2020 for English language articles. Reference lists of included articles were searched for additional literature. Patients of interest were TKA recipients (primary and revision) compared for 30-day readmission to any institution, due to any cause, based on patient risk factors; case series were excluded. Two reviewers independently extracted data and carried out critical appraisal. In-hospital complications during the index admission were the strongest risk factors for 30-day readmission in both primary and revision TKA patients, suggesting discharge planning to include closer post-discharge monitoring to prevent avoidable readmission may be warranted. Further research could determine whether closer monitoring post-discharge would prevent unplanned but avoidable readmissions. Increased comorbidity burden correlated with increased risk, as did specific comorbidities. Body mass index was not strongly correlated with readmission risk. Demographic risk factors included low socioeconomic status, but the impact of age on readmission risk was less clear. These risk factors can also be included in predictive models for 30-day readmission in TKA patients to identify high-risk patients as part of risk reduction programs.
Background Osteoarthritis is a debilitating condition as well as a growing global health problem, and total knee arthroplasty is an effective treatment for advanced stages of disease. Unplanned 30-day hospital readmission is an indicator of complications, which is a significant financial burden on healthcare systems. The objective is to perform a systematic review of patient-related factors associated with unplanned 30-day readmission following total knee arthroplasty. This information will inform future strategies to improve health outcomes after knee arthroplasty surgery. Methods MEDLINE and EMBASE will be systematically searched using a comprehensive search strategy. Studies of higher quality than case series will be included, in order to optimise the quality of the findings of this review. We will include studies reporting on patient-related risk factors for unplanned 30-day readmission following primary or revision total knee arthroplasty for any indication. Case series will be excluded, as will studies reporting exclusively on intraoperative, clinician, hospital, and health system risk factors. The reference lists of selected papers will then be screened for any additional literature. Two reviewers will independently apply stringent eligibility criteria to titles, abstracts, and full texts of studies identified in the literature search. They will then extract data from the final list of selected papers according to an agreed-upon taxonomy and vocabulary of the data to be extracted. Assessment of risk of bias and quality of evidence will then take place. Finally, the effect size of each identified risk factor will be determined; meta-analysis will be performed where adequate data is available. Discussion The findings of this review and subsequent meta-analysis will aid clinicians as they seek to understand the risk factors for 30-day readmission following total knee arthroplasty. Clinicians and patients will be able to use this information to align expectations of the postoperative course, which will enhance the recovery process, and aid in the development of strategies to mitigate identified risks. Another purpose of this review is to assist policy-makers in developing quality indicators for care and provide insights into the drivers of health costs. Systematic review registration PROSPERO CRD42019118154. Electronic supplementary material The online version of this article (10.1186/s13643-019-1140-3) contains supplementary material, which is available to authorized users.
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