Objective To determine if the dietary supplements, glucosamine and/or chondroitin, result in reduced joint space narrowing (JSN) and pain among people with symptomatic knee osteoarthritis. Methods A double-blind randomised placebo-controlled clinical trial with 2-year follow-up. 605 participants, aged 45–75 years, reporting chronic knee pain and with evidence of medial tibio-femoral compartment narrowing (but retaining >2 mm medial joint space width) were randomised to once daily: glucosamine sulfate 1500 mg (n=152), chondroitin sulfate 800 mg (n=151), both dietary supplements (n=151) or matching placebo capsules (n=151). JSN (mm) over 2 years was measured from digitised knee radiographs. Maximum knee pain (0–10) was self-reported in a participant diary for 7 days every 2 months over 1 year. Results After adjusting for factors associated with structural disease progression (gender, body mass index (BMI), baseline structural disease severity and Heberden's nodes), allocation to the dietary supplement combination (glucosamine–chondroitin) resulted in a statistically significant (p=0.046) reduction of 2-year JSN compared to placebo: mean difference 0.10 mm (95% CI 0.002 mm to 0.20 mm); no significant structural effect for the single treatment allocations was detected. All four allocation groups demonstrated reduced knee pain over the first year, but no significant between-group differences (p=0.93) were detected. 34 (6%) participants reported possibly-related adverse medical events over the 2-year follow-up period. Conclusions Allocation to the glucosamine–chondroitin combination resulted in a statistically significant reduction in JSN at 2 years. While all allocation groups demonstrated reduced knee pain over the study period, none of the treatment allocation groups demonstrated significant symptomatic benefit above placebo. Trial Registration ClinicalTrials.gov identifier: NCT00513422; http://www.clinicaltrials.gov
28 May 2014 in Occupational and Environmental Medicine
Objective The aims of this systematic review were to determine the prevalence of reduced work productivity among people with chronic knee pain as well as specifically categorise determinants of work productivity losses into individual, disease and work-related factors, conduct an evaluation of study methodological quality and present a best-evidence synthesis. Methods We searched the literature using combinations of key words such as knee pain, knee osteoarthritis, absenteeism (days taken off work) and presenteeism (reduced productivity while at work) for observational studies published in English. Methodological quality appraisal and a best-evidence synthesis were used to pool the study findings. Results The studies were conducted exclusively in high income countries of North America, Western Europe and Hong Kong. 17 studies were included in the review, 10 measuring absenteeism and six measuring presenteeism. Of the 10 studies reporting absenteeism, seven found a 12-month absenteeism prevalence ranging from 5% to 22%. Only two studies evaluated presenteeism prevalence and reported a range from 66% to 71%. Using best-evidence synthesis: three high quality cohort studies and three cross-sectional studies provided strong evidence that knee pain or knee osteoarthritis was associated with absenteeism; two high quality cross-sectional studies and one cohort study provided limited evidence for an association with presenteeism; one cross-sectional study provided limited evidence for an association among age, high job demands and low coworker support and absenteeism among nurses with knee pain. No studies examined individual or work-related factors associated with presenteeism. Conclusions A number of high quality studies consistently demonstrated that chronic knee pain or knee osteoarthritis is associated with absenteeism. However, data are lacking regarding presenteeism and individual or work-related risk factors for reduced work productivity among older workers with chronic knee pain. Systematic review registration number PROSPERO registry number: CRD42013004137.
1 February 2011 in Best Practice & Research Clinical Rheumatology
Ineffective knowledge dissemination contributes to clinical practice and service improvements not being realised. Meaningful knowledge translation can occur through the understanding and matching of appropriate communication mediums that are relevant for different stakeholders or audiences. To this end, we present a dissemination instrument, the ‘REAch and Diffusion of health iMprovement Evidence’ (README) checklist, for the communication of research findings, integrating both traditional and newer communication mediums. Additionally, we propose a ‘Strategic Translation and Engagement Planning’ (STEP) tool, for use when deciding which mediums to select. The STEP tool challenges the need for communicating complex and simple information against the desire for passive or active stakeholder interaction. Used collaboratively by academics and health professionals, README and STEP can promote co-production of research, subsequent diffusion of knowledge, and develop the capacity and skills of all stakeholders.
Globally, health service leaders and managers have a critical role in strengthening health systems. Competency frameworks for health service managers are usually designed to describe expectations of good performance of a health manager within a country-specific health sector context. However, a growing number of health service management roles operate beyond a country-specific level, with managers requiring a global perspective and the skills and knowledge to work effectively across a range of countries and contexts. This study provides an exploratory analysis of the most relevant qualities perceived to facilitate health service managers to be effective when working in such roles. A qualitative, descriptive, and exploratory multi-centre study was undertaken. Semi-structured individual interviews were conducted between August and November 2017 with 15 health service managers or leaders at a range of levels from seven countries [Australia (5), China (2), Indonesia (3), Oman (1), Papua New Guinea (1), United Kingdom (1) and United States of America (2)]. Five themes emerged relating to the qualities required from health leaders in order to be effective when working in a global context: i) Managing and Making Change, ii) Collaborative Managers and Compassionate Leaders, iii) Continuous Learning, iv) Balancing Management Theory and Practice, and v) Leadership Skills. Our findings highlight underpinning themes relating to making and managing change and collaboration, reflecting the changing needs of health services to deliver high quality care. These themes were identified in addition to some of the common qualities required of healthcare leaders and managers that are identified that reflect many country-specific frameworks.