There are differences in kinematic and kinetic characteristics between foot-strike patterns when running. Clinicians should be aware of these characteristics to help in the management of running injuries and advice on training.
Objective To assess the effectiveness and safety of different preparations and doses of non-steroidal anti-inflammatory drugs (NSAIDs), opioids, and paracetamol for knee and hip osteoarthritis pain and physical function to enable effective and safe use of these drugs at their lowest possible dose. Design Systematic review and network meta-analysis of randomised trials. Data sources Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Embase, regulatory agency websites, and ClinicalTrials.gov from inception to 28 June 2021. Eligibility criteria for selecting studies Randomised trials published in English with ≥100 patients per group that evaluated NSAIDs, opioids, or paracetamol (acetaminophen) to treat osteoarthritis. Outcomes and measures The prespecified primary outcome was pain. Physical function and safety outcomes were also assessed. Review methods Two reviewers independently extracted outcomes data and evaluated the risk of bias of included trials. Bayesian random effects models were used for network meta-analysis of all analyses. Effect estimates are comparisons between active treatments and oral placebo. Results 192 trials comprising 102 829 participants examined 90 different active preparations or doses (68 for NSAIDs, 19 for opioids, and three for paracetamol). Five oral preparations (diclofenac 150 mg/day, etoricoxib 60 and 90 mg/day, and rofecoxib 25 and 50 mg/day) had ≥99% probability of more pronounced treatment effects than the minimal clinically relevant reduction in pain. Topical diclofenac (70-81 and 140-160 mg/day) had ≥92.3% probability, and all opioids had ≤53% probability of more pronounced treatment effects than the minimal clinically relevant reduction in pain. 18.5%, 0%, and 83.3% of the oral NSAIDs, topical NSAIDs, and opioids, respectively, had an increased risk of dropouts due to adverse events. 29.8%, 0%, and 89.5% of oral NSAIDs, topical NSAIDs, and opioids, respectively, had an increased risk of any adverse event. Oxymorphone 80 mg/day had the highest risk of dropouts due to adverse events (51%) and any adverse event (88%). Conclusions Etoricoxib 60 mg/day and diclofenac 150 mg/day seem to be the most effective oral NSAIDs for pain and function in patients with osteoarthritis. However, these treatments are probably not appropriate for patients with comorbidities or for long term use because of the slight increase in the risk of adverse events. Additionally, an increased risk of dropping out due to adverse events was found for diclofenac 150 mg/day. Topical diclofenac 70-81 mg/day seems to be effective and generally safer because of reduced systemic exposure and lower dose, and should be considered as first line pharmacological treatment for knee osteoarthritis. The clinical benefit of opioid treatment, regardless of preparation or dose, does not outweigh the harm it might cause in patients with osteoarthritis. Systematic review registration PROSPERO number CRD42020213656
Research in the past decade supports some major changes to the primary care management of non-specific low back pain (LBP). The present article summarises recommendations from recently published United Kingdom, Danish, Belgian and United States guidelines to alert readers to the important changes in recommendations for management, and the recommendations from previous guidelines that remain unchanged. Main recommendations: Use a clinical assessment to triage patients with LBP. Further diagnostic workup is only required for the small number of patients with suspected serious pathology. For many patients with non-specific LBP, simple first line care (advice, reassurance and self-management) and a review at 1-2 weeks is all that is required. If patients need second line care, non-pharmacological treatments (eg, physical and psychological therapies) should be tried before pharmacological therapies. If pharmacological therapies are used, they should be used at the lowest effective dose and for the shortest period of time possible. Exercise and/or cognitive behavioural therapy, with multidisciplinary treatment for more complex presentations, are recommended for patients with chronic LBP. Electrotherapy, traction, orthoses, bed rest, surgery, injections and denervation procedures are not recommended for patients with non-specific LBP. Changes in management as a result of the guidelines: The major changes include: emphasising simple first line care with early follow-up; encouraging non-pharmacological treatments over pharmacological treatments; and recommending against the use of surgery, injections and denervation procedures.
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