IMPORTANCE Osteoarthritis is a prevalent, debilitating, and costly chronic disease for which recommended first-line treatment is underused.OBJECTIVE To compare the effect of an internet-based treatment for knee osteoarthritis vs routine self-management (ie, usual care). DESIGN, SETTING, AND PARTICIPANTSThis randomized clinical trial was conducted from October 2018 to March 2020. Participants included individuals aged 45 years or older with a diagnosis of knee osteoarthritis recruited from an existing primary care database or from social media advertisements were invited. Data were analyzed April to July 2020. INTERVENTIONSThe intervention and control group conformed to first-line knee osteoarthritis treatment. For the intervention group, treatment was delivered via a smartphone application. The control group received routine self-management care. MAIN OUTCOMES AND MEASURESThe primary outcome was change from baseline to 6 weeks in self-reported pain during the last 7 days, reported on a numerical rating scale (NRS; range, 0-10, with 0 indicating no pain and 10, worst pain imaginable), compared between groups. Secondary outcomes included 2 physical functioning scores, hamstring and quadriceps muscle strength, the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and quantitative sensory testing. RESULTS Among a total of 551 participants screened for eligibility, 146 were randomized and 105 were analyzed (mean [SD] age, 66.7 [9.2] years, 71 [67.1%] women), including 48 participants in the intervention group and 57 participants in the control group. There were no significant differences in baseline characteristics between the groups. At the 6-week follow-up, the intervention group showed a greater NRS pain score reduction than the control group (between-group difference, −1.5 [95% CI, −2.2 to −0.8]; P < .001). Similarly, the intervention group had better improvements in the 30-second sit-to-stand test (between-group difference, 3.4 [95% CI, 2.2 to 4.5]; P < .001) and Timed Up-and-Go test (between-group difference, −1.8 [95% CI, −3.0 to −0.5] seconds; P = .007), as well as the WOMAC subscales for pain (between-group difference, −1.1 [95% CI, −2.0 to −0.2]; P = .02), stiffness (between-group difference, −1.0 [95% CI, −1.5 to −0.5]; P < .001), and physical function (between-group difference, −3.4 [95% CI, −6.2 to −0.7]; P = .02). The magnitude of within-group changes in pain (d = 0.83) and function outcomes (30 second sit-to-stand test d = 1.24; Timed Up-and-Go test d = 0.76) in the intervention group corresponded to medium to very strong effects.No adverse events were reported. CONCLUSIONS AND RELEVANCEThese findings suggest that this internet-delivered, evidencebased, first-line osteoarthritis treatment was superior to routine self-managed usual care and could (continued) Key Points Question What is the effectiveness of an internet-based exercise program vs routine self-management on pain outcomes among patients with knee osteoarthritis? Findings This randomized clinical trial including 105 patie...
Background Specialised pro-resolution molecules (SPMs) halt the transition to chronic pathogenic inflammation. We aimed to quantify serum levels of pro- and anti-inflammatory bioactive lipids in SARS-CoV-2 patients, and to identify potential relationships with innate responses and clinical outcome. Methods Serum from 50 hospital admitted inpatients (22 female, 28 male) with confirmed symptomatic SARS-CoV-2 infection and 94 age and sex matched cohort collected prior to the pandemic (SARS-CoV-2 negative), were processed for quantification of bioactive lipids and anti-nucleocapsid and anti-spike quantitative binding assays. Results SARS-CoV-2 serum had significantly higher concentrations of omega-6 derived pro-inflammatory lipids and omega-6 and omega-3 derived SPMs, compared to age and sex matched SARS-CoV-2 negative group, which were not markedly altered by age or sex. There were significant positive correlations between SPMs, pro-inflammatory bioactive lipids and anti-spike antibody binding. Levels of some SPMs were significantly higher in patients with an anti-spike antibody value >0.5. Levels of linoleic acid (LA) and 5,6-dihydroxy-8Z,11Z,14Z-eicosatrienoic acid (5,6-DHET) were significantly lower in SARS-COV-2 patients who died. Discussion SARS-COV-2 infection was associated with increased levels of specialised pro-resolution molecules and other pro- and anti-inflammatory bioactive lipids, supporting the future investigation of the underlying enzymatic pathways, which may inform the development of novel treatments.
Background There is paucity of data on the prevalence of ultrasound-detected synovial abnormalities in the general population, and the relationship between synovial changes and knee pain remains unclear. We examined the prevalence of synovial abnormalities on ultrasound and the relationship of these features with knee pain and radiographic osteoarthritis (ROA) in a community sample. Methods Participants aged 50 years or over were from the Xiangya Osteoarthritis Study, a community-based cohort study. Participants were questioned about chronic knee pain and underwent (1) ultrasonography of both knees to determine presence of synovial hypertrophy (≥ 4 mm), effusion (≥ 4 mm), and Power Doppler signal [PDS; yes/no]; and (2) standard radiographs of both knees (tibiofemoral and patellofemoral views) to determine ROA. Results There were 3755 participants (mean age 64.4 years; women 57.4%). The prevalence of synovial hypertrophy, effusion, and PDS were 18.1% (men 20.2%; women 16.5%), 46.6% (men 49.9%; women 44.2%), and 4.9% (men 4.9%; women 5.0%), respectively, and increased with age (P for trend < 0.05). Synovial abnormalities were associated with knee pain, with adjusted odds ratios (aORs) of 2.39 (95% confidence interval [CI] 2.00–2.86) for synovial hypertrophy, 1.58 (95%CI 1.39–1.80) for effusion, and 4.36 (95%CI 3.09–6.17) for PDS. Similar associations with ROA were observed, the corresponding aORs being 4.03 (95%CI 3.38–4.82), 2.01 (95%CI 1.76–2.29), and 6.49 (95%CI 4.51–9.35), respectively. The associations between synovial hypertrophy and effusion with knee pain were more pronounced among knees with ROA than those without ROA, and the corresponding P for interaction were 0.004 and 0.067, respectively. Conclusions Knee synovial hypertrophy and effusion are more common and increase with age, affecting men more than women. All three ultrasound-detected synovial abnormalities associate both with knee pain and ROA, and knee synovial hypertrophy or effusion and ROA may interact to increase the risk of knee pain.
Objective Chronic pain due to osteoarthritis (OA) is a major clinical problem, and existing analgesics often have limited beneficial effects and/or adverse effects, necessitating the development of novel therapies. Epoxyeicosatrienoic acids (EETs) are endogenous antiinflammatory mediators, rapidly metabolized by soluble epoxide hydrolase (EH) to dihydroxyeicosatrienoic acids (DHETs). We undertook this study to assess whether soluble EH–driven metabolism of EETs to DHETs plays a critical role in chronic joint pain associated with OA and provides a new target for treatment. Methods Potential associations of chronic knee pain with single‐nucleotide polymorphisms (SNPs) in the gene‐encoding soluble EH and with circulating levels of EETs and DHETs were investigated in human subjects. A surgically induced murine model of OA was used to determine the effects of both acute and chronic selective inhibition of soluble EH by N‐[1‐(1‐oxopropy)‐4‐piperidinyl]‐N′‐(trifluoromethoxy)phenyl]‐urea (TPPU) on weight‐bearing asymmetry, hind paw withdrawal thresholds, joint histology, and circulating concentrations of EETs and DHETs. Results In human subjects with chronic knee pain, 3 pain measures were associated with SNPs of the soluble EH gene EPHX2, and in 2 separate cohorts of subjects, circulating levels of EETs and DHETs were also associated with 3 pain measures. In the murine OA model, systemic administration of TPPU both acutely and chronically reversed established pain behaviors and decreased circulating levels of 8,9‐DHET and 14,15‐DHET. EET levels were unchanged by TPPU administration. Conclusion Our novel findings support a role of soluble EH in OA pain and suggest that inhibition of soluble EH and protection of endogenous EETs from catabolism represents a potential new therapeutic target for OA pain.
IntroductionKnee osteoarthritis (OA) is the most common joint disease worldwide. As of today, there are no disease-modifying drugs, but there is evidence that muscle strengthening exercises can substantially reduce pain and improve function in this disorder, and one very well tested physiotherapy protocol is the ‘Better Management of Patients with Osteoarthritis’ developed in Sweden. Given the high prevalence of knee OA, a potentially cost-effective, digitally delivered approach to treat knee OA should be trialled. This study aims to explore the benefits of iBEAT-OA (Internet-Based Exercise programme Aimed at Treating knee Osteoarthritis) in modulating pain, function and other health-related outcomes in individuals with knee OA.Methods and analysisA randomised controlled trial was designed to evaluate the efficacy of a web-based exercise programme in a population with knee OA compared with standard community care provided by general practitioners (GPs) in the UK. We anticipate recruiting participants into equal groups. The intervention group (n=67) will exercise for 20–30 min daily for six consecutive weeks, whereas the control group (n=67) will follow GP-recommended routine care. The participants will be assessed using a Numerical Rating Scale, the Western Ontario and McMaster Universities Osteoarthritis Index, the Arthritis Research UK Musculoskeletal Health Questionnaire, the Pittsburgh Sleep Quality Index, 30 s sit to stand test, timed up and go test, quantitative sensory testing, musculoskeletal ultrasound scan, muscle thickness assessment of the vastus lateralis, and quadriceps muscles force generation during an isokinetic maximum voluntary contraction (MVC). Samples of urine, blood, faeces and synovial fluid will be collected to establish biomarkers associated with changes in pain and sleep patterns in individuals affected with knee OA. Standard parametric regression methods will be used for statistical analysis.Ethics and disseminationEthical approval was obtained from the Research Ethics Committee (ref: 18/EM/0154) and the Health Research Authority (protocol no: 18021). The study was registered in June 2018. The results of the trial will be submitted for publication in a peer-reviewed journal.Trial registration number NCT03545048
Objectives: The purpose of the literature review was to appraise the evidence that an early physiotherapy intervention helps to prevent the surgery in selective musculoskeletal disorders. A search of Google Scholar, Web of Science, Scopus, and PubMed was carried out utilizing the terms (“physiotherapy”, “surgery” OR “exercise, surgery” OR “rehabilitation”, “surgery”). Methods: The article titles and abstracts were screened for eligibility and included in the review. The recent literature evidently emphasized that physiotherapy has opted in selective musculoskeletal problems to avoid and delay surgeries. Results: Regardless of recommended conservative treatment option and effectiveness of physiotherapy, a massive gap can be observed between its evidence and practice. Conversely, overuse of diagnostic imaging, surgeries, and medications is present in clinical practice. In most of the clinical problems the long-term outcomes were reported the same with surgical and physiotherapy intervention. Likewise, patients can also get the advantage of better clinical outcome and cost-effectiveness with physiotherapy as compared to surgical intervention. Conclusion: The cost-effectiveness is an important factor in low-income countries where economic aspects of health care are highly considered. These advantages of physiotherapy should be considered by the clinicians, policymakers, patients, and included in the clinical guidelines. Bangladesh Journal of Medical Science Vol.20(2) 2021 p.409-413
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