Background: Osteoarthritis (OA) is a chronic degenerative joint disease that is a clinically and economically important disease. The increased prevalence of OA with aging, coupled to the demographics of aging populations, make OA a high priority health care problem. Viscosupplementation (VS) is a well-established treatment option in knee OA that is included in the professional guidelines for treatment of this joint disease, and could potentially provide a useful alternative in treating such patients with painful OA. Theoretically VS is an approach that should apply to all synovial joints. Objectives: The aim of this review is to assess the efficacy and safety of viscosupplementation with Hylan GF-20 (Synvisc ® ) in the management of joint pain in osteoarthritis. Methods:The following databases were searched: Medline, Database of Abstract on Reviews and Effectiveness, Cochrane Database of Systematic Reviews. Furthermore, the lists of references of retrieved publications were manually checked for additional references. The search terms Review, Viscosupplementation, Osteoarthritis, Hyaluronic acid, Hyaluronan, Sodium Hyaluronate, Hylan GF-20, Synvisc, intra-articular injection were used to identify all studies relating to the use of Synvisc ® viscosupplementation therapy in OA. Results: Hylan GF-20 is a safe and effective treatment for decreasing pain and improving function in patients suffering from knee and hip OA but new evidences are emerging for its use in other joints.
PURPOSE: Investigate the effectiveness of ozone treatment as an alternative sanitizing technology to conventional disinfectants in reducing the microbial contamination of both water and air. METHODS: Ozone was added for 20 minutes to a well-defined volume of water and air by the system named “Ozonomatic®”. The effectiveness of ozonation was determined by counting CFU/m3 or mL of bacteria present in samples of air or water collected before (T0) and after (T1) the addition of ozone and comparing the microbial load of different bacteria present in ozonized and non-ozonized samples. RESULTS: When the ozonation equipment was located at 30 cm from the surface of the water in the bath tub in which the bacteria were inoculated, the treatment was able to reduce the microbial load present in the aerosol by 70.4% at a temperature of 36°C for 48 hours. Conversely, at 22°C for 5 days, only a modest decrease (9.1%) was observed. Escherichia coli and Pseudomonas aeruginosa were completely eliminated. A 93.9% reduction was observed for Staphylococcus aureus, followed by Streptococcus faecalis (25.9%). The addition of ozone to water was able to almost eliminate Staphylococcus aureus (98.9% reduction) and also to exert a strong impact on Legionella pneumophila (87.5% reduction). Streptococcus faecalis and Pseudomonas aeruginosa showed a decrease of 64.2% and 57.4%, respectively. Conversely, only a 26.4% reduction was observed for the bacterium Escherichia coli. This study showed that the addition of ozone in the air exerted a modest reduction on microbial load at 36°C, whereas no effect was observed at 22°C. CONCLUSIONS: Aqueous and gaseous ozone treatments were effective against microbial contaminants, reducing the CFU of the microorganisms and confirming its efficacy in water and air disinfection.
BackgroundBiologic agents are currently the strongest immunosuppressive drugs able to induce remission in rheumatoid arthritis (RA). One of the objectives of the medical scientific community now is how to maintain remission or low disease activity (LDA). The aim of this trial is to evaluate the contribution of low-dose sequential kinetic activation (SKA) IL-4, IL-10, and anti-IL-1 antibodies (10 fg/mL) in patients affected by RA in maintaining LDA or remission obtained after biological therapy.MethodThis is a randomized, open, active-controlled, prospective, Phase IV trial. Disease activity score (DAS28), clinical disease activity index, simplified disease activity index, erythrocyte sedimentation rate and C-reactive protein levels, global health assessment, and pain visual analog scale were evaluated at baseline visit and then every 3 months together with an assessment of side effects till 12 months. Thirty-nine RA patients were enrolled and randomized to continue disease-modifying antirheumatic drugs (DMARDs) therapy or to receive a combination of SKA low-dose cytokines formulated in concentration of 10 fg/mL orally administered at a dose of 20 drops/d for 12 consecutive months.ResultsThe rate of maintenance of LDA at 12 months was superior in the group treated with low-dose cytokines compared with patients treated with DMARDs, 66.7% and 42.1%, respectively; however, the difference between the groups was not statistically significant. No side effects were reported in both groups.ConclusionThis is the first study using a combination of three low-dose cytokines in RA, after data published on psoriasis. These data suggest that the use of a combination of low-dose SKA cytokines may be an opportunity to explore in the management of RA.
Viscosupplementation is used widely in knee OA and is included in the professional guidelines for treatment of the disease in this joint. The potential for treating osteoarthritis of the ankle joint by viscosupplementation has been suggested in the literature, however, no dosing studies have been published to date, and dosing in the ankle joint remains an area for discussion. Viscosupplementation could potentially provide an useful alternative in treating such patients with painful ankle OA.
The aim of this prospective observational study is to assess the efficacy and safety profile of intraarticular Sinovial® Forte 1.6% administered under ultrasound-guidance in a large cohort of patients affected by symptomatic hip osteoarthritis (OA). Patients with symptomatic hip OA referred to our clinic in 2008–2010 received one 4 ml (2 vials) intra-articular injection of Sinovial® Forte 1.6% under ultrasound guidance. Patients were followed-up every 3 months for a total of 6 months and were offered an optional, additional injection at the 3-month follow-up visit if clinically justified. At each visit, pain scores [0–10 Visual Analogue Scale (pain VAS)], Lequesne index scores and NSAID intake were recorded. Adverse events (AEs) were recorded throughout the study. An effect size of 30% and 50% reduction in Lequesne index and Pain VAS scores was evaluated for each patient to ascertain the number of patients achieving partial remission of symptoms and functional impairment by the use of intra-articular hyaluronic acid in hip osteoarthritis. One hundred and fourteen patients completed the 6-month follow-up and received a total of 142 injections. A statistically significant reduction in Lequesne index scores, VAS pain scores and NSAID consumption was observed at all time-points ( p < 0.05). No systemic, severe or even moderate side effects were observed. Only 7 patients reported mild local reaction at the injection site, consisting of mild pain and localized warmth, which resolved spontaneously without any additional medication. This study provides evidence of the efficacy and tolerability of Sinovial® Forte 1.6% in the treatment of patients affected by symptomatic hip OA. Sinovial® Forte may also offer economical benefits, owing to the reduction in NSAID consumption associated with this treatment. The percentage of patients achieving the effect size of 30% and 50% reduction in Lequesne index and pain VAS scores encourages the use of intra-articular hyaluronic acid in patients with hip osteoarthritis.
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