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Aldo Lorenzetti M.D, Internal Medicine & Hepatology, Milano - SIMEDET Delegate
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Comorbidities in #Osteoarthritis: A systematic review and meta‐analysis of observational studies

https://onlinelibrary.wiley.com/doi/abs/10.1002/acr.24008

Pooled prevalence of any comorbidity was 67% (95%CI: 57%‐74%) in people with OA versus 56% (95%CI: 44%‐68%) in people without OA. The pooled PR for any comorbidity was 1.21 (95%CI: 1.02‐1.45). The PR increased from 0.73 (95%CI: 0.43‐1.25) for one comorbidity, to 1.58 (95%CI: 1.03‐2.42) for two, and 1.94 (95%CI 1.45‐ 2.59) for three or more comorbidities. The key comorbidities associated with OA were stroke (PR 2.61; 95%CI: 2.13‐3.21), peptic ulcer (PR 2.36; 95%CI: 1.71‐3.27) and metabolic syndrome (PR 1.94; 95%CI 1.21‐3.12).

Conclusions
People with OA are more likely to have other chronic conditions. The association is dose‐dependent in terms of the number of comorbidities, suggesting multimorbidities. Further studies on the causality of this association and clinical implications are needed.
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Effect of Intra-Articular #Sprifermin vs Placebo on Femorotibial Joint Cartilage Thickness in Patients With #Osteoarthritis

..Among participants with symptomatic radiographic knee osteoarthritis, the intra-articular administration of 100 μg of sprifermin every 6 or 12 months vs placebo resulted in an improvement in total femorotibial joint cartilage thickness after 2 years that was statistically significant, but of uncertain clinical importance; there was no significant difference for 30 μg of sprifermin every 6 or 12 months vs placebo. Durability of response also was uncertain.

https://jamanetwork.com/journals/jama/article-abstract/2752470 jiu
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Results of a 6-week treatment with 10 mg prednisolone in patients with hand #osteoarthritis (HOPE): a double-blind, randomised, placebo-controlled trial

The mean change between baseline and week 6 on VAS-reported finger pain was −21·5 (SD 21·7) in the prednisolone group and −5·2 (24·3) in the placebo group, with a mean between-group difference (of prednisolone vs placebo) of −16·5 (95% CI −26·1 to −6·9; p=0·0007). The number of non-serious adverse events was similar between the groups. Five serious adverse events were reported during our study: one serious adverse event in the prednisolone group (a myocardial infarction) and four serious adverse events in the placebo group (an infected traumatic leg haematoma that required surgery, bowel surgery, atrial fibrillation that required a pacemaker implantation, and symptomatic uterine myomas that required a hysterectomy). Four (4%) patients discontinued the study because of an adverse event: one (2%) patient receiving prednisolone (for a myocardial infarction) and three (7%) patients receiving placebo (for surgery of the bowel and for an infected leg haematoma and for Lyme disease arthritis of the knee).

Interpretation
Treatment with 10 mg prednisolone for 6 weeks is efficacious and safe for the treatment of patients with painful hand osteoarthritis and signs of inflammation. The results of our study provide clinicians with a new short-term treatment option for patients with hand osteoarthritis who report a flare-up of their disease.

https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(19)32489-4/fulltext
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Efficacy and tolerability of #duloxetine in patients with knee #osteoarthritis: a meta‐analysis of randomised controlled trials

..Duloxetine achieved significant reductions in primary outcomes including Brief Pain Inventory 24‐h average pain score (weighted mean difference (WMD) = −0.74, 95% confidence interval (CI) = −0.92 to −0.57), weekly mean of the 24‐h average pain score (WMD = −0.76, 95% CI = −0.96 to −0.56), WOMAC stiffness score (WMD = −0.47, 95% CI = −0.60 to −0.34) and WOMAC physical function score (WMD = −4.44, 95% CI = −5.24 to −3.64). Furthermore, duloxetine demonstrated a higher number of treatment‐emergent adverse events (risk ratio (RR) = 1.31, 95% CI = 1.20–1.44) and discontinuations (RR = 2.26, 95% CI = 1.63–3.12); however, no difference in serious adverse events (RR = 0.92, 95% CI = 0.40–2.11) was observed.

Conclusion
Duloxetine is effective in the management of chronic pain and loss of physical function in knee OA with acceptable adverse events despite having no advantage in treating joint stiffness. Future trials should focus on determining the optimal treatment regimen

https://bit.ly/2PJH6NV
Reasons why #osteoarthritis predicts mortality: path analysis within a Cox proportional hazards model
https://2medical.news/2020/03/22/reasons-why-osteoarthritis-predicts-mortality-path-analysis-within-a-cox-proportional-hazards-model/

To identify potentially modifiable factors that mediate the association between symptomatic osteoarthritis (OA) and premature mortality.. ..OA was significantly associated with mortality (TE-adjusted HR 1.14; 95% CI 1.00 to 1.29). The indirect effects for walking frequency were 1.05 (95% CI 1.04 to 1.06), depression 1.02 (95% CI 1.02 to 1.03), anxiety 1.01 (95% CI 1.00 to 1.02) and unrefreshed sleep 1.01 (95% CI 1.00 to 1.01). …
Association of intermittent and constant #knee pain patterns with knee pain severity, radiographic knee #osteoarthritis duration and severity
https://2medical.news/2020/04/14/association-of-intermittent-and-constant-knee-pain-patterns-with-knee-pain-severity-radiographic-knee-osteoarthritis-duration-and-severity/

..Intermittent and Constant OA Pain (ICOAP) scores were characterized as 1) no intermittent or constant pain; 2) intermittent pain only; 3) constant pain only; and 4) a combination of constant and intermittent pain. Knee pain severity was assessed using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain subscale and the Visual Analog Scale (VAS). Radiographic knee OA (ROA) severity was defined as Kellgren …
Subcutaneous #tanezumab for #osteoarthritis of the hip or knee: efficacy and safety results from a 24-week randomised phase III study with a 24-week follow-up period
https://2medical.news/2020/04/18/subcutaneous-tanezumab-for-osteoarthritis-of-the-hip-or-knee-efficacy-and-safety-results-from-a-24-week-randomised-phase-iii-study-with-a-24-week-follow-up-period/

..Patients were randomised to tanezumab 2.5 mg or 5 mg subcutaneously or matching placebo every 8 weeks (three doses). ..From March 2016 to December 2017, 849 patients were randomised and evaluated (placebo n=282, tanezumab 2.5 mg n=283, tanezumab 5 mg n=284). At week 24, there was a statistically significant improvement from baseline for tanezumab 5 mg compared with placebo for WOMAC Pain (least squares mean difference±SE –0.62±0.18, p=0.0006), WOMAC …
Physical Therapy versus Glucocorticoid Injection for #Osteoarthritis of the Knee
https://2medical.news/2020/04/19/physical-therapy-versus-glucocorticoid-injection-for-osteoarthritis-of-the-knee/

..We enrolled 156 patients with a mean age of 56 years; 78 patients were assigned to each group. Baseline characteristics, including severity of pain and level of disability, were similar in the two groups. The mean (±SD) baseline WOMAC scores were 108.8±47.1 in the glucocorticoid injection group and 107.1±42.4 in the physical therapy group. At 1 year, the mean scores were 55.8±53.8 and 37.0±30.7, respectively …
Association between #statin use and incidence or progression of #osteoarthritis: Meta-analysis of observational studies
https://2medical.news/2020/05/04/association-between-statin-use-and-incidence-or-progression-of-osteoarthritis-meta-analysis-of-observational-studies/

..A total of 11 studies (679807 participants) were identified from the systematic literature search. No significant association between statin use and incidence (OR = 1.010; 95% CI: 0.968 to 1.055; P = 0.638) or progression (OR = 1.076; 95% CI: 0.824 to 1.405; P = 0.589) of OA was found in our meta-analysis. The meta-analysis according to the symptomatic or radiological OA also found no …
The Association of Pain Sensitization and Conditioned Pain Modulation to Pain Patterns in #Knee #Osteoarthritis
https://2medical.news/2020/09/11/the-association-of-pain-sensitization-and-conditioned-pain-modulation-to-pain-patterns-in-knee-osteoarthritis/

To examine the cross‐sectional association of ascending pain mechanisms (APM), implicated in pain sensitization (PS), and descending pain modulation with pain patterns and unpredictability of pain The Multicenter Osteoarthritis (OA) Study is a longitudinal cohort of older adults with or at risk of knee OA. Peripheral and central APM were assessed using quantitative sensory tests (QST); pressure pain thresholds (PPTs) using a handheld pressure algometer …
Effectiveness of #Curcuma longa Extract for the Treatment of Symptoms and Effusion–Synovitis of Knee #Osteoarthritis
https://2medical.news/2020/09/17/effectiveness-of-curcuma-longa-extract-for-the-treatment-of-symptoms-and-effusion-synovitis-of-knee-osteoarthritis/

To determine the efficacy of Curcuma longa extract (CL) for reducing knee symptoms and effusion–synovitis in patients with symptomatic knee osteoarthritis and knee effusion–synovitis.. ..2 capsules of CL (n = 36) or matched placebo (n = 34) per day for 12 weeks. Measurements: The 2 primary outcomes were changes in knee pain on a visual analogue scale (VAS) and effusion–synovitis volume on magnetic resonance imaging …
#Acupuncture of different treatment frequencies in knee #osteoarthritis: a pilot randomised controlled trial
https://2medical.news/2020/10/27/acupuncture-of-different-treatment-frequencies-in-knee-osteoarthritis-a-pilot-randomised-controlled-trial/

This 16-week randomised controlled trial (8-week treatment followed by 8-week follow-up) evaluated the symptomatic improvement in patients with knee osteoarthritis on 3 sessions per week of acupuncture (TSWA) compared to 1 session per week of acupuncture (OSWA). Sixty participants were randomised to either the TSWA or the OSWA group in a 1:1 ratio. The primary outcome was response rate, defined as the percentage of participants …
The Effect of Flat Flexible Versus Stable Supportive #Shoes on Knee #Osteoarthritis Symptoms
https://2medical.news/2021/01/14/the-effect-of-flat-flexible-versus-stable-supportive-shoes-on-knee-osteoarthritis-symptoms/

Experts recommend that persons with knee osteoarthritis wear stable supportive shoes; however, evidence suggests that flat flexible shoes may be more beneficial.. ..Of 164 participants recruited, 161 (98%) completed 6-month primary outcomes. No evidence was found that flat flexible shoes were superior to stable supportive shoes in primary outcomes. Evidence did show a between-group difference in change in pain favoring stable supportive shoes (mean difference, …
Efficacy and safety of #antidepressants for the treatment of back pain and #osteoarthritis: systematic review and meta-analysis
https://2medical.news/2021/01/24/efficacy-and-safety-of-antidepressants-for-the-treatment-of-back-pain-and-osteoarthritis-systematic-review-and-meta-analysis/

.. 33 trials (5318 participants) were included. Moderate certainty evidence showed that serotonin-noradrenaline reuptake inhibitors (SNRIs) reduced back pain (mean difference −5.30, 95% confidence interval −7.31 to −3.30) at 3-13 weeks and low certainty evidence that SNRIs reduced osteoarthritis pain (−9.72, −12.75 to −6.69) at 3-13 weeks. Very low certainty evidence showed that SNRIs reduced sciatica at two weeks or less (−18.60, −31.87 to −5.33) …
Association between current medication use and progression of radiographic #knee #osteoarthritis: data from the Osteoarthritis Initiative
https://2medical.news/2021/02/02/association-between-current-medication-use-and-progression-of-radiographic-knee-osteoarthritis-data-from-the-osteoarthritis-initiative/

Use of specific medications may accelerate the progression of radiographic knee osteoarthritis (RKOA). Our aim was to examine the effect of medication use on the progression of RKOA. Methods We used longitudinal data from the Osteoarthritis Initiative (OAI); an observational study of risk factors for knee OA. At baseline, we selected participants with RKOA (KL grade ≥2) and excluded those with a history of knee-related …
Effect of High-Intensity Strength #Training on #Knee Pain and Knee Joint Compressive Forces Among Adults With Knee #Osteoarthritis
https://2medical.news/2021/02/18/effect-of-high-intensity-strength-training-on-knee-pain-and-knee-joint-compressive-forces-among-adults-with-knee-osteoarthritis/

Thigh muscle weakness is associated with knee discomfort and osteoarthritis disease progression. Little is known about the efficacy of high-intensity strength training in patients with knee osteoarthritis or whether it may worsen knee symptoms. Objective To determine whether high-intensity strength training reduces knee pain and knee joint compressive forces more than low-intensity strength training and more than attention control in patients with knee osteoarthritis. Design, …
Effect of Telephone #Cognitive Behavioral Therapy for Insomnia in Older Adults With #Osteoarthritis Pain
https://2medical.news/2021/02/24/effect-of-telephone-cognitive-behavioral-therapy-for-insomnia-in-older-adults-with-osteoarthritis-pain/

Scalable delivery models of cognitive behavioral therapy for insomnia (CBT-I), an effective treatment, are needed for widespread implementation, particularly in rural and underserved populations lacking ready access to insomnia treatment. Objective To evaluate the effectiveness of telephone CBT-I vs education-only control (EOC) in older adults with moderate to severe osteoarthritis pain. Design, Setting, and Participants This is a randomized clinical trial of 327 participants 60 …
The Value of Total #Knee Replacement in Patients With Knee #Osteoarthritis and a Body Mass Index of 40 kg/m2 or Greater A Cost-Effectiveness Analysis
https://2medical.news/2021/03/24/the-value-of-total-knee-replacement-in-patients-with-knee-osteoarthritis-and-a-body-mass-index-of-40-kg-m2-or-greater-a-cost-effectiveness-analysis/

Total knee replacement (TKR) is an effective and cost-effective strategy for treating end-stage knee osteoarthritis. Greater risk for complications among TKR recipients with a body mass index (BMI) of 40 kg/m2 or greater has raised concerns about the value of TKR in this population. Objective: To assess the value of TKR in recipients with a BMI of 40 kg/m2 or greater using a cost-effectiveness analysis. …