M MAX MEYER

Rhumatologue

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✨ Génération du profil synthétique IA en cours…

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Top publications · les plus citées

The Therapeutic Effect of Intra-articular Normal Saline Injections for Knee Osteoarthritis: A Meta-analysis of Evidence Level 1 Studies

The American journal of sports medicine · 2017

📚 102 citations🎯 RCR 5.92Top 6% NIH

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Background: Intra-articular normal saline (IA-NS) injections have been utilized as a placebo in a number of randomized controlled trials pertaining to the management of knee osteoarthritis (OA); however, it is believed that these “placebo” injections may have a therapeutic effect that has not been quantified in the literature. Purpose: To (1) quantify the effect of IA-NS injections on patient-reported outcomes (PROs) and (2) compare postinjection PROs to established minimal clinically important difference (MCID) criteria to demonstrate a potential therapeutic effect. Study Design: Meta-analysis. Methods: A review was conducted to identify all randomized, placebo-controlled trials on injection therapy for knee OA between 2006 and 2016. Patient demographics and PROs before the injection and at 3 and 6 months after the injection were collected for patients in the IA-NS injection group in each study. A random-effects model was used to compare preinjection scores and scores at each postinjection time point in a pairwise fashion. Results: In total, there were 14 placebo cohorts in 13 studies that were analyzed after meeting inclusion criteria for this meta-analysis. This included 1076 patients (Kellgren-Lawrence grade 1-4), with a weighted mean age of 62.53 years and mean body mass index of 28.67 kg/m 2 . There was only sufficient information to perform analyses of visual analog scale (VAS) pain and Western Ontario and McMaster Universities Arthritis Index (WOMAC) total scores. At 3 months after the IA-NS placebo injection, there was a significant improvement in VAS pain scores (mean difference [MD], 12.10 [95% CI, 3.27 to 20.93]; P = .007), whereas improvement in the WOMAC total scores approached but did not reach statistical significance (MD, 19.75 [95% CI, –0.50 to 40.09]; P = .06). At 6 months, both VAS pain scores (MD, 16.62 [95% CI, 12.13-21.10]; P < .00001) and WOMAC total scores (MD, 11.34 [95% CI, 7.03-15.65]; P < .00001) were significantly improved in comparison to preinjection values. Furthermore, improvements in both the VAS pain and WOMAC total scores at 6 months were clinically significant (MCID, 1.37 and 9, respectively). Conclusion: The administration of an IA-NS placebo injection yields a statistically and clinically meaningful improvement in PROs up to 6 months after the injection in patients with knee OA. This observation supports the notion that the so-called placebo effect for IA-NS injections achieves a clinically meaningful response in patients with OA when provided during comparison studies to an active treatment group (ie, hyaluronic acid).

German Mobile Apps in Rheumatology: Review and Analysis Using the Mobile Application Rating Scale (MARS)

JMIR mHealth and uHealth · 2019

📚 98 citations🎯 RCR 7.07Top 4% NIH🔓 Open Access📄 PDF gratuit ↗

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Background Chronic rheumatic diseases need long-term treatment and professional supervision. Mobile apps promise to improve the lives of patients and physicians. In routine practice, however, rheumatology apps are largely unknown and little is known about their quality and safety. Objective The aim of this study was to provide an overview of mobile rheumatology apps currently available in German app stores, evaluate app quality using the Mobile Application Rating Scale (MARS), and compile brief, ready-to-use descriptions for patients and rheumatologists. Methods The German App Store and Google Play store were systematically searched to identify German rheumatology mobile apps for patient and physician use. MARS was used to independently assess app quality by 8 physicians, 4 using Android and 4 using iOS smartphones. Apps were randomly assigned so that 4 apps were rated by all raters and the remaining apps were rated by two Android and two iOS users. Furthermore, brief app descriptions including app developers, app categories, and features were compiled to inform potential users and developers. Results In total, 128 and 63 apps were identified in the German Google Play and App Store, respectively. After removing duplicates and only including apps that were available in both stores, 28 apps remained. Sixteen apps met the inclusion criteria, which were (1) German language, (2) availability in both app stores, (3) targeting patients or physicians as users, and (4) clearly including rheumatology or rheumatic diseases as subject matter. Exclusion criteria were (1) congress apps and (2) company apps with advertisements. Nine apps addressed patients and 7 apps addressed physicians. No clinical studies to support the effectiveness and safety of apps could be found. Pharmaceutical companies were the main developers of two apps. Rheuma Auszeit was the only app mainly developed by a patient organization. This app had the highest overall MARS score (4.19/5). Three out of 9 patient apps featured validated questionnaires. The median overall MARS score was 3.85/5, ranging from 2.81/5 to 4.19/5. One patient-targeted and one physician-targeted app had MARS scores >4/5. No significant rater gender or platform (iOS/Android) differences could be observed. The overall correlation between app store ratings and MARS scores was low and inconsistent between platforms. Conclusions To our knowledge, this is the first study that systematically identified and evaluated mobile apps in rheumatology for patients and physicians available in German app stores. We found a lack of supporting clinical studies, use of validated questionnaires, and involvement of academic developers. Overall app quality was heterogeneous. To create high-quality apps, closer cooperation led by patients and physicians is vital.

Treg17 cells are programmed by Stat3 to suppress Th17 responses in systemic lupus

Kidney international · 2016

📚 72 citations🎯 RCR 2.26Top 23% NIH🔓 Open Access📄 PDF gratuit ↗

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Top publications · les plus citées

Publications scientifiques (30) — classées par pathologie

Transversal12

Revue générale4

Lupus3

Qualité de vie / PROMs3

Biomarqueurs / Auto-Ac2

Revue / méta-analyse2

Anti-IL-171

Case report / série1

Corticothérapie1

Fibromyalgie1

IA en rhumatologie1

Santé mentale / fatigue1

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