Publications

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77 Publications visible to you, out of a total of 77
[Trends in rehabilitation of patients with rheumatic diseases in Germany]

Abstract (Expand)

Recent Deutsche Gesellschaft fur Rheumatologie (DGRh, German Society of Rheumatology) guidelines emphasized the significance of coordinated multidisciplinary care and rehabilitation of patients with … inflammatory rheumatic diseases. Nationwide data from the German pension insurance funds showed that inpatient rehabilitation due to rheumatoid arthritis (RA) varied by a factor of 2.6 between the different German states. From 2000 to 2012 rehabilitation measures were reduced by one third, most significantly in men with ankylosing spondylitis (AS). Rehabilitation measures because of RA or AS were provided up to 14 times more frequently by the German statutory pension insurance scheme compared with a large compulsory health insurance which is responsible for rehabilitation measures after retirement. In rehabilitation centers with high numbers of patients with inflammatory rheumatic diseases, higher structural and process quality were demonstrated. In 2011 a total of 40 % of RA patients in the national database of the collaborative arthritis centers showed medium or severe functional limitations. Among these disabled RA patients inpatient rehabilitation was reduced by about 50 % between 1995 and 2011. Out of all RA patients from outpatient rheumatology care with severe functional limitations 38 % had no functional restoration therapy within the previous 12 months with a high variation between rheumatologists. Experiences from other European countries may inspire German rheumatologists and other involved health professionals to initiate a wider range of rehabilitative interventions in the future.

Authors: W. Mau, W. Beyer, I. Ehlebracht-Konig, J. M. Engel, E. Genth, W. H. Jackel, U. Lange, K. Thiele

Date Published: 2014

Publication Type: Journal

[Trends of work force participation of patients with rheumatic diseases : results from German social insurance data and the national database of the German collaborative arthritis centers]

Abstract (Expand)

Positive therapeutic effects on the work force participation derived from international clinical trials may not be directly transferable to the community based care in Germany. Therefore recent changes … of data regarding sick leave (SL), work disability pension (WDP) and employment from the social insurance and from the national database of the German collaborative arthritis centers were analyzed covering a time period of at least 10 years. Health insurance data showed a steeper decline in the average duration of SL caused by rheumatoid arthritis (RA), ankylosing spondylitis (AS) and systemic lupus erythematosus (SLE) compared with all other diseases. In RA patients from the collaborative arthritis centers the mean duration of SL was much more reduced than the average duration of SL for members of the compulsory health insurance. The proportion of gainfully employed RA patients in collaborative arthritis centers has particularly increased in women. According to data from the pension insurance fund less incident cases of WDP due to RA, AS, and SLE have been observed than WDP caused by all other diseases. Thus different nationwide data show positive changes of the work force participation of individuals suffering from inflammatory rheumatic diseases in Germany.

Authors: W. Mau, K. Thiele, J. Lamprecht

Date Published: 2014

Publication Type: Journal

The epidemiology of Sjogren’s syndrome

Abstract (Expand)

Sjogren’s syndrome is a chronic systemic autoimmune disease characterized by lymphocytic infiltration of exocrine glands. It can present as an entity by itself, primary Sjogren’s syndrome (pSS), or in … addition to another autoimmune disease, secondary Sjogren’s syndrome (sSS). pSS has a strong female propensity and is more prevalent in Caucasian women, with the mean age of onset usually in the 4th to 5th decade. Clinical presentation varies from mild symptoms, such as classic sicca symptoms of dry eyes and dry mouth, keratoconjunctivitis sicca, and xerostomia, to severe systemic symptoms, involving multiple organ systems. Furthermore, a range of autoantibodies can be present in Sjogren’s syndrome (anti-SSA/Ro and anti-SSB/La antibodies, rheumatoid factor, cryoglobulins, antinuclear antibodies), complicating the presentation. The heterogeneity of signs and symptoms has led to the development of multiple classification criteria. However, there is no accepted universal classification criterion for the diagnosis of Sjogren’s syndrome. There are a limited number of studies that have been published on the epidemiology of Sjogren’s syndrome, and the incidence and prevalence of the disease varies according to the classification criteria used. The data is further confounded by selection bias and misclassification bias, making it difficult for interpretation. The aim of this review is to understand the reported incidence and prevalence on pSS and sSS, the frequency of autoantibodies, and the risk of malignancy, which has been associated with pSS, taking into account the different classification criteria used.

Authors: R. Patel, A. Shahane

Date Published: 2014

Publication Type: Journal

[Healthcare research in rheumatology. Current state]

Abstract (Expand)

Health services research in rheumatology investigates the healthcare needs, the quality of care and trends in healthcare for patients with musculoskeletal disorders. Using rheumatoid arthritis (RA) as … an example, key results of health services research during the last 25 years are summarized. There are currently approximately 540,000 persons with RA in Germany of which some two thirds are regularly seen by rheumatologists. The data from the national database of the German collaborative arthritis centres show that patients are now seen earlier and to a greater extent. The intensity of drug treatment with synthetic or biological disease-modifying antirheumatic drugs (DMARDs) has increased continuously. At the same time, the mean disease activity (DAS28) has decreased from 4.7 to 3.3 and approximately 50 % of patients treated early achieve remission. Physician-rated disease severity has considerably improved and fewer patients suffer from erosive disease. This corresponds with improvements in functional capacity and work participation. Health services research impressively shows the advances in rheumatological care. Further improvements at the population level are limited by the low numbers of rheumatologists in outpatient care.

Author: A. Zink

Date Published: 2014

Publication Type: Journal

Clinical presentation, burden of disease and treatment in young-onset and late-onset rheumatoid arthritis: a matched-pairs analysis taking age and disease duration into account

Abstract (Expand)

OBJECTIVES: The aim of this study is to compare clinical features and treatment of young onset rheumatoid arthritis with late-onset rheumatoid arthritis. METHODS: Nine thousand five hundred forty-one … patients with rheumatoid arthritis (RA) enrolled in the national database of the German Collaborative Arthritis Centres in 2007-2009 were stratified by age at disease onset: up to 65 years (YORA), >65 years (LORA). To enable unbiased comparisons between the two groups despite their systematic differences in age and disease duration, we performed two separate matched-pairs analyses: the impact of current age was assessed by matching YORA and LORA patients for disease duration and sex (n=1,550 pairs). To identify the influence of disease duration, a second sample matched for age and sex (n=1,158 pairs) was drawn. RESULTS: At identical age, YORA patients had higher disease activity (DAS28), worse functional capacity and were less frequently in remission when compared with LORA patients. YORA patients also suffered more frequently from RA-related co-morbidities such as cardiovascular disease, chronic renal disease and osteoporosis. Matched for disease duration, there were no differences between the two groups concerning disease severity and remission rates, global health or pain intensity. Independent of age or disease duration, YORA patients reported more sleep disorders and fatigue. LORA patients received significantly fewer synthetic or biologic DMARDs than YORA patients. CONCLUSIONS: Duration of RA, rather than age, explains differences in disease burden between YORA and LORA patients. The lower prescription rates of synthetic and in particular biologic DMARDs, despite lower remission rates, indicate a potential treatment deficit in older patients.

Authors: D. Huscher, C. Sengler, E. Gromnica-Ihle, S. Bischoff, T. Eidner, W. Ochs, J. Richter, A. Zink

Date Published: 2013

Publication Type: Journal

Measurement properties of the EQ-5D-5L compared to the EQ-5D-3L across eight patient groups: a multi-country study

Abstract (Expand)

PURPOSE: The aim of this study was to assess the measurement properties of the 5-level classification system of the EQ-5D (5L), in comparison with the 3-level EQ-5D (3L). METHODS: Participants (n = … 3,919) from six countries, including eight patient groups with chronic conditions (cardiovascular disease, respiratory disease, depression, diabetes, liver disease, personality disorders, arthritis, and stroke) and a student cohort, completed the 3L and 5L and, for most participants, also dimension-specific rating scales. The 3L and 5L were compared in terms of feasibility (missing values), redistribution properties, ceiling, discriminatory power, convergent validity, and known-groups validity. RESULTS: Missing values were on average 0.8% for 5L and 1.3% for 3L. In total, 2.9% of responses were inconsistent between 5L and 3L. Redistribution from 3L to 5L using EQ dimension-specific rating scales as reference was validated for all 35 3L-5L-level combinations. For 5L, 683 unique health states were observed versus 124 for 3L. The ceiling was reduced from 20.2% (3L) to 16.0% (5L). Absolute discriminatory power (Shannon index) improved considerably with 5L (mean 1.87 for 5L versus 1.24 for 3L), and relative discriminatory power (Shannon Evenness index) improved slightly (mean 0.81 for 5L versus 0.78 for 3L). Convergent validity with WHO-5 was demonstrated and improved slightly with 5L. Known-groups validity was confirmed for both 5L and 3L. CONCLUSIONS: The EQ-5D-5L appears to be a valid extension of the 3-level system which improves upon the measurement properties, reducing the ceiling while improving discriminatory power and establishing convergent and known-groups validity.

Authors: M. F. Janssen, A. S. Pickard, D. Golicki, C. Gudex, M. Niewada, L. Scalone, P. Swinburn, J. Busschbach

Date Published: 2013

Publication Type: Journal

Performance of the 2011 ACR/EULAR preliminary remission criteria compared with DAS28 remission in unselected patients with rheumatoid arthritis

Abstract (Expand)

OBJECTIVE: To compare the performance of the preliminary American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) remission criteria with the 28-joint count Disease Activity Score … (DAS28) remission in unselected ’real-life’ patients. METHODS: Remission was calculated according to the DAS28 and to both versions of the ACR/EULAR criteria (Boolean or Simplified Disease Activity Index (SDAI)-based) for 6864 patients with rheumatoid arthritis (RA) who were enrolled in the national database of the German Collaborative Arthritis Centres between 2007 and 2009. Logistic regression analyses identified factors that were responsible for patients in DAS28 remission to miss the new criteria. In addition, the functional status of patients who fulfilled the different remission criteria was compared with that of an age- and sex-matched population sample. RESULTS: Of all patients, 28% were in DAS28, 7% in Boolean and 11% in SDAI remission. Of those in DAS28 remission, 21.0% were also in Boolean and 34% also in SDAI remission. Higher scores for pain and fatigue, the presence of degenerative spine disease, longer disease duration and male gender were significantly associated with missing the new criteria despite being in DAS28 remission. Compared with age- and sex-matched samples from the general population, patients in DAS28 remission had a similar functional ability while patients in remission according to the new criteria had better functional scores. CONCLUSIONS: Patients fulfilling the new remission criteria tend to be not only free from active RA, but also from other disabling diseases. If these criteria are applied in clinical practice to guide treatment decisions, the impact of comorbidity should be taken into account.

Authors: K. Thiele, D. Huscher, S. Bischoff, S. Spathling-Mestekemper, M. Backhaus, M. Aringer, T. Kohlmann, A. Zink, Centres German Collaborative Arthritis

Date Published: 2013

Publication Type: Journal

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