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Digitalization in the healthcare system is a great challenge for rheumatology as for other medical disciplines. The German Society for Rheumatology (DGRh) wants to actively participate in this process and benefit from it. By founding the commission on digital rheumatology, the DGRh has created a committee that deals with the associated tasks, advises the DGRh on questions and positions associated with digital health. For the DGRh, this affects the most diverse areas of digitalization in medicine and rheumatology. This position paper presents the topics and developments currently handled by the commission and the tasks identified.

From the perspective of patients with rheumatic diseases, the reduction of inflammatory disease activity alone is not a sufficient treatment goal. In addition the functional health and participation also have to be improved. Starting with the first symptoms the empowerment for the self-management of the disease is important for the patients; therefore, the established treat to target-strategy has to be expanded by the functional dimension to treat to participation. The position paper of the German Society for Rheumatology (GSR) summarizes the relevant fields of the multiprofessional action that is frequently necessary. This includes the acquirement of function-related competencies during training, further education and advanced training as well as implementation in the everyday practice of patient care. Furthermore, the GSR acknowledges the need for research related to functional and sociomedical consequences of rheumatic diseases and to individual and combined function-related programs in outpatient and inpatient care in rheumatology.

Rheumatic diseases in childhood and adolescence differ from those of adulthood according to type, manifestation, treatment and course. A specialized therapy, starting as early as possible, improves the prognosis, can prevent long-term damage and saves the costs of long-term care. Only a specialized pediatric care system can guarantee optimum quality of the processes involved and the results for rheumatology in childhood and adolescence within a global financial system. This requires adequate structural quality of the specialized clinics and departments for pediatric rheumatology. The management of rheumatic diseases in childhood and adolescence is comprehensive and requires a multidisciplinary, specialized and engaged team which can cover the whole spectrum of rheumatic diseases with their various age-dependent aspects. In order to guarantee an adequate, cost-efficient routine, a specialized center which concentrates on inpatient care should treat at least 300 patients with pediatric rheumatic diseases per year. The diagnoses should be divided among the various disease categories with at least 70% of them involving inflammatory rheumatic diseases. For the inpatient care of small children, an accompanying person (parent) is necessary, requiring adequate structures and services. Patient rooms as well as diagnostic (radiography, sonography, etc.) and therapeutic services (physiotherapy, occupational therapy, pool, etc.) must be adequate for small children and school children as well as adolescents. Suitable mother-child units must also be provided and a school for patients is required within the clinic. A pediatric rheumatologist must be available 24 h a day, and it must be possible to reach other specialists within a short time. For painful therapeutic procedures, age-appropriate pain management is obligatory. A continuous adjustment of these recommendations to changing conditions in health politics is intended.

Background: In the next few years many general practitioners and specialists will retire. As in other disciplines the question arises in rheumatology whether sufficient training positions are available to maintain or expand the supply of care according to demand. Therefore, the German Society of Rheumatology (DGRh) has assigned its committee for education and training to review the currently available training opportunities in Germany. The aim of this work is the quantitative survey of the training capacity to become a specialist in internal medicine and rheumatology., Methods: Within the framework of this study, a survey was conducted via the homepages of the 17 state medical associations to determine the postgraduate medical officers, their place of work and the duration of their postgraduate training capabilities. Based on the data, a nationwide survey of training positions was conducted., Results: Specialized rheumatology training is established at 229 training centers in Germany, whereby data from 187 training sites were available for analysis. The training locations are distributed as followed: 52.4% clinical sector and 47.6% outpatient sector. In total, 478.4 training positions are available in Germany (clinical sector: 391.4 and outpatient sector: 87) and 17.2% of the positions (clinical sector: 11.4% and outpatient sector: 43.1%) are not occupied., Conclusion: Based on this study, it can be shown that most of the continuing education positions are available in the clinical sector. In contrast, half of the training positions in the outpatient area are not filled. In order to improve the training situation, it is essential to integrate outpatient colleagues into the training program. This presupposes that further training is supported or financed by the healthcare system. In this context, optimal rheumatological care must be permanently guaranteed throughout Germany in order to provide sufficient care for the approximately 2 million patients with inflammatory rheumatic diseases., (© 2022. The Author(s).)

Background: Allergies are frequent and approximately 30% of the general population in Germany are affected. The specific sensitization against an allergen is asymptomatic. On renewed allergen contact the symptoms are indicative of the underlying pathomechanism. A variety of different test procedures are available to identify allergic reactions., Objective and Aim: In this review article the typical clinical symptoms of allergic reactions are assigned to mechanisms and possible test methods are presented and discussed. Current developments in recombinant serum diagnostics and cellular testing methods are presented., (© 2023. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)

Background and Objective: The work environment for rheumatologists has significantly changed over the last years. The healthcare of patients with rheumatic diseases is at risk due to the age structure of specialized rheumatologists in middle Germany and the limited availability of training positions for rheumatologists. In this context, it is important to have detailed information on the resident physicians in rheumatology concerning their own visions regarding their future professional career., Material and Methods: A questionnaire was sent to resident physicians in 25 rheumatology training hospitals in the middle of Germany (Saxony, Saxony-Anhalt and Thuringia). The questionnaire was completed and returned by 27 participants (17 women and 10 men)., Results: Most of the participants (60%) aimed to qualify as a specialist in internal medicine followed by a specialization in rheumatology (altogether training for a minimum of 8 years). After finishing training 44% would prefer to work in an outpatient setting while 30% planned to work in a combined outpatient and clinical setting. Of the participants 48% would prefer to work as part-time rheumatologists and 74% (women 94% and men 40%) were interested in employment in an outpatient medical healthcare center. The compatibility of family and work as well as the work-life balance was considered to be highly relevant for the future professional life., Conclusion: Less than half of the participants intended to work exclusively in an outpatient setting after completing the training in rheumatology. In addition, the participants preferred a part-time employment with compatibility of professional and private life. Consequently, alternative models of employment should be created in rheumatology to be attractive for future physicians. On the other hand, the study revealed that the independent rheumatological practice has a lower priority for the young rheumatologists taking part in this survey.

Background: The tenosynovial giant cell tumor (pigmented villonodular synovitis) is a proliferative, mainly benign soft tissue tumor of the tendon sheaths, bursae and joints arising from the synovia. It can be divided into circumscribed localized and destructive diffuse types. Approximately 1% of all joint diseases are due to this entity. The tumor is considered as a rarity. Mostly case studies exist. For this study the focus was set on the localized type (L-TSRZT), which accounts for 90% of the diagnoses of this tumor. Given its rarity, data are limited. Therefore, the research aim was to provide data on prevalence, primary location and sensitivity of clinical versus histopathological diagnosis in a German sample., Methods: Based on the Histopathological Arthritis Register of the German Society for Orthopedic Rheumatology, the data of the L‑TSRZT were retrospectively analyzed (time frame 1 January 2018-28 December 2020)., Results: This database contained N = 7595 cases of arthropathy. A total of n = 45 patients with the diagnosis L‑TSRZT were identified. The prevalence of the tumor was 0.6%, 95% CI [0.4%, 0.8%], or 5.9 cases per 1000. The primary location involved the finger (48.9%). In 14 of 45 cases the diagnosis was correctly determined from the clinical side, corresponding to a sensitivity of 31.1%, 95% CI [18.2%, 46.7%]., Conclusion: For the first time, this paper was able to provide data on a large sample for Germany. Notably, the low sensitivity of the clinical diagnosis confirms the importance of histopathology for diagnosing L‑TSRZT., (© 2023. The Author(s), under exclusive licence to Springer Medizin Verlag GmbH, ein Teil von Springer Nature.)

A growing number of health insurance data analyses show an increase in the prevalence of rheumatoid arthritis (RA) in Germany. The studies refer to the claims diagnosis of RA, which is more frequent in recent years compared to earlier periods. Depending on the case definition, the numbers vary between 0.6% and 1.4% of the adult population. In this paper, the different studies are reviewed with regard to their data sources, the case definitions of RA and the frequency of the diagnosis. Due to the lack of clinical validation, the prevalence cannot be precisely determined from claims data., (© 2022. The Author(s).)

Background: The often slow onset of ankylosing spondylitis (AS), the initially partially unspecific symptoms (back pain) and the scarcity of resources in rheumatological care are important factors leading to delayed diagnosis and treatment of these mostly young patients in Germany. Qualified nurses specialized in rheumatology might improve quality of care by providing medical services delegated by the rheumatologists., Objective: The aim was to investigate whether qualified nurses specialized in rheumatology can interpret anamnestic and clinical findings such as rheumatologists in patients with chronic low back pain and still unclear diagnosis using a structured questionnaire., Material and Methods: In the multicenter PredAS study a structured anamnestic questionnaire was applied independently by qualified nurses specialized in rheumatology and rheumatologists to patients referred to rheumatology practices with the leading symptom of low back pain. The questionnaire covered basic demographic data, medical history and patient reported outcomes. Additionally, measurements of physical function using the Bath ankylosing spondylitis functional index (BASFI) and spinal mobility using the Bath ankylosing spondylitis metrology index (BASMI) were standardized. In order to test the possible facilitation by using digital media, the results of two patient groups were separately documented on paper-based report forms and on an i‑pad. Concordance between documentation by qualified nurses specialized in rheumatology and rheumatologists was studied by calculating Cohen's kappa, intraclass correlation coefficients (ICC) and percentage agreement on an individual patient level., Results: Nearly 75% of the 141 patients with chronic low back pain were identified as having the characteristics of inflammatory back pain. The concordance of the documentation for the anamnesis of back pain by qualified nurses specialized in rheumatology and physicians was higher than for the localization of the back pain. The results for the BASMI showed no differences between qualified nurses specialized in rheumatology and physicians (ICC 0.925, 95 % confidence interval, CI 0.879-0.953). The time taken for the structured documentation was 20 ± 6.7 min for physicians and 28.5 ± 13 min for qualified nurses specialized in rheumatology., Conclusion: The results indicate that well-trained qualified nurses specialized in rheumatology have a high potential to take over some of the workload from rheumatologists during documentation of the anamnesis and the initial physical examination in the diagnosis of ankylosing spondylitis.

Background: In May 2018 a revision of the training regulations for German doctors (MWBO) was passed which will significantly impact the medical training for German rheumatologists. The goal of this paper was to create an overview of the status quo in advanced medical training in this field., Methods: A quantitative and qualitative analysis was conducted to identify the strengths and weaknesses of the current continuous education in the field of rheumatology in Germany. The number of newly trained specialists in rheumatology in the years 2015 to 2017 was determined from the regional medical associations. Furthermore, an online survey assessing the training conditions of assistant physicians was conducted. 71 physicians participated in the nationwide survey., Results: In 2015 (53 specialists), in 2016 (43 specialists) and in 2017 (43 specialists) completed their training in the field of rheumatology. The online survey of assistant physicians found that the medical training was graded 3.1 on a scale of 1 to 6 (SD ± 1.1). 19.4% of respondents reported that they had regular mentoring, and 41.7% had on-the-job evaluations. Deficits were evident concerning practical diagnostic skills: 22.8% of the physicians were not practicing joint ultrasonography and another 20% performed it only once a month. As points of criticism 46.6% mentioned a missing structure in training programme and 33.3% noted a lack of supervision. The majority of respondents wanted more training options, supervision and better practical training in ultrasound diagnostics., Conclusion: The nationwide number of newly acquired specialist qualifications (between 2015 and 2017) showed a decreasing trend. It is to be feared that the numbers will continue to stagnate, which increases the importance to invest further in medical education. The online survey also showed that the current medical training in Germany has deficits. Here, the new MWBO could create better guidelines for a structured training, which should be guided by the principle of "Teach to Target".

Background: The primary vasculitides are rare conditions in childhood. The most common disease subtypes are Schönlein-Henoch purpura and Kawasaki's syndrome, which frequently have a self-limiting course. In the majority of vasculitides, the etiology remains unknown. Environmental exposure, including infections, is suspected to trigger an autoinflammatory response in predisposed individuals., Goal: The aim of this review is to present the various aspects of childhood vasculitis., Materials and Methods: Reviews and special original papers on childhood vasculitis, published classification criteria and current therapy guidelines were reviewed and summarized., Results: The classification of vasculitides in childhood has been modified from the previous adult Chapel Hill classification for vasculitides in 2008. Most therapy recommendations for children are adapted from results of studies in adults. This review covers the current classifications, pathogenesis, clinical manifestations and therapy recommendations for children., Discussion: Although etiology and pathogenesis of many vasculitides in childhood are still unknown, clarifying diagnostic methods and effective therapeutic options are available. The knowledge about various forms of disease manifestation may contribute to an early diagnosis and timely initiation of treatment, which may prevent devastating irreversible impairment.

Introduction: Peripheral arthritis is the most common presenting complaint in clinical rheumatology. Unequivocal identification of the underlying entity can be difficult, particularly at an early stage. Such cases are commonly referred to as undifferentiated peripheral inflammatory arthritis (UPIA). Since evidence-based recommendations for the clinical management of UPIA are lacking, this international 3e initiative convened 697 rheumatologists from 17 countries to develop appropriate recommendations., Methods: Based on a systematic literature research in Medline, EMBASE, Cochrane Library, and the ACR/EULAR abstracts of 2007/2008, 10 multinational recommendations were developed by 3 rounds of a Delphi process. In Germany, a national group of experts worked on 3 additional recommendations using the same method. The recommendations were discussed among the members of the 3e initiative and the degree of consensus was analyzed as well as the potential impact of the recommendations on clinical practice., Results: A total of 39,756 references were identified, of which 250 were systematically reviewed for the development of 10 multinational recommendations concerning differential diagnosis, diagnostic and prognostic value of clinical assessments, laboratory tests and imaging techniques, and monitoring of UPIA. In addition, 3 national recommendations on the diagnostic and prognostic value of a response to anti-inflammatory therapy on the analysis of synovial fluid and on enthesitis were developed by the German experts based on 35 out of 5542 references., Conclusions: The article translates the 2011 published original paper of the international 3e initiative (Machado et al., Ann Rheum Dis 70:15-24, 2011) and reports the methods and results of the national vote and the additional 3 national recommendations.

Psoriasis arthritis (PsA) encompasses many diverse clinical symptoms. Epidemiological data about the prevalence in general, predisposed age groups, prevalence of joint, spine, enthesis, and extra-articular manifestations are very heterogeneous. Even for the PsA specialist the clinical picture is not always easy to differentiate from other overlapping or clinically similar disease entities. This paper tries to give some guidance on how to screen for and how to detect PsA early in the population of psoriasis patients on the basis of the Mainz PsA screening and early diagnosis algorithm.

The growing burden of chronic disease and the current nature of healthcare systems which are structurally ill-equipped to cater to the complex needs of patients with chronic conditions has led to governments and healthcare providers seeking alternative ways to improve patients own capacity to actively self-manage their chronic condition. In Australia, there has been a focus on patient education and self-management programs within the healthcare system to achieve this. These programs aim to empower patients through providing information and teaching skills and techniques to improve self-care and doctor-patient interaction with the ultimate goal of improving quality of life. Patient education and self-management programs have been supported through several national government initiatives and implemented within the healthcare setting. This paper describes the current position of patient education and self-management within the Australian healthcare system. It further describes a new collaboration project between an Australian and a German research team which aims at translating an assessment questionnaire used in Australia for the evaluation of self-management programs, the "Health Education Impact Questionnaire" ("heiQ"); this instrument is expected to be of significant use in the German rehabilitative system.

Aim: To gather information on current organizational structures in rheumatologic ambulatory health care in Germany. Based on the results recommendations on future structures will be discussed., Methods: This study involved data collection and statistical analysis via a structured 10-page questionnaire among the members of the German Association of Rheumatologists. The questions concerned a variety of topics including information on office structures, patient structure, structure of services offered, co-operation with colleagues and hospitals, quality assurance measures, economic factors, and a subjective assessment of the health care structures in rheumatology by the participants., Results: Data obtained from 197 rheumatologists who participate in health care were analyzed. In this paper results concerning the organizational as well as the medical ambulatory health care structure will be presented. Data on economic factors will be presented in part 2 of this study., Conclusions: The organization of ambulatory treatment regarding processes and treatment differences between office-based physicians and rheumatologic outpatient departments in hospitals was very homogeneous. However, physicians in the eastern regions treated significantly more patients compared with the western parts of Germany. This difference was also observed between the north and south. Differences in patient groups (e.g. underlying diseases) were reported between different sub-groups of rheumatologists (e.g. internal specialists vs. GP vs. orthopedic rheumatologists). Integrated health care, as promoted by German social law, did not play a major role. Overall there was a high level of self-initiated training of physicians and participation in education of patients and other physicians.

A study group representing the VRA (Association of Rheumatology Clinics in Germany) has worked out the structural quality paper presented here. Five guidelines for structural quality have been established by the VRA and are laid out in this paper. Required space and personnel for implementing these guidelines are considered. A highly competent, multi-disciplinary team must be available to ensure the long-term quality of in-patient treatment of rheumatic patients, the majority of whom are chronically ill and are suffering from chronic pain of varying intensity which restricts their daily activities. The necessity for such in-patient treatment is reflected in a 6-point-questionnaire (draft) adapted to the Appropriateness Evaluation Protocol. Considering the introduction of a flat-rate fee system (DRG-system) the structural quality paper describes the implementation of a specified electronic data processing documentation which is linked to a central hospital information system. According to the concept of benchmarking, the paper takes into account future developments of the German health system. It will be adjusted continuously to changing political guidelines for health services.

One of the areas of research in the Rheumatology Competence Network deals with health services research. It evaluates the structures and outcomes of rheumatological care. The paper presents selected results from the projects in the field of health services research. Data for rheumatoid arthritis are presented according to the criteria for the inclusion of diseases in new health care programs ("Disease Management"). The national database of the German Collaborative Arthritis Centers and cohort studies show the high individual and economic burden of disease in rheumatoid arthritis. Treatment by rheumatologists and non-rheumatologists differs greatly and leads to different outcomes. There is great potential for improvement. Data on practice variation within the rheumatologic subspecialty are used for quality management. The involvement of rheumatology into new concepts of care offers the chance to show the effectiveness of rheumatologic care and to enhance existing forms of cooperation.

Patients with rheumatic diseases are commonly treated as an outpatient in their local environment or are referred to specialized centers. Two recently founded day-patient clinics in Berlin and Frankfurt/Rhein-Main (Germany) for patients suffering from rheumatic diseases will be evaluated for their medical outcome and cost-effectiveness of comprehensive treatment of RA patients in stages of high inflammatory activity and progressive disability. The study design will be prospective, controlled, and randomized to compare outpatient and day-patient treatment. The case-control study design with matched pairs within the network of collaborative arthritis centers will be used to compare day-patient and inpatient treatment. The paper contains a review of studies published in English or German language dealing with day-patient treatment of RA patients.

Using "paper patients" we compared the therapeutic approaches of general practitioners and rheumatologists to rheumatoid arthritis and to osteoarthritis of the knee. The mailed survey contained a mild, a moderate and a severe case of rheumatoid arthritis (RA) and a case of osteoarthritis (OA) of the knee. 111 out of 252 general practitioners and 78 out of 132 rheumatologists selected at random participated in the study. We found that rheumatologists would choose more non-steroidal anti-inflammatory drugs (NSAID), disease modifying antirheumatic drugs (DMARD), steroids and physical therapy. In case 4 (OA of the knee) rheumatologists would more frequently recommend analgesics, local steroids, occupational therapy, surgery and ortheses. Primary care physicians on the other hand prescribed more chondroprotective agents. Patients with RA and OA of the knee would be treated differently by primary care physicians and rheumatologists. In order to develop a more uniform therapeutical concept and therefore to reach a better management of the rheumatic patient, a close co-operation of the two physician groups is needed.

In rheumatology, besides generally acknowledged so-called "natural treatment" methods, disputed and non-suitable methods are alleged as being also "natural methods". In particular, it is the "Action for Biological Medicine" which strives against any necessity of a differentiated approach on the basis of the benefit-risk relation. In this paper, after a short introduction covering the present legal situation in Germany, examples of unconventional diagnostic and therapeutic methods are discussed. Since the alleged benefit of these methods has never been proved, they must without any exception be considered as totally unnecessary. Moreover, because of the high risk involved, some methods must be warned against. Instead, demonstrably successful psychological and behavior-therapeutic methods should be recommended, the more so, as these can assist patients in becoming independent.