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Biomedical subjects

Joachim Szecsenyi

Publications and source records attributed to Joachim Szecsenyi.

At least 19 recordsLinked to original sources

[Acupuncture--needle-pricking within a complex intervention].

The results of the large acupuncture studies initiated by the German Federal Committee of Physicians and Health Insurers raised several new questions concerning acupuncture effects. Based on the current evidence it is postulated that not yet entirely defined specific und unspecific factors contribute to outcome in acupuncture treatment. Consequently, acupuncture has to be regarded as a 'complex intervention' consisting of several components. A phased approach to evaluate 'complex intervention' is presented and transferred to acupuncture research. According to this phased approach unspecific factors contributing to acupuncture effects have to be identified and increasingly considered in future acupuncture research. Thus, several research methods to identify and evaluate unspecific acupuncture effects are suggested, e.g. qualitative methods. Therefore, the particular German situation of acupuncture, provided by physicians and state-licensed non-medical therapists ('Heilpraktiker'), is taken into account. Furthermore, it is discussed to what extent unspecific acupuncture effects can be assessed within randomized controlled trials.

Acupuncture Therapy↗

Problems and needs for improving primary care of osteoarthritis patients: the views of patients, general practitioners and practice nurses.

BACKGROUND: Osteoarthritis (OA) is highly prevalent and has substantial impact on quality of life as well as on healthcare costs. The general practitioner (GP) often is the first care provider for patients with this chronic disease. The aim of this study was to identify health care needs of patients with OA and to reveal possible obstacles for improvements in primary care management of OA patients. METHODS: We performed semi-structured interviews with a stratified sample of 20 patients, 20 GPs and 20 practice nurses. RESULTS: Diagnosing OA posed no major problem, but during the course of OA, GPs found it difficult to distinguish between complaints resulting from the affection of the joints and complaints related to a concomitant depression. Patients felt to be well informed about the degenerative nature of the disease and possible side effects of medications, but they lacked information on individual consequences of the disease. Therefore, the most important concerns of many patients were pain and fear of disability which they felt to be addressed by GPs only marginally. Regarding pain treatment, physicians and patients had an ambivalent attitude towards NSAIDs and opiates. Therefore, pain treatment was not performed according to prevailing guidelines. GPs felt frustrated about the impact of counselling regarding life style changes but on the other hand admitted to have no systematic approach to it. Patients stated to be aware of the impact of life style on OA but lacked detailed information e.g. on how to exercise. Several suggestions were made concerning improvement. CONCLUSION: GPs should focus more on disability and pain and on giving information about treatment since these topics are inadequately addressed. Advanced approaches are needed to increase GPs impact on patients' life style. Being aware of the problem of labelling patients as chronically ill, a more proactive, patient-centred care is needed.

Adult↗

Use of complementary and alternative medicine in Germany - a survey of patients with inflammatory bowel disease.

BACKGROUND: Previous studies have suggested an increasing use of complementary and alternative medicine (CAM) in patients with inflammatory bowel disease (IBD). The aim of our study was to evaluate the use of CAM in German patients with IBD. METHODS: A questionnaire was offered to IBD patients participating in patient workshops which were organized by a self-help association, the German Crohn's and Colitis Association. The self-administered questionnaire included demographic and disease-related data as well as items analysing the extent of CAM use and satisfaction with CAM treatment. Seven commonly used CAM methods were predetermined on the questionnaire. RESULTS: 413 questionnaires were completed and included in the analysis (n = 153 male, n = 260 female; n = 246 Crohn's disease, n = 164 ulcerative colitis). 52 % of the patients reported CAM use in the present or past. In detail, homeopathy (55%), probiotics (43%), classical naturopathy (38%), Boswellia serrata extracts (36%) and acupuncture/Traditional Chinese Medicine (TCM) (33%) were the most frequently used CAM methods. Patients using probiotics, acupuncture and Boswellia serrata extracts (incense) reported more positive therapeutic effects than others. Within the statistical analysis no significant predictors for CAM use were found. 77% of the patients felt insufficiently informed about CAM. CONCLUSION: The use of CAM in IBD patients is very common in Germany, although a large proportion of patients felt that information about CAM is not sufficient. However, to provide an evidence-based approach more research in this field is desperately needed. Therefore, physicians should increasingly inform IBD patients about benefits and limitations of CAM treatment.

Adult↗

The added value of C-reactive protein to clinical signs and symptoms in patients with obstructive airway disease: results of a diagnostic study in primary care.

BACKGROUND: To evaluate the diagnostic accuracy of clinical signs and symptoms, C-reactive protein (CRP) and spirometric parameters and determine their interrelation in patients suspected to have an obstructive airway disease (OAD) in primary care. METHODS: In a cross sectional diagnostic study, 60 adult patients coming to the general practitioner (GP) for the first-time with complaints suspicious for obstructive airway disease (OAD) underwent spirometry. Peak expiratory flow (PEF)-variability within two weeks was determined in patients with inconspicuous spirometry. Structured medical histories were documented and CRP was measured. The reference standard was the Tiffeneau ratio (FEV1/VC) in spirometry and the PEF-variability. OAD was diagnosed when FEV1/VC < or = 70% or PEF-variability > 20%. RESULTS: 37 (62%) patients had OAD. The best cut-off value for CRP was found at 2 mg/l with a diagnostic odds ratio (OR) of 4.4 (95% CI 1.4-13.8). Self-reported wheezing was significantly related with OAD (OR 3.4; CI 1.1-10.3), whereas coughing was inversely related (OR 0.2; CI 0.1-0.7). The diagnostic OR of CRP increased when combined with dyspnea (OR 8.5; 95% CI 1.7-42.3) or smoking history (OR 8.4; 95% CI 1.5-48.9). CRP (p = 0.004), FEV1 (p = 0.001) and FIV1 (p = 0.023) were related with the severity of dyspnea. CRP increased with the number of cigarettes, expressed in pack years (p = 0.001). CONCLUSION: The diagnostic accuracy of clinical signs and symptoms was low. The diagnostic accuracy of CRP improved in combination with dyspnea and smoking history. Due to their coherence with the severity of dyspnea and number of cigarettes respectively, CRP and spirometry might allow risk stratification of patients with OAD in primary care. Further studies need to be done to confirm these findings.

Adult↗

How can the practice nurse be more involved in the care of the chronically ill? The perspectives of GPs, patients and practice nurses.

BACKGROUND: A well established "midlevel" of patient care, such as nurse practitioners and/or physician assistants, exits in many countries like the US, Canada, and Australia. In Germany, however there is only one kind of profession assisting the physician in practices, the practice nurse. Little is known about the present involvement of practice nurses in patients' care in Germany and about the attitudes of GPs, assistants and patients concerning an increased involvement. The aim of our study was to get qualitative information on the extent to which practice nurses are currently involved in the treatment of patients and about possibilities of increased involvement as well as on barriers of increased involvement. METHODS: We performed qualitative, semi-structured interviews with 20 GPs, 20 practice nurses and 20 patients in the Heidelberg area. The interviews were digitally recorded, transcribed and content-analysed with ATLAS.ti. RESULTS: Practice nurses are only marginally involved in the treatment of patients. GPs as well as patients were very sceptical about increased involvement in care. Patients were sceptical about nurses' professional background and feared a worsening of the patient doctor relationship. GPs also complained about the nurses' deficient education concerning medical knowledge. They feared a lack of time as well as a missing reimbursement for the efforts of an increased involvement. Practice nurses were mostly willing to be more involved, regarding it as an appreciation of their role. Important barriers were lack of time, overload with administrative work, and a lack of professional knowledge. CONCLUSION: Practice nurses were only little involved in patient care. GPs were more sceptical than patients regarding an increased involvement. One possible area, accepted by all interviewed groups, was patient education as for instance dietary counselling. New treatment approaches as the chronic care model will require a team approach which currently only marginally exists in the German health care system. Better medical education of practice nurses is indispensable, but GPs also have to accept that they cannot fulfil the requirement of future care alone.

Adult↗

Use of a patient information leaflet to influence patient decisions regarding mode of administration of NSAID medications in case of acute low back pain.

Despite dissuasive recommendations, intramuscular (i.m.) injections of NSAIDS are still a widespread treatment of acute pain in General Practice as well as among orthopaedic physicians. Most physicians argue that patients who are used to receive NSAIDS i.m. would insist on this application mode while being convinced of its therapeutic superiority for pain relief. Therefore, the aim of the study was to find out if patients' decision can be influenced towards an oral application by receiving a simple information leaflet. An information leaflet, providing information about the risks of NSAIDS particularly in case of i.m. application was provided to 161 patients with acute low back pain. Decision in favour or against i.m. application of NSAIDS was documented. Severity of disease was assessed by the Roland Morrison pain questionnaire and visual analogue scale (VAS) at the first visit and again 3-5 days later. From May to December 2004, 161 patients, visiting their GP (13 practices) with acute pain and demanding an injection were included in the study. After reading the information leaflet, 139 of the 161 (86.3%) patients decided for an oral application instead of receiving an injection of NSAIDS as in the past. This effect was statistically significant (P</=0.01). Of the initial 161 patients, 156 could be re-evaluated and no significant differences in the VAS and the Roland Morris Score between the patients with oral and i.m. application mode could be found. Only 2 patients of the 139 who decided for oral application indicated that they would opt for an i.m. injection next time. Our study demonstrates that patients' decision can be influenced even in case of severe pain by providing adequate information on a short information leaflet. The results should help to reduce physicians' fear of losing patients when not following their demand for i.m. injections and therefore enable a safer pain treatment.

Acute Disease↗

Comparison of AIMS2-SF, WOMAC, x-ray and a global physician assessment in order to approach quality of life in patients suffering from osteoarthritis.

BACKGROUND: Chronic diseases like osteoarthritis (OA) substantially affect different dimensions of quality of life (QoL). The aim of the study was to reveal possible factors which mainly influence general practitioners (GPs) assessment of patients' QoL. METHODS: 220 primary care patients with OA of the knee or the hip treated by their general practitioner for at least one year were included. All GPs were asked to assess patients' QoL based on the patients' history, actual examination and existing x-rays by means of a visual analog scale (VAS scale), resulting in values ranging from 0 to 10. Patients were asked to complete the McMaster Universities Osteoarthritis Index (WOMAC) and the Arthritis Impact Measurement Scale2 Short Form (AIMS2-SF) questionnaire. RESULTS: Significant correlations were revealed between "GP assessment" and the AIMS2-SF scales "physical" (rho = 0.495) and "symptom" (rho = 0.598) as well as to the "pain" scale of the WOMAC (rho = 0.557). A multivariate ordinal regression analysis revealed only the AIMS2-SF "symptom" scale (coefficient beta = 0.2588; p = 0.0267) and the x-ray grading according to Kellgren and Lawrence as significant influence variables (beta = 0.6395; p = 0.0004). CONCLUSION: The results of the present study suggest that physicians' assessment of patients' QoL is mainly dominated by physical factors, namely pain and severity of x-ray findings. Our results suggest that socioeconomic and psychosocial factors, which are known to have substantial impact on QoL, are underestimated or missed. Moreover, the overestimation of x-ray findings, which are known to be less correlated to QoL, may cause over-treatment while important and promising targets to increase patients' QoL are missed.

Adult↗

Referrals from general practice to consultants in Germany: if the GP is the initiator, patients' experiences are more positive.

BACKGROUND: Referrals of patients from primary care to medical specialist care are an important activity in any health care system. German data show that the number of referrals by GPs have increased since 2004, but detailed insight into the experiences of patients, GPs and consultants regarding referrals is very limited. This study aimed at describing the experiences of consultants, GPs and patients with referrals from primary care to medical specialist care. An additional objective was to examine the impact of purpose regarding the referral and of the referrer on the experiences of GPs and patients. METHODS: Referrals of 26 general practitioners (GPs) from 25 practices in Marbach, a rural region in the south of Germany were studied. All adult patients referred after consulting these GPs in a period of five weeks were eligible for the study. GPs, consultants and patients completed short structured forms to document factual characteristics of each referral and their experiences with the referral. GPs and patients completed forms before and after the referral was made, while the consultants completed forms after the patient had consulted them. RESULTS: Overall, consultants were very positive about appropriateness of the referral (91%). They were somewhat more critical regarding the information provided on the patients' medical history (61%) and prescriptions (48%). In 258 referrals (63%) GPs perceived clear diagnostic benefits, while in 202 referrals (49%) they perceived clear treatment benefits. GPs' experiences were more positive if the GP's purpose was to reduce diagnostic uncertainty (beta = 0.318, p < 0.001) or if the purpose was to exclude serious illness (beta = 0.143, p < 0.010). Other purposes of the referral had no impact on their experiences. Patients' expectations regarding the referrals mostly referred to diagnosis, including increased diagnostic certainty (80%), detailed information about the illness (66%) and exclusion of serious illness (62%). They were overall satisfied with the referral (83%). Their experiences with the referral were more positive if the initiative for the referral came from the physician (beta = 0.365, p < 0.000). CONCLUSION: Patients, GPs and consultants have positive views on the value of referrals from primary care to medical specialists. Patients were most positive if the physician had initiated the referral, which supports the gate keeper role of the GP.

Adult↗

Impact of age, health locus of control and psychological co-morbidity on patients' preferences for shared decision making in general practice.

OBJECTIVE: The aim of this study was to explore if patients' preferences to be involved in decision making correlates with reasons for encounter, psychological or demographic characteristics and with the physicians' estimation of the patients' preferred communication styles. METHODS: Two hundred and thirty-four patients in general practice completed a questionnaire, which included the 'Autonomy Preference Index' (API), 'health locus of control' and 'hospital anxiety and depression'. The physicians documented the diagnoses and estimated the patients' preference for an autonomous, paternalistic or shared decision communication style. RESULTS: The preference for involvement varied across the reason for encounter (range 36.6-50.6), but this effect is explained by the patients' age (p<0.01). The participation preferences and the external and internal health locus of control declined with age whereas depression scores rose (p<0.01). The physicians estimation corresponded with patient API scores (p<0.05). CONCLUSION: It must be questioned if the preference for involvement is really a stable characteristic. The physicians were able to estimate the preferred communication style of their patients presumably on the basis of the patients' age and education. PRACTICE IMPLICATIONS: It appears that not every situation in general practice requires SDM, though different communication styles could be useful if adapted to the individual situation.

Adolescent↗

Acupuncture and moxibustion in the treatment of ulcerative colitis: a randomized controlled study.

OBJECTIVE: Acupuncture has traditionally been used in the treatment of inflammatory bowel disease in China and is increasingly applied in Western countries. The objective of this study was to investigate the efficacy of acupuncture and moxibustion in the treatment of active ulcerative colitis (UC). MATERIAL AND METHODS: In a prospective, randomized, controlled clinical trial 29 patients with mild to moderately active UC (mean age 37.8 +/- 12.0 years) were randomly assigned to receive either traditional acupuncture and moxa (TCM group, n = 15), or sham acupuncture consisting of superficial needling at non-acupuncture points (control group, CG, n = 14). All patients were treated in 10 sessions over a period of 5 weeks and followed-up for 16 weeks. The main outcome measure was the change in the Colitis Activity Index (CAI) after treatment; secondary outcome measures were changes in quality of life, general well-being and serum markers of inflammation. RESULTS: In the TCM group, the CAI decreased from 8.0 (+/- 3.7) to 4.2 (+/- 2.4) points and in the control group from 6.5 (+/- 3.4) to 4.8 (+/- 3.9) points (TCM versus CG: p = 0.048). In both groups these changes were associated with significant improvements in general well-being (TCM group: from 3.0 (+/- 1.8) to 1.8 (+/- 1.0); CG: from 3.2 (+/- 1.9) to 2.2 (+/- 1.7)) and quality of life (TCM group: from 146 (+/- 23) to 182 (+/- 18); CG: from 157 (+/- 20) to 183 (+/- 23)). No significant differences between the TCM and CG were found regarding these secondary outcome measures. CONCLUSIONS: Differences in efficacy between traditional acupuncture and sham acupuncture were small and significant only for CAI as the main outcome measure. Both traditional and sham acupuncture seem to offer an additional therapeutic benefit in patients with mild to moderately active UC.

Acupuncture Points↗

[Stepwise diagnostic workup in general practice as a consequence of the Bayesian reasoning].

The dependency of the predictive values of tests on the prevalence of diseases is an escrow issue of clinical diagnostics. The relation between pre-test probability and post-test probability is well explained by Bayes' theorem, and the relation between prevalence and false diagnoses can be described well by modifying this theorem. In cases of low prevalence the positive predictive value (PPV) is lower and the false-positive predictive value (FPPV) higher. These aspects mainly depend on the test specificity. But basically, in cases of low prevalence there is a higher negative predictive value (NPV) and a lower false negative predictive value (FNVP). Depending on the sensitivity and specificity, NPV and FNPV vary only slightly in low prevalence ranges. These statistical relations are able to explain the typical mode of operation of general practitioners with their unselected patients. In order to increase PPV and decrease FPPV in the diagnostic workup, the GP must use his clinical experience, time and stepwise diagnostic procedures. More diagnostic studies are necessary to improve the diagnostic workup in patient care.

Bayes Theorem↗

[Effectiveness of German disease management programs--problems of clinical evaluation research in the light of a study protocol].

Since 2002 some of the world's largest disease management programs have been launched in Germany--initially for type II diabetes and coronary heart disease--with approximately 5 million eligible insured persons and (in 2005) 2.04 million registered participants. The programs were not piloted prior to their start, and the prescribed statutory evaluation cannot be expected to result in an effectiveness validation. The article describes the development of a study protocol for a randomized controlled trial. It also discusses methodological problems, in particular the definition of primary target criteria, the guarantee of a 'naturalistic' intensity of intervention, and the creation of a control group during nation-wide implementation. Due to lacking support from the stakeholders the proposed randomized trial could not be implemented. Its design, however, allows the required standards for the program evaluation to be specified.

Delivery of Health Care↗

ELSID-Diabetes study-evaluation of a large scale implementation of disease management programmes for patients with type 2 diabetes. Rationale, design and conduct--a study protocol [ISRCTN08471887].

BACKGROUND: Diabetes model projects in different regions of Germany including interventions such as quality circles, patient education and documentation of medical findings have shown improvements of HbA1c levels, blood pressure and occurrence of hypoglycaemia in before-after studies (without control group). In 2002 the German Ministry of Health defined legal regulations for the introduction of nationwide disease management programs (DMP) to improve the quality of care in chronically ill patients. In April 2003 the first DMP for patients with type 2 diabetes was accredited. The evaluation of the DMP is essential and has been made obligatory in Germany by the Fifth Book of Social Code. The aim of the study is to assess the effectiveness of DMP by example of type 2 diabetes in the primary care setting of two German federal states (Rheinland-Pfalz and Sachsen-Anhalt). METHODS/DESIGN: The study is three-armed: a prospective cluster-randomized comparison of two interventions (DMP 1 and DMP 2) against routine care without DMP as control group. In the DMP group 1 the patients are treated according to the current situation within the German-Diabetes-DMP. The DMP group 2 represents diabetic care within ideally implemented DMP providing additional interventions (e.g. quality circles, outreach visits). According to a sample size calculation a sample size of 200 GPs (each GP including 20 patients) will be required for the comparison of DMP 1 and DMP 2 considering possible drop-outs. For the comparison with routine care 4000 patients identified by diabetic tracer medication and age (> 50 years) will be analyzed. DISCUSSION: This study will evaluate the effectiveness of the German Diabetes-DMP compared to a Diabetes-DMP providing additional interventions and routine care in the primary care setting of two different German federal states.

Aged↗

Rationale, design and conduct of a comprehensive evaluation of a primary care based intervention to improve the quality of life of osteoarthritis patients. The PraxArt-project: a cluster randomized controlled trial [ISRCTN87252339].

BACKGROUND: Osteoarthritis (OA) has a high prevalence in primary care. Conservative, guideline orientated approaches aiming at improving pain treatment and increasing physical activity, have been proven to be effective in several contexts outside the primary care setting, as for instance the Arthritis Self management Programs (ASMPs). But it remains unclear if these comprehensive evidence based approaches can improve patients' quality of life if they are provided in a primary care setting. METHODS/DESIGN: PraxArt is a cluster randomised controlled trial with GPs as the unit of randomisation. The aim of the study is to evaluate the impact of a comprehensive evidence based medical education of GPs on individual care and patients' quality of life. 75 GPs were randomised either to intervention group I or II or to a control group. Each GP will include 15 patients suffering from osteoarthritis according to the criteria of ACR. In intervention group I GPs will receive medical education and patient education leaflets including a physical exercise program. In intervention group II the same is provided, but in addition a practice nurse will be trained to monitor via monthly telephone calls adherence to GPs prescriptions and advices and ask about increasing pain and possible side effects of medication. In the control group no intervention will be applied at all. Main outcome measurement for patients' QoL is the GERMAN-AIMS2-SF questionnaire. In addition data about patients' satisfaction (using a modified EUROPEP-tool), medication, health care utilization, comorbidity, physical activity and depression (using PHQ-9) will be retrieved. Measurements (pre data collection) will take place in months I-III, starting in June 2005. Post data collection will be performed after 6 months. DISCUSSION: Despite the high prevalence and increasing incidence, comprehensive and evidence based treatment approaches for OA in a primary care setting are neither established nor evaluated in Germany. If the evaluation of the presented approach reveals a clear benefit it is planned to provide this GP-centred interventions on a much larger scale.

Evidence-Based Medicine↗

Physicians perceived usefulness of high-cost diagnostic imaging studies: results of a referral study in a German medical quality network.

BACKGROUND: Medical and technological progress has led to increased numbers of diagnostic tests, some of them inducing high financial costs. In Germany, high-cost diagnostic imaging is performed by a medical specialist after referral by a general practitioner (GP) or specialist in primary care. The aim of this study was to evaluate the physicians' perceived usefulness of high-cost diagnostic imaging in patients with different clinical conditions. METHODS: Thirty-four GPs, one neurologist and one orthopaedic specialist in ambulatory care from a Medical Quality Network documented 234 referrals concerning 97 MRIs, 96 CTs-scan and 41 intracardiac catheters in a three month period. After having received the test results, they indicated if these were useful for diagnosis and treatment of the patient. RESULTS: The physicians' perceived usefulness of tests was lowest in suspected cerebral disease (40% of test results were seen as useful), cervical spine problems (64%) and unexplained abdominal complaints (67%). The perceived usefulness was highest in musculoskeletal symptoms (94%) and second best in cardiological diseases (82%). CONCLUSION: The perceived usefulness of high-cost diagnostic imaging was lower in unexplained complaints than in specific diseases. Interventions to improve the effectiveness and efficiency of test ordering should focus on clinical decision making in conditions where GPs perceived low usefulness.

Aged↗

Are ICD-10 codes appropriate for performance assessment in asthma and COPD in general practice? Results of a cross sectional observational study.

BACKGROUND: The increasing prevalence and impact of obstructive lung diseases and new insights, reflected in clinical guidelines, have led to concerns about the diagnosis and therapy of asthma and COPD in primary care. In Germany diagnoses written in medical records are used for reimbursement, which may influence physicians' documentation behaviour. For that reason it is unclear to what respect ICD-10 codes reflect the real problems of the patients in general practice. The aim of this study was to assess the appropriateness of the recorded diagnoses and to determine what diagnostic information is used to guide medical treatment. METHODS: All patients with lower airway symptoms (n = 857) who had attended six general practices between January and June 2003 were included into this cross sectional observational study. Patients were selected from the computerised medical record systems, focusing on ICD-10-codes concerning lower airway diseases (J20-J22, J40-J47, J98 and R05). The performed diagnostic procedures and actual medication for each identified patient were extracted manually. Then we examined the associations between recorded diagnoses, diagnostic procedures and prescribed treatment for asthma and COPD in general practice. RESULTS: Spirometry was used in 30% of the patients with a recorded diagnosis of asthma and in 58% of the patients with a recorded diagnosis of COPD. Logistic regression analysis showed an improved use of spirometry when inhaled corticosteroids were prescribed for asthma (OR = 5.2; CI 2.9-9.2) or COPD (OR = 4.7; CI 2.0-10.6). Spirometry was also used more often when sympathomimetics were prescribed (asthma: OR = 2.3; CI 1.2-4.2; COPD: OR = 4.1; CI 1.8-9.4). CONCLUSIONS: This study revealed that spirometry was used more often when corticosteroids or sympathomimetics were prescribed. The findings suggest that treatment was based on diagnostic test results rather than on recorded diagnoses. The documented ICD-10 codes may not always reflect the real status of the patients. Thus medical care for asthma and COPD in general practice may be better than initially found on the basis of recorded diagnoses, although further improvement of practice patterns in asthma and COPD is still necessary.

Adolescent↗

The CONTENT project: a problem-oriented, episode-based electronic patient record in primary care.

In order to obtain a proper knowledge base in primary care, a form of electronic patient record is needed that takes into account the specific characteristics of the doctor-patient encounter, the patient population, the presentation of diseases and the associated prevalences. However, in real life this has not happened for several reasons. For the most part, existing patient records are determined by invoicing requirements rather than by endeavours to meet the intrinsic needs of primary care. CONTENT (CONTinuous morbidity registration Epidemiologic NeTwork) is an ambitious scientific project in Germany to establish a system for adequate record keeping and analysis in primary care. Based on a classification system designed for the special situation of primary care, a scientific network is being established consisting of participating surgeries, general practitioners, computer scientists and statisticians. The project is supported by the German Federal Ministry of Education and Research. The aims are strictly scientific and the underlying hypothesis is that the knowledge-gaining process can be accelerated by combining the experience of many, especially with respect to complex interactions of factors and the analysis of rare events. Aside from maintaining a morbidity registry, within the CONTENT framework various prospective and retrospective studies on particular epidemiological and health economic research topics will be conducted.

Episode of Care↗

[Suspicion of COPD--development of an algorithm for stepwise diagnosis in primary care].

The implementation of the disease management programme (DMP) for asthma and COPD in the German health system in 2005 requires an optimal and evidence-based work-up of patients by general practitioners in routine daily practice. The German and international guidelines for COPD do not provide recommendations for a stepwise diagnostic work-up in primary care. Therefore, an evidence-based algorithm was developed for a stepwise diagnosis of COPD and its different stages in general practice, based on national and foreign guidelines that provide specific advice on diagnostic procedures.

Algorithms↗