Rupert Bauersachs

Hochschule Wismar, Wismar, Mecklenburg-Vorpommern, Germany

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Publications (4)13.02 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: The aims of this study were to evaluate the quality of oral anticoagulation (OAC) in AF patients in the practices of general practitioners (GPs) in Germany and to investigate possible causal factors which influence OAC quality. We conducted a multi-center, non-interventional, prospective observational cohort study among general practitioners (GPs) in Germany. To assess the quality of OAC on the basis of the prospectively documented international normalized ratio (INR) values, the time in therapeutic range (TTR) was calculated using the Rosendaal linear trend method. The causes of poor OAC quality were identified by a multivariate analysis model (logistical regression; poor OAC quality: TTR <60%). For 525 OAC patients (66.8%; patients with at least 2 prospectively documented INR values) the average TTR (target range of 2.0-3.0) was 67.6%. About 34.7% of the patients had a TTR <60%. None of the variables representing characteristics of the medical practices were capable of explaining the occurrence of poor OAC quality. However, with regard to care provision-based variables, the existence of a brief discontinuation of medication was important. As the existence of adherence barriers increased, the probability of poor anticoagulation quality increased. In conclusion, the provision of OAC in the German health care system is to be regarded as good, but far from ideal. Our causal analysis shows that patient-based factors should be addressed through the provision of improved training and that the rationale behind the interruption of OAC treatment should be critically examined.
    European Journal of Internal Medicine 01/2014; · 2.30 Impact Factor
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    ABSTRACT: AIMS: Based on an analysis of claims-based data of 8.298 million members of two German statutory health insurance funds, the aim of this contribution is to quantify age-/gender-specific prevalence/incidence of atrial fibrillation (AF) in a German setting.METHODS AND RESULTS: Patients were classified as AF prevalent, if they had received at least two outpatient diagnoses of AF (ICD10-Code I48.1-) in two different quarters of the year and/or had received at least one main AF diagnosis during inpatient treatment between 1 January 2007 and 12 December 2008. They were considered to have had new onset AF in 2008 under the following conditions; first, there was no AF diagnosis in 2007; secondly, patients had not received oral anticoagulant medication in 2007; and thirdly, patients had received either one inpatient/two outpatient diagnoses of AF in 2008. In our sample, a total of 176 891 patients had AF. AF prevalence was 2.132%. The average age of these AF patients was 73.1 years, and 55.5% (98 190 patients) were male. The incidence of AF in our sample was 4.358 cases/1000 person-years in men and 3.868 cases/1000 person-years in women.CONCLUSION: A comparison of the distribution of AF prevalence/incidence in our population with that in already published studies showed that our figures were higher, especially in the age groups above 70 years. Our data show that in a large industrial nation such as Germany care provision structures are going to be challenged by a requirement to treat more AF patients in the future.
    Europace 12/2012; · 2.77 Impact Factor
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    ABSTRACT: Atrial fibrillation (AF) is the most common significant cardiac rhythm disorder. Oral anticoagulation (OAC) is recommended by guidelines in the presence of a moderate to high risk of stroke. Based on an analysis of claims-based data, the aim of this contribution is to quantify the stroke-risk dependent OAC utilisation profile of German AF patients as well as the possible causes and the associated clinical outcomes of OAC under-use. Our data set was derived from two large mandatory German medical insurance funds. Risk stratification of patients was based on the CHADS2-score and the CHA2DS2-VASc-score. Two different scenarios were constructed to deal with factors potentially disfavouring OAC use. Causes of OAC under-use and its clinical consequences were analysed using multivariate analysis. Observation year was 2008. A total of 183,448 AF patients met the inclusion criteria. This represents an AF prevalence of 2.21%. The average CHADS2-score was 2.8 (CHA2DS2-VASc-score: 4.3). On between 40.5 and 48.7% of the observed patient-days, there was no antithrombotic protection by OAC, other anticoagulants or aspirin. Older female patients with a high number of comorbidities had a higher risk of OAC under-use. Patients who had already experienced a thromboembolic event had a lower risk of OAC under-use. In the observation year, 3,367 patients experienced a stroke (incidence rate 1.8%). In our multi-level Poisson random effects estimate, OAC use decreases the stroke rate by almost 80% (IRR 0.236). In conclusion, OAC under-use is widespread in the German market. It is associated with severe clinical consequences.
    Thrombosis and Haemostasis 03/2012; 107(6):1053-65. · 5.76 Impact Factor
  • Value in Health 11/2011; 14(7). · 2.19 Impact Factor