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Swart E, Bitzer EM, Gothe H, Harling M, Hoffmann F, Horenkamp-Sonntag D, Maier B, March S, Petzold T, Röhrig R, Rommel A, Schink T, Wagner C, Wobbe S, Schmitt J. [A Consensus German Reporting Standard for Secondary Data Analyses, Version 2 (STROSA-STandardisierte BerichtsROutine für SekundärdatenAnalysen)]. DAS GESUNDHEITSWESEN 2016; 78:e161. [PMID: 27428525 DOI: 10.1055/s-0042-112008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Luque Ramos A, Hoffmann F, Callhoff J, Zink A, Albrecht K. Influenza and pneumococcal vaccination in patients with rheumatoid arthritis in comparison with age- and sex-matched controls: results of a claims data analysis. Rheumatol Int 2016; 36:1255-63. [PMID: 27372078 DOI: 10.1007/s00296-016-3516-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Accepted: 06/21/2016] [Indexed: 12/18/2022]
Abstract
The aim of this study was to assess the vaccination status for influenza and pneumonia and the prevalence of hospitalised pneumonia in rheumatoid arthritis (RA) patients and population controls in Germany. Members of a large statutory health insurance fund in Germany who were continuously insured between 2009 and 2013 and had a diagnosis of RA in 2013 were age and sex matched 1:5 to members without RA. Pneumococcal and influenza vaccinations were evaluated with regard to age, sex and region of residence. Logistic regression models were used to determine predictors for influenza vaccination in RA patients. Prevalences of pneumonia that required hospitalisation were compared to regional vaccination rates. The data of 111,482 RA patients and 557,410 matched controls were available for analysis. Compared to controls, RA patients were vaccinated more frequently against influenza (40.8 vs. 32.2 %) and pneumonia (15.0 vs. 10.0 %). Vaccination rates increased with older age and differed between the federal states (highest in East Germany, lowest in South Germany). The region of residence, comorbidities, rheumatologic care and biologic treatment was associated with a higher probability of an influenza vaccination. Prevalences of pneumonia that required hospitalisation were 2-3 times higher in patients compared to controls and tended to be higher in regions with low vaccination rates. The increased pneumonia prevalence in RA patients confirms their status as a risk group. RA patients are vaccinated more frequently than controls, but vaccination rates are still low. The lower pneumonia prevalence in East Germany indicates that vaccination may help to reduce pneumonia in RA.
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Gilli F, Hoffmann F, Sala A, Marnetto F, Caldano M, Valentino P, Kappos L, Bertolotto A, Lindberg RLP. Qualitative and quantitative analysis of antibody response against IFNβ in patients with multiple sclerosis. Mult Scler 2016; 12:738-46. [PMID: 17263001 DOI: 10.1177/1352458506070968] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
To date, inter-and intra-laboratory consistency of binding assays for measuring anti-interferon (IFN)β antibodies has not been assessed. In this investigation, two independent laboratories tested a library of 80 serum specimens obtained from multiple sclerosis (MS) patients treated with IFNβ. For binding antibodies (BAbs) evaluations, each laboratory used both a capture-ELISA (cELISA) and an enzyme-immuno-assay (EIA), which is commercially available. Samples were also tested for neutralizing antibodies (NAbs). Data demonstrated good intra-laboratory reliability (rpearson≥0.86), and a good overall agreement between the results obtained from the two centers, using both the cELISA (69/80 of observed agreements) and the EIA (67/80). Accordingly, kappa coefficients (K) showed good concurrence (K ≥ 0.651). There was also substantial agreement between cELISA and EIA measurements, as performed in both centers (Orbassano, 66/80, K = 0.631; Basel, 70/80, K = 0.717). However, by comparing NAbs and BAbs titers obtained with both assays, we found that a high degree of BAb-negative samples were positive in NAb-assay. Thus, our study does not support the usefulness of ELISA-based BAb assays as a screening tool for NAbs. Otherwise, BAb-assays can be used as a confirmation test, indicating that the decrease of the biological effects is due to antibodies. In this context, both ELISA-based assays are equally reliable techniques.
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Swart E, Bitzer EM, Gothe H, Harling M, Hoffmann F, Horenkamp-Sonntag D, Maier B, March S, Petzold T, Röhrig R, Rommel A, Schink T, Wagner C, Wobbe S, Schmitt J. A Consensus German Reporting Standard for Secondary Data Analyses, Version 2 (STROSA-STandardisierte BerichtsROutine für SekundärdatenAnalysen). DAS GESUNDHEITSWESEN 2016; 78:e145-e160. [PMID: 27351686 DOI: 10.1055/s-0042-108647] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Although secondary data analyses have been established in recent years in health research, explicit recommendations for standardized, transparent and complete reporting of secondary data analyses do not exist as yet. Therefore, between 2009 and 2014, a first proposal for a specific reporting standard for secondary data analysis was developed (STROSA 1). Parallel to this national process in Germany, an international reporting standard for routine data analysis was initiated in 2013 (RECORD). Nevertheless, because of the specific characteristics of the German health care system as well as specific data protection requirements, the need for a specific German reporting standard for secondary data analyses became evident. Therefore, STROSA was revised and tested by a task force of 15 experts from the working group Collection and Use of Secondary Data (AGENS) of the German Society for Social Medicine and Prevention (DGSMP) and the German Society for Epidemiology (DGEpi) as well as from the working group Validation and Linkage of Secondary Data of the German Network for Health Services Research (DNVF). The consensus STROSA-2 checklist includes 27 criteria, which should be met in the reporting of secondary data analysis from Germany. The criteria have been illustrated and clarified with specific explanations and examples of good practice. The STROSA reporting standard aims at stimulating a wider scientific discussion on the practicability and completeness of the checklist. After further discussions and possibly resulting modifications, STROSA shall be implemented as a reporting standard for secondary data analyses from Germany. This will guarantee standardized and complete information on secondary data analyses enabling assessment of their internal and external validity.
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Callhoff J, Luque Ramos A, Hoffmann F, Zink A, Albrecht K. SAT0590 Pneumococcal Vaccination in Patients with Rheumatoid Arthritis – Results of A Claims Data Analysis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Callhoff J, Albrecht K, Hoffmann F, Luque Ramos A, Zink A. OP0170 Low Income Is Associated with Lower Functional Capacity and Higher Disease Burden in RA Patients Younger than 65: Table 1. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.1273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Baraliakos X, Hoffmann F, Deng X, Wang Y, Huang F, Braun J. FRI0396 Which Is The Most Reliable Imaging Method for Detection of Structural Changes in The Sacroiliac Joints of Patients with Ankylosing Spondylitis? A Cross-Sectional Study Comparing MRI, CT and Conventional Radiographs. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Tillmann W, Hagen L, Hoffmann F, Dildrop M, Wibbeke A, Schöppner V, Resonnek V, Pohl M, Krumm C, Tiller JC, Paulus M, Sternemann C. The detachment behavior of polycarbonate on thin films above the glass transition temperature. POLYM ENG SCI 2016. [DOI: 10.1002/pen.24307] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Hoffmann F, Heimberg E, Schwindt JC, Heinzel O. Erweiterte Maßnahmen der kardiopulmonalen Reanimation bei Kindern und Jugendlichen. Monatsschr Kinderheilkd 2016. [DOI: 10.1007/s00112-015-0039-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Peters B, Hoffmann F, Senk D, Babich A. Experimental and numerical investigation into iron ore reduction in packed beds. Chem Eng Sci 2016. [DOI: 10.1016/j.ces.2015.09.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Hoffmann F, Kraft A, Heigl F, Mauch E, Koehler J, Harms L, Kümpfel T, Köhler W, Klingel R, Fassbender C, Schimrigk S. [Tryptophan immunoadsorption for multiple sclerosis and neuromyelitis optica: therapy option for acute relapses during pregnancy and breastfeeding]. DER NERVENARZT 2015; 86:179-86. [PMID: 25604838 DOI: 10.1007/s00115-014-4239-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND Approximately 25 % of women with multiple sclerosis (MS) suffer clinically relevant relapses during pregnancy. Almost all disease-modifying drugs are contraindicated in pregnancy. High-dose glucocorticoids have some serious risks, especially within the first trimester. Tryptophan immunoadsorption (IA) provides a safe option to treat MS relapses during pregnancy. OBJECTIVES In this case series we describe for the first time the use of tryptophan IA for MS and neuromyelitis optica (NMO) relapses during pregnancy and breastfeeding. PATIENTS AND METHODS In this study a total of 9 patients were retrospectively analyzed of which 7 patients received IA treatment during pregnancy, 2 during breastfeeding and 4-6 tryptophan IA treatments were performed per patient with the single use tryptophan adsorber. Primary outcome was symptom improvement of the relapse. RESULTS In this study four patients with MS and one with NMO relapse during pregnancy were treated with IA without preceding glucocorticoid pulse therapy. The MS patients showed improvement in the expanded disability status scale (EDSS) by at least one point, the NMO patient showed significant improvement in visual acuity and two pregnant patients with steroid-refractory relapses showed clinically relevant improvement after IA. Of the patients two suffered from steroid-refractory relapses during breastfeeding and relapse symptoms improved in both cases after treatment with IA. All treatments were well tolerated and no serious adverse events occurred. CONCLUSION Tryptophan IA was found to be safe, well-tolerated and effective in the treatment of MS and NMO relapses during pregnancy and breastfeeding, sometimes without preceding glucocorticoid pulse therapy. A binding recommendation is limited without prospective clinical studies.
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Hoffmann F, Glaeske G. [Benzodiazepine hypnotics, zolpidem and zopiclone on private prescriptions: use between 1993 and 2012]. DER NERVENARZT 2015; 85:1402-9. [PMID: 24663439 DOI: 10.1007/s00115-014-4016-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Previous analyses showed that benzodiazepine hypnotics as well as zolpidem and zopiclone (Z drugs) were increasingly being dispensed on so-called private prescriptions (Privatverordnungen) in Germany. Any doctor can provide private prescriptions for prescription drugs which are fully funded by the patient. This study aimed to analyze the amount of private prescriptions for hypnotics over the last 20 years. METHODS We compared utilization data from statutory health insurance claims with purchasing statistics from community pharmacies for the years 1993-2012. RESULTS From 1993 to 2012 purchased packages of hypnotics decreased (from 14.9 to 9.9 million). Benzodiazepines were dispensed less and Z drugs more often. In 2012 zopiclone (4.3 million packages of which 42.7 % were private prescriptions), zolpidem (3.6 million, 57.6 %) and lormetazepam (0.8 million, 57.8 %) were most often prescribed. CONCLUSION Trends in prescribing Z drugs are particularly noticeable whereby zolpidem was dispensed more often on private prescriptions than zopiclone. This seems to be further evidence for a higher dependence and abuse potential of zolpidem.
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Abstract
Out-of-hospital pediatric emergencies occur rarely but are feared among medical personnel. The particular characteristics of pediatric cases, especially the unaccustomed anatomy of the child as well as the necessity to adapt the drug doses to the little patient's body weight, produce high cognitive and emotional pressure. In an emergency standardized algorithms can facilitate a structured diagnostic and therapeutic approach. The aim of this article is to provide standardized procedures for the most common pediatric emergencies. In Germany, respiratory problems, seizures and analgesia due to trauma represent the most common emergency responses. This article provides a practical approach concerning the diagnostics and therapy of emergencies involving children.
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Schmiemann G, Noll J, Hoffmann F. [Resistance testing for urinary tract infections. A barrier to guideline implementation]. Urologe A 2015; 55:514-9. [PMID: 26450093 DOI: 10.1007/s00120-015-3974-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Urinary tract infections (UTI) are among the most common reasons for antibiotic prescriptions. Due to increasing resistance rates, antibiotic therapy should be targeted and based on evidence-based recommendations. Test results and recommendations by medical laboratories have a relevant impact on the choice of antibiotics. The extent to which medical laboratories consider antibiotics recommended by evidence-based treatment guidelines in microbiological testing is unclear. OBJECTIVES The aim of the present study is to assess whether guideline recommendations for antibiotic therapy of UTI are taken into account by medical laboratories in northern Germany. MATERIALS AND METHODS A standardized and piloted questionnaire was used in our telephone survey. All microbiological laboratories in northern Germany (Hamburg, Bremen, Lower Saxony, Schleswig-Holstein, and Mecklenburg-Western Pomerania; n = 82) were asked about their standards in diagnosing and microbiological testing of urine cultures. RESULTS A total of 71 of the 82 contacted laboratories perform microbiological tests, whereby 40 of these participated (56 %). Most of the laboratories (43 %) routinely perform microbiological testing when bacterial counts were ≥ 10(4) colony forming units per ml (CFU/ml), 15 % ≥ 10(5) CFU/ml, 17 % ≥ 10(3) CFU/ml, and 8 % ≥ 10(2) CFU/ml. Antibiotic testing includes ciprofloxacin (95 %), cotrimoxazole (87.5 %), trimethoprim (57 %), fosfomycin (85 %), and nitrofurantoin (72 %). CONCLUSIONS The diagnostic threshold recommended in evidence-based guidelines (10(3) CFU/ml) is used only by a few laboratories. Antibiotics recommended as a first line therapy are only partly taken into account in microbiological testing. This variance in different diagnostic thresholds and microbiological testing is a barrier to guideline implementation.
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Heinrich M, Mechea A, Hoffmann F. Improving postoperative pain management in children by providing regular training and an updated pain therapy concept. Eur J Pain 2015; 20:586-93. [PMID: 26311307 DOI: 10.1002/ejp.770] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2015] [Indexed: 12/20/2022]
Abstract
BACKGROUND In recent years, children's hospitals have increasingly implemented postoperative pain management protocols to reduce postoperative pain and improve patient satisfaction. The effectiveness and long-term sustainability of such protocols have rarely been studied. Therefore, we conducted a prospective intervention study to assess the impact of regular training and improvement of clinical processes on the quality of postoperative pain management. METHODS We conducted an initial assessment of the status quo of postoperative pain management (Audit 1) followed by repeated training and improvement of clinical processes (analgesic pocket card, parents' brochure, modification of the patient chart, bimonthly advanced trainings sessions) and a follow-up review after 3 years (Audit 2). We used a data entry form, a patient survey, and an anonymous questionnaire for the nursing staff as measurement tools. RESULTS Our analysis included a total of 93 and 85 patients in the initial and final audits. The return rates of the nursing staff questionnaire were 83% (Audit 1) and 77% (Audit 2). The training and process improvements resulted in significant improvement in the administration of analgesics for pain requiring treatment, the control of pain measurement after the administration of analgesics and the use of non-pharmacological pain therapies. The patients reported faster administration of analgesics for acute pain and improved pain relief following the intervention. CONCLUSIONS Repeated training and improvement of clinical processes can significantly improve the long-term quality of postoperative pain management in children with a tolerable amount of effort on the part of health care professionals and institutions.
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Hoffmann F, Glaeske G, Schmiemann G. Underuse of proton-pump inhibitors in older patients newly starting NSAID treatment. Int J Clin Pract 2015; 69:791-5. [PMID: 25652848 DOI: 10.1111/ijcp.12611] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE Proton pump inhibitors (PPIs) are recommended for the prevention of traditional non-steroidal anti-inflammatory drugs (tNSAIDs)-related ulcer complications in high-risk patients. We aimed to study to which extent older persons initiating tNSAIDs with and without oral corticosteroids receive PPIs and whether sex and age influence treatment. METHODS We analysed claims data of the German health insurance company BARMER GEK, covering about 9 million persons. A cohort of new users of tNSAIDs aged 65 years and older starting treatment from 1 January 2011, through 1 December 2012 was included. Concurrent use of oral corticosteroids was assessed within the 28 days before the index date. Persons were categorised as users of PPIs if they filled a prescription within 28 days before or after the index prescription. RESULTS A total of 83,326 persons met the inclusion criteria (64.1% females; mean age: 74.7 years). Of these new users of tNSAID, 27.8% received PPIs within 28 days before or after the index date (females: 29.4% and males: 25.0%). Of the 2857 persons with concurrent prescriptions of oral corticosteroids, 42.8% also received PPIs (females: 43.4% and males: 41.8%). An increase in prescribing of PPIs with age was found in all new users as well as in those concurrently receiving oral corticosteroids. CONCLUSIONS We found that gastroprotective agents are not prescribed to older new users of tNSAIDs as recommended. When compared with earlier studies, adherence to guidelines still remains low.
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Heinzel O, Hoffmann F. Der Kindernotfall – eine große Herausforderung. Med Klin Intensivmed Notfmed 2015; 110:326-7. [DOI: 10.1007/s00063-015-0038-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Heimberg E, Heinzel O, Hoffmann F. [Typical problems in pediatric emergencies: Possible solutions]. Med Klin Intensivmed Notfmed 2015; 110:354-9. [PMID: 25990809 DOI: 10.1007/s00063-015-0037-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Accepted: 03/31/2015] [Indexed: 11/28/2022]
Abstract
BACKGROUND Pediatric emergencies are rare and challenging for health care providers, parents, and patients. The purpose of this article is to highlight typical difficulties in the treatment of pediatric patients and to discuss potential solutions. MATERIALS AND METHODS This article is based on a selective literature search using PubMed and the experience of the authors in the field of simulation and pediatric emergencies. RESULTS Inexperience with pediatric emergencies, uncertainty in technical skills, in the usage of pediatric equipment and in medication dosage as well as parental presence foster the perception of stress and potentially compromise the success of patient care. Beside implementation of simplified technical skill devices (e.g., intraosseous vascular access system, supraglottic airway devices, and alternative approaches for drug administration), there have been many efforts in recent years to improve patient safety. Tools for estimating body weight and precalculated drug-dosing charts have been implemented as well as standardized courses for guidelines, technical skills, and team-related skills have been established. CONCLUSION To improve patient safety, regular training and implementation of a sustainable safety culture are mandatory.
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Hoffmann F, Jessen K. Hypermetropic and myopic keratokyphosis. DEVELOPMENTS IN OPHTHALMOLOGY 2015; 11:103-7. [PMID: 4018350 DOI: 10.1159/000411096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Hoffmann F. Experimental data in keratophakia. DEVELOPMENTS IN OPHTHALMOLOGY 2015; 5:41-8. [PMID: 7343353 DOI: 10.1159/000400936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
With the aid of a thermistor, the temperature decrease in corneal stroma during keratophakia is measured. 1 min after the beginning of the freezing process the temperature is -15 degrees C, 1 min later it is -40 degrees C, and 4 min after the beginning of the freezing process it is -50 degrees C. This temperature course is programmed into the constant rate freezer, in which any number of tissue samples can be frozen at the same time and with a reproducible freezing curve. The preliminary results indicate that under the use of different cryoprotective agents the radioactivity after 35S incorporation is 50-70% of the non-frozen control cornea.
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Hoffmann F, Bachmann CJ, Boeschen D, Glaeske G, Schulze J, Schmiemann G, Windt R. [Sex-specific differences in drug utilisation in different phases of life]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2015; 57:1074-82. [PMID: 25091373 DOI: 10.1007/s00103-014-2016-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The aim of the present study is to analyse sex-specific differences in drug utilisation during different phases of life using relevant diseases as examples. We used a cohort of 1.7 million subjects who were insured with the Gmünder ErsatzKasse (GEK), a German health insurance fund, for at least one day in all four quarters of 2009. We analysed subjects with outpatient diagnoses of the following diseases: attention-deficit/hyperactivity disorder (ADHD) (0-17 years), hypothyroidism (18-49 years), osteoporosis (50-79 years) and coronary heart disease (80 + years). Analysis was performed on an active-substance level. A number of differences were observed in drug treatment for the selected diseases (for example, substances for ADHD were prescribed more often in males and for hypothyroidism more often in females), as well as in prescribing practices relating to other drugs used in these groups. However, clear explanations for these differences, such as drug approval status, were not always apparent.
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Lang N, Esser W, Evers S, Kellinghaus C, Nguento A, Schlegel U, Gaida B, Gburek-Augustat J, Altenmüller DM, Burghaus L, Hoffmann F, Fiedler B, Bast T, Rehfeld T, Happe S, Seitz RJ, Boor R, Stephani U. Intravenous levetiracetam in clinical practice--Results from an independent registry. Seizure 2015; 29:109-13. [PMID: 26076852 DOI: 10.1016/j.seizure.2015.03.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 03/06/2015] [Accepted: 03/26/2015] [Indexed: 11/25/2022] Open
Abstract
PURPOSE Most common clinical studies with antiepileptic drugs do not reflect medical everyday practice due to their strict in- and exclusion criteria and specifications of treatment regimens. Here we present a large non-interventional registry with the intention to evaluate the spectrum of applications in daily use and the efficacy and tolerability of intravenously given levetiracetam (LEV-iv). METHODS In a prospective approach of 17 neurological and neuropediatric centres in Germany LEV-iv treated patients of all ages were included over a period of 10 months. The observational period was 10 days with daily documentation of LEV-iv administration, type and frequency of seizures, currently used drugs and doses, and adverse events (AEs). In addition, treatment efficacy and tolerability were assessed by patients and physicians at study end as well as practicability of LEV-iv using a five-step scale. RESULTS In 95 patients LEV-iv was administered, 93 were included into the analysis. The median LEV-iv dose was 1500 mg (range 110-6000 mg) per day. Median age was 66 years (range 0.7-90.3 years). The majority of patients (n=70, 75%) suffered from status epilepticus (SE, n=55, 59%) and acute seizure clusters (n=15, 16%). Of those with SE, 41 patients (75%) had SE for the first time. Acute seizure clusters and SE terminated in 83% after LEV-iv administration. A total of 29 adverse events were reported in 17 of the 95 patients from the safety set. Ten of these were at least possibly related to LEV-iv treatment. Slight decrease of blood pressure during the infusion (3 patients each) was captured most frequently. No serious side effect was observed. Physicians rated the efficacy and tolerability of LEV-iv treatment as good or very good in 78% and 82% of the cases, respectively. CONCLUSION In this large observational study of everyday practise the use of LEV-iv exhibited a remarkable good response and tolerability in patients with acute onset seizures (mostly SE). Further randomized controlled studies, like the established status epilepticus trial (ESET) are needed to confirm these findings.
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Hoffmann F, Bachmann CJ. [Differences in sociodemographic characteristics, health, and health service use of children and adolescents according to their health insurance funds]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2015; 57:455-63. [PMID: 24658675 DOI: 10.1007/s00103-013-1916-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Differences in the socioeconomic characteristics and morbidity between members of German private and statutory health insurance funds and also between several statutory health insurances have been shown for adults. We used data from the National Health Survey for Children and Adolescents (KiGGS) to study differences in sociodemographic characteristics, health risks, morbidity, and health service use in child and adolescent insurants of different types of health insurance funds (Ersatzkasse, Allgemeine Ortskrankenkasse, Betriebskrankenkasse , Innungskrankenkasse, other statutory health insurance funds, private health insurance). Differences in the proportion of respondents with a migration background, somatic diseases, psychopathological problems, and contact with a dentist between the different health insurance fund types were found. These results should be considered in studies on health inequalities, which often focus solely on differences between statutory and private health insurance. Our results are also of relevance for health services research using the claims data of health insurance funds.
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Hoffmann F, Meinecke P, Freitag MH, Glaeske G, Schulze J, Schmiemann G. Who gets dipyrone (metamizole) in Germany? Prescribing by age, sex and region. J Clin Pharm Ther 2015; 40:285-8. [PMID: 25776531 DOI: 10.1111/jcpt.12261] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 02/15/2015] [Indexed: 01/31/2023]
Abstract
WHAT IS KNOWN AND OBJECTIVE Metamizole (dipyrone) is an analgesic that has been the focus of considerable controversy regarding its safety. Because of potentially life-threatening blood disorders such as agranulocytosis, it has been withdrawn in many countries but not in Germany, where prescribing even increased over recent years. We aimed to evaluate prescribing of metamizole in Germany with respect to age, sex and regional variations. METHODS Using data of a statutory health insurance, we analysed a cohort of 1·7 million persons who were insured at least 1 day in each quarter of 2009. Outcome of interest was the outpatient prescription prevalence, for example the proportion of persons receiving at least one prescription of metamizole. RESULTS AND DISCUSSION A total of 6·8% received metamizole with a higher prescribing prevalence in females (7·8% vs. 6·0%). The prevalence increased with age up to 26·7% in persons ≥85 years (men: 21·1%; and women: 30·4%). We found large regional variations with higher prevalences in the northern part of Germany. Most of the prescriptions were issued by general practitioners (78·9%). 58·3% were liquid oral formulations with considerable regional variations ranging between 32·3% in Mecklenburg-West Pomerania and 67·3% in North Rhine-Westphalia. Overall, liquid oral forms are much more often prescribed in the western than in the eastern part of Germany. WHAT IS NEW AND CONCLUSION Metamizole - a drug with a relatively narrow indication - is often prescribed in Germany with relevant differences by age, sex and region. Qualitative studies should clarify reasons for this. Further quantitative research should investigate small-area variations, indications and treatment durations.
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Hoffmann F, Abbas S. [Good tasting is half the battle: it could all be so simple, but it's not]. DAS GESUNDHEITSWESEN 2015; 77:72-3. [PMID: 25714192 DOI: 10.1055/s-0034-1398522] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Ohlmeier C, Hoffmann F, Giersiepen K, Rothgang H, Mikolajczyk R, Appelrat HJ, Elsässer A, Garbe E. [Linkage of statutory health insurance data with those of a hospital information system: feasible, but also "useful"?]. DAS GESUNDHEITSWESEN 2015; 77:e8-e14. [PMID: 25622210 DOI: 10.1055/s-0034-1395644] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
AIM Administrative data are increasingly being linked with other data sources for research purposes in the field of epidemiology and health services research abroad. In Germany, the direct linkage of routine data of statutory health insurance (SHI) providers with other data sources is complicated due to strict data protection requirements. The aim of this analysis was to evaluate an indirect linkage of SHI routine data with data of a hospital information system (HIS). METHODS The dataset comprised data from 2004 to 2010 from 2 sickness funds and one HIS. In both data sources, hospitalisations were restricted to admissions into one hospital with at least one diagnosis of heart failure. The 2 data sources were linked, in cases of the agreement of the admission and discharge dates, as well as the agreement of at least a certain percentage of diagnoses in HIS data when compared to SHI data (full coding depth). Based on the direct linkage using the pseudonymised insurance number as gold standard, the proposed linkage approach was evaluated by means of test statistics. Furthermore, the completeness of relevant information of the HIS was described. RESULTS The dataset contained 3 731 hospitalisations from the HIS and 8 172 hospitalisations from the SHI routine data. The sensitivity of the linkage approach was 86.7% in the case of an agreement of at least 30% of the diagnoses and decreased to 41.7% in the case of 100% agreement in the diagnoses. The specificity was almost 100% at all studied cut-offs of agreement. Anthropometric measures and diagnostic information were available only for a small fraction of cases in the data of the HIS, whereas information on the health status and on laboratory information was comparatively complete. CONCLUSION For the linkage of SHI routine data with complementary data sources, indirect linkage methods can be a valuable alternative in comparison to direct linkage, which is time-consuming with regard to planning and application. Since the proposed approach was used in a relatively small sample and a restricted patient population, a replication using nation-wide data without respective restrictions would require an extension of the algorithm. Furthermore, the large administrative effort seems questionable considering the comparatively high amount of missing values in interesting information in the HIS.
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Peikert K, Hoffmann F, Fröba M. Fluorine magic: one new organofluorine linker leads to three new metal–organic frameworks. CrystEngComm 2015. [DOI: 10.1039/c4ce00408f] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
2-Fluoro-1,3,5-benzene-tricarboxylic acid (Fbtc) is used as new linker for metal–organic frameworks and leads to three MOFs UHM-31, -32 and -33.
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Hoffmann F, Glaeske G, Schmiemann G. [Increased prescribing of proton pump inhibitors in ambulatory care over the years 2005 - 2013]. ZEITSCHRIFT FUR GASTROENTEROLOGIE 2014; 53:95-100. [PMID: 25251751 DOI: 10.1055/s-0034-1384973] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND In many countries, proton pump inhibitors (PPIs) are increasingly prescribed over recent years and there is evidence of overprescribing. The aim of this article was to analyse the utilization of PPIs in Germany with respect to age and sex and to study regional variations as well as differences regarding medical specialties. METHODS We used claims data of the BARMER GEK for the years 2005 - 2013. Main outcome was the prescribing prevalence, e. g., the proportion of persons with at least one prescription of PPIs in the corresponding year. In addition, the prescribing medical specialties and regional differences were studied for the year 2013. RESULTS Over the years 2005 to 2013, the prescribing prevalence increased linearly from 8.2 % to 16.2 % (+ 97 %). Females were more often affected than males. Prevalences were also increasing with age (0 - 5 years: 0.2 % to 95 + years: 39.5 % in 2013). Regional differences were comparatively low (interquartile range of the postal code regions: 15.0 - 17.0 %). General practitioners prescribed a large majority of PPIs (90.1 %) with even higher proportions in the older age (98.1 % in persons aged 95 + years). CONCLUSIONS The proportion of persons receiving PPIs has doubled over the past 9 years. Physicians should review their prescribing habits critically on a periodic basis.
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Häfner N, Kritsch D, Hoffmann F, Steinbach D, Diebolder H, Dürst M, Runnebaum IB. Analyse von Genen mit Cisplatin-Resistenz-assoziierter Hypermethylierung in Ovarialkarzinomzelllinien. Geburtshilfe Frauenheilkd 2014. [DOI: 10.1055/s-0034-1388431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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Hoffmann F, Schmiemann G, Windt R. [Perceptions of GPs and community pharmacists on hypnotic prescribing on private prescriptions]. Dtsch Med Wochenschr 2014; 139:1153-8. [PMID: 24845524 DOI: 10.1055/s-0034-1369995] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND AND AIM Zolpidem and zopiclone ("Z-drugs") and benzodiazepine hypnotics are reimbursed by the statutory health insurance for short-term use and in exceptional cases for longer periods. A large proportion is prescribed on private prescriptions. The aim of this study was to assess the perceptions of general practitioners (GPs) and community pharmacists (CPs) on private prescriptions of hypnotics regarding frequency, reasons and measures for reduction. METHODS A questionnaire was mailed to a random sample of 1,350 GPs and 600 CPs in 2012. Questions were partly identical. Due to multiple testing, only p-values ≤ 0.01 were considered statistically significant. RESULTS 458 GPs and 202 CPs returned questionnaires (response 33.9 % and 33.7 %). According to the CPs, the proportions of private prescriptions was higher for Z-drugs than for benzodiazepines (57.5 vs. 47.4 %; p < 0.0001). The proportion of private prescriptions of Z-drugs was higher in the eastern than in the western part of Germany (78.2 vs. 52.3 %; p < 0.0001). For benzodiazepines no such differences were found. As most relevant reasons for private prescriptions, the specifications of the Arzneimittel-Richtlinie and patients' demands were named. Patients with long-term use receive more often private prescriptions. CONCLUSIONS A switch to private prescriptions for patients with long-term use seems conflicting, because such patients with (iatrogenic) dependence are indicated exceptional cases. Practicable changes of the regulatory framework are needed, their benefits and harms should be evaluated.
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Faiss JH, Dähne D, Baum K, Deppe R, Hoffmann F, Köhler W, Kunkel A, Lux A, Matzke M, Penner IK, Sailer M, Zettl UK. Reduced magnetisation transfer ratio in cognitively impaired patients at the very early stage of multiple sclerosis: a prospective, multicenter, cross-sectional study. BMJ Open 2014; 4:e004409. [PMID: 24722197 PMCID: PMC3987712 DOI: 10.1136/bmjopen-2013-004409] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 02/24/2014] [Accepted: 02/27/2014] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVES Cognitive impairment belongs to the core symptoms in multiple sclerosis (MS) and can already be present at the very early stages of the disease. The present study evaluated cognitive functioning after the first clinical presentation suggestive of MS and brain tissue damage in a non-lesion focused MRI approach by using magnetisation transfer imaging (MTI). SETTING AND PARTICIPANTS 47 patients (15 men and 32 women; mean age: 31.17 years) after the first clinical event suggestive of MS were recruited in six different MS centres in Germany and underwent a neuropsychological test battery including tests for attention, memory and executive function as well as depression and fatigue. MTI and conventional MRI measures (T1/T2 lesion load) were assessed. In addition, Magnetisation Transfer Ratio (MTR) maps were calculated. Primary outcome measure was the investigation of cognitive dysfunction in very early MS in correlation to MRI data. RESULTS 55.3% of patients with MS failed at least one test parameter. Specifically, 6% were reduced in working memory, 14.9% in focused attention, 25.5% in figural learning and up to 14.9% in executive function. When the sample was subdivided into cognitively impaired and preserved, MTR scores within the cognitively impaired subgroup were significantly lower compared with the preserved group (t(43)=2.346, p=0.02*). No significant differences between the two groups were found in T2-weighted and T1-weighted lesion volume. CONCLUSIONS After the first MS-related clinical event, 55.3% of patients showed distinct cognitive deficits. Cognitively impaired patients had significantly lower whole brain MTR, but no differences in focal brain lesion volumes supporting the idea that early cognitive deficits may be related to diffuse loss of brain tissue integrity.
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Köhler W, Ehrlich S, Dohmen C, Haubitz M, Hoffmann F, Schmidt S, Klingel R, Kraft A, Neumann-Haefelin T, Topka H, Stich O, Baumgartner A, Fassbender C. Tryptophan immunoadsorption for the treatment of autoimmune encephalitis. Eur J Neurol 2014; 22:203-6. [DOI: 10.1111/ene.12389] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 01/28/2014] [Indexed: 01/30/2023]
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Meyer D, Dong J, Garbrecht M, Hoffmann F, Brinksmeier E, Zoch HW. Mechanisch induziertes Härten*. ACTA ACUST UNITED AC 2013. [DOI: 10.3139/105.110048] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Kurzfassung
Seit dem Jahr 2001 wird an der Stiftung Institut für Werkstofftechnik Bremen (IWT) ein neues endwärmebehandlungsfreies Verfahren zur Herstellung von randschichtgehärteten Stahlbauteilen erforscht. Bei diesem Verfahren wird die Randschichthärtung durch eine mechanisch induzierte martensitische Phasenumwandlung in die Fertigungslinie integriert. Neben einer deutlichen Verkürzung der Produktionsdauer wird die lokale Härtung von Funktionsflächen eines Bauteils ermöglicht. Zudem kommt es durch die Einsparung einer abschlieβenden Wärmebehandlung zu einer signifikanten Reduzierung des Energieverbrauchs und der damit verbundenen CO2-Emission.
Um eine spannungs- bzw. dehnungsinduzierte martensitische Phasenumwandlung aufgrund von rein mechanischen Effekten zu ermöglichen, wird zunächst ein bei Raumtemperatur metastabiles austenitisches Gefüge hergestellt. Dieser Werkstoffzustand soll so stabil sein, dass eine spanende Bearbeitung keine ausgedehnte martensitische Phasenumwand-lung auslöst und das Werkstück somit noch “weich” bearbeitet werden kann. In einem anschlieβenden mechanischen Verfahren, wie z. B. einem Festwalzprozess, soll die auf die Werkstückoberfläche ausgeübte Pressung so weit gesteigert werden, dass die zur martensitischen Umwandlung des Austenits benötigte Spannung in der Bauteilrandzone erreicht wird.
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Rose A, Keßler O, Hoffmann F, Zoch HW, Krug P. Age hardening of forged aluminum components – distortion behavior after gas quenching∗. ACTA ACUST UNITED AC 2013. [DOI: 10.3139/105.100407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
In quenching of age hardenable aluminum alloys, today predominantly aqueous quenching media are used, which can lead to a non-uniform cooling of the components due to the Leidenfrost phenomenon, and thus to distortion. In relation to the conventional quenching procedures in aqueous media, gas quenching has a number of technological, ecological, and economical advantages. The quenching intensity can be adjusted by the variable parameters gas pressure, gas velocity as well as the kind of gas and thus can be adapted to the requirements of the component. By the higher uniformity and the better reproducibility, gas quenching offers a high potential for reducing distortion. It could be demonstrated that characteristic shape and dimension changes of forged components of the spray formed aluminum alloy DISPAL S232 (Al-17Si-4Fe-3Cu-0.5Mg-0.4Zr) are clearly lower after gas quenching than after water quenching. Thereby suitable processes proved to be high-pressure gas quenching with nitrogen at 10 bar as well as air quenching in a gas nozzle field. Cost saving would be possible, because of reduced distortion and therefore less reworking.
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Heinzel O, Daub J, Heimberg E, Gloning H, Hoffmann F. Erratum zu: Ausrüstung für Kindernotfälle – Praktische Empfehlungen für Klinik und Praxis. Monatsschr Kinderheilkd 2013. [DOI: 10.1007/s00112-012-2856-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Hoffmann F. Perceptions of German GPs on benefits and risks of benzodiazepines and Z-drugs. Swiss Med Wkly 2013; 143:w13745. [PMID: 23348819 DOI: 10.4414/smw.2013.13745] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
QUESTIONS UNDER STUDY In many countries newer non-benzodiazepines, zolpidem and zopiclone ("Z-drugs"), are prescribed instead of benzodiazepine hypnotics. This is not supported by current evidence and guidelines. The aim of this study was to compare the perceptions of GPs on the benefits and harms of benzodiazepines and Z-drugs. METHODS A questionnaire was mailed to a random sample of 1,350 German GPs between May and June 2012. GPs were asked to rate their perceptions on a five-point Likert scale for 12 items asked for both benzodiazepines and Z-drugs. Wilcoxon signed rank test for paired observations was used for comparison between groups. Due to multiple testing, only p values ≤0.01 were considered statistically significant. RESULTS A total of 458 questionnaires were returned (response 33.9%). The mean age of participants was 53.3 years (59.4% males). GPs perceived that Z-drugs were significantly more effective in terms of reduced night-time waking, feelings of being rested on waking and improved daytime functioning than benzodiazepines (p <0.0001 for all comparisons), but not in terms of reduced time to get to sleep and increased total sleep time. All studied side effects were believed to be less often for patients receiving Z-drugs (p <0.0001 for all comparisons). A total of 73.4% and 80.4% answered that tolerance or withdrawal effects on stopping occur often or very often/always for benzodiazepines, whereas these values were only 30.6% and 28.7% for Z-drugs. CONCLUSIONS German GPs perceived that Z-drugs were more effective and safer compared to benzodiazepines, which is not supported by current evidence. The results are quite comparable to a British survey conducted seven years before.
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Hoffmann F. Wie schätzen Hausärzte den Nutzen und Schaden von Benzodiazepinen im Vergleich zu Z-Drugs bei Insomnien ein? Dtsch Med Wochenschr 2012. [DOI: 10.1055/s-0032-1323309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Koller D, Hoffmann F, Maier W, Tholen K, Windt R, Glaeske G. Variation in antibiotic prescriptions: is area deprivation an explanation? Analysis of 1.2 million children in Germany. Infection 2012; 41:121-7. [PMID: 22826031 DOI: 10.1007/s15010-012-0302-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Accepted: 07/04/2012] [Indexed: 11/29/2022]
Abstract
PURPOSE Inadequate use of antibiotics can lead to problems such as resistance. Overuse is especially a problem for children, since they are more affected by acute (often virus-caused) infections. While the problem has been addressed internationally over the past several years, regional variations in prescriptions are striking. Therefore, the present study aims to analyze regional variations in antibiotic prescription on a district level in Germany and tries to identify reasons for those variations through adding possible influencing factors to the analysis on individual and district levels. METHODS We analyzed 1.2 million children insured in a German health insurance fund. Antibiotic prescriptions were quantified in 2010 and reasons for prescriptions were analyzed in multilevel regressions based on the district of residence, regional deprivation, and age and sex of the child. RESULTS Thirty-six percent of all children aged 0-17 years received an antibiotic prescription in 2010. In the south, prevalences are generally lower, and also to the very north. The highest prevalences are found in the close-to-border districts in the west, as well as in a band throughout the middle of Germany, in rather low population density areas. Regional variation in the prevalence range from 19 to 53 % between districts. Regional deprivation can explain part of this variation. CONCLUSIONS Including area deprivation measures helped identify an influence of especially regional income and occupational deprivation on antibiotic prescriptions for children. Regional analysis such as this can help identify specific regions and groups of persons to address information programs on the risks of preventable antibiotic consumption and alternative treatment methods.
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Schimrigk S, Adibi I, Eberl A, Selka I, Galle J, Schmidt S, Fritz H, Fassbender C, Klingel R, Füchtemann D, Hoffmann F. Immunadsorption zur Eskalation der Schubtherapie bei Multipler Sklerose. AKTUELLE NEUROLOGIE 2012. [DOI: 10.1055/s-0032-1305029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Schimrigk S, Adibi I, Eberl A, Selka I, Galle J, Schmidt S, Fritz H, Fassbender C, Klingel R, Füchtemann D, Hoffmann F. Immunadsorption zur Eskalation der Schubtherapie bei Multipler Sklerose. AKTUELLE NEUROLOGIE 2012. [DOI: 10.1055/s-0032-1321387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Bublak P, Schwab M, Deppe R, Faiss J, Fischer M, Hoffmann F, Kunkel A, Redel P, Stadler E, Sailer M, Voigt K, Zettl U, Koehler W. Parametric Assessment of Information Processing Capacity at Different States of Multiple Sclerosis (MS) (P04.100). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p04.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Sailer M, Bublak P, Deppe R, Faiss J, Fischer M, Hoffmann F, Kunkel A, Stadler E, Schwab M, Voigt K, Zettl U, Kohler W. The Impact of Cerebral Atrophy on Information Processing Capacity in Patients with Multiple Sclerosis (P03.074). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p03.074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Windt R, Glaeske G, Hoffmann F. [Prescription of TNF-alpha inhibitors and regional differences in 2010]. Z Rheumatol 2012; 70:874-81. [PMID: 21956828 DOI: 10.1007/s00393-011-0873-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Tumor necrosis factor alpha (TNF-α) inhibitors are an important treatment option for rheumatoid arthritis and other chronic inflammatory diseases. However, attention should be paid to severe adverse drug reactions and very high costs of therapy. The objective of this study was to examine the prescription and costs of TNF-α inhibitors as well as regional differences at the district level in Germany. For this purpose, prescription claims data of a German health fund with 9.1 million insured persons from the year 2010 were analyzed. A total of 45,229 packs (0.1% of all prescribed drugs) and 3.15 million defined daily doses (DDD) of TNF-α inhibitors were prescribed. This leads to a total pharmacy revenue of 163.18 million Euro (share 4.1%) and 1 DDD costs on average 51.61 Euro. For 10,078 patients at least one TNF inhibitor was prescribed (prescription prevalence 111 per 100,000) with a higher proportion of women (125 vs. 92 per 100,000). The average revenue per insured person was often higher in districts of eastern Germany (>30 Euro) for reasons unknown. Provided that use is appropriate to indications there are only low saving potentials.
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Hoffmann F, Icks A. Diabetes Epidemic’ in Germany? A Critical Look at Health Insurance Data Sources. Exp Clin Endocrinol Diabetes 2012; 120:410-5. [DOI: 10.1055/s-0032-1306331] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Hoffmann F, Heimberg E. Notfall: Anaphylaxie. Monatsschr Kinderheilkd 2012. [DOI: 10.1007/s00112-011-2607-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Prado R, Hoffmann F, Garcı´a-Galán S, Muñoz Expósito J, Bertram T. On Providing Quality of Service in Grid Computing through Multi-objective Swarm-Based Knowledge Acquisition in Fuzzy Schedulers. Int J Approx Reason 2012. [DOI: 10.1016/j.ijar.2011.10.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hoffmann F, Grobe T. Outpatient costs in patients with atrial fibrillation are underestimated. Europace 2011; 13:1801; author reply 1801. [DOI: 10.1093/europace/eur239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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100
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Wolf A, Leibbrand B, Hoffmann F, Zirke K. Die blinde Medizinische Tastuntersucherin (MTU) in der Rehabilitation nach Brustkrebs – Nachsorgediagnostik und/oder psychoonkologischer Support? Geburtshilfe Frauenheilkd 2011. [DOI: 10.1055/s-0031-1292715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022] Open
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