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  • 1
    Electronic Resource
    Electronic Resource
    Prevalence of drug-treated diabetes mellitus in Belgium (1992)
    Springer
    European journal of clinical pharmacology 43 (1992), S. 613-619 
    Details
    ISSN: 1432-1041
    Keywords: Diabetes mellitus, Belgium ; epidemiology, prevalence, antidiabetic drugs, pharmacists
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Within the framework of a European concerted action on diabetes mellitus (EURODIAB SubArea C), an epidemiological study was established in Belgium in 1990 in order to estimate the prevalence of drug-treated diabetes mellitus. An assessment was made of the sales of insulin and oral antidiabetic drugs and the average daily dose used. A sample of people with diabetes, clients of 107 pharmacies, provided the data to establish average daily doses. Those pharmacies, spread over the 9 provinces of the country, represent 2% of all private pharmacies in Belgium. Over a 2 month period each pharmacist presented a questionnaire to each client receiving an antidiabetic drug. In 1990, 164 per 10,000 inhabitants were treated with antidiabetic drugs, which means that there were approximately 163,000 drug-treated diabetics in Belgium. At the time of the survey 65% of the diabetics in the sample were 60 years or older. Overall, 38% of drug-treated diabetics took insulin, and 30% of them took only human insulin. Treatment type varied by the province where the pharmacy was located. The provinces of Hainaut and Luxembourg-Namur had a higher percentage of diabetics on oral treatment. This is the first description in Belgium of the prevalence of drug-treated diabetes and of the pattern of prescribing of these drugs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02284959
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  • 2
    Electronic Resource
    Electronic Resource
    Five years of sentinel surveillance of acute respiratory infections (1985–1990): The benefits of an influenza early warning system (1992)
    Springer
    European journal of epidemiology 8 (1992), S. 485-490 
    Details
    ISSN: 1573-7284
    Keywords: Surveillance ; Influenza ; ARI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract For the last five years, the Brussels Institute of Hygiene and Epidemiology has been involved in the surveillance of acute respiratory infections (ARI). The four indicators used (number of encounters of ARI by GP's/100 encounters, virus isolations, absenteeism and mortality) are discussed. A regression procedure is applied to the data collected by a sentinel network of general practitioners (GP's). This procedure permits the baseline to be visualized and an epidemic threshold to be determined in order to recognize early an influenza outbreak. The traditional use of flu-like illnesses as an indicator might be improved by the addition of non-specific ARI which are more precocious, especially in children. The criteria for an accurate definition of an influenza epidemic are discussed. The same mathematical model can be used for the analysis of mortality linked with an outbreak. It shows that the last epidemic in the winter 1989–1990 was responsible for about 4900 deaths directly or indirectly related to influenza.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00146364
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Prevalence of hepatitis A, B and C in the Flemish population (1997)
    Springer
    European journal of epidemiology 13 (1997), S. 275-280 
    Details
    ISSN: 1573-7284
    Keywords: Flemish population ; Hepatitis A (HAV) ; Hepatitis B (HBV) ; Hepatitis C (HCV) ; Prevalence study
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Viral hepatitis is a serious health problem throughout the world. No recent prevalence data on hepatitis A, B and C were available for the population in Flanders, Belgium. For this reason, a sero-epidemiological study was undertaken in 1993–1994 in a sample of the general population. The purpose of this study was to obtain a clear picture of the prevalence of hepatitis A, B and C. Between April 1993 and February 1994, 4,058 blood samples were drawn and collected in 10 hospitals in Flanders. The study group was representative for the Flemish population. For hepatitis A a seroprevalence of 55.1% was found. In the non-Belgian residents the HAV prevalence was significantly higher than in Belgians (62% versus 52%; χ2 = 8.05; p = 0.005). For hepatitis B, 9.9% of the study group showed serological evidence of hepatitis B markers: 6.9% of the participants was positive for anti-HBs/anti-HBc, 0.7% appeared to be HBsAg positive and 3.5% was solely anti-HBs positive. The prevalence of HBV markers in Belgians was 6.9%, significantly lower compared to the 13.4% among non-Belgians (χ2 = 14.05; p = 0.00018). 4055 serum samples were analysed for hepatitis C serology by second generation anti-HCV tests. Anti-HCV was detected in 0.87% of the serum samples. No statistically significant difference was found in HCV prevalence between Belgians and non-Belgians. Results of this study should help policy makers in their decisions on the most appropriate hepatitis A and B vaccination strategy and on the most effective prevention strategy for hepatitis C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007393405966
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  • 4
    Electronic Resource
    Electronic Resource
    Surveillance continue de la morbidité par un réseau de médecins généralistes «vigies» (1984)
    Springer
    Sozial- und Präventivmedizin 29 (1984), S. 276-279 
    Details
    ISSN: 1420-911X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Dieser Artikel beschreibt ein Ueberwachungsystem der Morbidität, welches 1978 in Belgien eingeführt wurde und regelmässig von einer Stichprobe von Allgemeinpraktikern geliefertes Datenmaterial sammelt. Die Vorteile und die Grenzen dieses Systems werden diskutiert und einige Resultate vorgestellt, die die Inzidenz und Prävalenz gewisser Gesundheitsprobleme betreffen, wie zum Beispiel Nieren- und Harnblaseninfektionen und Anträge auf Schwangerschaftsunterbrechung.
    Abstract: Abstract This paper describes a system of morbidity surveillance implemented in Belgium in 1978, which routinely collects data provided by a sample of general practitioners. Advantages and drawbacks of this system are discussed. Some results are presented, regarding the incidence and prevalence of selected health problems, as for example urinary tract infections and abortion requests.
    Notes: Résumé Cet article décrit un système de surveillance de la morbidité introduit en Belgique en 1978, qui rassemble les informations fournies par un échantillon de médecins généralistes. Les avantages et les limites de ce système sont discutés. Quelques résultats sont présentés, concernant l'incidence et la prévalence de certains problèmes de santé, comme par exemple les infections urinaires et les demandes d'interruption volontaire de la grossesse.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02078265
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Sero epidemiological characteristics of hepatitis C encountered in general practice in Belgium (1992)
    Springer
    European journal of clinical microbiology & infectious diseases 11 (1992), S. 62-64 
    Details
    ISSN: 1435-4373
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A study carried out between 1982 and 1984 established by exclusion diagnosis that 35 % of viral hepatitis cases registered in Belgium were due to non A, non B (NANB) viruses. Recently, a new anti-hepatitis C virus (HCV) detection test was used to analyse the sera of patients in whom NANB hepatitis was diagnosed in that study. Using this new serological test for HCV, 29 % of the NANB group was found to be positive for anti-HCV. In the 1982–84 study on viral hepatitis diagnosed by general practitioners, the number of clinically recognized infections was estimated at 14,700 (± 2,170; confidence interval at 95 %) per year. By combining these data and the results of the present study, the following estimates could be calculated: HAV (7,129±1,054/year), HBV (2,426±358/year), HCV (1,470±216/year) and non-identified hepatitis viruses (3,675±543/year).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01971275
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    Paper (German National Licenses)
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