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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Radiation and environmental biophysics 36 (1997), S. 129-136 
    ISSN: 1432-2099
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract As has been shown by the authors of a paper recently published in this journal, a deviation from a long-term trend in perinatal mortality within the former Federal Republic of Germany occurred in 1987, i.e. 1 year following the Chernobyl disaster. It is the aim of this study to make a comparison between the areas of the state Bavaria, Germany, with different fallout levels as well as between the observed and expected numbers of perinatal deaths relating to these areas. The expected numbers of perinatal deaths, defined as external standard, were derived from the remainder of the former FRG. Testing an a priori formulated hypothesis revealed no differences in the temporal development of perinatal mortality between the areas with different fallout levels and subsequent exposures. Including May 1986 into the analysis revealed a significant increase during the first 3 months after the accident, which is due to an excess in May alone. Since no elevated radiation risks for the last days in utero are known, the additional Chernobyl radiation exposure is not plausible as a causative agent. Further analyses on stillbirths showed an increase in Southern Bavaria during the first 2 years following the accident. Later on, the rates were comparable to the expected values again.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Zeitschrift für Kardiologie 86 (1997), S. 496-504 
    ISSN: 1435-1285
    Keywords: Key words Cardiovascular malformations — birth prevalence — fatality rate — classification ; Schlüsselwörter Kardiovaskuläre Fehlbildungen — Geburtsprävalenz — Letalität — Klassifikation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The study presents data on cardiovascular malformations in Bavarian livebirths, born between 1984 and 1991. Cases have been ascertained retrospectively by reviewing hospital records of all children being referred to a children's hospital up to 2 years of age. The classification scheme was based on abnormalities in developmental mechanisms. Among 984,570 livebirths, 7020 cases with structural congenital heart disease were identified. The birth prevalence was 7.1 per 1000 livebirths. Between 1984 and 1991, total prevalence increased from 5.9/103 to 8.0/103. Prevalence in males was 7.3/103 and in females 6.9/103. 78.1% of all heart defects were isolated, the remaining 21.9% were associated either with chromosomal abnormalities (9.6%), non-chromosomal syndromes (1.0%), or noncardiac malformations of other organ systems (11.3%). Total fatality rate was 12.0%, with two thirds of deaths occurring within a month of birth or the following month of life. Data were compared with those of the Baltimore-Washington Infant Study. This study presents for the first time regional data on birth prevalences of congenital heart defects in Germany. The classification scheme reduces the wide spectrum of phenotype cardiovascular defects to several pathogenetic groups. The defects in each group may be related to similar causal factors.
    Notes: Zusammenfassung In einer retrospektiven Erhebung in den bayerischen und zwei grenznahen Kinderkliniken wurden die Lebendgeborenen der Geburtsjahrgänge 1984–1991 mit Wohnsitz in Bayern erfaßt, die während ihrer ersten beiden Lebensjahre wegen einer kardiovaskulären Fehlbildung behandelt wurden. Die Klassifikation der Herz- und Gefäßanomalien erfolgte nach einem an der Störung embryonaler Entwicklungmechanismen orientierten Schema. Unter den 984 570 Lebendgeborenen in Bayern wurden während des achtjährigen Beobachtungszeitraumes 7020 Kinder mit einem Herzfehler diagnostiziert. Das entspricht einer Geburtsprävalenz von 7,1 pro 1000 Lebendgeborene. Zwischen 1984 und 1991 stieg die Gesamtprävalenz von 5,9/103 auf 8,0/103 an. Knaben waren mit 7,3/103 häufiger betroffen als Mädchen mit 6,9/103 Lebendgeborene des jeweiligen Geschlechts. 78,1% der Defekte traten isoliert auf, die restlichen 21,9% in Kombination mit chromosomalen Störungen (9,6%), nichtchromosomalen Syndromen (1,0%) und nichtsyndromalen Fehlbildungen anderer Organe (11,3%). Die Letalität der Gesamtgruppe bis zum Ende des zweiten Lebensjahres betrug 12,5%, wobei etwa zwei Drittel der Todesfälle in den Geburts- und Folgemonat fielen. Die Daten werden mit denen der Baltimore-Washington Infant Study verglichen. Die Studie präsentiert erstmals flächendeckende Daten zu angeborenen Herzfehlern in Deutschland. Das angewandte Klassifikationsschema faßt die große Zahl anatomischer Defekte des Herz-Gefäß-Systems zu denkbaren pathogenetischen Gruppen zusammen, die möglicherweise durch ähnliche Kausalfaktoren bedingt sind.
    Type of Medium: Electronic Resource
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