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  • AIDS Africa  (1)
  • Frequency  (1)
  • Key words Intravascular ultrasound – coronary artery disease – plaque tissue characterization  (1)
  • bile salt concentration  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Accidents in the school environment in Milan, a five year survey (1987)
    Springer
    European journal of epidemiology 3 (1987), S. 196-201 
    Details
    ISSN: 1573-7284
    Keywords: School accidents ; Epidemiology ; Survey ; Frequency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Data regarding 11,541 cases of school accidents (from kindergarten to senior high school) that required hospital attention for treatment were examined. The information was obtained from the records of the a ≪ School Medicine Service of the City of Milan ≫, and covered five school years (from 1980–81 to 1984–85). The surveyed population included over 160,000 subjects for each year. After computer processing, data regarding type of school, year, age of the victim, place of the accident and type of lesions were obtained. The frequency of accidents was highest (about 2%) among kindergarten pupils, while in senior high school the lowest frequency (less than 1 %) was accompanied by the greatest percentage of hospitalizations (about 6%). From our results it appears that most accidents occur in school gyms (around 50%), and that the percentage of sprains and fractures is also highest in this area. School gyms can therefore be considered as a primary target for any prevention activity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00239759
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  • 2
    Electronic Resource
    Electronic Resource
    HIV I and HIV 2 prevalence of seropositivity in a population of West Africa (1990)
    Springer
    European journal of epidemiology 6 (1990), S. 71-75 
    Details
    ISSN: 1573-7284
    Keywords: HIV-1 ; HIV-2 ; AIDS Africa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In the month of August 1986, tests for anti-HIV 1 and anti-HIV 2 antibodies were performed in people coming to the hospital of Tanguietà (North Benin) (401 subjects) and in people working in the same hospital (23 subjects). The study revealed an anti-HIV 1 antibody prevalence of 0.4% (2/424) and an anti-HIV 2 prevalence of 0.2% (1/419). Seropositivity for both antibodies (anti-HIV 1 and anti-HIV 2) was found in one case; the other case was positive only for anti-HIV 1. The changing composition of the population due to frequent migratory displacements lead us to expect some possible alterations of the registered data in the future.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00155553
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Intravascular ultrasound insights into plaque composition (2000)
    Springer
    Zeitschrift für Kardiologie 89 (2000), S. S117 
    Details
    ISSN: 1435-1285
    Keywords: Key words Intravascular ultrasound – coronary artery disease – plaque tissue characterization
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Previous studies correlating histomorphology with 20–30 MHz-derived intravascular ultrasound (IVUS) images showed that IVUS provides to some extent qualitative information on plaque composition. IVUS imaging proved to define calcifications with high sensitivity and specificity but was found to be less accurate in the assessment of soft components. Nevertheless previous studies on atherosclerotic plaque characterization were limited by use of low-frequency transducers that did not define accurately soft components. Our goal was to test the effectiveness of high frequency IVUS transducers in the identification of lipid/necrotic pools in atherosclerotic plaques. Methods: Forty MHz transducers were used for in vitro IVUS assessment of 12 arterial segments (10 coronary arteries and 2 carotid arteries dissected from 5 different autopsy cases). IVUS acquisition was performed at a 0.5 mm/s speed after ligature of the branching points to generate a closed system. Lipid necrotic areas were defined by IVUS as large echolucent intraplaque areas surrounded by tissue with higher echodensity. To obtain histopathologic sections corresponding to IVUS cross sections, vessels were divided into consecutive 3 mm-long segments using the most distal recorded IVUS image as the starting reference. Then, samples were fixed with 10% buffered formalin, processed for histopathologic study, serially cut, and stained with the Movat penthacrome method. Results: One hundred twenty-two sections were analyzed. Lipid pools were observed by histology in 30 cross sections (25%). IVUS revealed the presence of lipid pools in 19 of 122 cross sections with a sensitivity and specificity of 67% and 94%, respectively. Conclusions: High frequency transducers accurately identify lipid/necrotic pools and open new perspectives on future IVUS characterization of atherosclerotic plaques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003920070110
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Abnormalities of gastrointestinal motility in children with nonulcer dyspepsia and in children with gastroesophageal reflux disease (1991)
    Springer
    Digestive diseases and sciences 36 (1991), S. 1066-1073 
    Details
    ISSN: 1573-2568
    Keywords: nonulcer dyspepsia ; migrating motor complexes ; bile salt concentration ; gastric emptying
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In 11 children (mean age 44.2 months) with symptoms suggesting upper intestinal dysfunction (nonulcer dyspepsia), in nine children (mean age 27.3 months) with gastroesophageal reflux (GER) disease, and in seven controls (mean age 20.4 months) we investigated fasting [for 3 hr or until two migrating motor complexes (MMC) were observed] and fed (90 min) antroduodenal motility by means of perfused catheter system; furthermore, we measured both gastric emptying of a radiolabeled milk formula and fasting duodenogastric reflux during manometry by assessing bile salt concentration in gastric aspirates. No structural abnormalities of gastrointestinal tract and organic disorders were detected in the patients. In a high proportion of both groups of patients we found manometric abnormalities of interdigestive and fed motor patterns that were not seen in the controls: absence of antral phase III of MMC; significant decrease of antral and/or duodenal motor activity during fasting and/or fed periods; abnormal propagation or configuration of MMC phase III that was signficantly shorter than in controls; bursts of sustained fasting and/or fed phasic duodenal activity, frequently uncoordinated with adjacent gut segments. When compared to controls, the mean intragastric concentration of bile salts during all MMC phases and the mean 1-hr percent gastric activity of the radiolabeled milk were significantly higher in the two groups of patients. We conclude that in a high proportion of children with nonulcer dyspepsia and of children with GER disease, gastrointestinal manometry may reveal significant irregularities of antral and duodenal motility, which are associated with increased duodenogastric reflux and delayed gastric emptying.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01297448
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    Paper (German National Licenses)
    Fulltext
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