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  • 1
    Electronic Resource
    Electronic Resource
    Preclinical Research and First Successful Clinical Myocardial Substitution with a Stimulated Skeletal Muscle (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 494 (1987), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1987.tb29596.x
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  • 2
    Electronic Resource
    Electronic Resource
    Esophageal motility and gastroesophageal reflux in children with chronic respiratory diseases (1988)
    Springer
    Pediatric surgery international 3 (1988), S. 400-406 
    Details
    ISSN: 1437-9813
    Keywords: Children ; Gastroesophageal reflux ; pH-metry ; Esophageal motility
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Children with chronic respiratory diseases may be a high-risk population for gastroesophageal reflux (GER). In order to describe GER in this population, we systematically studied 7-h pH-metry and prolonged esophageal manometry (over 45 min) in 124 children admitted for respiratory disorders without digestive symptoms. The results showed that: (1) GER varied in significance before and after meals; (2) postprandial reflux was correlated with esophageal motor activity, but preprandial reflux was not; (3) moderate refluxers had reduced lower esophageal sphincter (LES) pressure, but severe refluxers had no significative decrease in LES pressure. The use of multivariate analysis permitted us to conclude that long-term esophageal manometry and pH-metry were complementary in defining severe GER.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00173454
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  • 3
    Electronic Resource
    Electronic Resource
    Conjunctival impression cytology in the preterm infant and it's relation to outcome (1997)
    Springer
    European journal of pediatrics 156 (1997), S. 471-475 
    Details
    ISSN: 1432-1076
    Keywords: Key words Conjunctival cytology  ;  Newborn Retinol status
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The preterm infant is deficient in vitamin A (retinol) and this has been implicated in the pathogenesis of chronic lung disease of prematurity. Conjunctival impression cytology (CIC) has been used in adults to assess retinol status. We aimed to assess the feasibility of performing CIC in the preterm infant and to determine the significance of abnormal CIC findings. CIC samples were collected during routine retinopathy screening, and classified as inadequate, normal, borderline normal or abnormal. Ninety preterm infants were studied. Seventy-four (82%) CIC specimens produced a positive yield, whereas 16 (18%) were inadequate. Of the 74 adequate samples, 61 (82%) were normal or borderline normal and 13 (18%) abnormal. Seventy-three CIC specimens were assessed by a second histopathologist with complete agreement on 64 (88%) samples and disagreement on 9 (12%) samples. Ten sets of conjunctival impressions, taken from both eyes, gave identical results in all adequate samples. Birth weight was significantly lower in this abnormal group. Four infants (32%) in the abnormal group required treatment for retinopathy compared to two (3%) in the normal/borderline normal group. (P 〈 0.01) Conclusion Conjunctival impression cytology is simple and reproducible technique which maybe easily applied to the preterm infant. Abnormal CIC is associated with retinopathy of prematurity requiring treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004310050642
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  • 4
    Electronic Resource
    Electronic Resource
    Rheological properties of the dog pyloric sphincter (1983)
    Springer
    Medical & biological engineering & computing 21 (1983), S. 489-493 
    Details
    ISSN: 1741-0444
    Keywords: Compliance ; Digestive sphincter ; Mechanical properties ; Model design ; Pylorus ; Viscoelasticity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Description / Table of Contents: Résumé Une nouvelle sonde pour la mesure des propriétés viscoelastiques d'un sphincter digestif est décrite et essayée dans le sphincter pylorique du chien. La tête de la sonde peut être expansée et rétractée par un système électronique fonctionnant à diverses vitesses. Des cycles contrainte/déformation sont obtenus à partir de sphincters pyloriques de sept chiens pour trois vitesses d'expansion de la tête de la sonde. Les paramètres individuels de viscosité et d'élasticité sont automatiquement obtenus à l'aide d'un miniordinateur.
    Notes: Abstract A new probe for measuring the viscoelastic properties of a gastrointestinal sphincter was devised and tested in the pyloric sphincter of the dog. The head of the probe can be expanded and retracted electronically at various speeds. For three expansion speeds of the probe head, stress/strain cycles were obtained from pyloric sphincters in seven dogs. Individual parameters of viscosity and elasticity were obtained with the use of a microcomputer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02442638
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    Paper (German National Licenses)
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