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  • 1
    Electronic Resource
    Electronic Resource
    Influence of physical factors on the development of gastroesophageal reflux in man: Analysis by means of an experimental mechanical model (1994)
    Springer
    Dysphagia 9 (1994), S. 26-34 
    Details
    ISSN: 1432-0460
    Keywords: Gastroesophageal reflux ; Gastroesophageal reflux model ; Deglutition ; Deglutition disorders
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In this paper, the isolated influence of physical factors on the development of gastroesophageal reflux in man is analyzed by means of a mechanical model. We evaluate the influence of gravity, intraabdominal presure, intrathoraci pressure, transmission of intraabdominal pressure to the high pressure zone, filling volume of the stomach, and the existence of a high pressure zone on the appearance of gastroensophageal reflux. PH-metry is used to record the episodes of reflux in the model. We wish to demonstrate the importance of gravity and intraabdominal pressure in the production of reflux. Intrathoracic pressure acts as an antireflux mechanism only when associated with a zone of high pressure. The intraabdominal pressure may be transmitted to the high pressure zone as a purely mechanical effect and the greater gastric filling volume may, when associated with the intraabdominal pressure, facilitate reflux without physical changes in the high pressure zone (the equivalent of a reduction in the length of the lower esophageal sphincter in man). We conclude that this model may help to explain the influence of the physical factors mentioned above on the development of gastroesophageal reflux in man.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00262756
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Reuse of Liver Grafts after Early Death of the First Recipient (1996)
    Springer
    World journal of surgery 20 (1996), S. 309-313 
    Details
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Three cases are reported of reuse of a transplanted liver graft after early death of the first recipient due to cerebral hemorrhage. The good condition of the donors; the excellent biochemical evolution of the graft in the first recipients; total ABO compatibility and donor-recipient crossmatch; the absence of positivity to hepatitis B virus (HBV), hepatitis C virus (HCV), and bacteriologic cultures; and early death made reuse possible. The shortage of donors in relation to patients on the waiting list and the poor clinical condition of the second recipients made it necessary to adopt the decision to reuse the graft in an attempt to save their lives. The evolution of the patients and the reused grafts was satisfactory, and there were no complications that could be attributed to the fact that the graft had been transplanted before.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002689900049
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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