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  • 1
    Electronic Resource
    Electronic Resource
    Prevalence of upper gastrointestinal disease in relation to age: Radiologic and clinical implications (1992)
    Springer
    Abdominal imaging 17 (1992), S. 199-201 
    Details
    ISSN: 1432-0509
    Keywords: Upper gastrointestinal diseases ; Endoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Reports of 1126 endoscopies were reviewed to determine the age-related prevalence of upper gastrointestinal (UGI) diseases as a guide to radiologists performing UGI examinations. Results indicate that (1) there were positive findings in 78% of all endoscopic examinations, and thus most symptomatic patients can be expected to have at least one UGI abnormality; (2) many patients with UGI symptoms have two or more reportable disease processes; (3) the prevalence of serious or lifethreatening disease, such as cancer or large ulcers, rises steadily with age; and (4) after age 60, approximately 60% of symptomatic patients have a serious UGI disease. Based on these findings, radiologists should not hesitate to make the diagnosis of multiple abnormalities and should expect to diagnose at least one abnormality in most symptomatic patients having an UGI study. Also, because of the high prevalence of serious lesions in the elderly, endoscopy should be considered for the initial examination of an elderly patient if poor physical status would render the radiologic examination difficult or unreliable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01888547
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Percutaneous dislodgement of an impacted cystic duct stone (1989)
    Springer
    Abdominal imaging 14 (1989), S. 337-338 
    Details
    ISSN: 1432-0509
    Keywords: Cystic duct ; Bile duct obstruction, extrahepatic ; Cholecystitis ; Gallbladder ; Cholelithiasis ; Cholecystography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An obstructing cystic duct stone was dislodged with an angiographic catheter and guidewire via a percutaneous cholecystostomy tract in a mildly sedated patient. After brief stenting of the cystic duct, the patient remained asymptomatic with internal bile drainage. When endoscopic negotiation of the cystic duct is difficult, an impacted cystic duct stone can sometimes be dislodged with standard angiographic techniques.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01889231
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Weight loss induced by gastric implant in rats (1992)
    Springer
    Digestive diseases and sciences 37 (1992), S. 1051-1056 
    Details
    ISSN: 1573-2568
    Keywords: gastric implant ; capsaicin ; substance P ; satiety
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To study the efficacy and mechanism of action of the intragastric bubble, 1- to 5-ml silicone bubbles were surgically implanted into the stomachs of 10- to 12-week-old female rats. To test the hypothesis that the satiety effects of the implant are mediated by visceral sensory nerves, a subgroup was treated as neonates with the sensory neurotoxin capsaicin, 50 mg/kg subcutaneously. In control animals, the implants caused a transient decrease in body weight, compared to sham-implanted animals, most evident at three days and abolished by 18 days after operation. In contrast, capsaicin-treated animals did not lose weight in response to gastric implantation. Substance P was decreased in the vagus nerves of capsaicin-treated animals, confirming sensory denervation. At autopsy, all gastric implanted rats had enlarged stomachs. We conclude that intact sensory innervation is essential for weight loss in response to the gastric bubble.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01300286
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Endoscopic biopsy is diagnostic in gastric antral vascular ectasia (1989)
    Springer
    Digestive diseases and sciences 34 (1989), S. 885-888 
    Details
    ISSN: 1573-2568
    Keywords: stomach ; antrum ; vascular abnormality ; ectasia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Gastric antral vascular ectasia was endoscopically diagnosed in seven patients. Pathologic characteristics of this entity were defined retrospectively, by studying endoscopic pinch biopsy slides from these seven patients and antrectomy specimens from five patients. A scoring system was developed, and the seven patients were compared prospectively with various control groups. Abnormalities of mucosal vessels (fibrin thrombi and/or ectasia) consistently distinguished patients from control antrectomies, normal biopsies, acute gastritis biopsies and atrophic gastritis biopsies (P=0.02, all comparisons). Spindle cell proliferation into mucosa also was characteristic of gastric antral vascular ectasia, distinguishing this disease from normals, acute gastritis, and atrophic gastritis (P≤0.039, each comparison). The presence of abnormal mucosal vessels (fibrin thrombi and/or ectasia) and spindle cell proliferation was similar in patient antrectomies compared to patient endoscopic biopsies. Therefore, we conclude that endoscopic biopsies can reliably diagnose gastric antral vascular ectasia, a vascular disorder characterized by abnormal mucosal vessels and spindle cell proliferation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01540274
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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