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  • 1
    ISSN: 1432-0509
    Keywords: Infusion tomography ; Ultrasonography, gallbladder ; Gallbladder, ultrasonography ; Acute cholecystitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Sixty-three patients with the clinical suspicion of acute cholecystitis were examined with infusion tomography of the gallbladder. Ultrasonography was performed in 51 of these cases. The technique and diagnostic principles of both methods are discussed. The diagnostic value of the two methods when used in combination is stressed. Thus in a case of gangrenous cholecystitis when opacification of the gallbladder wall may not appear at infusion tomography, ultrasonography may demonstrate signs of gallbladder disease. Infusion tomography, on the other hand, may be of great value if ultrasonography is not informative.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Abdominal imaging 18 (1993), S. 39-41 
    ISSN: 1432-0509
    Keywords: Liver, focal steastosis ; Liver, US studies ; Liver, CT studies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Focal steatosis of the liver may have various appearances on ultrasonography (US) and computed tomography (CT). An unusual case with a macroscopically periportal location is presented and the etiology and differential diagnosis of the condition is discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Abdominal imaging 23 (1998), S. 611-615 
    ISSN: 1432-0509
    Keywords: Key words: Choledochal cysts—bile duct dilatation—cholangiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Bile-duct cysts or congenital bile-duct dilatation are rare but important abnormalities often mimicking calculous biliary tract disease. Bile-duct cysts are most often classified according to Todani. In a retrospective study of percutaneous, peroperative or endoscopic cholangiograms from 25 patients, diagnosed and treated during a 20-year period, images of different types of bile-duct cysts are presented and classified. The disease usually presents with vague symptoms and has a female preponderance. Current opinion on aetiology and complications is discussed. Cholangiography is a necessary prerequisite to surgical therapy.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochemical and Biophysical Research Communications 103 (1981), S. 1254-1257 
    ISSN: 0006-291X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Biochimica et Biophysica Acta (BBA)/Lipids and Lipid Metabolism 833 (1985), S. 351-353 
    ISSN: 0005-2760
    Keywords: (Rat) ; Hepatic lipase ; Liver innervation ; Norepinephrine
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology , Medicine , Physics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 22 (1974), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— In order to evaluate the influence of porta-caval anastomosis upon the energy state of the brain, lightly anaesthetized rats were studied either 1 or 5 weeks after the shunting procedure and the brains (frontal lobe, cerebellum and brainstem) were analysed for carbohydrate substrates and organic phosphates. The ammonia contents of arterial blood, cerebrospinal fluid (CSF) and tissue increased progressively in the shunted groups and at 5 weeks the increases were three- to six-fold. In all brain structures studied there were decreases in the glucose and in the aspartate contents but regional differences existed for glucose-6-phosphate, α-ketoglutaratc and glutamate. In the brainstem the tissue contents of glucose-6-phosphate and α-ketoglutarate fell while glutamate was unchanged. Calculation of the cytoplasmatic redox state from the lactate dehydrogenase (LDH) and the malate dehydrogenase (MDH) equilibria indicated that the NADH/NAD+ ratio increased in the shunted groups. However, since there was no significant fall in the calculated adenylate energy charge, it is concluded that porta-caval anastomosis, and the accompanying hyperammonemia, do not disrupt the balance between production and utilization of energy in the brain.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 22 (1974), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— In order to evaluate whether porta-caval anastomosis, and the accompanying hyperammonemia, affect the balance between production and utilization of ATP in the brain, organic phosphates and carbohydrate substrates were measured in control and shunted rats exposed to hypoxia (arterial Po2 about 30 mm Hg). In the shunted animals the cortical ammonia content was about 2.5 times that measured in the controls, and there was a marked accumulation of glutamine. The intracellular lactate concentration was identical in the control and the shunted groups, and the pattern of change in carbohydrate substrates was similar. There were no significant differences in ATP, ADP or AMP between the groups but the shunted group showed a significantly lower phosphocreatine content. However, the fall in phosphocreatine in the shunted group could be related to a decrease in the sum of phosphocreatine and creatine. It is concluded that the shunting procedure does not disturb the balance between energy production and energy utilization in the brain.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Cancer Genetics and Cytogenetics 63 (1992), S. 22-24 
    ISSN: 0165-4608
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 355 (1981), S. 536-536 
    ISSN: 1435-2451
    Keywords: Cholecystectomy ; Length of stay ; Postoperative complications ; Cholecystektomie ; Verweildauer ; postoperative Komplikationen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Der durchschnittliche Krankenhausaufenthalt nach Cholecystektomie beträgt bei uns heute ungefähr 4 Tage. Während der Periode 1970-1979 verließen 716 (21 %) der cholecystektomierten Patienten das Krankenhaus innerhalb 3 Tagen. 513, 184 und 16 Patienten blieben 3, 2 bzw. 1 Tag im Krankenhaus. 3 Patienten wurden poliklinisch operiert. Die Frequenz kurzzeitgepflegter Patienten nahm während der Periode von 1,5 auf 42% zu. Patienten wurden innerhalb einer Woche reoperiert. Ein zweiter Krankenhausaufenthalt war bei 13 Patienten (2%) erforderlich. Es ist oft möglich, die Pflegezeit nach Cholecystektomie wesentlich zu reduzieren.
    Notes: Summary Today the average hospital stay after cholecystectomy in our clinic is about 4 days. In 1970-1979, 716 (21 %) of the cholecystectomized patients left the hospital within 3 days postoperatively; 513, 184, and 16 patients stayed 3, 2, and 1 days, respectively. Three patients underwent surgery on an outpatient basis. The frequency of short-stay patients increased during this period from 1.5 % to 42 %. Few complications occurred. Four patients were operated on again within 1 week, and a second hospital stay was necessary for 13 patients (2 %). The present study shows that the hospital stay after cholecystectomy can often be considerably shortened.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    World journal of surgery 8 (1984), S. 123-127 
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les effets de la résection microchirurgicale des nerfs du foie sur la perte de sang, le temps de saignement, le nombre des plaquettes et le temps APT après la résection réglée du foie ont été étudiés chez le rat. Les nerfs du foie cheminant au niveau du ligament hépato-duodénal ont été identifiés par une teinture appropriée et réséqués sous contrôle microscopique. Pendant la même anesthésie et une semaine après la résection des nerfs la perte sanguine et le temps de saignement ont été multipliés par 3 ou par 4 en comparaison avec les animaux de contrôle et les animaux soumis à une intervention simulée. L'augmentation de la perte de sang s'est traduite par une chute de l'hémoglobine et de l'hématocrite cependant que le taux des plaquettes et le temps APT n'ont pas varié. La résection des nerfs du foie n'a pas de retentissement sur l'agrégation plaquettaire. Il est probable que l'augmentation de l'hémorragie après résection hépatique chez les rats qui ont subi une résection des nerfs hépatiques, est due à celle-ci. Les résultats de cette étude expérimentale sont susceptibles de concerner la chirurgie du foie chez l'homme.
    Abstract: Resumen Los efectos de la denervación microquirÚrgica del hígado sobre la pérdida de sangre, el tiempo de sangría, el recuento de plaquetas y el tiempo parcial de tromboplastina activada (APTT) fueron estudiados después de la estandarización de la resección hepática en la rata. Los nervios hepáticos del ligamento hepatoduodenal fueron teñidos, identificados y resecados mediante técnica microquirÚrgica. Se demostró un aumento de 3 a 4 veces en la pérdida de sangre y en el tiempo de sangría en el curso de la misma anestesia así como una semana después de la denervación, en comparación con las ratas con operaciones simuladas (también realizadas bajo anestesia superficial con éter, de la misma duration y extensión que el procedimiento de denervación, excepto la resección de los nervios hepáticos) y con las ratas controles no operadas. Como resultado del aumento en la pérdida de sangre, los valores de hemoglobina y de hematocrito descendieron, en tanto que el recuento de plaquetas y el APTT se mantuvieron esencialmente sin modificación. El procedimiento de denervación no exhibió influencia sobre la agregación ploquetaria. Muy probablemente el aumento en el sangrado que se observa después de la resección hepática en las ratas denervadas es un reflejo de la interrupción de la inervación del hígado. Los resultados pueden tener implicaciones de interés en la cirugía hepática humana.
    Notes: Abstract The effects of microsurgical denervation of the liver on blood loss, bleeding time, platelet count, and partial thromboplastin time (APT-time) after standardized liver resection were studied in the rat. The hepatic nerves in the hepatoduodenal ligament were dyed, identified, and resected with the aid of a microsurgical technique. During the same anesthesia and also one week after denervation, a 3- to 4-fold increase in blood loss and bleeding time was demonstrated when compared to sham-operated and control rats. As a result of the increased blood loss, hemoglobin and hematocrit values fell, whereas platelet count and APT-time were essentially unchanged. The denervation procedure had no influence on platelet aggregation. In all probability, the increased bleeding after hepatic resection in the denervated rats is a reflection of an interrupted nerve supply to the liver. The results may have interesting implications for human liver surgery.
    Type of Medium: Electronic Resource
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