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  • Articles: DFG German National Licenses  (4)
  • 1990-1994  (3)
  • 1980-1984  (1)
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  • Articles: DFG German National Licenses  (4)
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Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Documenta ophthalmologica 80 (1992), S. 371-375 
    ISSN: 1573-2622
    Keywords: Cataractoperation ; carteolol ; intraocular pressure ; liposomes (FAT-MLV)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Liposomes are used as carriers providing a prolonged and improved drug action. They are capable of trapping β-blockers such as Carteolol. In a randomized prospective double-blind clinical trial, Carteolol 2% suspended with frozen and thawed multivesicular large vesicles (FAT-MLV), FAT-MLV, and Carteolol 2% were applied to normal (slightly cataracteous) eyes and immediately after extracapsular cataract extraction or phakoemulsiflcation with implantation of a posterior chamber lens in a standard procedure. Twenty-five patients were included in each group. Intraocular pressure (IOP) was measured for 3 days using applanation tonometry. In the normal eyes, a significant reduction of IOP was found for the patients receiving Carteolol and Carteolol MLV suspension. Moreover, an improved action and a prolongation of drug action was registered in the Carteolol/MLV group as compared to Carteolol treatment alone. After cataract operation, the control groups showed a significant increase in IOP. Carteolol produced a constant level of IOP but the Carteolol/MLV suspension showed a stronger decrease after ECCE and a still stronger decrease after phakoemulsification. Hence, Carteolol is suitable for the reduction of IOP but a Carteolol/MLV suspension is more effective, providing the possibility of a single application of a low-dose β-blocker after cataract extraction with posterior chamber lens implantation.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 356 (1982), S. 7-16 
    ISSN: 1435-2451
    Keywords: Lymphostasis ; Liver ischemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Um den Einfluß einer vollstdndigen Lymphabflußblockade auf einen tempordren, ischdmisch bedingten Leberschaden zu untersuchen, wurden 46 Bastardhunde operiert. Als Vorversuch wurde in Gruppe 1 bei 4 Hunden eine 60-min-Ischämie durch Abklemmung der afferenten Gefäße (A. hepatica and V. portae) bei portaler Dekompression mittels eines portocavalen H-Shunt durchgeührt und in Gruppe 2 zusätzlich und vor Anlegen der Ischämie eine Lymphabflußblockade durch Unterbindung aller bindegewebigen Verbindungen zur Leber bei ebenfalls 4 Hunden. Da in Gruppe 2 nur ein Hund überlebte und somit keine aussagekräftigen Nachuntersuchungen mehr möglich waren, wurde in den folgenden Gruppen nur noch mit 45-min-Ischämie gearbeitet. Wir führten daher in Gruppe 3 bzw. 4 eine 45-min-Ischämie durch mit regelmäßigen biochemischen bzw. histologischen Nachuntersuchungen bis 5 Wochen postoperativ bei insgesamt 20 Hunden. In den Gruppen 5 bzw. 6 erfolgte wiederum eine komplette Lymphabflußblockade und eine 45-min-Ischämie bei insgesamt 18 Tieren. In den Gruppen 3 und 4 starben keine, in den Gruppen 5 und 6 starben dagegen 4 von 18 Tieren. Einem leichten Anstieg der Enzyme (GOT bis 88,7 ± 26,9; GTP bis 94,8 ± 27,4 und alkalische Phosphatase bis 60,9 ± 10,8 mU/ml) in Gruppe 3 mit Normalisierung nach 3–5 Tagen stand ein starker Anstieg in Gruppe 5 (GOT bis 1124,8 ± 560,9; GPT bis 1139,9 ± 475,8 und alkalische Phosphatase bis 896,8 ± 264,8 mU/ml) mit Normalisierung bis zu 3 Wochen und mehr postoperativ gegenüber. Die histologischen Untersuchungen zeigten neben Nekrosen und Zellinfiltrationen vor allem ödematöse Veränderungen und Zeichen einer lymphostatischen Hämangiopathie, wobei auch hier Intensität und Dauer der pathologischen Veränderungen in Gruppe 6 stärker ausgeprägt waren als in Gruppe 4. Es wird aus den Befunden abgeleitet, daß der durch eine 45-min-Ischämie entstandene Leberschaden durch eine zusätzliche Lymphabflußblockade um das Mehrfache vergrößert wird.
    Notes: Summary In order to determine the influence of complete blockage of lymph flow on temporary ischemic liver damage, we operated on 46 mongrel dogs. In group 1, we induced liver ischemia in 4 dogs for 60 min by occlusion of the afferent hepatic vessels (hepatic artery and portal vein), subsequent to portal decompression by a portocaval H-shunt. In group 2, we carried out an additional lymph flow blockage by dissection of all connective tissue from the liver in 4 dogs. As only one dog survived in group 2, further experiments were performed with 45-min ischemia. In groups 3 and 4, we induced 45-min ischemia with subsequent biochemical and histological studies, respectively, for 5 weeks postoperatively in a total of 20 dogs. Groups 5 and 6 were treated like groups 3 and 4, but with additional blockage of lymph flow. In groups 3 and 4, no animals died, whereas 4 of 18 dogs died in groups 5 and 6. We found much higher levels of enzymes (GOT up to 1124.8 ± 560.9; GPT up to 1139.9 ± 475.8 and alkaline phosphatase up to 896.8 ± 264.8 mU/ml) in group 5 than in group 3 (GOT up to 88.7 ± 26.9; GPT up to 94.8 ± 27.4 and alkaline phosphatase up to 60.9 ± 10.8 mU/ml). In group 3, values returned to normal 3–5 days after surgery compared to 3 weeks and longer in group 5. Besides necrosis and cell infiltrations the histological studies showed edematous changes and a lymphostatic hemangiopathy. The histological damage corresponded to the biochemical changes. It was concluded that additional blockage of lymph flow leads to potential ischemic liver damage.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 64 (1992), S. 811-811 
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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