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  • 1
    ISSN: 1432-2218
    Keywords: Laparoscopic cholecystectomy ; Transplant recipients ; Registry ; Conversion rate ; Acute cholecystitis ; Immunosuppression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The results of laparoscopic cholecystectomy in a group of transplant recipients were reviewed to determine the safety and efficacy of the procedure in the setting of immunosuppression. Methods: All solid-organ-transplant recipients who underwent laparoscopic cholecystectomy over a 3-year period were reviewed. Indication for operation, conversion to open procedure, length of stay, and complications were characterized. These results were compared to the registry data of all laparoscopic cholecystectomies performed at the same institution. Results: There were 26 transplant patients who underwent laparoscopic cholecystectomy including renal, heart, double lung, and heart-lung recipients. The mean age was 47 years. Symptomatic cholelithiasis was the most common indication in 73% of patients followed by acute cholecystitis in 11%. Seven patients (27%) underwent conversion to an open procedure. Three patients (11.5%) experienced a minor complication in hospital. Median length of stay was 2.5 days. One patient died during a subsequent unrelated operation. These results compared favorably to the registry experience at the same institution where the mean age was 49 years, 24% of cases were performed for acute cholecystitis, there was a 10% complication rate, median length of stay was 2 days, and 3 deaths occurred in hospital. The only statistically significant difference was a lower conversion rate (11% vs 27%) in the registry vs transplant group. Conclusions: This experience confirms that laparoscopic cholecystectomy is as safe in the transplant population as the general population. Despite a slightly higher conversion rate to an open procedure, the advantages of short hospital stay, low morbidity, and early return to preoperative routines remain equivalent.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 2218-2220 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 51 (1995), S. 1241-1243 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-2218
    Keywords: Key words: Laparoscopic cholecystectomy — Transplant recipients — Registry — Conversion rate — Acute cholecystitis — Immunosuppression
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: The results of laparoscopic cholecystectomy in a group of transplant recipients were reviewed to determine the safety and efficacy of the procedure in the setting of immunosuppression. Methods: All solid-organ-transplant recipients who underwent laparoscopic cholecystectomy over a 3-year period were reviewed. Indication for operation, conversion to open procedure, length of stay, and complications were characterized. These results were compared to the registry data of all laparoscopic cholecystectomies performed at the same institution. Results: There were 26 transplant patients who underwent laparoscopic cholecystectomy including renal, heart, double lung, and heart-lung recipients. The mean age was 47 years. Symptomatic cholelithiasis was the most common indication in 73% of patients followed by acute cholecystitis in 11%. Seven patients (27%) underwent conversion to an open procedure. Three patients (11.5%) experienced a minor complication in hospital. Median length of stay was 2.5 days. One patient died during a subsequent unrelated operation. These results compared favorably to the registry experience at the same institution where the mean age was 49 years, 24% of cases were performed for acute cholecystitis, there was a 10% complication rate, median length of stay was 2 days, and 3 deaths occurred in hospital. The only statistically significant difference was a lower conversion rate (11% vs 27%) in the registry vs transplant group. Conclusions: This experience confirms that laparoscopic cholecystectomy is as safe in the transplant population as the general population. Despite a slightly higher conversion rate to an open procedure, the advantages of short hospital stay, low morbidity, and early return to preoperative routines remain equivalent.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 0044-2313
    Keywords: Tantalum-rich chalcogenides ; selenides ; tellurides ; high temperature synthesis ; crystal structure ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Ta5Se1.2Te1.8 - a Tetrahedrally Close-packed Metal-rich Layer StructureTa5Se1.2Te1.8 was prepared by reducing a mixture of TaSe2 and TaTe2 with tantalum at 1540°C. A X-ray single crystal structure analysis was performed. Space group; P1, a = 1008.5(4) pm, b = 1052.1(4) pm, c = 1440,2(5) pm, α = 90.32(2)°, β = 96.42(2)°, γ = 108.28(2), Z = 8, Pearson-Symbol; aP64, 5684 reflexions, 300 variables, RI = 0.066. The structure is built up of hetero-nuclear, distorted icosahedral clusters penetrating mutually into pentagonal anti-prismatic columns. The connection of these units by inter-columnar Ta-Ta- and Ta-Se, Te-contacts affords tetrahedral close-packed layers. The chalcogen atoms are one-sidedly coordinated by three, four or six tantalum atoms.
    Notes: Ta5Se1.2Te1.8 wurde aus einem Gemenge aus TaSe2 und TaTe2 durch Reduktion mit Tantal bei 1540°C dargestellt. Die Struktur wurde aus Röntgenbeugungsintensitäten eines Einkristalls aufgeklärt. Raumgruppe: P1, a = 1008,5(4) pm, b = 1052,1(4) pm, c = 1440,2(5) pm, α = 90,32(2)°, β = 96,42(2)°, γ = 108,28(2), Z = 8, Pearson-Symbol: aP64, 5684 Reflexe, 300 Variablen, RI = 0,066. Die Struktur besteht aus zentrierten, verzerrt ikosaedrischen, heteronuklearen Clustern, die sich zu Strängen durchdringen. Die pentagonal-antiprismatischen Stränge sind untereinander über interkolumnare Ta-Ta- und Ta-Se, Te-Kontakte zu tetraedrisch dicht gepackten Schichten verknüpft. Die Chalkogen-Atome sind stels einseitig drei-, vier-, oder sechsfach von Tantal-Atomen koordiniert.
    Additional Material: 5 Ill.
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