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  • 1
    ISSN: 0170-4214
    Keywords: Mathematics and Statistics ; Applied Mathematics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics
    Notes: We present a formulation of Maxwell's equations in a conductive medium, in the time domain. In order to restrict the equations to the conductive half space, the solution in the air is represented by an integral boundary operator on the interface. The problem admits a variational formulation, allowing a finite element solution. A mathematical analysis is described for 2D and 3D models, and numerical results are presented.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1435-2451
    Keywords: Supination trauma of the ankle joint ; Inveterate rupture of the lateral ligament ; Delayed ligamentous reconstruction ; Sprunggelenksdistorsion ; Veraltete fibulare Bandruptur ; Außenbandplastik
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Bei 2944 Supinationstraumen im oberen Sprunggelenk konnte 629mal eine fibulare Bandinstabilität nachgewiesen werden. In 35 Fällen (= 5,5%) handelte es sich um eine veraltete Außenbandruptur, 24mal mit einem erneuten Supinationstrauma. 74% dieser Patienten waren unter der falschen Erstdiagnose „Distorsion” konservativ behandelt worden. In 45% konnte radiologisch eine Arthrose nachgewiesen werden, in 1/3 aller Fälle wurden durch das erneute Trauma primär nicht vorgeschädigte Bandstrukturen verletzt. Die Nachuntersuchungsergebnisse waren nach sekundärer Bandplastik mit 42,9 % beschwerdefreien und 52,4 % zufriedenen Patienten schlechter als nach primärer Bandnaht mit 90,5 % beschwerdefreien und 3,6 % zufriedenen Patienten.
    Notes: Summary In 2944 cases of supination trauma of the ankle joint, fibular ligamentous instability could be identified 629 times. In 35 cases (5.5%) we found an inveterate rupture of the lateral ligament, of which 24 followed a recurring supination trauma. The false primary diagnosis “distortion” had led to 74% of these patients being treated conservatively. In 45 % an arthrosis could be seen radiologically, in 1/3 previously intact ligamentous structures had been damaged by the renewed trauma. The results of the follow-up examination were poor after delayed reconstruction of the ligament, with 42.9 % of patients asymptomatic and 52.4 % satisfied, compared with 90.5 % and 3.6 % after primary repair of the ligament.
    Type of Medium: Electronic Resource
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