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  • 25.20.Dc  (1)
  • 25.85.Jg  (1)
  • Epineurale Naht  (1)
  • 1
    ISSN: 1435-2451
    Keywords: Nerve suture ; Late results ; Epineural suture ; Perineural suture ; Nervennaht ; Spätergebnis ; Epineurale Naht ; Perineurale Naht
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die in unserer Klinik in den Jahren 1965–1977 zunächst epineural (n = 20) und später perineural (n = 11) durchgeführten Nervennähte nach glatten Durchtrennungen des N. medianus (n = 16) und N. ulnaris (n = 15) wurden vergleichend nachuntersucht. Sowohl im Hinblick auf die Sensibilitätsrückkehr als auch auf die erreichte motorische Funktion zeigte sich kein signifikanter Unterschied zwischen den beiden Nahtttechniken. So waren brauchbare funktionelle Spätergebnisse (M3–5 nach Seddon, S2–5 nach Geldmacher) nach epineuraler Naht in 16 von 20 und nach perineuraler Naht in 8 von 11 Fällen zu erreichen. Zusätzlich durchgeführte elektrodiagnostische Verfahren konnten die Beurteilung nicht weiter differenzieren.
    Notes: Summary The report summarizes results of a comparative follow-up study in our clinic (in the years 1965–1977) of nerve sutures which were first performed epineurally (n = 20) and later perineurally (n = 11) and deals with nerve sutures after severance of the N. medianus (n = 16) and the N. ulnaris (n = 15). There was no significant difference with respect to the return of the sensitivity as well as with regard to the motoric function when comparing both suture techniques. Useful late functional results (M3–5 according to Seddon, S2–5 according to Geldmacher) were obtained after epineural suture in 16 of 20 cases and after perineural suture in 8 of 11 cases. No further differentiation was possible using electrodiagnostic methods.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1434-601X
    Keywords: 25.20.Dc ; 25.85.Jg ; 27.90.+b
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The total photofission cross section σγ,F for235U and238U has been measured in the energy range 50≤E γ≤800 MeV at the 855 MeV Mainz Microtron MAMI using energy and time tagged photons (Glasgow Tagger) and a 4π arrangement of position sensitive fragment detectors. Besides the absolute photofission cross section σγF , which almost completely exhausts the total photon absorption cross section for these nuclei, fragment mass distributions in this energy domain were determined via time of flight techniques (TOF). The results for the total photofission cross sections σγ,F normalized to the atomic numberA for both isotopes coincide, and agree in theΔ-resonance region, within the systematic errors, with the socalled“Universal Curve” σγ,T /A of the total photon absorption cross section σγ,T . At higher energies the cross sections exhibit a smooth behaviour. In particular, it is shown for the first time that there isno resonance-like shape near the D13 resonance (at ≈710 MeV) as observed for the free proton. This complete suppression of the D13 resonance in complex nuclei is not yet understood on a microscopic level. The fragment mass distributions show a predominantly mass symmetric fission. However, contributions from mass asymmetric fission at some photon energies may give a hint of an increased mass asymmetric fission after the onset of the pion and two pion channels.
    Type of Medium: Electronic Resource
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