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  • 1
    ISSN: 1432-0584
    Keywords: Panmyelopathie ; Zweittransplantation von Knochenmark ; Transplantatabstoßung ; Aplastic anemia ; Bone marrow graft rejection ; Retransplantation of bone marrow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A 26-year-old man with severe aplastic anemia was treated with high-dose Cyclophosphamide followed by the infusion of bone marrow cells from his HLA-identical sister. After initial take of the graft, rejection ensued by day 46 which was followed by a permanent complete aplasia. After 4 months, bone marrow retransplantation with the same donor was attempted after a more intensive conditioning regimen. This led to permanent engraftment with rapid normalization of the blood counts lasting now for over 12 months. The patient has since remained in excellent clinical condition without signs of graft-versus-host disease.
    Notes: Zusammenfassung Es wird über einen 26jährigen Patienten mit schwerer idiopathischer Panmyelopathie berichtet. Er erhielt nach Vorbehandlung mit Zyklophosphamid (200 mg/Kg K.G.) ein erstes Knochenmarkstransplantat seiner HLA-identischen Schwester, welches nach anfänglichem Angehen zwischen Tag 46 und 50 nach Transplantation abgestoßen wurde. Darauf folgte eine 4monatige vollständige Knochenmarkaplasie, welche der Patient unter strikter Isolation ohne Komplikationen überstand. Nach intensiverer Vorbehandlung (Zyklophosphamid 200 mg/kg K.G., Procarbazin 37.5 mg/Kg K.G.; Anti-Lymphozyten-Globulin „Pressimun“ 195 mg/kg K.G.) wurde eine zweite Knochenmarkstransplantation mit Zellen derselben Spenderin vorgenommen. Dies führte zu einer vollständigen hämatologischen Rekonstitution mit Zellen vom Spendertyp, welche jetzt bereits über 12 Monate anhält.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of optimization theory and applications 79 (1993), S. 31-58 
    ISSN: 1573-2878
    Keywords: Epsilon method ; parallel computing ; Walsh functions ; hypercubes ; Legendre polynomials ; Chebyshev polynomials ; Ritz method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract Using Balakrishnan's epsilon problem formulation (Ref. 1) and the Rayleigh-Ritz method with an orthogonal polynomial function basis, optimal control problems are transformed from the standard two-point boundary-value problem to a nonlinear programming problem. The resulting matrix-vector equations describing the optimal solution have standard parallel solution methods for implementation on parallel processor arrays. The method is modified to handle inequality constraints, and some results are presented under which specialized nonlinear functions, such as sines and cosines, can be handled directly. Some computational results performed on an Intel Sugarcube are presented to illustrate that considerable computational savings can be realized by using the proposed solution method.
    Type of Medium: Electronic Resource
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