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  • 2000-2004  (1)
  • 1995-1999
  • 1985-1989  (1)
  • Engineering General  (1)
  • Failure  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of plastic surgery 23 (2000), S. 227-231 
    ISSN: 1435-0130
    Keywords: Key words Trapeziometacarpal-1 ; Osteoarthritis ; Distal trapezium resection ; Failure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Eleven patients (mean age 54 years, range 46–67 years) with osteoarthritis limited to the trapeziometacarpal-1 joint underwent a distal trapezium resection. In nine cases the palmaris longus tendon and in two cases a Swanson condylar implant was used as interposition material. The results were very disappointing. Only one patient was satisfied. Nine patients were reoperated upon (mean interval period 43 months, range 3–110) because of pain. In two cases, the cause was dislocation of the Swanson condylar implant. In the other seven cases, prominent bone on the trapezium, ulnar osteophytes, scaphotrapezial osteoarthritis, sclerosis of the trapezium remnant, and impingement were causal factors. In future, the selection of patients for this operation will be performed with even greater care. Despite these poor results, a definitive conclusion about the indication for this procedure can only be made after evaluation of an improved operative procedure.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 21 (1985), S. 1315-1338 
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: We present the results of a numerical study of the preconditioned conjugate gradient algorithm, the minimal residual algorithm, the biconjugate gradient algorithm and the bi-minimal residual algorithm using both simple test matrices and more realistic test matrices derived from physical problems. The application of the methods to unsymmetric matrices is considered. We emphasize the importance of a good preconditioning, look at various methods including ICGG(n) and incomplete block factorization, and make some practical recommendations. Some of the folk-lore surrounding the semi-iterative methods is dispelled.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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