Karl-Josef Prommersberger

Neurologische Klinik Bad Neustadt, Neustadt, Bavaria, Germany

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Publications (2)1.8 Total impact

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    ABSTRACT: Five different palmar fixation plate designs were compared in a distal radial osteotomy cadaver model with regard to their biomechanical properties. A metaphyseal osteotomy gap of 1 cm was performed and the osteosynthesis was plated according to the manufacturer's instructions. Axial load was applied to the construct by a pneumatic material testing machine. Five implant groups with eight cadavers each were tested concerning stiffness. None of the constructs developed deformity and movement of the fracture gap larger than 2 mm with a load of 100 N. Increasing the load to 250 N revealed significant differences in stiffness and failure load between the different plates. The mean stiffness under axial load (mean+/-standard deviation) was 356.4+/- 138.6 N/mm for the radius correction plate without lateral tongue, 299.7+/-86.3 N/mm for the radius correction plate with lateral tongue, 132.8+/-41.5 N/mm for the distal volar radius plate, 112.5+/-40.2 N/mm for the 3.5 mm titanium locking compression plate and 91.9+/-29.2 N/mm for the standard stainless steel 3.5 mm T-Plate. The non-angular stable implant (STP plate) had the lowest stiffness. Unexpectedly, there were differences over 100% concerning the stiffness between the at first glance nearly similar angular stable implants. Additionally, a review of the literature concerning biomechanical investigations of the distal radial fracture was performed.
    No preview · Article · Feb 2009 · Biomedizinische Technik
  • Klaus J. Burkhart · Lars P. Mueller · Karl-Josef Prommersberger · Pol M. Rommens
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    ABSTRACT: Compartment syndrome of the upper extremity is rare, but happens frequently. It most often affects the forearm, compartment syndromes of the upper arm and hand are seen much more seldom. Early diagnosis and efficient fasciotomy is of highest importance to achieve good outcome and prevent development of Volkmann's ischemic contracture.
    No preview · Article · Dec 2007 · European Journal of Trauma and Emergency Surgery