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  • Journal
    Digital Access
    Provider
    Version
    PubMed Central
    v. 2013-, 2013-
    Hindawi
    v. 2013-, 2013-
  • Article
    De Haas WG, Lazarovici MA, Morrison DM.
    Clin Orthop Relat Res. 1979 Nov-Dec(145):245-51.
    The object of this experimental work was to evaluate the effect of a noninvasive method of electrical stimulation on the healing of freshly-created osteotomies of the rabbit radius. The apparatus consisted of a solid core electromagnet energized by a square wave unidirectional current. The magnetic field was pulsed transversely across the osteotomy site of the radius while the animal was confined to a restraining device 6 hours daily for 5 days per week. In one group of animals the influence of different pulse frequencies, using 0.1 Hz, 1 Hz, and 4 Hz, was evaluated, while the period of stimulation was kept constant at 2 weeks. In another group of animals, exposure was continued for 3 and 4 weeks while the pulse frequency was kept constant at 1 Hz. Histologic and radiologic comparison with control animals revealed that the initiation of the healing process can be accelerated in magnetic fields pulsed at 1 Hz, but that this effect is not maintained, and that the total period of time required for union is not significantly shortened. In view of these findings, this form of treatment is not recommended for clinical use in the treatment of recent fractures of long bones.
    Digital Access Access Options
  • Book
    Edited by Thomas Graham ...
    Contents:
    I. On the relation of the volumes of bodies in the solid state to their equivalents or atomic weights, by F.J. Otto.--II. Studies on the connection existing between the atomic weights, crystalline form and density of bodies, by E. Filhol.--III. On the laws, according to which the mixing of fluids and their penetration into permeable substances occur, with special reference to the processes in the human and animal organisation, by J. Vogel.--IV. Upon isomorphism, by F.J. Otto.--V. Physical investigations on dyeing; on the influence that two colours may exercise upon each other when seen simultaneously, by M.E. Chevreul.--VI. On the latent heat of steam at different pressures, by H.V. Regnault.--VII. On the artificial formation of alkaloids, by E. Kopp.--VIII. On the intimate connection existing between the pseudo-volcanic phenomena of Iceland, by R. W.E. Bunsen.
    Digital Access Full text via HathiTrust, 1848