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  • Aktiver Natrium-Transport  (1)
  • Key words: Myotomy—Pectoral—Submuscular—Breast implants  (1)
  • 1
    ISSN: 1432-5241
    Keywords: Key words: Myotomy—Pectoral—Submuscular—Breast implants
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Several authors report that retropectoral or submuscular placing for prostheses reduces the incidence of capsular contracture, preserves the sensitivity of the areola, and gives the breast a more natural look; however, displacement of the prosthesis when contracting the arm, shoulders, and thorax muscles is often observed. In order to prevent this deficiency, partial thickness myotomy was performed in the pectoralis major muscle. Since 1987, our team has carried out 120 subpectoral augmentation mammoplasties by submammary approaches using this procedure. The ages of the patients ranged from 19 to 44 years old. In all cases, physiological saline microtextured prostheses were used. Volumes were between 225 and 275 cc. The results were satisfactory in all cases, with no hematomas, infections or capsular contractures. The main advantage of this technique is that it prevents displacement of the prostheses after movements of the arms or shoulders.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2013
    Keywords: Toad Skin Epithelium ; Active Sodium Transport ; Antidiuretic Hormone ; Transport Epithelia ; Structure and Function ; Epithel der Krötenhaut ; Aktiver Natrium-Transport ; Antidiuretisches Hormon ; Elektrische Potentialdifferenz ; Transport-Epithelia ; Struktur und Funktion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A procedure that allows areas up to 1 cm2 of the epithelium to be separated from the corium of the toad skin is described. For several hours the preparation maintains the transport characteristics of the isolated intact skin, namely electrical potential differences up to 100 mV (outer side negative) and short-circuit currents up to 80 μAmp/cm2, which are equal to the net Na fluxes. The isolated epithelium responds well to antidiuretic hormone. Microelectrode impalement is easier than in the intact skin. The most negative stable electrical potential level within the epithelium is recorded immediately below the first corneal layer, at 5–15 μ from the outer surface. From that site outwards, the highest epithelial resistance is measured across structures that are mainly Na-permeable and less K-permeable and which repsond to ADH with a diminution of their resistance. The structures located from that site inwards (the internal 30–40 μ of the epithelium) are highly permeable to K. The region of high K permeability does not seem to be localized at only one site near the basement membrane, but distributed across several cell layers of the deeper strata.
    Type of Medium: Electronic Resource
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